{"id":11503,"date":"2026-07-08T11:44:22","date_gmt":"2026-07-08T03:44:22","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/comprehensive-guide-to-dfd-logical-vs-physical-with-graphviz-examples\/"},"modified":"2026-09-03T23:27:12","modified_gmt":"2026-09-03T15:27:12","slug":"comprehensive-guide-to-dfd-logical-vs-physical-with-graphviz-examples","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/comprehensive-guide-to-dfd-logical-vs-physical-with-graphviz-examples\/","title":{"rendered":"DFD\u5168\u9762\u6307\u5357\uff1a\u903b\u8f91\u4e0e\u7269\u7406\u5bf9\u6bd4\u53caGraphviz\u793a\u4f8b"},"content":{"rendered":"<p><iframe allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" class=\"__youtube_prefs__ epyt-is-override no-lazyload\" data-no-lazy=\"1\" data-origheight=\"456\" data-origwidth=\"810\" data-skipgform_ajax_framebjll=\"\" height=\"456\" id=\"_ytid_25837\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/OOPBmkcdJKo?enablejsapi=1&amp;autoplay=0&amp;cc_load_policy=0&amp;cc_lang_pref=&amp;iv_load_policy=1&amp;loop=0&amp;modestbranding=0&amp;rel=1&amp;fs=1&amp;playsinline=0&amp;autohide=2&amp;theme=dark&amp;color=red&amp;controls=1&amp;\" title=\"YouTube player\" width=\"810\"><\/iframe><\/p>\n<h2>1. \u6570\u636e\u6d41\u56fe\u7b80\u4ecb<\/h2>\n<p>\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u662f\u4fe1\u606f\u7cfb\u7edf\u4e2d\u6570\u636e\u6d41\u52a8\u60c5\u51b5\u7684\u56fe\u5f62\u5316\u8868\u793a\u3002\u5b83\u5c55\u793a\u4e86\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u7684\u6765\u6e90\u548c\u53bb\u5411<\/li>\n<li>\u6570\u636e\u5982\u4f55\u88ab\u5904\u7406<\/li>\n<li>\u6570\u636e\u5b58\u50a8\u7684\u4f4d\u7f6e<\/li>\n<li>\u4e0e\u7cfb\u7edf\u4ea4\u4e92\u7684\u4eba\u5458\u6216\u5b9e\u4f53<\/li>\n<\/ul>\n<p id=\"EcYDADG\"><img alt=\"\u5bf9\u6bd4\u4fe1\u606f\u56fe\uff0c\u5c55\u793a\u903b\u8f91\u4e0e\u7269\u7406\u6570\u636e\u6d41\u56fe\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\" class=\"alignnone size-full wp-image-19316\" decoding=\"async\" height=\"572\" loading=\"lazy\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc7473f087.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc7473f087.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc7473f087-300x168.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc7473f087-768x429.png 768w\" width=\"1024\"\/><\/p>\n<hr\/>\n<h2>2. \u6838\u5fc3\u6982\u5ff5<\/h2>\n<h3>\u6838\u5fc3\u5143\u7d20<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5143\u7d20<\/th>\n<th>\u7b26\u53f7<\/th>\n<th>\u7528\u9014<\/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>\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\u7684\u4eba\u5458\u3001\u7ec4\u7ec7\u6216\u7cfb\u7edf<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5904\u7406<\/strong><\/td>\n<td>\u5706\u5f62\/\u692d\u5706\u5f62<\/td>\n<td>\u5c06\u8f93\u5165\u6570\u636e\u8f6c\u6362\u4e3a\u8f93\u51fa\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u5b58\u50a8<\/strong><\/td>\n<td>\u5f00\u53e3\u77e9\u5f62<\/td>\n<td>\u6301\u4e45\u6570\u636e\u5b58\u50a8\u5e93<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u6d41<\/strong><\/td>\n<td>\u7bad\u5934<\/td>\n<td>\u663e\u793a\u6570\u636e\u79fb\u52a8\u7684\u65b9\u5411<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>DFD\u5c42\u7ea7<\/h3>\n<ol>\n<li><strong>\u4e0a\u4e0b\u6587\u56fe\uff08\u7b2c0\u5c42\uff09<\/strong>: \u6700\u9ad8\u5c42\uff0c\u663e\u793a\u7cfb\u7edf\u8fb9\u754c\u548c\u4e3b\u8981\u5916\u90e8\u5b9e\u4f53<\/li>\n<li><strong>\u7b2c1\u5c42<\/strong>: \u5c06\u4e3b\u8981\u8fc7\u7a0b\u5206\u89e3\u4e3a\u4e3b\u8981\u5b50\u8fc7\u7a0b<\/li>\n<li><strong>\u7b2c2\u5c42\u53ca\u4ee5\u4e0a<\/strong>: \u8fdb\u4e00\u6b65\u5206\u89e3\uff0c\u5c55\u793a\u8be6\u7ec6\u8fc7\u7a0b<\/li>\n<\/ol>\n<hr\/>\n<h2>3. \u903b\u8f91DFD\u4e0e\u7269\u7406DFD<\/h2>\n<h3>\u903b\u8f91DFD<\/h3>\n<p id=\"yFElbTX\"><img alt=\"\u903b\u8f91DFD\u56fe\uff0c\u5c55\u793a\u4e0e\u786c\u4ef6\u6216\u8f6f\u4ef6\u9650\u5236\u65e0\u5173\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u6d3b\u52a8\u3002\" class=\"alignnone size-full wp-image-19327\" decoding=\"async\" height=\"627\" loading=\"lazy\" sizes=\"auto, (max-width: 627px) 100vw, 627px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28ba4cd22.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28ba4cd22.png 627w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28ba4cd22-300x300.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28ba4cd22-150x150.png 150w\" width=\"627\"\/><\/p>\n<p>\u4e00\u4e2a<strong>\u903b\u8f91DFD<\/strong>\uff08\u4e5f\u79f0\u4e3a\u201c\u57fa\u672c\u6a21\u578b\u201d\uff09\u5173\u6ce8\uff1a<\/p>\n<ul>\n<li><strong>\u505a\u4ec0\u4e48<\/strong>\u7cfb\u7edf\u6240\u6267\u884c\u7684\u529f\u80fd<\/li>\n<li>\u4e1a\u52a1\u6d3b\u52a8\u548c\u4fe1\u606f\u9700\u6c42<\/li>\n<li>\u4e0e\u5b9e\u73b0\u6280\u672f\u65e0\u5173<\/li>\n<\/ul>\n<p><strong>\u7279\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c55\u793a\u4e1a\u52a1\u64cd\u4f5c\u548c\u6d41\u7a0b<\/li>\n<li>\u4e0d\u5305\u542b\u7279\u5b9a\u6280\u672f\u7ec6\u8282<\/li>\n<li>\u66f4\u62bd\u8c61\u4e14\u4ee5\u7528\u6237\u4e3a\u4e2d\u5fc3<\/li>\n<li>\u6709\u52a9\u4e8e\u7406\u89e3\u4e1a\u52a1\u9700\u6c42<\/li>\n<\/ul>\n<h3>\u7269\u7406\u6570\u636e\u6d41\u56fe<\/h3>\n<p id=\"vTzCKpc\"><img alt=\"\u5c55\u793a\u7269\u7406DFD\u7ec4\u4ef6\u7684\u56fe\u793a\uff1a\u786c\u4ef6\u3001\u8f6f\u4ef6\u3001\u4eba\u5458\u548c\u6280\u672f\u9650\u5236\u3002\" class=\"alignnone size-full wp-image-19328\" decoding=\"async\" height=\"626\" loading=\"lazy\" sizes=\"auto, (max-width: 626px) 100vw, 626px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28c904788.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28c904788.png 626w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28c904788-300x300.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4e28c904788-150x150.png 150w\" width=\"626\"\/><\/p>\n<p>A\u00a0<strong>\u7269\u7406\u6570\u636e\u6d41\u56fe<\/strong>\uff08\u4e5f\u79f0\u4e3a\u201c\u5b9e\u73b0\u6a21\u578b\u201d\uff09\u5173\u6ce8\uff1a<\/p>\n<ul>\n<li><strong>\u5982\u4f55<\/strong>\u7cfb\u7edf\u5c06\u5982\u4f55\u5b9e\u73b0<\/li>\n<li>\u6280\u672f\u7ec6\u8282\u548c\u7ea6\u675f<\/li>\n<li>\u7279\u5b9a\u7684\u6280\u672f\u548c\u7cfb\u7edf<\/li>\n<\/ul>\n<p><strong>\u7279\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c55\u793a\u5b9e\u9645\u7684\u786c\u4ef6\u3001\u8f6f\u4ef6\u548c\u4eba\u5458<\/li>\n<li>\u5305\u542b\u5b9e\u73b0\u7ec6\u8282<\/li>\n<li>\u66f4\u5177\u4f53\u4e14\u4ee5\u5f00\u53d1\u8005\u4e3a\u4e2d\u5fc3<\/li>\n<li>\u6709\u52a9\u4e8e\u7cfb\u7edf\u8bbe\u8ba1\u548c\u90e8\u7f72<\/li>\n<\/ul>\n<h3>\u5bf9\u6bd4\u8868<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u903b\u8f91\u6570\u636e\u6d41\u56fe<\/th>\n<th>\u7269\u7406\u6570\u636e\u6d41\u56fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5173\u6ce8\u70b9<\/strong><\/td>\n<td>\u4e1a\u52a1\u9700\u6c42<\/td>\n<td>\u5b9e\u73b0<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8c01<\/strong><\/td>\n<td>\u4e1a\u52a1\u5206\u6790\u5e08\u3001\u7528\u6237<\/td>\n<td>\u7cfb\u7edf\u8bbe\u8ba1\u4eba\u5458\u3001\u5f00\u53d1\u4eba\u5458<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c42\u7ea7<\/strong><\/td>\n<td>\u9ad8\u5c42\u6b21\u3001\u62bd\u8c61<\/td>\n<td>\u8be6\u7ec6\u3001\u5177\u4f53<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7ec4\u4ef6<\/strong><\/td>\n<td>\u4e1a\u52a1\u6d41\u7a0b<\/td>\n<td>\u6280\u672f\u6d41\u7a0b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u5b58\u50a8<\/strong><\/td>\n<td>\u6982\u5ff5\u5b9e\u4f53<\/td>\n<td>\u7269\u7406\u6587\u4ef6\/\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5b9e\u4f53<\/strong><\/td>\n<td>\u4e1a\u52a1\u89d2\u8272<\/td>\n<td>\u5b9e\u9645\u7cfb\u7edf\/\u8bbe\u5907<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>4. \u6570\u636e\u6d41\u56fe\u7ec4\u4ef6<br \/>\n<img alt=\"\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7b26\u53f7 - EdrawMax\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/dfd-basic-symbol.jpg\"\/><\/h2>\n<h3>\u5916\u90e8\u5b9e\u4f53<\/h3>\n<ul>\n<li>\u6570\u636e\u7684\u6765\u6e90\u548c\u53bb\u5411<\/li>\n<li>\u7cfb\u7edf\u8fb9\u754c\u4e4b\u5916<\/li>\n<li>\u7528\u540d\u8bcd\u547d\u540d<\/li>\n<\/ul>\n<h3>\u5904\u7406\u8fc7\u7a0b<\/h3>\n<ul>\n<li>\u5c06\u8f93\u5165\u6570\u636e\u8f6c\u6362\u4e3a\u8f93\u51fa\u6570\u636e<\/li>\n<li>\u7528\u52a8\u8bcd+\u540d\u8bcd\u547d\u540d<\/li>\n<li>\u7f16\u53f7\u4ee5\u4f9b\u8bc6\u522b<\/li>\n<\/ul>\n<h3>\u6570\u636e\u5b58\u50a8<\/h3>\n<ul>\n<li>\u6301\u4e45\u5316\u6570\u636e\u5b58\u50a8\u5e93<\/li>\n<li>\u7528\u540d\u8bcd\u547d\u540d<\/li>\n<li>D1\u3001D2\u3001D3\u2026\u2026\u7f16\u53f7<\/li>\n<\/ul>\n<h3>\u6570\u636e\u6d41<\/h3>\n<ul>\n<li>\u663e\u793a\u6570\u636e\u7684\u6d41\u52a8<\/li>\n<li>\u7528\u63cf\u8ff0\u6027\u6807\u7b7e\u547d\u540d<\/li>\n<li>\u65b9\u5411\u8868\u793a\u6570\u636e\u6d41\u52a8\u65b9\u5411<\/li>\n<\/ul>\n<hr\/>\n<h2>5. \u4f7f\u7528Graphviz\u7684\u5b9e\u4f8b\u6f14\u793a<\/h2>\n<h3>\u793a\u4f8b1\uff1a\u9152\u5e97\u7ba1\u7406\u7cfb\u7edf\uff08\u903b\u8f91\u6570\u636e\u6d41\u56fe\uff09<\/h3>\n<p id=\"WGcAFhu\"><img alt=\"\u9152\u5e97\u7ba1\u7406\u7cfb\u7edf\u903b\u8f91DFD\uff0c\u5c55\u793a\u5ba2\u4eba\u3001\u5458\u5de5\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u6d41\u3002\" class=\"alignnone size-full wp-image-19312\" decoding=\"async\" height=\"873\" loading=\"lazy\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab.png 1917w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab-1024x466.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab-768x350.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc5d6c7cab-1536x699.png 1536w\" width=\"1917\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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 Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph HotelMIS_DFD_Logical {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f ---\r\n    graph [\r\n        rankdir = LR\r\n        splines = true\r\n        overlap = false\r\n        nodesep = 0.6\r\n        ranksep = 1.0\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n    ]\r\n\r\n    \/\/ --- \u8282\u70b9\u6837\u5f0f ---\r\n    node [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 11\r\n        penwidth = 1.5\r\n    ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"] \r\n    \u5ba2\u4eba;\r\n    \u5458\u5de5;\r\n\r\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c ---\r\n    subgraph cluster_SystemBoundary {\r\n        label = \"\u9152\u5e97MIS\u7cfb\u7edf\u8fb9\u754c\";\r\n        fontname = \"Helvetica,Arial,sans-serif\";\r\n        fontcolor = \"#757575\";\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\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\", color = \"#388E3C\", fixedsize = true, width = 1.3]\r\n        P1 [label=\"1.0n\u7ba1\u7406n\u9884\u8ba2\"];\r\n        P2 [label=\"2.0n\u5165\u4f4f\/n\u9000\u623f\"];\r\n        P3 [label=\"3.0n\u7ba1\u7406n\u5e93\u5b58\"];\r\n\r\n        \/\/ \u6570\u636e\u5b58\u50a8\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\", color = \"#FBC02D\", fixedsize = false]\r\n        ReservationsDS [label=\"{ &lt;id&gt; D1 | \u9884\u8ba2n\u6570\u636e\u5e93 }\"];\r\n        RoomsDS        [label=\"{ &lt;id&gt; D2 | \u623f\u95f4\u72b6\u6001n\u6570\u636e\u5e93 }\"];\r\n        InventoryDS    [label=\"{ &lt;id&gt; D3 | \u5e93\u5b58n\u6570\u636e\u5e93 }\"];\r\n    }\r\n\r\n    \/\/ --- \u8fb9\u7f18\u6837\u5f0f ---\r\n    edge [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 9\r\n        color = \"#555555\"\r\n        arrowsize = 0.8\r\n    ]\r\n\r\n    \/\/ --- \u6570\u636e\u6d41 ---\r\n    \r\n    \/\/ \u5ba2\u4eba\u4ea4\u4e92\r\n    \u5ba2\u4eba -&gt; P1 [label=\"\u9884\u8ba2\u8bf7\u6c42\"];\r\n    P1 -&gt; \u5ba2\u4eba [label=\"\u786e\u8ba4\"];\r\n\r\n    \u5ba2\u4eba -&gt; P2 [label=\"\u5230\u8fbe\"];\r\n    P2 -&gt; \u5ba2\u4eba [label=\"\u623f\u5361\/\u6536\u636e\"];\r\n\r\n    \/\/ \u5458\u5de5\u4ea4\u4e92\r\n    \u5458\u5de5 -&gt; P3 [label=\"\u66f4\u65b0\u5e93\u5b58\"];\r\n    P3 -&gt; \u5458\u5de5 [label=\"\u8b66\u62a5\/\u62a5\u544a\"];\r\n\r\n    \/\/ \u5904\u7406\u8fc7\u7a0b\u5230\u6570\u636e\u5b58\u50a8\r\n    P1 -&gt; ReservationsDS [label=\"\u65b0\u9884\u8ba2\"];\r\n    ReservationsDS -&gt; P1 [label=\"\u68c0\u67e5\u53ef\u7528\u6027\"];\r\n    \r\n    P1 -&gt; RoomsDS [label=\"\u623f\u95f4\u8be6\u60c5\u8bf7\u6c42\"];\r\n    RoomsDS -&gt; P1 [label=\"\u53ef\u7528\u623f\u95f4\"];\r\n    \r\n    P2 -&gt; RoomsDS [label=\"\u623f\u95f4\u72b6\u6001\u66f4\u65b0\"];\r\n    RoomsDS -&gt; P2 [label=\"\u623f\u95f4\u4fe1\u606f\"];\r\n    \r\n    P2 -&gt; P3 [label=\"\u4f4f\u5bbf\u8be6\u60c5\"];\r\n    P3 -&gt; InventoryDS [label=\"\u5e93\u5b58\u66f4\u65b0\"];\r\n    InventoryDS -&gt; P3 [label=\"\u5e93\u5b58\u6c34\u5e73\"];\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 Graphviz 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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\" 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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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u793a\u4f8b2\uff1a\u903b\u8f91DFD \u2013 \u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf<\/h3>\n<p id=\"lnWBvyo\"><img alt=\"\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u903b\u8f91DFD\uff0c\u5c55\u793a\u5904\u7406\u8fc7\u7a0b\u3001\u6570\u636e\u5b58\u50a8\u548c\u6570\u636e\u6d41\u3002\" class=\"alignnone size-full wp-image-19313\" decoding=\"async\" height=\"872\" loading=\"lazy\" sizes=\"auto, (max-width: 1916px) 100vw, 1916px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3.png 1916w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3-1024x466.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3-768x350.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc609341c3-1536x699.png 1536w\" width=\"1916\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#graphviz: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\" 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href=\"https:\/\/www.vpascode.com\/editor\/#graphviz:eNqtVFtv0zAUfkfiP1jhBaSWtckqOg2Q2iZhSLtpKUITm5CbuK011y62Myhj\/x27duPcOpDAfWmOv3P5Pp9zMrzgcL0Ep3jGId8kGyHR6uspW+AUEvDw\/BlQ5+AAdLtd8OFqdHkCkun1aaS\/zZ1x\/2I+9OGQ3mWYg3dgOnZWsSaYIqGskufI2SnLkEBrZe+9HlSD7MxDZ54zKilcIWX3ThC5R1KV2RlxDElHQCq6AnE896oOAv\/UDn3fmG+fP6uwOr8II0Mqcax0WWVS\/5S478xrRL\/jTC61ece3XFD0QyJOlfIRlVhiJMrliCVc64Az9qMDhNyQbTlzTAjKvA7Qf1JGmJbeexH140EcKbMz9fzhMOx7tybmGVrNED82H+b5MaTHNXWS62QanYHxxafzcHR17RQS+cw8fUpy1TP8a6WDdp2jD4EzRHQBFgEs5KXtslfecalPdrQyKJYo63CW00zRK0EcoTcD\/SvfzRbuNh7pX\/l2BfkCU3Xp9wqeluslZykSYid4U\/QU85Sgv9B9GA+io4ruwXAYBRNlck9\/eOvyXPbBl61G77z+694NPYMULtANnUAJCVt4tyUGl36B9TXWln1Dx4xz9h3TGjwo4IGGn0CaERX6CsmcU7HFVmQIVU6QSMb3C8FRynj2ZyHiOD6aHFaEiMeTnh96Je6WY5gUdT6Atzh7D8I++AXGjN0VOoDHCrWpWhECphIzKlrc\/a271UQT1kWLWgwzAi3egfI2lzdUSzKDApV8H2tDEoUfmisEZYv\/tkKO2rp\/sD0lB6jpWo9ibdbXXTiajkB8evG5VGoBMJzBR6oG2mpbXhag+77crQmCPF1uX0kU2qh7hbL4GvIKiZxIh23Edt1t3k55fMuRkC663xLdYieMzjFfQV32\/hRuIswQ1MsPWhJYpGoihNeyNDVKsmJztqjm7qrCjbLs4NM6gxK1iufcdg67EbBOTzCtpnRk7aIAF\/eIZzmq8W1mtDjFec14jfJ2ScRE9Vq56uYoa262ZEfRwaqa7Cjq4DVO5tGb8SdLlN6B0T3EyoAJlps9WfxqSYmEMhetSRobweSw\/VBzLMDVHMUQzVlrjj2ba8KRaQjb+HphFf41n7ZZUXsOnGChdvemnjZ4Iq1tKdPiT+ULmrO53amtyRo62jR\/IWSwV8jH358r8sY=\" 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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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 Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph LibrarySystem_Logical {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f ---\r\n    graph [\r\n        rankdir = TB\r\n        splines = true\r\n        nodesep = 0.5\r\n        ranksep = 0.8\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n    ]\r\n\r\n    \/\/ --- \u8282\u70b9\u6837\u5f0f ---\r\n    node [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 11\r\n        penwidth = 1.5\r\n    ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    \u6210\u5458;\r\n    \u56fe\u4e66\u9986\u5458;\r\n\r\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c ---\r\n    subgraph cluster_LibrarySystem {\r\n        label = \"\u56fe\u4e66\u9986\u7cfb\u7edf\uff08\u903b\u8f91\uff09\";\r\n        style = \"dashed,rounded\";\r\n        color = \"#757575\";\r\n        bgcolor = \"#FAFAFA\";\r\n        margin = 20;\r\n\r\n        \/\/ \u5904\u7406\u8fc7\u7a0b\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\", color = \"#388E3C\", width = 1.4]\r\n        P1 [label=\"1.0n\u7ba1\u7406n\u76ee\u5f55\"];\r\n        P2 [label=\"2.0n\u5904\u7406n\u501f\u9605\"];\r\n        P3 [label=\"3.0n\u5904\u7406n\u5f52\u8fd8\"];\r\n\r\n        \/\/ \u6570\u636e\u5b58\u50a8\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\", color = \"#FBC02D\"]\r\n        CatalogDS [label=\"{ &lt;id&gt; D1 | \u56fe\u4e66n\u76ee\u5f55 }\"];\r\n        TransactionsDS [label=\"{ &lt;id&gt; D2 | \u501f\u9605n\u8bb0\u5f55 }\"];\r\n        MemberDS [label=\"{ &lt;id&gt; D3 | \u6210\u5458n\u6570\u636e\u5e93 }\"];\r\n    }\r\n\r\n    \/\/ --- \u8fb9\u7f18\u6837\u5f0f ---\r\n    edge [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 9\r\n        color = \"#555555\"\r\n        arrowsize = 0.8\r\n    ]\r\n\r\n    \/\/ --- \u6570\u636e\u6d41 ---\r\n    \r\n    \/\/ \u6210\u5458\u4ea4\u4e92\r\n    \u6210\u5458 -&gt; P1 [label=\"\u641c\u7d22\u56fe\u4e66\"];\r\n    P1 -&gt; \u6210\u5458 [label=\"\u641c\u7d22\u7ed3\u679c\"];\r\n    \r\n    \u6210\u5458 -&gt; P2 [label=\"\u501f\u9605\u8bf7\u6c42\"];\r\n    P2 -&gt; \u6210\u5458 [label=\"\u501f\u9605\u786e\u8ba4\"];\r\n    \r\n    \u6210\u5458 -&gt; P3 [label=\"\u5f52\u8fd8\u56fe\u4e66\"];\r\n    P3 -&gt; \u6210\u5458 [label=\"\u5f52\u8fd8\u6536\u636e\"];\r\n\r\n    \/\/ \u56fe\u4e66\u9986\u5458\u4ea4\u4e92\r\n    \u56fe\u4e66\u9986\u5458 -&gt; P1 [label=\"\u6dfb\u52a0\/\u66f4\u65b0\u56fe\u4e66\"];\r\n    P1 -&gt; \u56fe\u4e66\u9986\u5458 [label=\"\u76ee\u5f55\u66f4\u65b0\u786e\u8ba4\"];\r\n    \r\n    \u56fe\u4e66\u9986\u5458 -&gt; P3 [label=\"\u5904\u7406\u903e\u671f\"];\r\n    P3 -&gt; \u56fe\u4e66\u9986\u5458 [label=\"\u903e\u671f\u62a5\u544a\"];\r\n\r\n    \/\/ \u6570\u636e\u6d41\r\n    P1 -&gt; CatalogDS [label=\"\u56fe\u4e66\u66f4\u65b0\"];\r\n    CatalogDS -&gt; P1 [label=\"\u76ee\u5f55\u6570\u636e\"];\r\n    \r\n    P2 -&gt; CatalogDS [label=\"\u68c0\u67e5\u53ef\u7528\u6027\"];\r\n    CatalogDS -&gt; P2 [label=\"\u56fe\u4e66\u72b6\u6001\"];\r\n    \r\n    P2 -&gt; MemberDS [label=\"\u68c0\u67e5\u6210\u5458\u72b6\u6001\"];\r\n    MemberDS -&gt; P2 [label=\"\u6210\u5458\u4fe1\u606f\"];\r\n    \r\n    P2 -&gt; TransactionsDS [label=\"\u521b\u5efa\u501f\u9605\u8bb0\u5f55\"];\r\n    TransactionsDS -&gt; P2 [label=\"\u501f\u9605\u5386\u53f2\"];\r\n    \r\n    P3 -&gt; TransactionsDS [label=\"\u66f4\u65b0\u5f52\u8fd8\"];\r\n    TransactionsDS -&gt; P3 [label=\"\u501f\u9605\u8bb0\u5f55\"];\r\n    \r\n    P3 -&gt; MemberDS [label=\"\u66f4\u65b0\u6210\u5458\u72b6\u6001\"];\r\n    MemberDS -&gt; P3 [label=\"\u6210\u5458\u4fe1\u606f\"];\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 Graphviz 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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\" 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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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u793a\u4f8b3\uff1a\u7269\u7406DFD \u2013 \u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf<\/h3>\n<p id=\"VUZUuAT\"><img alt=\"\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u7269\u7406DFD\uff0c\u5c55\u793aWeb\u76ee\u5f55\u3001\u501f\u9605API\u548c\u5f52\u8fd8\u5904\u7406\u5668\u7684\u6570\u636e\u6d41\u3002\" class=\"alignnone size-full wp-image-19314\" decoding=\"async\" height=\"1228\" loading=\"lazy\" sizes=\"auto, (max-width: 1091px) 100vw, 1091px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc62dd2afa.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc62dd2afa.png 1091w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc62dd2afa-267x300.png 267w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc62dd2afa-910x1024.png 910w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc62dd2afa-768x864.png 768w\" width=\"1091\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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 Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph LibrarySystem_Physical {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f ---\r\n    graph [\r\n        rankdir = TB\r\n        splines = true\r\n        nodesep = 0.5\r\n        ranksep = 0.8\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n    ]\r\n\r\n    \/\/ --- \u8282\u70b9\u6837\u5f0f ---\r\n    node [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 11\r\n        penwidth = 1.5\r\n    ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\uff08\u7269\u7406\uff09\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    \"\u56fe\u4e66\u9986\u6210\u5458\" [label=\"\u56fe\u4e66\u9986n\u6210\u5458\"];\r\n    \"\u56fe\u4e66\u9986\u5458\" [label=\"\u56fe\u4e66\u9986n\u5de5\u4f5c\u4eba\u5458\"];\r\n    \"\u90ae\u4ef6\u7cfb\u7edf\" [label=\"\u90ae\u4ef6n\u7cfb\u7edf\"];\r\n    \"\u652f\u4ed8\u7f51\u5173\" [label=\"\u652f\u4ed8n\u7f51\u5173\"];\r\n\r\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c ---\r\n    subgraph cluster_LibrarySystem_Physical {\r\n        label = \"\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\uff08\u7269\u7406\u5b9e\u73b0\uff09\";\r\n        style = \"dashed,rounded\";\r\n        color = \"#757575\";\r\n        bgcolor = \"#FAFAFA\";\r\n        margin = 20;\r\n\r\n        \/\/ \u7269\u7406\u5904\u7406\u8fc7\u7a0b\uff08\u542b\u6280\u672f\u7ec6\u8282\uff09\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\", color = \"#388E3C\", width = 1.4]\r\n        P1 [label=\"1.0n\u7f51\u7edc\u76ee\u5f55n(HTML, JS)\"];\r\n        P2 [label=\"2.0n\u501f\u9605nAPIn(Python\/REST)\"];\r\n        P3 [label=\"3.0n\u5f52\u8fd8n\u5904\u7406\u5668n(Java)\"];\r\n\r\n        \/\/ \u7269\u7406\u6570\u636e\u5b58\u50a8\uff08\u542b\u6280\u672f\u7ec6\u8282\uff09\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\", color = \"#FBC02D\"]\r\n        CatalogDS [label=\"{ &lt;id&gt; D1 | PostgreSQLn\u56fe\u4e66\u76ee\u5f55 }\"];\r\n        TransactionsDS [label=\"{ &lt;id&gt; D2 | MongoDBn\u501f\u9605\u8bb0\u5f55 }\"];\r\n        MemberDS [label=\"{ &lt;id&gt; D3 | Oraclen\u6210\u5458\u6570\u636e\u5e93 }\"];\r\n        \r\n        \/\/ \u989d\u5916\u7684\u7269\u7406\u7ec4\u4ef6\r\n        node [shape = box, style = \"filled\", fillcolor = \"#F3E5F5\", color = \"#8E24AA\"]\r\n        \"\u7f13\u5b58\u670d\u52a1\u5668\" [label=\"Redisn\u7f13\u5b58\"];\r\n        \"\u6d88\u606f\u961f\u5217\" [label=\"RabbitMQn\u961f\u5217\"];\r\n    }\r\n\r\n    \/\/ --- \u8fb9\u7f18\u6837\u5f0f ---\r\n    edge [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 9\r\n        color = \"#555555\"\r\n        arrowsize = 0.8\r\n    ]\r\n\r\n    \/\/ --- \u6570\u636e\u6d41\uff08\u7269\u7406\uff09---\r\n    \r\n    \/\/ \u7269\u7406\u6210\u5458\u4ea4\u4e92\r\n    \"\u56fe\u4e66\u9986\u6210\u5458\" -&gt; P1 [label=\"HTTP GETn\u56fe\u4e66\u641c\u7d22\"];\r\n    P1 -&gt; \"\u56fe\u4e66\u9986\u6210\u5458\" [label=\"HTML\/JSONn\u7ed3\u679c\"];\r\n    \r\n    \"\u56fe\u4e66\u9986\u6210\u5458\" -&gt; P2 [label=\"REST APIn\u501f\u9605\u8bf7\u6c42\"];\r\n    P2 -&gt; \"\u56fe\u4e66\u9986\u6210\u5458\" [label=\"JSONn\u786e\u8ba4\"];\r\n    \r\n    \"\u56fe\u4e66\u9986\u6210\u5458\" -&gt; P3 [label=\"REST APIn\u5f52\u8fd8\"];\r\n    P3 -&gt; \"\u56fe\u4e66\u9986\u6210\u5458\" [label=\"JSONn\u6536\u636e\"];\r\n\r\n    \/\/ \u7269\u7406\u56fe\u4e66\u9986\u5458\u4ea4\u4e92\r\n    \"\u56fe\u4e66\u9986\u5458\" -&gt; P1 [label=\"HTTPSn\u76ee\u5f55\u7ba1\u7406\"];\r\n    P1 -&gt; \"\u56fe\u4e66\u9986\u5458\" [label=\"HTMLn\u786e\u8ba4\"];\r\n    \r\n    \"\u56fe\u4e66\u9986\u5458\" -&gt; P3 [label=\"REST APIn\u903e\u671f\u5904\u7406\"];\r\n    P3 -&gt; \"\u56fe\u4e66\u9986\u5458\" [label=\"PDF\u62a5\u544a\"];\r\n\r\n    \/\/ \u5916\u90e8\u7cfb\u7edf\u4ea4\u4e92\r\n    P2 -&gt; \"\u90ae\u4ef6\u7cfb\u7edf\" [label=\"SMTPn\u901a\u77e5\"];\r\n    P3 -&gt; \"\u652f\u4ed8\u7f51\u5173\" [label=\"HTTPSn\u7f5a\u6b3e\u652f\u4ed8\"];\r\n\r\n    \/\/ \u6570\u636e\u6d41\uff08\u7269\u7406\uff09\r\n    P1 -&gt; CatalogDS [label=\"SQL UPDATE\"];\r\n    CatalogDS -&gt; P1 [label=\"SQL SELECT\"];\r\n    \r\n    P1 -&gt; \"\u7f13\u5b58\u670d\u52a1\u5668\" [label=\"\u7f13\u5b58\u66f4\u65b0\"];\r\n    \"\u7f13\u5b58\u670d\u52a1\u5668\" -&gt; P1 [label=\"\u7f13\u5b58\u547d\u4e2d\"];\r\n    \r\n    P2 -&gt; CatalogDS [label=\"SQL SELECT\"];\r\n    CatalogDS -&gt; P2 [label=\"SQL\u7ed3\u679c\"];\r\n    \r\n    P2 -&gt; MemberDS [label=\"SQL SELECT\"];\r\n    MemberDS -&gt; P2 [label=\"SQL\u7ed3\u679c\"];\r\n    \r\n    P2 -&gt; TransactionsDS [label=\"INSERT\"];\r\n    TransactionsDS -&gt; P2 [label=\"SELECT\"];\r\n    \r\n    P2 -&gt; \"\u6d88\u606f\u961f\u5217\" [label=\"\u53d1\u5e03n\u501f\u9605\u4e8b\u4ef6\"];\r\n    \r\n    P3 -&gt; TransactionsDS [label=\"UPDATE\"];\r\n    TransactionsDS -&gt; P3 [label=\"SELECT\"];\r\n    \r\n    P3 -&gt; MemberDS [label=\"UPDATE\"];\r\n    MemberDS -&gt; P3 [label=\"SELECT\"];\r\n    \r\n    P3 -&gt; \"\u6d88\u606f\u961f\u5217\" [label=\"\u53d1\u5e03n\u5f52\u8fd8\u4e8b\u4ef6\"];\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 Graphviz 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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u793a\u4f8b4\uff1a\u7535\u5b50\u5546\u52a1\u8ba2\u5355\u5904\u7406\uff08\u903b\u8f91DFD\uff09<\/h3>\n<p id=\"BWPdcdI\"><img alt=\"\u7535\u5b50\u5546\u52a1\u8ba2\u5355\u5904\u7406\u903b\u8f91DFD\uff0c\u5c55\u793a\u5ba2\u6237\u3001\u4f9b\u5e94\u5546\u3001\u652f\u4ed8\u5904\u7406\u7a0b\u5e8f\u548c\u5185\u90e8\u6d41\u7a0b\u4e4b\u95f4\u7684\u6570\u636e\u6d41\u3002\" class=\"alignnone size-full wp-image-19315\" decoding=\"async\" height=\"741\" loading=\"lazy\" sizes=\"auto, (max-width: 1073px) 100vw, 1073px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc64c9d4de.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc64c9d4de.png 1073w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc64c9d4de-300x207.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc64c9d4de-1024x707.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc64c9d4de-768x530.png 768w\" width=\"1073\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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\">Graphviz<\/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 Graphviz in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-graphviz\"><code class=\"language-graphviz\" data-language=\"graphviz\" class=\"language-graphviz\">digraph ECommerce_Logical {\r\n    \/\/ --- \u56fe\u5f62\u6837\u5f0f ---\r\n    graph [\r\n        rankdir = LR\r\n        splines = true\r\n        nodesep = 0.5\r\n        ranksep = 0.8\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 12\r\n    ]\r\n\r\n    \/\/ --- \u8282\u70b9\u6837\u5f0f ---\r\n    node [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 11\r\n        penwidth = 1.5\r\n    ]\r\n\r\n    \/\/ \u5916\u90e8\u5b9e\u4f53\r\n    node [shape = box, style = \"filled\", fillcolor = \"#E1F5FE\", color = \"#0288D1\"]\r\n    Customer;\r\n    Supplier;\r\n    \"Payment Processor\" [label=\"PaymentnProcessor\"];\r\n\r\n    \/\/ --- \u7cfb\u7edf\u8fb9\u754c ---\r\n    subgraph cluster_ECommerce {\r\n        label = \"\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\uff08\u903b\u8f91\uff09\";\r\n        style = \"dashed,rounded\";\r\n        color = \"#757575\";\r\n        bgcolor = \"#FAFAFA\";\r\n        margin = 20;\r\n\r\n        \/\/ \u5904\u7406\u8fc7\u7a0b\r\n        node [shape = circle, style = \"filled\", fillcolor = \"#E8F5E9\", color = \"#388E3C\", width = 1.4]\r\n        P1 [label=\"1.0n\u5904\u7406n\u8ba2\u5355\"];\r\n        P2 [label=\"2.0n\u7ba1\u7406n\u5e93\u5b58\"];\r\n        P3 [label=\"3.0n\u5904\u7406n\u53d1\u8d27\"];\r\n\r\n        \/\/ \u6570\u636e\u5b58\u50a8\r\n        node [shape = record, style = \"filled\", fillcolor = \"#FFF9C4\", color = \"#FBC02D\"]\r\n        OrderDS [label=\"{ &lt;id&gt; D1 | \u8ba2\u5355 }\"];\r\n        InventoryDS [label=\"{ &lt;id&gt; D2 | \u5e93\u5b58 }\"];\r\n        ShipmentDS [label=\"{ &lt;id&gt; D3 | \u53d1\u8d27 }\"];\r\n    }\r\n\r\n    \/\/ --- \u8fb9\u7f18\u6837\u5f0f ---\r\n    edge [\r\n        fontname = \"Helvetica,Arial,sans-serif\"\r\n        fontsize = 9\r\n        color = \"#555555\"\r\n        arrowsize = 0.8\r\n    ]\r\n\r\n    \/\/ --- \u6570\u636e\u6d41 ---\r\n    \r\n    \/\/ \u5ba2\u6237\u4ea4\u4e92\r\n    Customer -&gt; P1 [label=\"\u8ba2\u5355\u8be6\u60c5\"];\r\n    P1 -&gt; Customer [label=\"\u8ba2\u5355\u786e\u8ba4\"];\r\n    \r\n    Customer -&gt; P3 [label=\"\u8ffd\u8e2a\u8ba2\u5355\"];\r\n    P3 -&gt; Customer [label=\"\u8ffd\u8e2a\u4fe1\u606f\"];\r\n\r\n    \/\/ \u652f\u4ed8\u5904\u7406\u5668\r\n    \"Payment Processor\" -&gt; P1 [label=\"\u652f\u4ed8\u54cd\u5e94\"];\r\n    P1 -&gt; \"Payment Processor\" [label=\"\u652f\u4ed8\u8bf7\u6c42\"];\r\n\r\n    \/\/ \u4f9b\u5e94\u5546\r\n    Supplier -&gt; P2 [label=\"\u5e93\u5b58\u66f4\u65b0\"];\r\n    P2 -&gt; Supplier [label=\"\u8865\u8d27\u8bf7\u6c42\"];\r\n\r\n    \/\/ \u5904\u7406\u8fc7\u7a0b\u6570\u636e\u6d41\r\n    P1 -&gt; OrderDS [label=\"\u4fdd\u5b58\u8ba2\u5355\"];\r\n    OrderDS -&gt; P1 [label=\"\u8ba2\u5355\u5386\u53f2\"];\r\n    \r\n    P1 -&gt; InventoryDS [label=\"\u68c0\u67e5\u5e93\u5b58\"];\r\n    InventoryDS -&gt; P1 [label=\"\u53ef\u7528\u6027\"];\r\n    \r\n    P1 -&gt; P3 [label=\"\u53d1\u8d27\u8be6\u60c5\"];\r\n    \r\n    P2 -&gt; InventoryDS [label=\"\u66f4\u65b0\u5e93\u5b58\"];\r\n    InventoryDS -&gt; P2 [label=\"\u5f53\u524d\u5e93\u5b58\"];\r\n    \r\n    P3 -&gt; OrderDS [label=\"\u66f4\u65b0\u72b6\u6001\"];\r\n    OrderDS -&gt; P3 [label=\"\u8ba2\u5355\u4fe1\u606f\"];\r\n    \r\n    P3 -&gt; ShipmentDS [label=\"\u521b\u5efa\u53d1\u8d27\"];\r\n    ShipmentDS -&gt; P3 [label=\"\u53d1\u8d27\u8be6\u60c5\"];\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 Graphviz 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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/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:eNqtVG1v0zAQ\/j5p\/8EKX0BqWV9W0WkwqcsLRdqbmk1oYhNyE7e1ltrBdgdj7L9zThrHzoKYBOmX+u453z3PnS+lS4HzFQp9vl4TkZCvJ3xJE5yhx90dBN\/eHup2u+jjbHIxRfHl9Umoz6WvDP1SHvQnMLtLqUAf0Mmstso8o4xIsCqxIbWd8ZRIkoO993bkXlKZx7V5wZlieE3A7k1Jdk8UlNmZCIqzjsRMdiURdOG5AZL+1AH9QWm+3d1xWJ2dB2FJKq5Z6bJsUv+UuF+bc8K+01SttLniaxcU\/lBEMFA+ZIoqSqRdjlzhXF845z86SKqHrChnQbOMpF4H6T8Jz7iW3nsV9qNRFIK5NvUG43HQ927LO\/2NVBzafVge400OLTJH7wI\/rAlT6ELwhEjJhYe+ZHhOsg+V64bVvtvDhqrxdXwZnqLj86uzYDK7rpWVm3k5MkkGBRDx1UxdNW36KzLposOucccPgF+j19vhfOMdWuNVqZFiuSJpR\/ANS0EVC1Lr8G6kf7Zvvqy90UT\/bO8aiyVl4Bz0DM0t1a0CVZ+e9yqhIsnIC9o1jkbhgdOu4XgcDn0w1ROzf1vnueibhvTf9kwzbti5SEnZEQMdGOhAQ08xw0tywz6xe+gjFw8uemjQQ42eYpZmgI5XNNd9t5q9VSHACqMYLvqzDoIkXKR\/1yGKogN\/39EhOvZ7g8CzqBcMg9iU+Yje0\/QIBX30q\/RJ9ORQMkRbggYQZPyNuIpyS9gQwiq3ne6p8RDC4OPz9ULS5X9bLwdtIz4qPisAC8G\/byPMSm2uwmByOUHRyflnq1QDqPYFiAXPFieKcibdVYK6R\/ZYFq1AAVGYZtIIBACAmRAX7HO2oGKN9eUmoiVJPaKXUModcmce3G0pCihlS2Cw4O7Kerbt\/rwFXY4VYEZkDnqQBs0XrFEI\/bYhUrkFVevYXc5F8voxw5MD7ld5ipWVeKBRJqLCzggvFG7Ntq2ufMhRBpNik2g+txjfk4biFaRtAKZUOjvGvrrtYforAqwKbibGxrk5JvcwXXhOM6raU1izUr3XZzNpK9dWUinxX2qq++JvhNBpXLw9m01JTQKsNrJV1WFDVTPDzatbdpYvSHG7vcAb6+0FQj39Bul6yvg=\" 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>\u5728VPasCode\u4e2d\u7f16\u8f91Graphviz<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr\/>\n<h2>6. 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\u5e38\u89c1\u9677\u9631<\/h2>\n<p id=\"reikZmW\"><img alt=\"DFD\u76847\u4e2a\u5e38\u89c1\u9677\u9631\" class=\"alignnone wp-image-19321 size-full\" decoding=\"async\" height=\"559\" loading=\"lazy\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc87f32d08.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc87f32d08.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc87f32d08-300x164.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/07\/img_6a4dc87f32d08-768x419.png 768w\" width=\"1024\"\/><\/p>\n<h3>\u9677\u96311\uff1a\u903b\u8f91\u4e0e\u7269\u7406\u6df7\u7528<\/h3>\n<p>\u274c\u00a0<strong>\u9519\u8bef\uff1a<\/strong>\u5728\u903b\u8f91\u6570\u636e\u6d41\u56fe\u4e2d\u6dfb\u52a0\u6570\u636e\u5e93\u6280\u672f\u540d\u79f0<br \/>\n\u2705\u00a0<strong>\u6b63\u786e\uff1a<\/strong>\u4fdd\u6301\u903b\u8f91\u6570\u636e\u6d41\u56fe\u4e0e\u6280\u672f\u65e0\u5173<\/p>\n<h3>\u9677\u96312\uff1a\u9057\u6f0f\u6570\u636e\u6d41<\/h3>\n<p>\u274c\u00a0<strong>\u9519\u8bef\uff1a<\/strong>\u4ec5\u663e\u793a\u5b9e\u4f53\u4e4b\u95f4\u7684\u5355\u5411\u6d41\u52a8<br \/>\n\u2705\u00a0<strong>\u6b63\u786e\uff1a<\/strong>\u5728\u9002\u5f53\u60c5\u51b5\u4e0b\u5305\u542b\u53cc\u5411\u6d41\u52a8<\/p>\n<h3>\u9677\u96313\uff1a\u8fc7\u4e8e\u590d\u6742<\/h3>\n<p>\u274c\u00a0<strong>\u9519\u8bef\uff1a<\/strong>\u5728\u4e00\u4e2a\u56fe\u4e2d\u5305\u542b20\u591a\u4e2a\u5904\u7406\u8fc7\u7a0b<br \/>\n\u2705\u00a0<strong>\u6b63\u786e\uff1a<\/strong>\u5206\u89e3\u4e3a\u591a\u4e2a\u4e13\u6ce8\u7684\u56fe\u8868<\/p>\n<h3>\u9677\u96314\uff1a\u6570\u636e\u6d41\u6807\u7b7e\u9519\u8bef<\/h3>\n<p>\u274c\u00a0<strong>\u9519\u8bef\uff1a<\/strong>\u00a0\u4ee5\u201c\u6570\u636e\u201d\u4f5c\u4e3a\u6807\u7b7e<br \/>\n\u2705\u00a0<strong>\u6b63\u786e\uff1a<\/strong>\u00a0\u5982\u201c\u5ba2\u6237\u8ba2\u5355\u8be6\u60c5\u201d\u4e4b\u7c7b\u7684\u63cf\u8ff0\u6027\u6807\u7b7e<\/p>\n<h3>\u9677\u96315\uff1a\u9519\u8bef\u7684\u5904\u7406\u8fb9\u754c<\/h3>\n<p>\u274c\u00a0<strong>\u9519\u8bef\uff1a<\/strong>\u00a0\u4e00\u4e2a\u5904\u7406\u6267\u884c\u591a\u4e2a\u65e0\u5173\u7684\u529f\u80fd<br \/>\n\u2705\u00a0<strong>\u6b63\u786e\uff1a<\/strong>\u00a0\u4e3a\u4e0d\u540c\u7684\u529f\u80fd\u8bbe\u7f6e\u72ec\u7acb\u7684\u5904\u7406<\/p>\n<hr\/>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u6570\u636e\u6d41\u56fe\u662f\u7cfb\u7edf\u5206\u6790\u4e0e\u8bbe\u8ba1\u7684\u91cd\u8981\u5de5\u5177\u3002\u7406\u89e3\u903b\u8f91\u6570\u636e\u6d41\u56fe\u4e0e\u7269\u7406\u6570\u636e\u6d41\u56fe\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u6709\u52a9\u4e8e\u4f60\u5728\u8f6f\u4ef6\u5f00\u53d1\u751f\u547d\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\uff0c\u4e0e\u4e0d\u540c\u7684\u5229\u76ca\u76f8\u5173\u8005\u8fdb\u884c\u6709\u6548\u6c9f\u901a\u3002<\/p>\n<ul>\n<li><strong>\u903b\u8f91\u6570\u636e\u6d41\u56fe<\/strong>\u00a0\u8fde\u63a5\u4e1a\u52a1\u9700\u6c42\u4e0e\u6280\u672f\u89e3\u51b3\u65b9\u6848<\/li>\n<li><strong>\u7269\u7406\u6570\u636e\u6d41\u56fe<\/strong>\u00a0\u6307\u5bfc\u5b9e\u65bd\u548c\u90e8\u7f72\u51b3\u7b56<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u6240\u63d0\u4f9b\u7684\u793a\u4f8b\u4f5c\u4e3a\u60a8\u81ea\u5df1\u6570\u636e\u6d41\u56fe\u7684\u6a21\u677f\uff0c\u5728\u9075\u5faa\u4e0a\u8ff0\u6700\u4f73\u5b9e\u8df5\u7684\u540c\u65f6\uff0c\u6839\u636e\u60a8\u7684\u5177\u4f53\u7cfb\u7edf\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<hr\/>\n<h2>\u989d\u5916\u8d44\u6e90<\/h2>\n<ol>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/ai-gane-and-sarson-dfd-generator-by-visual-paradigm\/#content\"><strong>\u7531Visual Paradigm\u63d0\u4f9b\u7684AI Gane\u548cSarson DFD\u751f\u6210\u5668<\/strong><\/a>: \u89e3\u91ca\u4e86Visual Paradigm\u7684AI\u5de5\u5177\u5982\u4f55\u4ece\u6587\u672c\u63cf\u8ff0\u751f\u6210Gane-Sarson DFD\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/a-step-by-step-guide-to-creating-data-flow-diagrams-with-visual-paradigm\/\"><strong>\u4f7f\u7528Visual Paradigm\u521b\u5efa\u6570\u636e\u6d41\u56fe\u7684\u9010\u6b65\u6307\u5357<\/strong><\/a>: \u63d0\u4f9b\u4e86\u4f7f\u7528Visual Paradigm\u5728\u7ebf\u5de5\u5177\u521b\u5efaDFD\u7684\u6559\u7a0b\uff0c\u6db5\u76d6\u4ece\u6ce8\u518c\u5230\u5171\u4eab\u7684\u5168\u8fc7\u7a0b\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/how-to-create-data-flow-diagram\"><strong>\u5982\u4f55\u521b\u5efa\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\uff1f<\/strong><\/a>: \u4e00\u4efd\u6307\u5357\uff0c\u6db5\u76d6DFD\u7684\u5b9a\u4e49\u3001\u7528\u9014\u4ee5\u53ca\u4e3b\u8981\u7c7b\u578b\uff08\u7269\u7406\u578b\u548c\u903b\u8f91\u578b\uff09\u3002<\/li>\n<li><a href=\"https:\/\/blog.visual-paradigm.com\/fa\/beginners-guide-to-ssadm-dfd-diagrams-with-visual-paradigm-online\/\"><strong>\u4f7f\u7528Visual Paradigm Online\u521b\u5efaSSADM DFD\u56fe\u7684\u5165\u95e8\u6307\u5357<\/strong><\/a>: \u4e00\u4efd\u5165\u95e8\u6307\u5357\uff0c\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Visual Paradigm Online\u521b\u5efaSSADM\u98ce\u683c\u7684\u6570\u636e\u6d41\u56fe\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/tw\/comprehensive-guide-to-data-flow-diagrams-dfd-demystifying-information-flow\/#content\"><strong>\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7efc\u5408\u6307\u5357\uff1a\u89e3\u6790\u4fe1\u606f\u6d41<\/strong><\/a>: DFD\u7684\u6982\u89c8\uff0c\u8be6\u7ec6\u8bf4\u660e\u5176\u7ec4\u6210\u90e8\u5206\uff0c\u4ee5\u53ca\u4e3a\u4f55Visual Paradigm\u662f\u521b\u5efa\u5b83\u4eec\u7684\u5408\u9002\u5de5\u5177\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/mastering-data-flow-diagrams-with-visual-paradigm-a-step-by-step-guide\/#content\"><strong>\u638c\u63e1\u4f7f\u7528Visual Paradigm\u7684\u6570\u636e\u6d41\u56fe\uff1a\u9010\u6b65\u6307\u5357<\/strong><\/a>: \u4e00\u4efd\u5b9e\u7528\u6307\u5357\uff0c\u901a\u8fc7\u793a\u4f8b\u548c\u6a21\u677f\u6559\u6388DFD\u7684\u521b\u5efa\uff0c\u5305\u542b\u5728\u7ebf\u8d2d\u7269\u7cfb\u7edf\u7b49\u6848\u4f8b\u7814\u7a76\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/tw\/understanding-logical-dfd-vs-physical-dfd-when-and-why-we-need-them\/#respond\"><strong>\u7406\u89e3\u903b\u8f91DFD\u4e0e\u7269\u7406DFD\uff1a\u4f55\u65f6\u4ee5\u53ca\u4e3a\u4f55\u6211\u4eec\u9700\u8981\u5b83\u4eec<\/strong><\/a>: \u89e3\u91ca\u4e86\u903b\u8f91\u4e0e\u7269\u7406\u6570\u636e\u6d41\u56fe\u4e4b\u95f4\u7684\u5dee\u5f02\u3001\u7528\u9014\u4ee5\u53ca\u9002\u7528\u573a\u666f\u3002<\/li>\n<li><a href=\"https:\/\/blog.visual-paradigm.com\/fa\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/#chgwngy_ayjad_yk_dyagram_jryan_dadh_ba_Visual_Paradigm_Online\"><strong>\u4f7f\u7528Visual Paradigm Online\u521b\u5efa\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7684\u5165\u95e8\u6307\u5357<\/strong><\/a>: \u4e00\u4efd\u9762\u5411\u521d\u5b66\u8005\u7684\u6559\u7a0b\uff0c\u9010\u6b65\u6f14\u793a\u5982\u4f55\u4f7f\u7528Visual Paradigm Online\u521b\u5efaDFD\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>DFD\u6863\u6848 \u2013 Visual Paradigm\u6307\u5357<\/strong><\/a>: \u5173\u4e8eDFD\u4e3b\u9898\u7684\u6587\u7ae0\u5408\u96c6\uff0c\u5305\u62ecAI\u751f\u6210\u5668\u3001\u9a8c\u8bc1\u3001\u5e73\u8861\u548c\u5c42\u7ea7\u7b49\u5185\u5bb9\u3002<\/li>\n<li><a href=\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/#bu_zhou_6_bao_cun_yu_xiang\"><strong>\u4f7f\u7528Visual Paradigm Online\u5f00\u59cb\u4f7f\u7528\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7684\u6307\u5357<\/strong><\/a>: \u8be6\u7ec6\u8bf4\u660e\u521b\u5efaDFD\u7684\u9010\u6b65\u8fc7\u7a0b\uff0c\u5305\u62ec\u5176\u5173\u952e\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u6a21\u677f\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/#dfd\"><strong>\u4f7f\u7528\u6700\u4f73DFD\u5de5\u5177\u7ed8\u5236DFD<\/strong><\/a>: \u8ba8\u8bba\u6570\u636e\u6d41\u7684\u56fe\u5f62\u8868\u793a\uff0c\u8be6\u7ec6\u8bf4\u660e\u903b\u8f91DFD\u4e0e\u7269\u7406DFD\u7684\u533a\u522b\uff0c\u5e76\u63a2\u8ba8\u6bcf\u79cd\u7c7b\u578b\u7684\u4f18\u70b9\u3002<\/li>\n<li>\n<p class=\"\"><a href=\"https:\/\/blog.visual-paradigm.com\/id\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/\"><strong>\u4f7f\u7528Visual Paradigm Online\u7684DFD\u5165\u95e8\u6307\u5357<\/strong><\/a>: \u4e00\u4efd\u5370\u5c3c\u8bed\u7684DFD\u5165\u95e8\u6307\u5357\uff0c\u6982\u8ff0\u4e86\u7ec4\u4ef6\u4ee5\u53ca\u5728Visual Paradigm Online\u4e2d\u9010\u6b65\u521b\u5efa\u7684\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<p class=\"\"><em>\u672c\u6307\u5357\u4e3a\u521b\u5efa\u6709\u6548\u7684DFD\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u8bf7\u8bb0\u4f4f\uff0c\u4f18\u79c0\u7684\u56fe\u8868\u662f\u901a\u8fc7\u8fed\u4ee3\u548c\u5229\u76ca\u76f8\u5173\u8005\u7684\u53cd\u9988\u4e0d\u65ad\u6f14\u8fdb\u7684\u3002<\/em><em><br \/>\n<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u6570\u636e\u6d41\u56fe\u7b80\u4ecb 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