{"id":11510,"date":"2026-08-03T13:44:53","date_gmt":"2026-08-03T05:44:53","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/the-dfd-top-down-decomposition-guide\/"},"modified":"2026-09-03T22:38:48","modified_gmt":"2026-09-03T14:38:48","slug":"the-dfd-top-down-decomposition-guide","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/the-dfd-top-down-decomposition-guide\/","title":{"rendered":"\ud83d\udcd8 \u6570\u636e\u6d41\u56fe\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u5b8c\u5168\u6307\u5357"},"content":{"rendered":"<h2>1. \u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7b80\u4ecb<\/h2>\n<p>\u4e00\u4e2a<strong><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\">\u6570\u636e\u6d41\u56fe<\/a>\uff08DFD\uff09<\/strong>\u662f\u4e00\u79cd\u4ee5\u56fe\u5f62\u65b9\u5f0f\u8868\u793a\u6570\u636e<em>\u5982\u4f55<\/em>\u5728\u7cfb\u7edf\u4e2d\u7684\u6d41\u52a8\u2014\u2014\u5c55\u793a\u6570\u636e\u7684\u6765\u6e90\u3001\u8f6c\u6362\u65b9\u5f0f\u3001\u5b58\u50a8\u4f4d\u7f6e\u4ee5\u53ca\u6700\u7ec8\u53bb\u5411\u3002\u4e0e\u6d41\u7a0b\u56fe\uff08\u4fa7\u91cd\u4e8e<em>\u63a7\u5236\u6d41<\/em>\u548c\u987a\u5e8f\uff09\u4e0d\u540c\uff0c<a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\">\u6570\u636e\u6d41\u56fe<\/a>\u5f3a\u8c03<strong>\u6570\u636e\u7684\u79fb\u52a8\u4e0e\u8f6c\u6362<\/strong>\u800c\u65e0\u9700\u8003\u8651\u6267\u884c\u65f6\u673a\u6216\u987a\u5e8f\u3002<\/p>\n<p id=\"FBtEmEy\"><img alt=\"Visual Paradigm AI \u804a\u5929\u673a\u5668\u4eba\uff1a\u4f7f\u7528 AI \u7406\u89e3\u7528\u4e8e\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u7684\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\" class=\"alignnone wp-image-19603 size-full\" decoding=\"async\" height=\"572\" loading=\"lazy\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702ce3b5a40.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702ce3b5a40.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702ce3b5a40-300x168.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702ce3b5a40-768x429.png 768w\" width=\"1024\"\/><\/p>\n<h3>\u4e3a\u4f55\u4f7f\u7528<a href=\"https:\/\/www.visual-paradigm.com\/cn\/solution\/drawdfd\/\">\u6570\u636e\u6d41\u56fe<\/a>?<\/h3>\n<ul>\n<li><strong>\u5206\u6790<\/strong> \u5206\u6790\u73b0\u6709\u7cfb\u7edf\u6216 <strong>\u8bbe\u8ba1<\/strong> \u4e00\u4e2a\u65b0\u7cfb\u7edf<\/li>\n<li>\u5c3d\u65e9\u8bc6\u522b\u6570\u636e\u8f93\u5165\u3001\u8f93\u51fa\u548c\u5b58\u50a8<\/li>\n<li>\u5411\u5229\u76ca\u76f8\u5173\u8005\u4f20\u8fbe\u7cfb\u7edf\u8fb9\u754c\u548c\u6570\u636e\u9700\u6c42<\/li>\n<li>\u4ece\u9e1f\u77b0\u89c6\u89d2\u5c06\u590d\u6742\u6027\u5206\u89e3\u81f3\u5b9e\u73b0\u7ec6\u8282<\/li>\n<\/ul>\n<hr\/>\n<h2>2. \u6570\u636e\u6d41\u56fe\u7684\u56db\u4e2a\u6838\u5fc3\u7ec4\u4ef6<\/h2>\n<p>\u4efb\u4f55\u5c42\u7ea7\u7684\u6570\u636e\u6d41\u56fe\u5747\u7531\u4ee5\u4e0b <strong>\u56db\u4e2a<\/strong> \u57fa\u672c\u5143\u7d20\u6784\u6210\uff08Gane-Sarson \u7b26\u53f7\uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7ec4\u4ef6<\/th>\n<th>\u7b26\u53f7<\/th>\n<th>\u89d2\u8272<\/th>\n<th>\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5916\u90e8\u5b9e\u4f53<\/strong><\/td>\n<td>\u77e9\u5f62<\/td>\n<td>\u6570\u636e\u7684\u6765\u6e90\u6216\u76ee\u7684\u5730<em>\u5916\u90e8<\/em>\u7cfb\u7edf\u8fb9\u754c\u4e4b\u5916<\/td>\n<td>\u5ba2\u6237\u3001\u652f\u4ed8\u7f51\u5173<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5904\u7406\u8fc7\u7a0b<\/strong><\/td>\n<td>\u5706\u5f62<\/td>\n<td>\u5c06\u8f93\u5165\u6570\u636e\u8f6c\u6362\u4e3a\u8f93\u51fa\u6570\u636e<\/td>\n<td>\u201c\u4e0b\u8ba2\u5355\u201d\u3001\u201c\u6388\u6743\u652f\u4ed8\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u5b58\u50a8<\/strong><\/td>\n<td>\u8bb0\u5f55 \/ \u5f00\u653e\u77e9\u5f62<\/td>\n<td>\u7528\u4e8e\u540e\u7eed\u4f7f\u7528\u7684\u6570\u636e\u5b58\u50a8\u4f4d\u7f6e<\/td>\n<td>\u8ba2\u5355\u3001\u4ea7\u54c1\u5e93\u5b58<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u6d41<\/strong><\/td>\n<td>\u7bad\u5934\uff08\u5e26\u6807\u7b7e\uff09<\/td>\n<td>\u4e0a\u8ff0\u5185\u5bb9\u4e4b\u95f4\u7684\u6570\u636e\u6d41\u52a8<\/td>\n<td>\u201c\u8ba2\u5355\u8be6\u60c5\u201d\u3001\u201c\u652f\u4ed8\u72b6\u6001\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udca1\u00a0<strong>\u5173\u952e\u89c4\u5219\uff1a<\/strong>\u4e00\u4e2a\u8fc7\u7a0b<em>\u5fc5\u987b<\/em>\u540c\u65f6\u5177\u6709\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41\u3002\u4ec5\u5177\u6709\u8f93\u5165\u6216\u4ec5\u5177\u6709\u8f93\u51fa\u7684\u8fc7\u7a0b\u5c5e\u4e8e\u5efa\u6a21\u9519\u8bef\u2014\u2014\u6bcf\u4e2a\u8f6c\u6362\u90fd\u4f1a\u4ea7\u751f\u7ed3\u679c\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>3. <a href=\"https:\/\/guides.visual-paradigm.com\/understanding-data-flow-diagram-dfd-levels-and-levelling-criteria\/\">\u6570\u636e\u6d41\u56fe\u5c42\u7ea7<\/a>\u2014\u2014\u81ea\u9876\u5411\u4e0b\u91d1\u5b57\u5854<\/h2>\n<p>\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u7684\u7cbe\u9ad3\u5728\u4e8e\u4f60\u4ece<strong>\u62bd\u8c61\u5f00\u59cb<\/strong> \u5e76\u6dfb\u52a0 <strong>\u7ec6\u8282<\/strong> \u8fed\u4ee3\u8fdb\u884c\u3002\u6bcf\u4e2a\u7ea7\u522b\u90fd\u9075\u5faa\u6807\u51c6\u7684\u7f16\u53f7\u7ea6\u5b9a\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7ea7\u522b<\/th>\n<th>\u540d\u79f0<\/th>\n<th>\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>0 \u7ea7<\/strong><\/td>\n<td>\u4e0a\u4e0b\u6587\u56fe<\/td>\n<td>\u5355\u4e2a\u8fc7\u7a0b\uff08\u6574\u4e2a\u7cfb\u7edf\uff09\u3001\u6240\u6709\u5916\u90e8\u5b9e\u4f53\u53ca\u5176\u6570\u636e\u6d41\u2014\u2014\u65e0\u6570\u636e\u5b58\u50a8\uff0c\u65e0\u5185\u90e8\u7ec6\u8282<\/td>\n<\/tr>\n<tr>\n<td><strong>1 \u7ea7<\/strong><\/td>\n<td>\u7cfb\u7edf\u6570\u636e\u6d41\u56fe<\/td>\n<td>\u7cfb\u7edf\u5206\u89e3\u4e3a\u4e3b\u8981\u8fc7\u7a0b\uff081.0\u30012.0\u30013.0\u2026\uff09\u3001\u5185\u90e8\u6570\u636e\u5b58\u50a8\u548c\u6570\u636e\u6d41<\/td>\n<\/tr>\n<tr>\n<td><strong>2 \u7ea7<\/strong><\/td>\n<td>\u5b50\u56fe<\/td>\n<td>\u5355\u4e2a 1 \u7ea7\u8fc7\u7a0b\u5206\u89e3\u4e3a\u66f4\u7ec6\u7c92\u5ea6\u7684\u8fc7\u7a0b\uff082.1\u30012.2\u30012.3\u2026\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7b2c 3 \u5c42<\/strong><\/td>\n<td>\u5b50\u5b50\u56fe<\/td>\n<td>\u5355\u4e2a\u7b2c 2 \u5c42\u8fc7\u7a0b\u8fdb\u4e00\u6b65\u5206\u89e3\uff082.2.1\u30012.2.2\u30012.2.3\u2026\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7f16\u53f7\u7cbe\u786e\u5730\u544a\u8bc9\u4f60\u5728\u5c42\u6b21\u7ed3\u6784\u4e2d\u7684\u4f4d\u7f6e\u2014\u2014<code data-backticks=\"1\">2.2.4<\/code> \u5c5e\u4e8e <code data-backticks=\"1\">2.2<\/code>\uff0c\u8be5\u5c5e\u4e8e <code data-backticks=\"1\">2.0<\/code>\u3002\u8fd9\u79cd\u6811\u5f62\u7ed3\u6784\u4f7f\u5927\u578b\u7cfb\u7edf\u6613\u4e8e\u5bfc\u822a\u3002<\/p>\n<hr\/>\n<h2>4. \u516c\u53f8\u98ce\u683c\uff08\u989c\u8272\u56fe\u4f8b\uff09<\/h2>\n<p>\u672c\u6307\u5357\u4e2d\u7684\u6bcf\u5f20\u56fe\u8868\u5747\u9075\u5faa\u7edf\u4e00\u7684\u89c6\u89c9\u89c4\u8303\u3002\u5728 Graphviz \u4e2d\uff0c\u65b9\u6cd5\u662f\uff1a<strong>\u5148\u8bbe\u7f6e\u6837\u5f0f\uff0c\u518d\u58f0\u660e\u5143\u7d20\uff0c\u6700\u540e\u8fdb\u884c\u8fde\u63a5\u3002<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5143\u7d20<\/th>\n<th>\u5f62\u72b6<\/th>\n<th>\u586b\u5145<\/th>\n<th>\u8fb9\u6846<\/th>\n<th>\u76ee\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5916\u90e8\u5b9e\u4f53<\/td>\n<td><code data-backticks=\"1\">\u6846<\/code><\/td>\n<td><code data-backticks=\"1\">#E1F5FE<\/code><\/td>\n<td><code data-backticks=\"1\">#0288D1<\/code><\/td>\n<td>\u8c01\u5728\u5916\u90e8<\/td>\n<\/tr>\n<tr>\n<td>\u8fc7\u7a0b<\/td>\n<td><code data-backticks=\"1\">\u5706\u5f62<\/code><\/td>\n<td><code data-backticks=\"1\">#E8F5E9<\/code><\/td>\n<td><code data-backticks=\"1\">#388E3C<\/code><\/td>\n<td>\u4ec0\u4e48\u8f6c\u6362\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5b58\u50a8<\/td>\n<td><code data-backticks=\"1\">\u8bb0\u5f55<\/code><\/td>\n<td><code data-backticks=\"1\">#FFF9C4<\/code><\/td>\n<td><code data-backticks=\"1\">#FBC02D<\/code><\/td>\n<td>\u6570\u636e\u6240\u5728\u4e4b\u5904<\/td>\n<\/tr>\n<tr>\n<td>\u7236\u8fdb\u7a0b\uff08\u5f15\u7528\uff09<\/td>\n<td><code data-backticks=\"1\">\u5706\u5f62<\/code><\/td>\n<td><code data-backticks=\"1\">#FCE4EC<\/code><\/td>\n<td><code data-backticks=\"1\">#C2185B<\/code><\/td>\n<td>\u5f53\u524d\u5c42\u7ea7\u4e4b\u5916\u7684\u4e0a\u4e0b\u6587<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7edf\u8fb9\u754c<\/td>\n<td><code data-backticks=\"1\">\u865a\u7ebf\uff0c\u5706\u89d2<\/code>\u96c6\u7fa4<\/td>\n<td><code data-backticks=\"1\">#FAFAFA<\/code>\u00a0\/\u00a0<code data-backticks=\"1\">#757575<\/code><\/td>\n<td>\u7070\u8272<\/td>\n<td>\u5f53\u524d\u56fe\u8868\u7684\u8fb9\u754c<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u6d41<\/td>\n<td><code data-backticks=\"1\">\u7bad\u5934<\/code><\/td>\n<td>\u2014<\/td>\n<td><code data-backticks=\"1\">#555555<\/code><\/td>\n<td>\u6570\u636e\u79fb\u52a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u26a0\ufe0f \u91cd\u8981\u63d0\u793a\u2014\u2014\u6837\u5f0f\u6a21\u677f\u4e0d\u662f\u56fe\u8868<\/h3>\n<p>\u4e00\u4e2a\u4ec5\u5b9a\u4e49\u8282\u70b9\/\u8fb9\u6837\u5f0f\u4f46<strong>\u4ece\u4e0d\u58f0\u660e\u4efb\u4f55\u8282\u70b9\u6216\u8fb9\u7684 Graphviz \u6587\u4ef6<\/strong>\u5c06\u6e32\u67d3\u4e3a<strong>\u7a7a\u767d\u753b\u5e03<\/strong>\u3002\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u9700\u8981\u4e09\u4e2a\u8981\u7d20\uff1a<\/p>\n<ol>\n<li><strong>\u4e3a\u56fe\u8868\u8bbe\u7f6e\u6837\u5f0f<\/strong>\u00a0\u2014\u00a0<code data-backticks=\"1\">graph [...]<\/code>,\u00a0<code data-backticks=\"1\">\u8282\u70b9 [...]<\/code>,\u00a0<code data-backticks=\"1\">\u8fb9 [...]<\/code>\u5c5e\u6027\u3002<\/li>\n<li><strong>\u58f0\u660e\u5143\u7d20<\/strong>\u2014\u2014\u5916\u90e8\u5b9e\u4f53\uff08\u65b9\u6846\uff09\u3001\u5904\u7406\u8fc7\u7a0b\uff08\u5706\u5708\uff09\u3001\u6570\u636e\u5b58\u50a8\uff08\u8bb0\u5f55\uff09\uff0c\u5305\u88f9\u5728\u865a\u7ebf<code data-backticks=\"1\">\u7c07<\/code>\u8fb9\u754c\u3002<\/li>\n<li><strong>\u7ed8\u5236\u6d41\u7a0b<\/strong>\u2014\u2014\u663e\u5f0f<code data-backticks=\"1\">A -&gt; B [label=\"...\"]<\/code>\u8fb9\uff0c\u4f7f\u7528<code data-backticks=\"1\">dir=both<\/code>\u7528\u4e8e\u53cc\u5411\u4ea4\u6362\u3002<\/li>\n<\/ol>\n<p>\u6bd4\u8f83\u8fd9\u4e24\u9879 \u2014 <strong>\u4e24\u8005<\/strong>  \u9a8c\u8bc1\u901a\u8fc7\uff0c\u4f46\u53ea\u6709\u7b2c\u4e8c\u9879\u80fd\u751f\u6210\u56fe\u7247\uff1a<\/p>\n<p><strong>\u274c \u4ec5\u6837\u5f0f\uff08\u65e0\u6cd5\u6e32\u67d3\uff09\uff1a<\/strong><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\r\n    graph [rankdir = LR]\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\"]\r\n    edge [color = \"#555555\", arrowsize = 0.8]\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbo4I7EgFSiclF+ho1BcUpkD4iilZebkpKYo6SiAGMn5OfkgnUrKroZupm6uSlADUlPSgQYgZE3BAKgpsagov7w4swpklIGeBVB5LQC3cCwa\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p><strong>\u2705 \u5b8c\u6574\uff08\u53ef\u6e32\u67d3\uff09\uff1a<\/strong><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNotjDEPgkAMhXcS\/kODK4E4OBkngcnJlTgUWoF43F1aSCTG\/+5d8E19X788mgZBP0LVVPBJEwjZQStoXzQJXOB2f+wf64ih1WUzHHD2nIxhynKIR++Mi3J2qI\/NqakD1hF9FDv3\/g9cV13czHLea1lCURTerApeXM+qrDkQLgjBk1g6t1pC2XJAS8A0sKbJ9wc19zcL\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNotjDEPgkAMhXcS\/kODK4E4OBkngcnJlTgUWoF43F1aSCTG\/+5d8E19X788mgZBP0LVVPBJEwjZQStoXzQJXOB2f+wf64ih1WUzHHD2nIxhynKIR++Mi3J2qI\/NqakD1hF9FDv3\/g9cV13czHLea1lCURTerApeXM+qrDkQLgjBk1g6t1pC2XJAS8A0sKbJ9wc19zcL\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbq4pDInFSislJaZk5OaoqSjAGIk5+fkgxQrKbsaupm6uQKFizMSC0AKk\/IroAY4lxaX5OemFllDuPr6Cnp6ek+7FjzZ0fV0ScvzCW0v9rc\/X9H9uKHx2dQNz3rXPV0742nTCiD3xb6dz6f2PJ3UA2TwctUCAOEyRvA=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\r\n    graph [rankdir = LR]\r\n    node [style = \"filled\", fillcolor = \"#E1F5FE\", shape = box]\r\n    Customer;\r\n    \/\/ ...\u52a0\u4e0a\u5904\u7406\u8fc7\u7a0b\u3001\u6570\u636e\u5b58\u50a8\u3001\u8fb9\u754c\u548c\u8fb9\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNpLyUwvSizIUHBxc1Go5uVSAAKIQHRRYl52SmaRgq2CT1AsRCYvPyVVIbq4pDInFSislJaZk5OaoqSjAGIk5+fkgxQrKbsaupm6uQKFizMSC0AKk\/IroAY4lxaX5OemFllDuPr6Cnp6ek+7FjzZ0fV0ScvzCW0v9rc\/X9H9uKHx2dQNz3rXPV0742nTCiD3xb6dz6f2PJ3UA2TwctUCAOEyRvA=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNotjDEPgkAMhXcS\/kODK4E4OBkngcnJlTgUWoF43F1aSCTG\/+5d8E19X788mgZBP0LVVPBJEwjZQStoXzQJXOB2f+wf64ih1WUzHHD2nIxhynKIR++Mi3J2qI\/NqakD1hF9FDv3\/g9cV13czHLea1lCURTerApeXM+qrDkQLgjBk1g6t1pC2XJAS8A0sKbJ9wc19zcL\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNotjDEPgkAMhXcS\/kODK4E4OBkngcnJlTgUWoF43F1aSCTG\/+5d8E19X788mgZBP0LVVPBJEwjZQStoXzQJXOB2f+wf64ih1WUzHHD2nIxhynKIR++Mi3J2qI\/NqakD1hF9FDv3\/g9cV13czHLea1lCURTerApeXM+qrDkQLgjBk1g6t1pC2XJAS8A0sKbJ9wc19zcL\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr\/>\n<h2>5. \u8be5<a href=\"https:\/\/online.visual-paradigm.com\/resources\/data-flow-diagram\/guides\/data-flow-diagram-top-down-decomposition\/\">\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u8fc7\u7a0b<\/a>\uff08\u9010\u6b65\u8fdb\u884c\uff09<\/h2>\n<p>\u8be5<strong>\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf<\/strong>\u5c55\u793a\u4e86\u8be5\u65b9\u6cd5\u8bba\u3002\u5728\u6bcf\u4e00\u5c42\u7ea7\uff0c\u60a8\u90fd\u5c06\u83b7\u5f97\u5b8c\u6574\u4e14\u53ef\u8fd0\u884c\u7684 Graphviz \u4ee3\u7801\u3002<\/p>\n<h3>\u6b65\u9aa4 1 \u2014 \u6784\u5efa\u4e0a\u4e0b\u6587\u56fe\uff08\u7b2c 0 \u5c42\uff09<\/h3>\n<p>\u5c06\u6574\u4e2a\u7cfb\u7edf\u89c6\u4e3a<strong>\u4e00\u4e2a\u5355\u4e00\u7684\u5904\u7406\u8fc7\u7a0b<\/strong>\u5e76\u8bc6\u522b\u4e0e\u5916\u90e8\u4e16\u754c\u7684\u6240\u6709\u4ea4\u4e92\u3002\u4e0d\u5305\u542b\u6570\u636e\u5b58\u50a8\uff0c\u4e5f\u4e0d\u5305\u542b\u5185\u90e8\u7ec6\u8282\u3002<\/p>\n<p id=\"OCnRdEL\"><img alt=\"Visual Paradigm AI \u804a\u5929\u673a\u5668\u4eba\uff1a\u6784\u5efa\u7528\u4e8e\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u7684\u4e0a\u4e0b\u6587\u56fe\uff08\u7b2c 0 \u5c42\uff09\u793a\u4f8b\" class=\"alignnone wp-image-19604 size-full\" decoding=\"async\" height=\"872\" loading=\"lazy\" sizes=\"auto, (max-width: 1912px) 100vw, 1912px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68.png 1912w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68-1024x467.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68-768x350.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702d4913b68-1536x701.png 1536w\" width=\"1912\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f\u4e0e\u56fe\u8868\u6807\u9898 ---\r\n    graph [\r\n        rankdir = LR\r\n        splines = true\r\n        overlap = false\r\n        nodesep = 0.6\r\n        ranksep = 0.9\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n        label = \"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf - \u4e0a\u4e0b\u6587\uff08\u7b2c 0 \u5c42\uff09\"\r\n    ]\r\n    node [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 11, penwidth = 1.5 ]\r\n    edge [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 9,\r\n           color = \"#555555\", arrowsize = 0.8 ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    Customer; PaymentGateway; Warehouse; Courier;\r\n\r\n    \/\/ \u5355\u4e00\u7cfb\u7edf\u5904\u7406\u8fc7\u7a0b\r\n    node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\",\r\n          color = \"#388E3C\", fixedsize = true, width = 1.6]\r\n    System [label=\"0.0n\u5728\u7ebf\u8ba2\u5355n\u5904\u7406\u7cfb\u7edf\"];\r\n\r\n    \/\/ \u6570\u636e\u6d41\uff08\u53cc\u5411\u4ea4\u6362\u6570\u636e\u65f6\u4f7f\u7528\u53cc\u5411\u7bad\u5934\uff09\r\n    Customer -&gt; System [label=\"\u8ba2\u5355\u4e0en\u8d26\u6237\"];\r\n    System -&gt; Customer [label=\"\u786e\u8ba4\u4e0en\u6536\u636e\"];\r\n    System -&gt; PaymentGateway [label=\"\u652f\u4ed8n\u8bf7\u6c42\"];\r\n    PaymentGateway -&gt; System [label=\"\u652f\u4ed8n\u72b6\u6001\"];\r\n    Warehouse -&gt; System [label=\"\u5e93\u5b58n\u53ef\u7528\"];\r\n    System -&gt; Courier [label=\"\u914d\u9001n\u8bf7\u6c42\", dir=both];\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p><strong>\u89e3\u8bfb\uff1a<\/strong>\u4e0a\u4e0b\u6587\u56fe\u56de\u7b54\u4e86<em>\u201c\u8be5\u7cfb\u7edf\u7684\u8fb9\u754c\u662f\u4ec0\u4e48\uff0c\u5b83\u4e0e\u8c01\u4ea4\u4e92\uff1f\u201d<\/em>\u2014\u2014\u5b83\u5c55\u793a\u4e86<strong>\u5916\u90e8\u5b9e\u4f53<\/strong>\u53ca\u5176\u6570\u636e\u6d41\uff0c\u4f46\u9690\u85cf\u4e86\u6240\u6709\u5185\u90e8\u7ed3\u6784\u3002\u6211\u4eec\u770b\u5230\u7cfb\u7edf\u4ece<strong>\u5ba2\u6237<\/strong>\u63a5\u6536\u8ba2\u5355\uff0c\u5e76\u901a\u8fc7<strong>\u652f\u4ed8\u7f51\u5173<\/strong>\uff0c\u5c06\u5e93\u5b58\u4e0e<strong>\u4ed3\u5e93<\/strong>\uff0c\u5e76\u5c06\u5c65\u7ea6\u4efb\u52a1\u79fb\u4ea4\u81f3<strong>\u5feb\u9012\u5458<\/strong>.<\/p>\n<hr\/>\n<h3>\u6b65\u9aa4 2 \u2014 \u5206\u89e3\u4e3a<a href=\"https:\/\/guides.visual-paradigm.com\/navigating-system-complexity-a-comprehensive-guide-to-data-flow-diagram-levels\/\">\u4e00\u7ea7<\/a>\uff08\u4e3b\u8981\u6d41\u7a0b\uff09<\/h3>\n<p id=\"oXkEflG\"><img alt=\"Visual Paradigm AI \u804a\u5929\u673a\u5668\u4eba\uff1a\u4f7f\u7528 AI \u5c06\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u8fc7\u7a0b\u5206\u89e3\u4e3a\u7b2c 1 \u5c42\uff08\u4e3b\u8981\u8fc7\u7a0b\uff09\" class=\"alignnone wp-image-19605 size-full\" decoding=\"async\" height=\"869\" loading=\"lazy\" sizes=\"auto, (max-width: 1915px) 100vw, 1915px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d.png 1915w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d-300x136.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d-1024x465.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d-768x349.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702da504a0d-1536x697.png 1536w\" width=\"1915\"\/><\/p>\n<p>\u5c06\u5355\u4e00\u4e0a\u4e0b\u6587\u6d41\u7a0b\u5206\u89e3\u4e3a\u5173\u952e\u529f\u80fd\uff0c\u5e76\u6dfb\u52a0\u5171\u4eab\u6570\u636e\u5b58\u50a8\u3002\u5c06\u6d41\u7a0b\u4e0e\u5b58\u50a8\u7528<strong>\u865a\u7ebf\u5706\u89d2\u7cfb\u7edf\u8fb9\u754c<\/strong>.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f\u4e0e\u56fe\u8868\u6807\u9898 ---\r\n    graph [\r\n        rankdir = LR\r\n        splines = true\r\n        overlap = false\r\n        nodesep = 0.5\r\n        ranksep = 0.8\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n        label = \"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf - \u4e00\u7ea7\"\r\n    ]\r\n    node [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 11, penwidth = 1.5 ]\r\n    edge [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 9,\r\n           color = \"#555555\", arrowsize = 0.8 ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    Customer; PaymentGateway; Warehouse; Courier;\r\n\r\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c\u5bb9\u5668 ---\r\n    subgraph cluster_SystemBoundary {\r\n        label = \"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\";\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 14\r\n        color = \"#757575\"\r\n        style = \"dashed,rounded\"\r\n        bgcolor = \"#FAFAFA\"\r\n        margin = 20\r\n\r\n        \/\/ \u5904\u7406\u8fc7\u7a0b\uff08\u7eff\u8272\u5706\u5f62\uff09\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\",\r\n              color = \"#388E3C\", fixedsize = true, width = 1.3]\r\n        P1 [label=\"1.0n\u4e0bn\u8ba2\u5355\"];\r\n        P2 [label=\"2.0n\u5904\u7406n\u652f\u4ed8\"];\r\n        P3 [label=\"3.0n\u786e\u8ba4n\u5e93\u5b58\"];\r\n        P4 [label=\"4.0n\u53d1n\u8d27\"];\r\n\r\n        \/\/ \u6570\u636e\u5b58\u50a8\uff08\u9ec4\u8272\u8bb0\u5f55\uff09\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\",\r\n              color = \"#FBC02D\", fixedsize = false]\r\n        OrderDS    [label=\"{ D1 | \u8ba2\u5355 }\"];\r\n        ProductDS  [label=\"{ D2 | \u4ea7\u54c1n\u5e93\u5b58 }\"];\r\n        ShippingDS [label=\"{ D3 | \u53d1\u8d27 }\"];\r\n    }\r\n\r\n    \/\/ --- \u6570\u636e\u6d41\uff1a\u5916\u90e8\u5b9e\u4f53 ---\r\n    Customer -&gt; P1 [label=\"\u8ba2\u5355\u53can\u8d26\u6237\u8be6\u60c5\"];\r\n    P1 -&gt; Customer [label=\"\u8ba2\u5355n\u786e\u8ba4\"];\r\n    P2 -&gt; PaymentGateway [label=\"\u652f\u4ed8n\u8bf7\u6c42\"];\r\n    PaymentGateway -&gt; P2 [label=\"\u652f\u4ed8n\u72b6\u6001\"];\r\n    Warehouse -&gt; P3 [label=\"\u5e93\u5b58n\u53ef\u7528\"];\r\n    Courier -&gt; P4 [label=\"\u914d\u9001n\u72b6\u6001\", dir=both];\r\n\r\n    \/\/ --- \u5904\u7406\u8fc7\u7a0b\u95f4\u6d41\u6c34\u7ebf ---\r\n    P1 -&gt; P2 [label=\"\u8ba2\u5355n\u603b\u989d\"];\r\n    P2 -&gt; P3 [label=\"\u5df2\u652f\u4ed8n\u8ba2\u5355\"];\r\n    P3 -&gt; P4 [label=\"\u5df2\u9a8c\u8bc1n\u8ba2\u5355\"];\r\n\r\n    \/\/ --- \u5904\u7406\u8fc7\u7a0b\u4e0e\u6570\u636e\u5b58\u50a8\u4e4b\u95f4 ---\r\n    P1 -&gt; OrderDS [label=\"\u521b\u5efan\u8ba2\u5355\"];                     \/\/ \u4ec5\u5199\r\n    P3 -&gt; ProductDS [label=\"\u66f4\u65b0n\u5e93\u5b58\", dir=both];         \/\/ \u8bfb\u4e0e\u5199\r\n    P4 -&gt; ShippingDS [label=\"\u521b\u5efan\u53d1\u8d27\"];               \/\/ \u4ec5\u5199\r\n    OrderDS -&gt; P3 [label=\"\u8ba2\u5355n\u8be6\u60c5\"];                    \/\/ \u4ec5\u8bfb\r\n    ShippingDS -&gt; P4 [label=\"\u53d1\u8d27n\u6807\u7b7e\"];                \/\/ \u4ec5\u8bfb\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT \u6587\u4ef6<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT \u6587\u4ef6<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"QwfwErb\"><img alt=\"\u56fe\u8868\u5373\u4ee3\u7801\uff1aVPasCode \u7528\u4e8e\u7b2c 1 \u5c42\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7684\u81ea\u9876\u5411\u4e0b\u5206\u89e3\" class=\"alignnone wp-image-19606 size-full\" decoding=\"async\" height=\"431\" loading=\"lazy\" sizes=\"auto, (max-width: 1436px) 100vw, 1436px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702db65d5e5.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702db65d5e5.png 1436w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702db65d5e5-300x90.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702db65d5e5-1024x307.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702db65d5e5-768x231.png 768w\" width=\"1436\"\/><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<ul>\n<li>\u7ebf\u6027\u94fe<code data-backticks=\"1\">P1 \u2192 P2 \u2192 P3 \u2192 P4<\/code> \u8868\u793a\u4e00\u4e2a<strong>\u6709\u5e8f\u6d41\u6c34\u7ebf<\/strong>\uff1a\u8ba2\u5355\u5728\u4e0b\u8fbe\u540e\u624d\u4f1a\u8fdb\u884c\u652f\u4ed8\uff0c\u652f\u4ed8\u5b8c\u6210\u540e\u624d\u4f1a\u68c0\u67e5\u5e93\u5b58\uff0c\u5e93\u5b58\u786e\u8ba4\u540e\u624d\u53d1\u8d27\u3002<\/li>\n<li>\u8be5<strong>\u652f\u4ed8\u7f51\u5173<\/strong> \u4ea4\u4e92\u4f7f\u7528\u4e24\u4e2a\u5355\u5411\u7bad\u5934\uff08<code data-backticks=\"1\">\u652f\u4ed8\u8bf7\u6c42<\/code> \u5411\u5916\uff0c<code data-backticks=\"1\">\u652f\u4ed8\u72b6\u6001<\/code>\u5411\u5185\uff09\u3002<\/li>\n<li><strong>\u6570\u636e\u5b58\u50a8<\/strong>\u5145\u5f53\u72b6\u6001\uff1a<code data-backticks=\"1\">P1<\/code>\u00a0<em>\u5199\u5165<\/em>\u8ba2\u5355\uff0c<code data-backticks=\"1\">P3<\/code>\u00a0<em>\u8bfb\u53d6\u5e76\u66f4\u65b0<\/em>\u5e93\u5b58\uff08<code data-backticks=\"1\">dir=both<\/code>),\u00a0<code data-backticks=\"1\">P4<\/code>\u00a0<em>\u5199\u5165<\/em>\u53d1\u8d27\u5355\u3002<\/li>\n<li><code data-backticks=\"1\">P3 \u2192 ProductDS<\/code> \u4f7f\u7528 <strong><code data-backticks=\"1\">dir=both<\/code><\/strong> \u2014 \u4e00\u6761\u8fb9\uff0c\u800c\u975e\u4e24\u6761 \u2014 \u56e0\u4e3a\u8be5\u6d41\u7a0b\u65e2\u8bfb\u53d6\u53c8\u66f4\u65b0\u5e93\u5b58\u3002<\/li>\n<\/ul>\n<hr\/>\n<h3>\u6b65\u9aa4 3 \u2014 \u4e0b\u94bb\uff1a<a href=\"https:\/\/guides.visual-paradigm.com\/navigating-system-complexity-a-comprehensive-guide-to-data-flow-diagram-levels\/\">\u4e8c\u7ea7<\/a>\uff08\u4e13\u6ce8\u4e8e\u4e00\u4e2a\u6d41\u7a0b\uff09<\/h3>\n<p id=\"TnBKRjg\"><img alt=\"Visual Paradigm AI \u804a\u5929\u673a\u5668\u4eba\uff1a\u4f7f\u7528 AI \u5c06\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u793a\u4f8b\u5206\u89e3\u4e3a\u7b2c 1 \u5c42\uff08\u4e3b\u8981\u8fc7\u7a0b\uff09\" class=\"alignnone wp-image-19607 size-full\" decoding=\"async\" height=\"871\" loading=\"lazy\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d.png 1920w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d-300x136.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d-1024x465.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d-768x348.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702de22f61d-1536x697.png 1536w\" width=\"1920\"\/><\/p>\n<p>\u9009\u62e9\u4e00\u4e2a\u4e00\u7ea7\u6d41\u7a0b\u5e76\u8fdb\u884c\u5206\u89e3<em>\u4ec5\u8be5\u6d41\u7a0b<\/em>\u3002\u663e\u793a<strong>\u7236\u6d41\u7a0b<\/strong>\u5728\u8fb9\u754c\u5904\uff08\u7c89\u8272\uff09\uff0c\u4ee5\u4fbf\u4fdd\u7559\u4e0a\u4e0b\u6587\uff0c\u540c\u65f6\u663e\u793a\u5b50\u6d41\u7a0b\u3001\u5b50\u5b58\u50a8\u548c\u6d41\u7a0b\u3002<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNqtVm1vGjkQ\/n7S\/YcRJ1WJBAksoCOKchIBtq2UXiJIT4pCdHJ2B7BqvFvbJOHa\/PeOvW9eSNrq7jYfAuNnxjPPzDxLzJeKpSsYh2P48usvQM\/xMbRaLXg7HV69g9n1zcUE3sCYMwKu4ZobgfY8w2bOt9kX+ygmP8VcwRlcTCurTgWXqMlq1AYre\/KASrCU7AsmtHcgkxg12oP2Ub8evTAPKvMikUayNZK98Q7FAxoeseZQcSaamknd0qj4olF30Pwf69AJKrNg9yhskCu2XaM0cKWSCLWGgwt8QNEKDqEFl9LWApcqRlUCZlttcJ3fcJf9szXA7c8m16wl1WlCivKRx2Zlvx71i6AYL\/9t0JNmVSk9USIS26fGb333EJgplTzmaCLY3lmOxOTJoJJMwEQabrZ+iXrFUutynzw1QZutcGktuBAY2xToQ3XZpBP2wwmZK1M7GAzGnUZe4WijTbJGdQp5F94yg49se+olY+dzdjO7nnyA88uPf46H0xs4MCuuQW\/uW2nWlMNqTMmaTWokKDqqv7N+nScbGTO1LSa\/NgPBURt25qBx+j\/NXK8yVzT83rd\/nkdJZcz0CuOmsukSpRXiflm5h0P75x2umVpySWdBu6Aup29WkURLebBUiBIiriKB+rC+hFV3s\/OfaPAg7E9OGvVhqxXaHQwm3ZFzfMI458QKQxOqie\/eVQGugg7cusacUVs6czliItoImou5vE4ME427Ux8deOhgLv9igscOnPdzB9714N25HG7MKlGU1Wv4nofvUTKJXHC1nksnCQ67xzZdz1o018ryvUUhkkdQGCUqfp3w7PzHhIdheDLqfY\/w8HzUDsY7hDvF9UgeMWXGM\/pQFPcFxh346uzHeXHwnrZGw3OdEJWsE+vpOQbk6OyGJ3LPIWOVXDyPrvXIDqipJPSaRS85uzx2buuRr7MX4Br\/V0zZHfYGPuXyk5XyiFYSnwwsKFNY8eWKKhRW6f\/rDoSjSW8y+l5LRkFn0D\/\/wQ70\/B2oVqBz1KbRFCzCvC1zeZC6Ig\/rPFeD3bUu5aC+lw8ETtT2BcdnT2ZDGlOdsZPBNBxDlOszcArh6y3qzJEybf1R29k8STc85UUFrFrWsv0fkDYwLpHFG+FV\/BgN40J7ra+LHEQrxmV+bbB3r5MQeENxuI5IY42XJMEcuqKyUJN4Xx4szKF7+zmWqhLX0yzfq8vsNWdpRZXNfj1q7W1YXlDEZdZhLqf4eYPaS6nutVPLMCWGHpg4thxG9ndNPbnLjUk3BqjP+\/0vkuu5oF2vYh77WuihykbusTPFCHlq6rePSTTBiSawqDZhWQ9zxSqCTZHFxZA1gX6Ent0nZrXbyVysdrtJzbQne63ck6qpU2WSqCf54i2u0EKkCqePaXbHzDCzyabr+Rvg8kjT\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f\u4e0e\u56fe\u8868\u6807\u9898 ---\n    graph [\n        rankdir = LR\n        splines = true\n        overlap = false\n        nodesep = 0.5\n        ranksep = 0.8\n        fontname = \"Helvetica,Arial,sans-serif\"\n        fontsize = 12\n        label = \"\u652f\u4ed8\u6d41\u7a0b\uff08\u7b2c 2 \u5c42\uff09- \u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\"\n    ]\n    node [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 11, penwidth = 1.5 ]\n    edge [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 9,\n           color = \"#555555\", arrowsize = 0.8 ]\n\n    \/\/ \u5916\u90e8\u5b9e\u4f53\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\n    Customer; PaymentGateway;\n\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c\uff08\u6b64\u5b50\u6d41\u7a0b\uff09---\n    subgraph cluster_SystemBoundary {\n        label = \"2.0 \u652f\u4ed8\u6d41\u7a0b\";\n        fontname = \"Helvetica,Arial,sans-serif\"\n        fontsize = 14\n        color = \"#757575\"\n        style = \"dashed,rounded\"\n        bgcolor = \"#FAFAFA\"\n        margin = 20\n\n        \/\/ \u5b50\u6d41\u7a0b\uff08\u7eff\u8272\u5706\u5f62\uff09\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\",\n              color = \"#388E3C\", fixedsize = true, width = 1.3]\n        P21 [label=\"2.1n\u8ba1\u7b97n\u603b\u989d\"];\n        P22 [label=\"2.2n\u9a8c\u8bc1n\u652f\u4ed8\"];\n        P23 [label=\"2.3n\u6388\u6743n\u652f\u4ed8\"];\n        P24 [label=\"2.4n\u786e\u8ba4n\u8ba2\u5355\"];\n\n        \/\/ \u5b50\u6570\u636e\u5b58\u50a8\uff08\u9ec4\u8272\u8bb0\u5f55\uff09\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\",\n              color = \"#FBC02D\", fixedsize = false]\n        CartDS   [label=\"{ D1 | \u8d2d\u7269\u8f66\/n\u8ba2\u5355\u9879 }\"];\n        PromoDS  [label=\"{ D2 | \u4fc3\u9500\u6d3b\u52a8 }\"];\n        PaymentDS [label=\"{ D3 | \u652f\u4ed8n\u4ea4\u6613 }\"];\n        OrderDS  [label=\"{ D4 | \u8ba2\u5355 }\"];\n\n        \/\/ \u7236\u6d41\u7a0b\uff08\u7c89\u8272\uff09- \u6765\u81ea\u66f4\u9ad8\u5c42\u7ea7\u7684\u4e0a\u4e0b\u6587\n        node [shape = circle, style = \"filled\", fillcolor = \"#FCE4EC\",\n              color = \"#C2185B\", fixedsize = true, width = 1.4]\n        P1 [label=\"1.0n\u4e0b\u8ba2\u5355n(\u7236\u7ea7)\"];\n        P3 [label=\"3.0n\u786e\u8ba4\u5e93\u5b58n(\u7236\u7ea7)\"];\n    }\n\n    \/\/ \u6765\u81ea\u7236\u7ea7\/\u5ba2\u6237\u6d41\u5411\u5b50\u6d41\u7a0b\n    P1 -&gt; P21 [label=\"\u8ba2\u5355\u9879\"];\n    P1 -&gt; P22 [label=\"\u652f\u4ed8\u65b9\u5f0f\"];\n    Customer -&gt; P22 [label=\"\u652f\u4ed8\u8be6\u60c5\"];\n\n    \/\/ \u5b50\u6d41\u7a0b\u94fe\n    P21 -&gt; P22 [label=\"\u603b\u989d\u4e0en\u6298\u6263\"];\n    P22 -&gt; P23 [label=\"\u5df2\u9a8c\u8bc1n\u652f\u4ed8\"];\n    P23 -&gt; P24 [label=\"\u652f\u4ed8n\u5df2\u6388\u6743\"];\n\n    \/\/ \u4e0e\u5916\u90e8\u7f51\u5173\u7684\u4ea4\u4e92\n    P23 -&gt; PaymentGateway [label=\"\u6388\u6743n\u8bf7\u6c42\"];\n    PaymentGateway -&gt; P23 [label=\"\u6279\u51c6\/n\u62d2\u7edd\"];\n\n    \/\/ \u8f93\u51fa\u81f3\u7236\u7ea7\/\u5ba2\u6237\n    P24 -&gt; P3 [label=\"\u5df2\u652f\u4ed8n\u8ba2\u5355\"];\n    P24 -&gt; Customer [label=\"\u652f\u4ed8n\u6536\u636e\"];\n\n    \/\/ \u6570\u636e\u5b58\u50a8\u8bbf\u95ee\n    P21 -&gt; CartDS [label=\"\u8bfb\u53d6n\u9879\", dir=both];\n    P22 -&gt; PromoDS [label=\"\u9a8c\u8bc1n\u4fc3\u9500\"];\n    P23 -&gt; PaymentDS [label=\"\u8bb0\u5f55n\u4ea4\u6613\", dir=both];\n    P24 -&gt; OrderDS [label=\"\u66f4\u65b0n\u72b6\u6001\"];\n}\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNqtVm1vGjkQ\/n7S\/YcRJ1WJBAksoCOKchIBtq2UXiJIT4pCdHJ2B7BqvFvbJOHa\/PeOvW9eSNrq7jYfAuNnxjPPzDxLzJeKpSsYh2P48usvQM\/xMbRaLXg7HV69g9n1zcUE3sCYMwKu4ZobgfY8w2bOt9kX+ygmP8VcwRlcTCurTgWXqMlq1AYre\/KASrCU7AsmtHcgkxg12oP2Ub8evTAPKvMikUayNZK98Q7FAxoeseZQcSaamknd0qj4olF30Pwf69AJKrNg9yhskCu2XaM0cKWSCLWGgwt8QNEKDqEFl9LWApcqRlUCZlttcJ3fcJf9szXA7c8m16wl1WlCivKRx2Zlvx71i6AYL\/9t0JNmVSk9USIS26fGb333EJgplTzmaCLY3lmOxOTJoJJMwEQabrZ+iXrFUutynzw1QZutcGktuBAY2xToQ3XZpBP2wwmZK1M7GAzGnUZe4WijTbJGdQp5F94yg49se+olY+dzdjO7nnyA88uPf46H0xs4MCuuQW\/uW2nWlMNqTMmaTWokKDqqv7N+nScbGTO1LSa\/NgPBURt25qBx+j\/NXK8yVzT83rd\/nkdJZcz0CuOmsukSpRXiflm5h0P75x2umVpySWdBu6Aup29WkURLebBUiBIiriKB+rC+hFV3s\/OfaPAg7E9OGvVhqxXaHQwm3ZFzfMI458QKQxOqie\/eVQGugg7cusacUVs6czliItoImou5vE4ME427Ux8deOhgLv9igscOnPdzB9714N25HG7MKlGU1Wv4nofvUTKJXHC1nksnCQ67xzZdz1o018ryvUUhkkdQGCUqfp3w7PzHhIdheDLqfY\/w8HzUDsY7hDvF9UgeMWXGM\/pQFPcFxh346uzHeXHwnrZGw3OdEJWsE+vpOQbk6OyGJ3LPIWOVXDyPrvXIDqipJPSaRS85uzx2buuRr7MX4Br\/V0zZHfYGPuXyk5XyiFYSnwwsKFNY8eWKKhRW6f\/rDoSjSW8y+l5LRkFn0D\/\/wQ70\/B2oVqBz1KbRFCzCvC1zeZC6Ig\/rPFeD3bUu5aC+lw8ETtT2BcdnT2ZDGlOdsZPBNBxDlOszcArh6y3qzJEybf1R29k8STc85UUFrFrWsv0fkDYwLpHFG+FV\/BgN40J7ra+LHEQrxmV+bbB3r5MQeENxuI5IY42XJMEcuqKyUJN4Xx4szKF7+zmWqhLX0yzfq8vsNWdpRZXNfj1q7W1YXlDEZdZhLqf4eYPaS6nutVPLMCWGHpg4thxG9ndNPbnLjUk3BqjP+\/0vkuu5oF2vYh77WuihykbusTPFCHlq6rePSTTBiSawqDZhWQ9zxSqCTZHFxZA1gX6Ent0nZrXbyVysdrtJzbQne63ck6qpU2WSqCf54i2u0EKkCqePaXbHzDCzyabr+Rvg8kjT\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"YTcwPSa\"><img alt=\"\u4f7f\u7528 VPasCode \u7684\u56fe\u8868\u5373\u4ee3\u7801\uff1a\u5c06\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u5206\u89e3\u4e3a\u7b2c 1 \u5c42\uff08\u4e3b\u8981\u8fc7\u7a0b\uff09\u5e76\u6e32\u67d3\" class=\"alignnone wp-image-19608 size-full\" decoding=\"async\" height=\"521\" loading=\"lazy\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e00df894.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e00df894.png 1536w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e00df894-300x102.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e00df894-1024x347.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e00df894-768x261.png 768w\" width=\"1536\"\/><strong>\u89e3\u91ca\uff08\u4e0e\u201c<a href=\"https:\/\/guides.visual-paradigm.com\/navigating-system-complexity-a-comprehensive-guide-to-data-flow-diagram-levels\/\">\u7b2c 1 \u5c42<\/a>):<\/strong><\/p>\n<ul>\n<li><strong>2.1 \u8ba1\u7b97\u603b\u989d<\/strong>\u662f\u4e00\u4e2a<em>\u7eaf\u8ba1\u7b97<\/em>\u2014\u2014\u8bfb\u53d6\u8d2d\u7269\u8f66\u9879\uff0c\u751f\u6210\u6570\u503c\uff0c\u9664\u5b58\u50a8\u5916\u65e0\u5916\u90e8\u8f93\u5165\/\u8f93\u51fa\u3002<\/li>\n<li><strong>2.3 \u6388\u6743\u652f\u4ed8<\/strong>\u662f<em>\u552f\u4e00<\/em>\u6b65\u9aa4\uff0c\u4e0e\u5916\u90e8<strong>\u652f\u4ed8\u7f51\u5173<\/strong>\u2014\u2014\u8d44\u91d1\u6d41\u52a8\u88ab\u6e05\u6670\u5730\u9694\u79bb\u3002<\/li>\n<li>\u8be5<code data-backticks=\"1\">\u8ba2\u5355<\/code>\u5b58\u50a8\u518d\u6b21\u51fa\u73b0\uff0c\u56e0\u4e3a<strong>2.4<\/strong>\u66f4\u65b0\u8ba2\u5355\u72b6\u6001\uff08\u6700\u521d\u7531<strong>1.0<\/strong>\u5728\u4e00\u7ea7\u3002)<\/li>\n<li>\u8be5\u94fe<code data-backticks=\"1\">2.1 \u2192 2.2 \u2192 2.3 \u2192 2.4<\/code>\u662f<strong>\u987a\u5e8f\u9a8c\u8bc1\u7ba1\u9053<\/strong>\u5728\u79fb\u4ea4\u7ed9<strong>3.0<\/strong>\uff08\u7c89\u8272\u7236\u7ea7\uff09\u3002<\/li>\n<li><strong>\u7236\u8fdb\u7a0b 1.0 \u548c 3.0<\/strong> \u88ab\u7ed8\u5236\u4e3a\u7c89\u7ea2\u8272 <em>\u5916\u90e8<\/em> \u8fb9\u754c\u4ee5\u951a\u5b9a\u6d41\u7a0b\u7684\u8d77\u70b9\u548c\u7ec8\u70b9\u3002<\/li>\n<\/ul>\n<hr\/>\n<h3>\u6b65\u9aa4 4 \u2014 \u518d\u6b21\u4e0b\u94bb\uff1a<a href=\"https:\/\/guides.visual-paradigm.com\/navigating-system-complexity-a-comprehensive-guide-to-data-flow-diagram-levels\/\">\u7b2c\u4e09\u7ea7<\/a>\uff08\u9012\u5f52\u91cd\u590d\uff09<\/h3>\n<p id=\"QrrNWjH\"><img alt=\"Visual Paradigm AI \u804a\u5929\u673a\u5668\u4eba\uff1a\u518d\u6b21\u4e0b\u94bb\uff1a\u4f7f\u7528 AI \u7684\u81ea\u9876\u5411\u4e0b\u5206\u89e3\u7b2c 3 \u5c42\uff08\u9012\u5f52\u91cd\u590d\uff09\u793a\u4f8b\" class=\"alignnone wp-image-19609 size-full\" decoding=\"async\" height=\"868\" loading=\"lazy\" sizes=\"auto, (max-width: 1911px) 100vw, 1911px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d.png 1911w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d-300x136.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d-1024x465.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d-768x349.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e341348d-1536x698.png 1536w\" width=\"1911\"\/><\/p>\n<p>\u5bf9\u4efb\u4f55\u4ecd\u7136\u8fc7\u4e8e\u590d\u6742\u7684\u5b50\u8fdb\u7a0b\u91cd\u590d\u5b8c\u5168\u76f8\u540c\u7684\u6280\u672f\u3002\u6211\u4eec\u653e\u5927\u5230<strong>2.2 \u9a8c\u8bc1\u652f\u4ed8<\/strong>.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91\u6570\u636e\u6d41\u56fe<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f\u4e0e\u56fe\u8868\u6807\u9898 ---\n    graph [\n        rankdir = LR\n        splines = true\n        overlap = false\n        nodesep = 0.5\n        ranksep = 0.8\n        fontname = \"Helvetica,Arial,sans-serif\"\n        fontsize = 12\n        label = \"\u9a8c\u8bc1\u652f\u4ed8\uff08\u7b2c\u4e09\u7ea7\uff09- \u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\"\n    ]\n    node [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 11, penwidth = 1.5 ]\n    edge [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 9,\n           color = \"#555555\", arrowsize = 0.8 ]\n\n    \/\/ \u5916\u90e8\u5b9e\u4f53\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\n    Customer;\n\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c\uff08\u6b64\u53f6\u7ea7\u5b50\u8fdb\u7a0b\uff09---\n    subgraph cluster_SystemBoundary {\n        label = \"2.2 \u9a8c\u8bc1\u652f\u4ed8\";\n        fontname = \"Helvetica,Arial,sans-serif\"\n        fontsize = 14\n        color = \"#757575\"\n        style = \"dashed,rounded\"\n        bgcolor = \"#FAFAFA\"\n        margin = 20\n\n        \/\/ \u53f6\u7ea7\u8fdb\u7a0b\uff08\u7eff\u8272\u5706\u5708\uff09\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\",\n              color = \"#388E3C\", fixedsize = true, width = 1.3]\n        P221 [label=\"2.2.1n\u9a8c\u8bc1n\u5361\/\u652f\u4ed8n\u8be6\u60c5\"];\n        P222 [label=\"2.2.2n\u68c0\u67e5n\u6b3a\u8bc8\"];\n        P223 [label=\"2.2.3n\u9a8c\u8bc1n\u4fc3\u9500n\u4ee3\u7801\"];\n        P224 [label=\"2.2.4n\u8ba1\u7b97n\u6700\u7ec8n\u91d1\u989d\"];\n\n        \/\/ \u53f6\u7ea7\u6570\u636e\u5b58\u50a8\uff08\u9ec4\u8272\u8bb0\u5f55\uff09\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\",\n              color = \"#FBC02D\", fixedsize = false]\n        CardDS  [label=\"{ D1 | \u5361n\u6ce8\u518c\u8868 }\"];\n        FraudDS [label=\"{ D2 | \u6b3a\u8bc8n\u89c4\u5219 }\"];\n        PromoDS [label=\"{ D3 | \u4fc3\u9500\u6d3b\u52a8 }\"];\n        CartDS  [label=\"{ D4 | \u8d2d\u7269\u8f66\/n\u8ba2\u5355\u9879 }\"];\n\n        \/\/ \u7236\u8fdb\u7a0b\uff08\u7c89\u7ea2\u8272\uff09\n        node [shape = circle, style = \"filled\", fillcolor = \"#FCE4EC\",\n              color = \"#C2185B\", fixedsize = true, width = 1.4]\n        P21 [label=\"2.1n\u8ba1\u7b97n\u603b\u8ba1n(\u7236\u8fdb\u7a0b)\"];\n        P23 [label=\"2.3n\u6388\u6743n\u652f\u4ed8n(\u7236\u8fdb\u7a0b)\"];\n    }\n\n    \/\/ \u8f93\u5165\n    P21 -&gt; P221 [label=\"\u603b\u8ba1 &amp;n\u65e5\u671f\"];\n    Customer -&gt; P221 [label=\"\u652f\u4ed8n\u8be6\u60c5\"];\n\n    \/\/ \u987a\u5e8f\u9a8c\u8bc1\uff0c\u542b\u5e76\u884c\u5206\u652f\n    P221 -&gt; P222 [label=\"\u5df2\u9a8c\u8bc1n\u8be6\u60c5\"];\n    P222 -&gt; P223 [label=\"\u65e0\u6b3a\u8bc8n\u6807\u5fd7n(\u5e76\u884c)\"];\n\n    \/\/ \u4e3a\u6700\u7ec8\u8ba1\u7b97\u63d0\u4f9b\u8f93\u5165\n    P21 -&gt; P223 [label=\"\u4fc3\u9500n\u4ee3\u7801\"];\n    P221 -&gt; P224 [label=\"\u652f\u4ed8n\u603b\u8ba1\"];\n    P223 -&gt; P224 [label=\"\u5df2\u5e94\u7528n\u6298\u6263\"];\n\n    \/\/ \u8f93\u51fa\u81f3\u7236\u8fdb\u7a0b\n    P224 -&gt; P23 [label=\"\u5df2\u9a8c\u8bc1\u4e14n\u5df2\u6298\u6263n\u603b\u8ba1\"];\n\n    \/\/ \u6570\u636e\u5b58\u50a8\u8bbf\u95ee\n    P221 -&gt; CardDS [label=\"\u9a8c\u8bc1n\u5361\"];\n    P222 -&gt; FraudDS [label=\"\u68c0\u67e5n\u89c4\u5219\"];\n    P223 -&gt; PromoDS [label=\"\u67e5\u627en&amp; \u5e94\u7528\"];\n    P224 -&gt; CartDS [label=\"\u8bfb\u53d6n\u9879\", dir=both];\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"IvPyLpf\"><img alt=\"\u4f7f\u7528 VPasCode \u7684\u56fe\u8868\u5373\u4ee3\u7801\uff1a\u518d\u6b21\u4e0b\u94bb\uff1a\u7528\u4e8e\u6e32\u67d3\u7684\u7b2c 3 \u5c42\uff08\u9012\u5f52\u91cd\u590d\uff09\u793a\u4f8b\" class=\"alignnone wp-image-19610 size-full\" decoding=\"async\" height=\"533\" loading=\"lazy\" sizes=\"auto, (max-width: 1503px) 100vw, 1503px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e457c632.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e457c632.png 1503w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e457c632-300x106.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e457c632-1024x363.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a702e457c632-768x272.png 768w\" width=\"1503\"\/><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<ul>\n<li><strong>2.2.1 \u9a8c\u8bc1\u5361\u7247<\/strong>\u662f<em>\u5173\u5361<\/em>\u2014\u2014\u5b83\u5fc5\u987b\u5728\u6b3a\u8bc8\u68c0\u67e5\u5f00\u59cb\u524d\u6210\u529f\u3002<\/li>\n<li><strong>2.2.2\uff08\u6b3a\u8bc8\uff09<\/strong>\u548c<strong>2.2.3\uff08\u4fc3\u9500\uff09<\/strong>\u5728<em>\u5e76\u884c<\/em>\uff1a\u4e24\u8005\u90fd\u8bfb\u53d6\u89c4\u5219\u5e76\u90fd\u53c2\u4e0e\u6700\u7ec8\u8ba1\u7b97\u3002\u201c(\u5e76\u884c)\u201d\u6807\u7b7e\u5373\u8868\u793a\u6b64\u60c5\u51b5\u3002<\/li>\n<li><strong>2.2.4 \u8ba1\u7b97\u6700\u7ec8\u91d1\u989d<\/strong>\u662f<strong>\u6247\u5165<\/strong>\u70b9 \u2014 \u5b83<em>\u8fde\u63a5<\/em>\u00a0<code data-backticks=\"1\">\u652f\u4ed8\u603b\u989d<\/code>\u00a0+\u00a0<code data-backticks=\"1\">\u6298\u6263<\/code>\u5408\u5e76\u4e3a\u4e00\u4e2a\u9a8c\u8bc1\u540e\u7684\u8f93\u51fa\u5e76\u4f20\u9012\u7ed9\u7236\u7ea7<strong>2.3<\/strong>.<\/li>\n<li><strong>\u5361\u6ce8\u518c\u8868<\/strong>\u548c<strong>\u6b3a\u8bc8\u89c4\u5219<\/strong>\u662f\u7ec6\u8282\u7ea7\u5b58\u50a8\uff0c\u5728\u7b2c\u4e8c\u5c42\u4e0d\u53ef\u89c1\u2014\u2014\u968f\u7740\u5206\u89e3\u7684\u8fdb\u884c\uff0c\u65b0\u7684\u5b58\u50a8\u4f1a\u81ea\u7136\u51fa\u73b0\u3002<\/li>\n<\/ul>\n<hr\/>\n<h3>\u6b65\u9aa4 5 \u2014 \u5f53\u6d41\u7a0b\u4e3a\u201c\u57fa\u672c\u201d\u65f6\u505c\u6b62<\/h3>\n<p>\u7ee7\u7eed\u5206\u89e3\uff0c\u76f4\u5230\u6bcf\u4e2a\u6d41\u7a0b\u63cf\u8ff0\u4e00\u4e2a<strong>\u5355\u4e00\u3001\u660e\u786e\u3001\u53ef\u6267\u884c\u7684\u64cd\u4f5c<\/strong>. \u6ca1\u6709\u56fa\u5b9a\u7684\u6df1\u5ea6\uff1b\u5f53\u6d41\u7a0b\u80fd\u6e05\u6670\u5730\u6620\u5c04\u5230\u4e00\u4e2a\u529f\u80fd\u6216\u4e00\u4e2a\u51b3\u7b56\u65f6\u5373\u505c\u6b62\u3002\u4e0a\u8ff0 2.2.1 \u81f3 2.2.4 \u5c42\u7ea7\u5df2\u7ecf\u662f\u57fa\u672c\u5c42\u7ea7\u3002<\/p>\n<hr\/>\n<h2>6. \u6700\u4f73\u5b9e\u8df5\u4e0e\u5e38\u89c1\u9677\u9631<\/h2>\n<h3>\u2705 \u6700\u4f73\u5b9e\u8df5<\/h3>\n<ol>\n<li><strong>\u5bf9\u6d41\u7a0b\u8fdb\u884c\u5206\u5c42\u7f16\u53f7<\/strong>\u00a0(<code data-backticks=\"1\">2.2.4<\/code>) \u4ee5\u4fbf\u4efb\u4f55\u56fe\u8868\u90fd\u80fd\u5728\u6811\u7ed3\u6784\u4e2d\u81ea\u6211\u5b9a\u4f4d\u3002<\/li>\n<li><strong>\u5728\u8fb9\u754c\u5904\u7ed8\u5236\u7236\u7ea7\u6d41\u7a0b<\/strong>\uff08\u7c89\u8272\uff09\u4ee5\u4fbf\u6d41\u7a0b\u4fdd\u7559\u4e0a\u4e0b\u6587\u2014\u2014\u5207\u52ff\u4f7f\u8f93\u5165\/\u8f93\u51fa\u6210\u4e3a\u5b64\u7acb\u9879\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e00\u6761\u53cc\u5411\u8fb9<\/strong>\u00a0(<code data-backticks=\"1\">dir=both<\/code>) \u7528\u4e8e\u53cc\u5411\u4ea4\u6362\uff0c\u800c\u975e\u4e24\u6761\u72ec\u7acb\u7684\u7bad\u5934\u3002\u53ef\u51cf\u5c11\u6742\u4e71\u3002<\/li>\n<li><strong>\u4fdd\u6301\u6807\u7b7e\u63cf\u8ff0\u6027\u5f3a\u4f46\u7b80\u77ed<\/strong>\uff08\u201c\u6388\u6743\u652f\u4ed8\u201d\uff0c\u800c\u975e&#8221;AP&#8221;\uff09\u3002<\/li>\n<li><strong>\u4e00\u6b21\u5206\u89e3\u4e00\u4e2a\u8fc7\u7a0b<\/strong>\u2014 \u6bcf\u4e00\u5c42\u7ea7\u90fd\u662f\u72ec\u7acb\u7684\u56fe\u8868\uff1b\u5207\u52ff\u5c06\u591a\u4e2a\u5c42\u7ea7\u585e\u5165\u540c\u4e00\u5f20\u56fe\u4e2d\u3002<\/li>\n<li><strong>\u5e73\u8861\u56fe\u8868<\/strong>\u2014 \u7236\u7ea7\u5c42\u7684\u8f93\u5165\/\u8f93\u51fa\u5fc5\u987b\u7b49\u4e8e\u5176\u5b50\u7ea7\u5c42\u8f93\u5165\/\u8f93\u51fa\u7684\u603b\u548c\uff08\u5e73\u8861\u89c4\u5219\uff09\u3002<\/li>\n<li><strong>\u59cb\u7ec8\u58f0\u660e\u5143\u7d20<\/strong>\u2014 \u4ec5\u5305\u542b\u6837\u5f0f\u58f0\u660e\u800c\u672a\u5b9a\u4e49\u4efb\u4f55\u8282\u70b9\u6216\u8fb9\u7684\u6a21\u677f\u5c06\u6e32\u67d3\u51fa\u7a7a\u767d\u753b\u5e03\u3002\u6bcf\u5f20\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u90fd\u5fc5\u987b<em>\u5148\u8bbe\u7f6e\u6837\u5f0f\uff0c\u518d\u58f0\u660e\u5143\u7d20\uff0c\u6700\u540e\u8fdb\u884c\u8fde\u63a5<\/em>.<\/li>\n<li><strong>\u552f\u4e00\u547d\u540d\u6570\u636e\u5b58\u50a8<\/strong>\u2014 \u5728\u5b50\u56fe\u4e2d\u4f7f\u7528\uff0c\u4f46\u9700\u91cd\u65b0\u8fdb\u884c\u672c\u5730\u7f16\u53f7\uff08\u5982 D1\u3001D2\u2026\uff09\u4ee5\u5b9e\u73b0\u81ea\u5305\u542b\u3002<\/li>\n<\/ol>\n<h3>\u274c \u5e38\u89c1\u9677\u9631<\/h3>\n<ol>\n<li><strong>\u5b64\u7acb\u8fc7\u7a0b<\/strong>\u2014 \u6307\u6ca1\u6709\u8f93\u5165\u6216\u8f93\u51fa\u7684\u8fc7\u7a0b\u3002\u6bcf\u4e2a\u8fc7\u7a0b\u90fd\u5fc5\u987b\u5bf9\u67d0\u4e9b\u5185\u5bb9\u8fdb\u884c\u8f6c\u6362\u3002<\/li>\n<li><strong>\u7f3a\u5931\u5e73\u8861<\/strong>\u2014 \u5728\u4e00\u7ea7\u56fe\u4e2d\u51fa\u73b0\u4e86\u6570\u636e\u6d41\uff0c\u4f46\u5176\u4e8c\u7ea7\u5b50\u56fe\u4e2d\u6ca1\u6709\u4efb\u4f55\u8282\u70b9\u4ea7\u751f\u6216\u6d88\u8017\u8be5\u6d41\u3002<\/li>\n<li><strong>\u8fc7\u65e9\u7ec6\u5316<\/strong>\u2014 \u5728\u96f6\u7ea7\u4e0a\u4e0b\u6587\u56fe\u4e2d\u66b4\u9732\u6570\u636e\u5b58\u50a8\uff08\u5b83\u4eec\u4ec5\u5e94\u51fa\u73b0\u5728\u66f4\u4f4e\u5c42\u7ea7\uff09\u3002<\/li>\n<li><strong>\u63a7\u5236\u6d41\u601d\u7ef4<\/strong>\u2014 \u5c06\u5faa\u73af\u6216\u51b3\u7b56\u7b26\u53f7\u653e\u5165\u6570\u636e\u6d41\u56fe\uff1b\u6b64\u7c7b\u5185\u5bb9\u5e94\u4fdd\u7559\u7ed9\u6d41\u7a0b\u56fe\u3002\u6570\u636e\u6d41\u56fe\u5c55\u793a\u7684\u662f\u6570\u636e\uff0c\u800c\u975e\u987a\u5e8f\u3002<\/li>\n<li><strong>\u4e24\u6761\u5e73\u884c\u7bad\u5934<\/strong> \u672c\u5e94\u662f\u4e00\u6761<code data-backticks=\"1\">dir=both<\/code> \u8fb9\u2014\u2014\u9020\u6210\u91cd\u590d\u7ebf\u6761\u7684\u6742\u4e71\u3002<\/li>\n<li><strong>\u6570\u636e\u5b58\u50a8\u8bbf\u95ee\u65b9\u5411\u9519\u8bef<\/strong>\u2014 \u5c06\u6570\u636e\u5b58\u50a8\u6807\u8bb0\u4e3a<em>\u53ea\u8bfb<\/em> \u800c\u5b9e\u9645\u4e0a\u5b83\u88ab\u5199\u5165\uff08\u6216\u53cd\u4e4b\uff09\u3002<\/li>\n<li><strong>\u5c06\u6837\u5f0f\u6a21\u677f\u8bef\u8ba4\u4e3a\u56fe\u8868<\/strong>\u2014 \u5fd8\u8bb0\u58f0\u660e\u8282\u70b9\u548c\u8fb9\u4f1a\u5bfc\u81f4\u751f\u6210\u7a7a\u767d\u56fe\u3002<\/li>\n<\/ol>\n<hr\/>\n<h2>7. \u81ea\u4e0a\u800c\u4e0b\u9a8c\u8bc1\u68c0\u67e5\u6e05\u5355<\/h2>\n<p>\u5728\u5c55\u793a\u56fe\u8868\u4e4b\u524d\uff0c\u8bf7\u68c0\u67e5\uff1a<\/p>\n<ul>\n<li>\u2705 \u6bcf\u4e2a\u8fc7\u7a0b\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u5165\u548c\u4e00\u4e2a\u8f93\u51fa\u3002<\/li>\n<li>\u2705 \u6bcf\u4e2a\u6570\u636e\u6d41\u6807\u7b7e\u90fd\u662f<strong>\u540d\u8bcd<\/strong>\uff08\u5982\u201c\u8ba2\u5355\u8be6\u60c5\u201d\uff09\uff0c\u800c\u4e0d\u662f\u52a8\u8bcd\u3002<\/li>\n<li>\u2705 \u6bcf\u4e2a\u6570\u636e\u5b58\u50a8\u90fd\u66fe\u88ab\u8bfb\u53d6<em>\u548c<\/em>\u5199\u5165\u8fc7\uff08\u9664\u975e\u662f\u660e\u786e\u7684\u5916\u90e8\u53c2\u8003\u6570\u636e\uff09\u3002<\/li>\n<li>\u2705 \u5c42\u7ea7\u8fb9\u754c<strong>\u5e73\u8861<\/strong>\uff1a\u5b50\u5c42\u7ea7\u6d88\u8017\u548c\u4ea7\u751f\u7684\u5185\u5bb9\u5fc5\u987b\u4e0e\u5176\u7236\u5c42\u7ea7\u4ea4\u6362\u7684\u5185\u5bb9\u5b8c\u5168\u4e00\u81f4\u3002<\/li>\n<li>\u2705 \u5916\u90e8\u5b9e\u4f53\u4ec5\u51fa\u73b0\u5728\u8fb9\u754c\u8fb9\u7f18\uff0c\u7edd\u4e0d\u51fa\u73b0\u5728\u8fb9\u754c\u5185\u90e8\u3002<\/li>\n<li>\u2705\u00a0<code data-backticks=\"1\">dir=both<\/code>\u7528\u4e8e\u53cc\u5411\u4ea4\u6362\uff1b\u5426\u5219\u4f7f\u7528\u5355\u5411\u7bad\u5934\u3002<\/li>\n<li>\u2705 \u7c89\u8272\u7236\u8fdb\u7a0b\u5f15\u7528\u6b63\u786e\u663e\u793a\u4e86\u6b63\u5728\u5206\u89e3\u7684\u5c42\u7ea7\u3002<\/li>\n<li>\u2705 \u8be5\u4ee3\u7801\u58f0\u660e\u4e86\u771f\u5b9e\u7684\u8282\u70b9\u3001\u8fb9\u548c\u8fb9\u754c\u2014\u2014\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u6761\u6837\u5f0f\u89c4\u5219\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2>8. \u81ea\u9876\u5411\u4e0b\u5206\u89e3\u8fc7\u7a0b\u603b\u7ed3<\/h2>\n<p>\u81ea\u9876\u5411\u4e0b DFD \u5206\u89e3\u662f\u4ece<strong>\u62bd\u8c61\u5230\u7ec6\u8282\u7684\u65c5\u7a0b<\/strong>:<\/p>\n<ul>\n<li><strong>\u4e0a\u4e0b\u6587\uff08L0\uff09<\/strong>\u2014\u2014\u4e00\u4e2a\u6846\uff0c\u5305\u542b\u6240\u6709\u8fb9\u754c\u548c\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li><strong>\u7cfb\u7edf\uff08L1\uff09<\/strong>\u2014\u2014\u4e3b\u8981\u8fdb\u7a0b\u3001\u5b58\u50a8\u548c\u6570\u636e\u6d41\u6c34\u7ebf\u3002<\/li>\n<li><strong>\u5b50\u56fe\uff08L2\u3001L3\u2026\uff09<\/strong>\u2014\u2014\u9012\u5f52\u5730\u4e00\u6b21\u805a\u7126\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u540c\u65f6\u4fdd\u6301\u7236\u4e0a\u4e0b\u6587\u53ef\u89c1\uff0c\u5e76\u5bf9\u672c\u5730\u5b58\u50a8\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n<\/ul>\n<p>\u6bcf\u4e00\u5c42\u7ea7\u56de\u7b54\u4e0d\u540c\u7684\u95ee\u9898\uff1a<em>L0 \u8be2\u95ee\u201c\u7cfb\u7edf\u7684\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u201d\uff0cL1 \u8be2\u95ee\u201c\u4e3b\u8981\u7684\u6570\u636e\u6d41\u662f\u4ec0\u4e48\uff1f\u201d\uff0cL2+ \u8be2\u95ee\u201c\u8fd9\u4e9b\u6570\u636e\u7a76\u7adf\u662f\u5982\u4f55\u88ab\u8f6c\u6362\u7684\uff1f\u201d<\/em><\/p>\n<p>\u8be5<strong>\u5728\u7ebf\u8ba2\u5355\u6d41\u7a0b<\/strong>\u793a\u4f8b\u5c55\u793a\u4e86\u5b8c\u6574\u7684\u94fe\u6761\uff0c\u5305\u542b<strong>\u5b8c\u6574\u4e14\u53ef\u8fd0\u884c\u7684 Graphviz \u4ee3\u7801<\/strong>\u2014\u2014\u4ece\u5305\u542b 4 \u4e2a\u5b9e\u4f53\u7684<strong>\u4e0a\u4e0b\u6587\u56fe<\/strong>\uff0c\u76f4\u81f3\u4e00\u4e2a\u5305\u542b 4 \u4e2a\u6b65\u9aa4\u7684<strong>\u9a8c\u8bc1\u4f8b\u7a0b<\/strong>\u00a0(<code data-backticks=\"1\">2.2.1 \u2192 2.2.4<\/code>)\u3002\u901a\u8fc7<strong>\u5f52\u5e76\u6570\u5b57<\/strong>,\u00a0<strong>\u5e73\u8861\u6d41\u7a0b<\/strong>\uff0c\u5e76\u9075\u5faa\u4e00\u81f4\u7684<strong>\u989c\u8272\u56fe\u4f8b<\/strong>\uff08\u84dd\u8272\u65b9\u6846\u3001\u7eff\u8272\u5706\u5708\u3001\u9ec4\u8272\u8bb0\u5f55\u3001\u7c89\u8272\u7236\u7ea7\u5f15\u7528\u3001\u7070\u8272\u865a\u7ebf\u8fb9\u754c\uff09\uff0c\u5e76\u4e14\u59cb\u7ec8<strong>\u663e\u5f0f\u58f0\u660e\u6bcf\u4e2a\u8282\u70b9\/\u8fb9<\/strong>\uff0c\u4efb\u4f55\u5927\u578b\u7cfb\u7edf\u90fd\u4fdd\u6301\u53ef\u5bfc\u822a\u4e14\u65e0\u6b67\u4e49\u2014\u2014\u5e76\u4e14\u6bcf\u4e2a\u56fe\u8868\u90fd\u80fd\u5b9e\u9645\u6e32\u67d3\u3002<\/p>\n<h2>9. \u5de5\u5177\uff1a\u4f7f\u7528 Visual Paradigm AI \u6784\u5efa DFD \u81ea\u9876\u5411\u4e0b\u5206\u89e3<\/h2>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/ai-yourdon-demarco-dfd-generator-by-visual-paradigm\/\">Visual Paradigm AI<\/a>\u5c06<a href=\"https:\/\/guides.visual-paradigm.com\/ai-yourdon-coad-dfd-generator-by-visual-paradigm\/\"><strong>AI \u804a\u5929\u673a\u5668\u4eba\u76f4\u63a5\u96c6\u6210\u5230\u5efa\u6a21\u5de5\u5177\u4e2d<\/strong><\/a>\u3002\u65e0\u9700\u624b\u52a8\u7ed8\u5236\u6bcf\u4e00\u5c42\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8bdd\u9a71\u52a8\u6574\u4e2a\u5206\u89e3\u8fc7\u7a0b\uff0c\u7136\u540e\u5fae\u8c03\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u672c\u6307\u5357\u6240\u8ff0\u65b9\u6cd5\u4e2d\u5177\u4f53\u4f7f\u7528\u5b83\u3002<\/p>\n<h3>9.1 DFD \u5de5\u4f5c\u7684\u6838\u5fc3\u529f\u80fd<\/h3>\n<p>\u8be5<a href=\"https:\/\/guides.visual-paradigm.com\/ai-data-flow-diagram-generator-online-shopping\/\">VP AI \u804a\u5929\u673a\u5668\u4eba<\/a>\u662f\u4e00\u4e2a<strong>\u6587\u672c\u4e0e\u4ee3\u7801\u52a9\u624b<\/strong>\uff0c\u901a\u8fc7\u5bf9\u8bdd\u4e0e\u4f60\u534f\u4f5c\u3002\u5bf9\u4e8e DFD \u81ea\u9876\u5411\u4e0b\u5206\u89e3\uff0c\u5b83\u53ef\u4ee5\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u80fd\u529b<\/th>\n<th>\u5b83\u4e3a\u60a8\u505a\u4ec0\u4e48<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u751f\u6210\u56fe\u8868\u4ee3\u7801<\/strong><\/td>\n<td>\u4e3a\u7ed9\u5b9a\u7684\u8fc7\u7a0b\u63cf\u8ff0\u751f\u6210 Graphviz (DOT) \u4ee3\u7801\u2014\u2014\u9010\u5c42\u751f\u6210<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5206\u6790\u9644\u52a0\u56fe\u50cf<\/strong><\/td>\n<td>\u8bfb\u53d6\u60a8\u4e0a\u4f20\u7684\u624b\u7ed8\u6216\u73b0\u6709 DFD \u56fe\u50cf\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u7ed3\u6784\u5316\u6a21\u578b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8fed\u4ee3\u4f18\u5316<\/strong><\/td>\n<td>\u6839\u636e\u60a8\u7684\u53cd\u9988\uff08\u4f8b\u5982\u201c\u653e\u5927\u5230 2.2&#8243;\u3001\u201c\u6dfb\u52a0\u4e0b\u964d\u5206\u652f\u201d\uff09\u91cd\u65b0\u751f\u6210\u56fe\u8868&#8221;<\/td>\n<\/tr>\n<tr>\n<td><strong>\u89e3\u91ca\u542b\u4e49<\/strong><\/td>\n<td>\u9010\u4e00\u8bf4\u660e\u6bcf\u4e2a\u5b9e\u4f53\u3001\u8fc7\u7a0b\u3001\u5b58\u50a8\u548c\u6d41\u7a0b\u7684\u542b\u4e49<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9a8c\u8bc1\u8bed\u6cd5<\/strong><\/td>\n<td>\u5728\u6e32\u67d3\u4e4b\u524d\u68c0\u67e5 DOT \u4ee3\u7801\u7684\u7ed3\u6784\u662f\u5426\u5065\u5168<\/td>\n<\/tr>\n<tr>\n<td><strong>\u751f\u6210\u7b56\u7565\/\u56fe\u8868\u8f93\u51fa<\/strong><\/td>\n<td>\u751f\u6210\u4e0e DFD \u914d\u5957\u7684\u8f85\u52a9\u56fe\u8868\u6216\u6846\u67b6\uff08\u4f8b\u5982\u6cf3\u9053\u56fe\u6216\u7ec4\u7ec7\u4e0a\u4e0b\u6587\u56fe\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udccc\u00a0<strong>\u6ce8\u610f\uff1a<\/strong>Visual Paradigm \u652f\u6301\u591a\u79cd\u7ed8\u56fe\u7b26\u53f7\u3002\u5efa\u8bae\u4f18\u5148\u4f7f\u7528<strong>BPMN<\/strong>\u8fdb\u884c\u9700\u8981\u5f00\u59cb\/\u7ed3\u675f\u4e8b\u4ef6\u3001\u7f51\u5173\u548c\u6cf3\u9053\u7684\u4e1a\u52a1\u6d41\u7a0b\u5efa\u6a21\uff1b\u4f7f\u7528<strong>\u57fa\u4e8e Graphviz \u7684\u6570\u636e\u6d41\u56fe\uff08DFD\uff09<\/strong>\u8fdb\u884c\u672c\u6307\u5357\u4e2d\u6240\u793a\u7684\u4e25\u683c\u6570\u636e\u6d41\u5efa\u6a21\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h3>9.2 \u5b9e\u6218\u5bf9\u8bdd \u2014\u2014 \u5206\u89e3\u5728\u7ebf\u8ba2\u5355\u6d41\u7a0b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u771f\u5b9e\u7684\u804a\u5929\u4f1a\u8bdd\uff0c\u5b83\u590d\u73b0\u4e86\u6211\u4eec\u9010\u6b65\u8bb2\u89e3\u7684\u6b65\u9aa4\u3002\u8bf7\u6ce8\u610f\uff0c\u6bcf\u4e2a\u63d0\u793a\u90fd\u4f1a\u6df1\u5165\u4e00\u4e2a\u5c42\u7ea7\u2014\u2014\u8fd9\u6b63\u662f\u81ea\u9876\u5411\u4e0b\u7684\u65b9\u6cd5\u8bba\u3002<\/p>\n<p><strong>\u63d0\u793a 1 \u2014\u2014 \u542f\u52a8\u4e0a\u4e0b\u6587\u56fe\uff1a<\/strong><\/p>\n<blockquote>\n<p>\u201c\u4e3a\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\u521b\u5efa\u4e00\u4e2a\u4e0a\u4e0b\u6587\u56fe\uff080 \u7ea7\uff09\u3002\u5916\u90e8\u5b9e\u4f53\uff1a\u5ba2\u6237\u3001\u652f\u4ed8\u7f51\u5173\u3001\u4ed3\u5e93\u3001\u5feb\u9012\u5458\u3002\u201d<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/ai-data-flow-diagram-generator-online-shopping\/\"><strong>VP AI \u54cd\u5e94<\/strong><\/a>\u751f\u6210\u4e00\u4e2a 0 \u7ea7\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u2014\u2014\u5305\u542b\u4e00\u4e2a\u4e2d\u5fc3\u5904\u7406\u8fc7\u7a0b\u3001\u56db\u4e2a\u5916\u90e8\u5b9e\u4f53\u53ca\u5176\u6570\u636e\u6d41\u2014\u2014\u60a8\u5c06\u5176\u7ed8\u5236\u5728\u56fe\u4e2d\u3002<\/p>\n<p><strong>\u63d0\u793a 2 \u2014\u2014 \u589e\u52a0\u8be6\u7ec6\u5c42\u7ea7\uff1a<\/strong><\/p>\n<blockquote>\n<p>\u201c\u73b0\u5728\u5c06\u5176\u5206\u89e3\u4e3a 1 \u7ea7\u6570\u636e\u6d41\u56fe\uff0c\u5305\u542b\u4ee5\u4e0b\u5904\u7406\u8fc7\u7a0b\uff1a1.0 \u4e0b\u8ba2\u5355\u30012.0 \u5904\u7406\u652f\u4ed8\u30013.0 \u786e\u8ba4\u5e93\u5b58\u30014.0 \u53d1\u8d27\u3002\u6dfb\u52a0\u8ba2\u5355\u3001\u4ea7\u54c1\u5e93\u5b58\u548c\u53d1\u8d27\u7684\u6570\u636e\u5b58\u50a8\u3002\u201d<\/p>\n<\/blockquote>\n<p><strong>VP AI \u8fd4\u56de<\/strong>\u5e26\u6709\u6309\u987a\u5e8f\u94fe\u63a5\u7684\u6d41\u7a0b\u3001\u9644\u52a0\u7684\u5b58\u50a8\u4ee5\u53ca\u4fdd\u7559\u7684\u5916\u90e8\u5b9e\u4f53\u6d41\u7a0b\u7684 1 \u7ea7\u56fe\u2014\u2014\u5373\u60a8\u5728\u6307\u5357\u7b2c 2 \u6b65\u4e2d\u770b\u5230\u7684\u6d41\u6c34\u7ebf\u3002<\/p>\n<p><strong>\u63d0\u793a 3\u2014\u2014\u805a\u7126\u5230\u4e00\u4e2a\u6d41\u7a0b\uff1a<\/strong><\/p>\n<blockquote>\n<p>\u201c\u805a\u7126\u5230 2.0 \u652f\u4ed8\u6d41\u7a0b\u3002\u521b\u5efa\u4e00\u4e2a 2 \u7ea7\u5b50\u56fe\uff0c\u5305\u542b 2.1 \u8ba1\u7b97\u603b\u989d\u30012.2 \u9a8c\u8bc1\u652f\u4ed8\u30012.3 \u6388\u6743\u652f\u4ed8\u30012.4 \u786e\u8ba4\u8ba2\u5355\u3002\u4fdd\u7559 1.0 \u548c 3.0 \u4f5c\u4e3a\u7236\u7ea7\u5f15\u7528\u3002\u201d<\/p>\n<\/blockquote>\n<p><strong>VP AI \u751f\u6210<\/strong>2 \u7ea7\u5b50\u56fe\uff1a\u5b50\u6d41\u7a0b\u3001\u672c\u5730\u5b58\u50a8\uff08D1\u2013D4\uff09\u3001\u652f\u4ed8\u7f51\u5173\u4ea4\u4e92\uff0c\u4ee5\u53ca 1.0 \u548c 3.0 \u7684\u7c89\u8272\u7236\u7ea7\u5f15\u7528\u2014\u2014\u4e0e\u7b2c 3 \u6b65\u4e00\u81f4\u3002<\/p>\n<p><strong>\u63d0\u793a 4\u2014\u2014\u518d\u6b21\u4e0b\u94bb\uff1a<\/strong><\/p>\n<blockquote>\n<p>\u201c\u5c06 2.2 \u9a8c\u8bc1\u652f\u4ed8\u4e0b\u94bb\u4e3a 3 \u7ea7\u56fe\uff1a2.2.1 \u9a8c\u8bc1\u5361\u7247\u30012.2.2 \u68c0\u67e5\u6b3a\u8bc8\u30012.2.3 \u9a8c\u8bc1\u4fc3\u9500\u30012.2.4 \u8ba1\u7b97\u6700\u7ec8\u91d1\u989d\u3002\u6dfb\u52a0\u5361\u7247\u6ce8\u518c\u3001\u6b3a\u8bc8\u89c4\u5219\u3001\u4fc3\u9500\u548c\u8d2d\u7269\u8f66\u9879\u7684\u5b58\u50a8\u3002\u201d<\/p>\n<\/blockquote>\n<p><strong>VP AI \u751f\u6210<\/strong>3 \u7ea7\u53f6\u56fe\uff0c\u5305\u542b\u6247\u5165\u8ba1\u7b97\uff082.2.4\uff09\u4ee5\u53ca\u5e76\u884c\u7684\u6b3a\u8bc8\/\u4fc3\u9500\u5206\u652f\u2014\u2014\u5b8c\u5168\u7b26\u5408\u7b2c 4 \u6b65\u3002<\/p>\n<p><strong>\u63d0\u793a 5\u2014\u2014\u6dfb\u52a0\u5f02\u5e38\u5904\u7406\uff1a<\/strong><\/p>\n<blockquote>\n<p>\u201c\u6dfb\u52a0\u5931\u8d25\u8def\u5f84\uff1a\u5982\u679c 2.2.2 \u68c0\u67e5\u6b3a\u8bc8\u6807\u8bb0\u4e86\u8be5\u4ea4\u6613\uff0c\u5219\u8def\u7531\u5230\u53d6\u6d88\u901a\u77e5\u6d41\u7a0b\u5e76\u8fd4\u56de\u7ed9\u987e\u5ba2\u3002\u201d<\/p>\n<\/blockquote>\n<p><strong>VP AI \u4f18\u5316<\/strong>\u8be5\u56fe\uff0c\u6dfb\u52a0\u62d2\u7edd\u5206\u652f\u5e76\u81ea\u52a8\u91cd\u65b0\u5e73\u8861\u6d41\u7a0b\u3002<\/p>\n<hr\/>\n<h3>9.3 \u6709\u6548\u7684\u63d0\u793a\u6a21\u5f0f<\/h3>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u6a21\u5f0f\u4ee5\u83b7\u5f97\u53ef\u9760\u4e14\u7b26\u5408\u65b9\u6cd5\u8bba\u7684\u7ed3\u679c\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u76ee\u6807<\/th>\n<th>\u793a\u4f8b\u63d0\u793a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5411\u4e0b\u4e00\u5c42\u5206\u89e3<\/strong><\/td>\n<td>\u201c\u653e\u5927\u81f3<strong>3.0 \u786e\u8ba4\u5e93\u5b58<\/strong>\u4f5c\u4e3a\u4e8c\u7ea7\u5b50\u56fe\u3002\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6307\u5b9a\u7f16\u53f7<\/strong><\/td>\n<td>\u201c\u4f7f\u7528\u5e26\u7f16\u53f7\u7684\u6d41\u7a0b<strong>2.1<\/strong>,\u00a0<strong>2.2<\/strong>,\u00a0<strong>2.3<\/strong>.\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4fdd\u7559\u7236\u7ea7\u4e0a\u4e0b\u6587<\/strong><\/td>\n<td>\u201c\u4fdd\u7559 <strong>1.0<\/strong> \u548c <strong>3.0<\/strong> \u4f5c\u4e3a\u8fb9\u754c\u5904\u7684\u7236\u5f15\u7528\u3002\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6dfb\u52a0\u6570\u636e\u5b58\u50a8<\/strong><\/td>\n<td>\u201c\u5305\u542b\u5b58\u50a8\uff1a <strong>D1 \u8d2d\u7269\u8f66\u9879<\/strong>,\u00a0<strong>D2 \u4fc3\u9500\u6d3b\u52a8<\/strong>.\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u663e\u793a\u53cc\u5411\u6d41<\/strong><\/td>\n<td>\u201c\u4f7f\u7528 <strong>dir=both<\/strong> \u7528\u4e8e\u8fdb\u7a0b\u4e0e\u5b58\u50a8\u4e4b\u95f4\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5e73\u8861\u5c42\u7ea7<\/strong><\/td>\n<td>\u201c\u786e\u4fdd\u8f93\u5165\u548c\u8f93\u51fa\u4e0e\u7236\u5c42\u7ea7\u76f8\u5339\u914d\u3002\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6dfb\u52a0\u5931\u8d25\u8def\u5f84<\/strong><\/td>\n<td>\u201c\u5f53<strong>\u652f\u4ed8\u88ab\u62d2\u7edd\u65f6<\/strong>.\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9650\u5236\u6df1\u5ea6<\/strong><\/td>\n<td>\u201c\u505c\u7559\u5728\u57fa\u672c\u8fc7\u7a0b\u2014\u2014\u5373\u5355\u4e00\u3001\u53ef\u6267\u884c\u7684\u64cd\u4f5c\u3002\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h3>9.4 \u4e0a\u4f20\u56fe\u7247\u8fdb\u884c\u5206\u6790<\/h3>\n<p>\u5982\u679c\u60a8\u5df2\u6709\u624b\u7ed8\u6216\u9057\u7559\u7684\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u5e76\u5e0c\u671b\u5c06\u5176\u6570\u5b57\u5316\uff1a<\/p>\n<ol>\n<li><strong>\u9644\u52a0\u56fe\u50cf<\/strong>\u5230\u804a\u5929\u4e2d\uff08\u73b0\u6709 DFD \u7684\u622a\u56fe\u3001\u7167\u7247\u6216\u5bfc\u51fa\u6587\u4ef6\uff09\u3002<\/li>\n<li>\u63d0\u95ee\uff1a<em>\u201c\u5206\u6790\u6b64 DFD \u56fe\u50cf\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6211\u53ef\u7f16\u8f91\u7684\u7ed3\u6784\u5316\u6a21\u578b\u3002\u201d<\/em><\/li>\n<li><strong>VP AI \u68c0\u67e5\u56fe\u50cf<\/strong>\uff08\u8bfb\u53d6\u5f62\u72b6\u3001\u6807\u7b7e\u548c\u7bad\u5934\uff09\u5e76\u5c06\u5b9e\u4f53\u3001\u6d41\u7a0b\u3001\u5b58\u50a8\u548c\u6d41\u91cd\u6784\u4e3a\u53ef\u7f16\u8f91\u7684\u56fe\u8868\u3002<\/li>\n<\/ol>\n<blockquote>\n<p>\ud83d\udccc AI \u8bfb\u53d6\u56fe\u50cf\u7684<em>\u5185\u5bb9<\/em>\u2014\u2014\u77e9\u5f62\u3001\u5706\u5f62\u3001\u8bb0\u5f55\u53ca\u5176\u6807\u7b7e\u2014\u2014\u5e76\u4ee5\u6b63\u786e\u7684\u7b26\u53f7\u8868\u793a\u6cd5\u91cd\u73b0\u5b83\u4eec\u3002\u8fd9\u662f\u4ece\u7c97\u7565\u8349\u56fe\u5230\u6e05\u6670\u5206\u5c42\u6a21\u578b\u7684\u5feb\u901f\u8def\u5f84\uff0c\u968f\u540e\u53ef\u8fdb\u4e00\u6b65\u5206\u89e3\u8be5\u6a21\u578b\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h3>9.5 \u901a\u8fc7\u5de5\u4ef6\u5de5\u4f5c\u6d41\u8fdb\u884c\u8fed\u4ee3<\/h3>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/ai-data-flow-diagram-generator-online-shopping\/\">VP AI<\/a>\u5c06\u6bcf\u4e2a\u751f\u6210\u7684\u56fe\u8868\u5b58\u50a8\u4e3a<strong>\u5de5\u4ef6<\/strong>\uff0c\u4f9b\u60a8\u5728\u7ec6\u5316\u8fc7\u7a0b\u4e2d\u5f15\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u201c\u7ec6\u5316 Level-2 \u5de5\u4ef6\uff0c\u4ee5\u6dfb\u52a0\u6b3a\u8bc8\u62d2\u7edd\u5206\u652f\u3002\u201d<\/strong>\u2014\u2014\u9488\u5bf9<em>\u7279\u5b9a\u5df2\u751f\u6210\u7684\u56fe\u8868<\/em>\uff0c\u800c\u975e\u4ece\u5934\u91cd\u65b0\u751f\u6210\u3002<\/li>\n<li><strong>\u201c\u91cd\u65b0\u751f\u6210\u4e0a\u4e0b\u6587\u56fe\uff0c\u4f46\u79fb\u9664\u4ed3\u5e93\u5b9e\u4f53\u3002\u201d<\/strong>\u2014\u2014\u5f53\u8303\u56f4\u53d1\u751f\u53d8\u5316\u65f6\u66ff\u6362\u5de5\u4ef6\u3002<\/li>\n<li><strong>\u201c\u6bd4\u8f83 Level-2 \u548c Level-3 \u5de5\u4ef6\u4ee5\u5b9e\u73b0\u5e73\u8861\u3002\u201d<\/strong>\u2014\u2014\u4ea4\u53c9\u68c0\u67e5\u7236\u7ea7\/\u5b50\u7ea7\u6d41\u7a0b\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u5de5\u4ef6\u4fdd\u7559\u4e86\u5bf9\u8bdd\u72b6\u6001\uff0c\u60a8\u53ef\u4ee5\u5728\u4e0d\u4e22\u5931\u5148\u524d\u51b3\u7b56\u7684\u60c5\u51b5\u4e0b\u9010\u5c42\u8fdb\u884c\u7ec6\u5316\u2014\u2014\u8fd9\u6b63\u662f\u81ea\u4e0a\u800c\u4e0b\u5206\u89e3\u7684\u7cbe\u9ad3\u3002<\/p>\n<hr\/>\n<h3>9.6 \u63a8\u8350\u5de5\u4f5c\u6d41\u7a0b\u68c0\u67e5\u6e05\u5355<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u9636\u6bb5<\/th>\n<th>\u64cd\u4f5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.\u00a0<strong>\u811a\u624b\u67b6<\/strong><\/td>\n<td>\u9996\u5148\u63d0\u793a\u751f\u6210\u4e0a\u4e0b\u6587\u56fe\uff08Level 0\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td>2.\u00a0<strong>\u5efa\u7acb Level 1<\/strong><\/td>\n<td>\u8bf7\u6c42\u5305\u542b\u6570\u636e\u5b58\u50a8\u548c\u8fb9\u754c\u7684\u91cd\u5927\u8fc7\u7a0b\u5206\u89e3\u3002<\/td>\n<\/tr>\n<tr>\n<td>3.\u00a0<strong>\u5411\u4e0b\u94bb\u53d6<\/strong><\/td>\n<td>\u4e00\u6b21\u805a\u7126\u4e00\u4e2a\u8fc7\u7a0b\uff1b\u4fdd\u7559\u7236\u7ea7\u5f15\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td>4.\u00a0<strong>\u4f18\u5316<\/strong><\/td>\n<td>\u8bf7\u6c42\u5f02\u5e38\u8def\u5f84\u3001\u5e73\u8861\u4fee\u590d\u65b9\u6848\u5e76\u5b58\u50a8\u4fee\u6b63\u5185\u5bb9\u3002<\/td>\n<\/tr>\n<tr>\n<td>5.\u00a0<strong>\u9a8c\u8bc1<\/strong><\/td>\n<td>\u8ba9 AI \u68c0\u67e5 DOT \u8bed\u6cd5\uff1b\u5e76\u67e5\u9605\u7b2c 7 \u8282\u4e2d\u7684\u68c0\u67e5\u6e05\u5355\u3002<\/td>\n<\/tr>\n<tr>\n<td>6.\u00a0<strong>\u6587\u6863\u5316<\/strong><\/td>\n<td>\u8bf7\u6c42\u4e3a\u6bcf\u4e2a\u5c42\u7ea7\u9644\u4e0a\u89e3\u91ca\u6027\u53d9\u8ff0\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h3>9.7 \u793a\u4f8b\u8f93\u51fa \u2014 \u8bf7\u6c42 VP AI \u751f\u6210\u7b2c 1 \u7ea7\u4ee3\u7801<\/h3>\n<p>\u804a\u5929\u673a\u5668\u4eba\u9488\u5bf9\u201c<strong>\u7b2c 2 \u6b65\u5206\u89e3\u201d<\/strong>\u7684\u5178\u578b\u54cd\u5e94\u5c06\u662f\u201c<strong>\u60a8\u4e4b\u524d\u770b\u5230\u7684\u5b8c\u6574\u4e14\u53ef\u8fd0\u884c\u7684 DOT \u4ee3\u7801\u201d<\/strong>:<\/p>\n<p id=\"LTBuxyE\"><img alt=\"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\u7b2c 1 \u5c42\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\uff0c\u5c55\u793a\u5ba2\u6237\u3001\u652f\u4ed8\u7f51\u5173\u3001\u4ed3\u5e93\u548c\u5feb\u9012\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\" class=\"alignnone size-full wp-image-19612\" decoding=\"async\" height=\"431\" loading=\"lazy\" sizes=\"auto, (max-width: 1436px) 100vw, 1436px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70315813dcf.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70315813dcf.png 1436w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70315813dcf-300x90.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70315813dcf-1024x307.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70315813dcf-768x231.png 768w\" width=\"1436\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">DOT<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">DOT<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNqdVVtrE0EYfRf8D8MKPm3bZJNgSqhQk6w+CBb74EMpMslOksXNbJjdWKMWGu+oRaVahHotpS2CSb1WEtQ\/k91N\/oUze52N1tvsQ3Zmzvnm+853ZqOoVQIbNVCQC+DK4UOADm9hwZuwQSC+oKgEzIDTZ0VgNDQVI4POTNJEItAvIqLBBp1XoGYgMeJhXUEGYjuJyYzohgmmWQ5W0bGJYR3RDeEU0i4iUy1DcZaoUBMNiI0JAxG1Iogu0FAvM2BS4gJosIQ0xrae7Tq978POprX6xNq64Ty85XzoO\/2XYAIMvqw4vR3BIy16Pyw\/sPB\/5ydF0EB4SVXMGptOZoKgSKn+b9BpriY6yrqmM9GFIxl3UDAkRF\/y0VREdqZHmZoC1tb66Pqu1Xkx+LrG12fUYIPhS\/ol2jyzpbk5VVRNQwo7n75EJxWTckYu0uVoKSFls4Wk4JeXbxqmXkckB+Zgq46weRKaaAm2cuAcJKimNw2UA3m9SVSKCbIzmiXPVGWN0hE5P9+iP\/UTehMrkLQC4\/1VL4XcPzsnTgg6mI6Wo2KPZdjDMULBFGjUkCISljMVLkKUqhFdnmUPt1mHpKpiuiclAjF+7kxZJWUN\/UVzsnKmOC3EXRJLP5XNFlN5l3gJKX6l3jWNrJpajALMJcGCK\/mMkJxM4MGXe5jqLSxyIs9JIUSiEK8X2H7cHfSfxoGpEJiiQOd1Z9jZwlZvzXo7BkyHwDSL+OARHn7ccSEHSURQWSfKnyWSZXk6n\/6dRPKJfEIqjEnkfrk4Wc4QBZHCPHsNMr0CCklwFXiGBMvxgoiuNMsmI3BwicIHvR1rre2LMMaar6mNhoqrlMaxUpRFFaGCcPBl7p7bT\/bs1Y79qR2\/kGDiON9NP8+jVNlt+87+sLttX78ZxqNACg+pcZLfuQgsubFj1z2keD7Aw+6+\/e5aRImDGV0apzh3P9sr7ZASfj5cdGQlTzpqkq7zeDdE+18YFxu5aXRzdbTSDiKLgP5pzZR0sxY5yyucS8Yv2V7pjzafj5fMZbH\/3i3TRUew1FgCFDZ6c3\/YbfNI\/uTAWCHhzobV7x0QN3RVqNzGR3t9L7hS8fr8i0V5v\/CVf4znq\/CYIJl4qb4iY47hgo6V7MbE9qvbzttvLnz5B2Wqxx0=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-dot\"><code class=\"language-dot\" data-language=\"dot\" class=\"language-dot\">digraph DFD {\r\n    graph [\r\n        rankdir = LR, splines = true, overlap = false,\r\n        nodesep = 0.5, ranksep = 0.8,\r\n        fontname = \"Helvetica,Arial,sans-serif\", fontsize = 12,\r\n        label = \"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf - \u4e00\u7ea7\"\r\n    ]\r\n    node [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 11, penwidth = 1.5 ]\r\n    edge [ fontname = \"Helvetica,Arial,sans-serif\", fontsize = 9,\r\n           color = \"#555555\", arrowsize = 0.8 ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    Customer; PaymentGateway; Warehouse; Courier;\r\n\r\n    subgraph cluster_SystemBoundary {\r\n        label = \"\u5728\u7ebf\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\";\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 14\r\n        color = \"#757575\"\r\n        style = \"dashed,rounded\"\r\n        bgcolor = \"#FAFAFA\"\r\n        margin = 20\r\n\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\",\r\n              color = \"#388E3C\", fixedsize = true, width = 1.3]\r\n        P1 [label=\"1.0n\u4e0bn\u5355\"];\r\n        P2 [label=\"2.0n\u5904\u7406n\u652f\u4ed8\"];\r\n        P3 [label=\"3.0n\u786e\u8ba4n\u5e93\u5b58\"];\r\n        P4 [label=\"4.0n\u53d1n\u8d27\"];\r\n\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\",\r\n              color = \"#FBC02D\", fixedsize = false]\r\n        OrderDS    [label=\"{ D1 | \u8ba2\u5355 }\"];\r\n        ProductDS  [label=\"{ D2 | \u4ea7\u54c1n\u5e93\u5b58 }\"];\r\n        ShippingDS [label=\"{ D3 | \u53d1\u8d27 }\"];\r\n    }\r\n\r\n    \/\/ \u6570\u636e\u6d41\r\n    Customer -&gt; P1 [label=\"\u8ba2\u5355 &amp;n\u8d26\u6237\u8be6\u60c5\"];\r\n    P1 -&gt; Customer [label=\"\u8ba2\u5355n\u786e\u8ba4\"];\r\n    P2 -&gt; PaymentGateway [label=\"\u652f\u4ed8n\u8bf7\u6c42\"];\r\n    PaymentGateway -&gt; P2 [label=\"\u652f\u4ed8n\u72b6\u6001\"];\r\n    Warehouse -&gt; P3 [label=\"\u5e93\u5b58n\u53ef\u7528\"];\r\n    Courier -&gt; P4 [label=\"\u914d\u9001n\u72b6\u6001\", dir=both];\r\n\r\n    P1 -&gt; P2 [label=\"\u8ba2\u5355n\u603b\u989d\"];\r\n    P2 -&gt; P3 [label=\"\u5df2\u4ed8n\u8ba2\u5355\"];\r\n    P3 -&gt; P4 [label=\"\u5df2\u9a8c\u8bc1n\u8ba2\u5355\"];\r\n\r\n    P1 -&gt; OrderDS [label=\"\u521b\u5efan\u8ba2\u5355\"];\r\n    P3 -&gt; ProductDS [label=\"\u66f4\u65b0n\u5e93\u5b58\", dir=both];\r\n    P4 -&gt; ShippingDS [label=\"\u521b\u5efan\u53d1\u8d27\"];\r\n    OrderDS -&gt; P3 [label=\"\u8ba2\u5355n\u8be6\u60c5\"];\r\n    ShippingDS -&gt; P4 [label=\"\u53d1\u8d27n\u6807\u7b7e\"];\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit DOT in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNqdVV1v2jAUfZ+0\/2Bl0p7SlgTQqFAntYRskyoVlX08lGoy8QWsGpvZDi3r+t9nO18OXbeu4YHYPuf63nOPHUKXEm9WKEkTdP\/6FTJPMXFVDOwjMb8hVKITdH4ZIrVhlIMyIy1zCJHYgmR4Y8YLzBSEDY8LAgrsSuewH7ow1XDgwRaCa47XYBaCj8C2oGmGw1NJMQsV5upAgaSLIHRARX9aYBR7ARieA7PsC25TQxeSgEQTKTJQCk13SsMaHaBz2BpYFBTE6+LP5oiuXpZDFKIN8FtK9MoOD\/tVUCDLlwY99uoyTyaYsMIHb\/ruMWAspbgt0UZIu2dBOTpC4zsNkmOGxlxTTUH5RaoV3ljSXNyZLuodc4ktKGNAbBLmpdluHKX9dGymm6lOPBgkUVDWOMqVFmuQQzTBuzVw\/QFruMW7IfqGJaxErmCIRiKX1GCqFFU+L9yVMUMH+b1ozpnIOcFyVznwuU0Nhv\/tojah6mSvmW7qfde3P49Ra0awWgEJpU3baNcg5suGnp7an7e4xnJJuVmLO5Uej5uTUZkxeEZ\/Bml\/fBy03dJKvzsYjLsjR7wDUlZaHNnGst3rJsAkQldO9ZMgOuzM+IThDGbcCR9ce1JP4hoYO2DRFPNSOKEN7tbgrgWPBF9QuZ7xT3xrsELu2vBeDe9Z+HRFN34OT+kmIROS\/Fu3NE2PR72\/6ZaejTpxsqebu9o8rVxCydS+VuneoyRCv4oVhR7aVUlB8kxbggePDbxc8eTYo1oBNpQvDdejdg3Vrli5\/c0evMsgZeaeaB9WdPDeb3Nxpt7O+GmWGS9rlIDGlKk6nMEaRs1u8epWYk0Fbyix26R1J9TEcnrGL+FHDqpxyh7eRogfs6Ya67zJrr5oHL7x2VSL7MYUtTW14DmDmlBeRw7e+CwBRs03bFfHD5H52p3MhV41jiuU8JIqNfgsNGb7xXe91CnZP0JmuZ3AV3szUSCPfV7sWpmtwo8kGJ2eCFs7rUJ\/2RCHdqrs1VaeOMP7g82qbSqf1TtV+bRLLQXZt5AXuF11FXbGz+2EIzz8BlZ7ecE=\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 DOT<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p>\u5c06\u5176\u7c98\u8d34\u5230 VP \u56fe\u4e2d\uff0c\u5373\u53ef\u5f97\u5230\u7ed3\u6784\u5b8c\u6574\u7684\u4e00\u7ea7\u6a21\u578b\u2014\u2014\u51c6\u5907\u597d\u5728\u4e0b\u4e00\u4e2a\u63d0\u793a\u4e2d\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u89e3\u3002<\/p>\n<hr\/>\n<h2>10. \u603b\u7ed3<\/h2>\n<p>\u81ea\u9876\u5411\u4e0b\u7684 DFD \u5206\u89e3\u662f\u4e00\u4e2a\u4ece<strong>\u62bd\u8c61\u5230\u7ec6\u8282\u7684\u65c5\u7a0b<\/strong>:<\/p>\n<ul>\n<li><strong>\u4e0a\u4e0b\u6587\uff08L0\uff09<\/strong>\u2014\u2014\u4e00\u4e2a\u6846\uff0c\u5305\u542b\u6240\u6709\u8fb9\u754c\u548c\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li><strong>\u7cfb\u7edf\uff08L1\uff09<\/strong> \u2014 \u4e3b\u8981\u6d41\u7a0b\u3001\u5b58\u50a8\u548c\u6570\u636e\u7ba1\u9053\u3002<\/li>\n<li><strong>\u5b50\u56fe\uff08L2\u3001L3\u2026\uff09<\/strong> \u2014 \u9012\u5f52\u5730\u4e00\u6b21\u805a\u7126\u4e00\u4e2a\u6d41\u7a0b\uff0c\u540c\u65f6\u4fdd\u6301\u7236\u7ea7\u4e0a\u4e0b\u6587\u53ef\u89c1\uff0c\u5e76\u5bf9\u672c\u5730\u5b58\u50a8\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n<\/ul>\n<p>\u6bcf\u4e00\u5c42\u7ea7\u56de\u7b54\u4e0d\u540c\u7684\u95ee\u9898\uff1a<em>L0 \u8be2\u95ee\u201c\u7cfb\u7edf\u7684\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u201d\uff0cL1 \u8be2\u95ee\u201c\u4e3b\u8981\u7684\u6570\u636e\u6d41\u6709\u54ea\u4e9b\uff1f\u201d\uff0cL2+ 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