{"id":9749,"date":"2024-11-27T18:12:31","date_gmt":"2024-11-27T10:12:31","guid":{"rendered":"https:\/\/www.cybermedian.com\/tw\/data-flow-diagrams-a-comprehensive-guide\/"},"modified":"2026-04-20T09:04:23","modified_gmt":"2026-04-20T09:04:23","slug":"data-flow-diagrams-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/tw\/data-flow-diagrams-a-comprehensive-guide\/","title":{"rendered":"\u8cc7\u6599\u6d41\u5716\uff1a\u5168\u9762\u6307\u5357"},"content":{"rendered":"<p>\u8cc7\u6599\u6d41\u5716\uff08<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\">DFD<\/a>\uff09\u81ea1970\u5e74\u4ee3\u4ee5\u4f86\u4e00\u76f4\u662f\u7cfb\u7d71\u5206\u6790\u8207\u8a2d\u8a08\u7684\u57fa\u77f3\uff0c\u56e0\u5176\u6e05\u6670\u8207\u76f4\u89c0\u800c\u53d7\u5230\u8b9a\u8b7d\u3002\u672c\u6307\u5357\u5c07\u63a2\u8a0eDFD\u7684\u985e\u578b\u3001\u512a\u52e2\u3001\u4f7f\u7528\u7684\u7b26\u865f\u3001\u7d30\u7bc0\u5c64\u7d1a\u4ee5\u53ca\u5be6\u969b\u7bc4\u4f8b\uff0c\u4ee5\u63d0\u5347\u60a8\u5c0dDFD\u7684\u7406\u89e3\u8207\u61c9\u7528\u3002<\/p>\n<p><img alt=\"Data Flow Diagram (DFD) Software\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/11\/dfd.png\"\/><\/p>\n<h2>\u8cc7\u6599\u6d41\u5716\u7684\u985e\u578b<\/h2>\n<p>DFD\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\u985e\u578b\uff1a<strong>\u908f\u8f2f<\/strong>\u8207<strong>\u5be6\u9ad4<\/strong>.<\/p>\n<p><img alt=\"Logical vs Physical Data Flow Diagrams\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/11\/03-dfd-example-physical-to-logical-dfd.png\"\/><\/p>\n<h3>\u908f\u8f2fDFD<\/h3>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/understanding-logical-dfd-vs-physical-dfd-when-and-why-we-need-them\/\">\u908f\u8f2fDFD<\/a>\u4ee3\u8868\u7cfb\u7d71\u5167\u8cc7\u8a0a\u7684\u7406\u8ad6\u6d41\u52d5\u3002\u5b83\u5011\u8457\u91cd\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u4f86\u6e90<\/strong>\uff1a\u8cc7\u6599\u4f86\u81ea\u4f55\u8655\u3002<\/li>\n<li><strong>\u8f49\u63db\u9ede<\/strong>\uff1a\u8cc7\u6599\u5982\u4f55\u88ab\u8655\u7406\u3002<\/li>\n<li><strong>\u6700\u7d42\u76ee\u7684\u5730<\/strong>\uff1a\u8cc7\u6599\u6700\u7d42\u5230\u9054\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u5716\u8868\u5c0d\u65bc\u7406\u89e3\u7cfb\u7d71\u7684\u6982\u5ff5\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>\u5be6\u9ad4DFD<\/h3>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/understanding-logical-dfd-vs-physical-dfd-when-and-why-we-need-them\/\">\u5be6\u9ad4DFD<\/a>\u5c55\u793a\u8cc7\u6599\u6d41\u7684\u5be6\u969b\u9762\u5411\u3002\u5b83\u5011\u5305\u542b\uff1a<\/p>\n<ul>\n<li><strong>\u5177\u9ad4\u7d44\u4ef6<\/strong>\uff1a\u8edf\u9ad4\u3001\u786c\u9ad4\u3001\u6a94\u6848\u3001\u54e1\u5de5\u8207\u5ba2\u6236\u3002<\/li>\n<li><strong>\u4e92\u52d5<\/strong>\uff1a\u9019\u4e9b\u5143\u7d20\u5982\u4f55\u5354\u540c\u5de5\u4f5c\u4ee5\u4fc3\u9032\u8cc7\u6599\u6d41\u52d5\u3002<\/li>\n<\/ul>\n<p>\u7121\u8ad6\u662f<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/logical-vs-physical-data-flow-diagrams\/\">\u908f\u8f2f\u8207\u5be6\u9ad4DFD<\/a>\u90fd\u53ef\u4ee5\u7368\u7acb\u6216\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u7cfb\u7d71\u6216\u6d41\u7a0b\u7684\u6574\u9ad4\u8996\u89d2\u3002<\/p>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u8207\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\u5716\u8868<\/h2>\n<p>\u96d6\u7136\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u8207\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\uff08UML\uff09\u5716\u8868\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u8655\uff0c\u4f46\u5b83\u5011\u5404\u81ea\u5177\u6709\u4e0d\u540c\u7684\u7528\u9014\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u6d41\u7a0b\u5716<\/strong>\uff1a\u63d0\u4f9b\u8cc7\u6599\u6d41\u7684\u9ad8\u968e\u6982\u89bd\uff0c\u4f7f\u5176\u6210\u70ba\u5c0b\u6c42\u6574\u9ad4\u7406\u89e3\u4e4b\u5229\u5bb3\u95dc\u4fc2\u4eba\u7406\u60f3\u7684\u5de5\u5177\u3002<\/li>\n<li><strong>\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\u5716\u8868<\/strong>\uff1a\u63d0\u4f9b\u5c0d\u7d50\u69cb\u8207\u884c\u70ba\u65b9\u9762\u7684\u8a73\u7d30\u6d1e\u5bdf\uff0c\u5c0d\u9700\u8981\u7d30\u7bc0\u8cc7\u8a0a\u4ee5\u5efa\u69cb\u7cfb\u7d71\u7684\u958b\u767c\u4eba\u54e1\u6975\u5177\u5e6b\u52a9\u3002<\/li>\n<\/ul>\n<p>\u7d50\u5408\u4f7f\u7528\u8cc7\u6599\u6d41\u7a0b\u5716\u8207<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\">\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\u5716\u8868<\/a>\u53ef\u63d0\u5347\u7cfb\u7d71\u8a2d\u8a08\uff1a\u4ee5\u8cc7\u6599\u6d41\u7a0b\u5716\u63d0\u4f9b\u6574\u9ad4\u6982\u8981\uff0c\u4ee5\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\u5716\u8868\u9032\u884c\u6df1\u5165\u958b\u767c\u3002<\/p>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u7684\u512a\u52e2<\/h2>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u63d0\u4f9b\u591a\u9805\u512a\u52e2\uff1a<\/p>\n<h3>\u6613\u7528\u6027<\/h3>\n<p>\u8996\u89ba\u5316\u5448\u73fe\u7c21\u5316\u8907\u96dc\u6982\u5ff5\uff0c\u4f7f\u5176\u6bd4\u6587\u5b57\u63cf\u8ff0\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u9019\u6709\u52a9\u65bc\u8a18\u61b6\u8207\u7406\u89e3\u3002<\/p>\n<h3>\u6e05\u6670\u5ea6<\/h3>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u6e05\u695a\u5448\u73fe\u7cfb\u7d71\u8207\u6d41\u7a0b\uff0c\u78ba\u4fdd\u5718\u968a\u4e00\u81f4\u3002\u9019\u7a2e\u6e05\u6670\u5ea6\u4f7f\u8a0e\u8ad6\u6d41\u7a0b\u512a\u5316\u8207\u8ffd\u8e64\u696d\u52d9\u6d41\u7a0b\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n<h3>\u751f\u7522\u529b<\/h3>\n<p>\u7531\u65bc\u7406\u89e3\u66f4\u52a0\u6df1\u5165\uff0c\u8cc7\u6599\u6d41\u7a0b\u5716\u53ef\u6e1b\u5c11\u932f\u8aa4\uff0c\u63d0\u5347\u5718\u968a\u6548\u80fd\u8207\u751f\u7522\u529b\u3002\u540c\u6642\u4e5f\u6709\u52a9\u65bc\u8b58\u5225\u696d\u52d9\u904b\u4f5c\u4e2d\u7684\u6548\u7387\u8207\u4f4e\u6548\u5340\u57df\u3002<\/p>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u7b26\u865f<\/h2>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u4f7f\u7528\u6a19\u6e96\u5316\u7b26\u865f\u4f86\u5448\u73fe\u4e0d\u540c\u7684\u7cfb\u7d71\u5143\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u5be6\u9ad4<\/strong>\uff1a\u4ee5\u77e9\u5f62\u6216\u5713\u5f62\u8868\u793a\uff0c\u4ee3\u8868\u767c\u9001\u6216\u63a5\u6536\u8cc7\u6599\u7684\u5916\u90e8\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u6d41\u7a0b<\/strong>\uff1a\u4ee5\u5713\u5f62\u6216\u77e9\u5f62\u8868\u793a\uff0c\u7528\u65bc\u64cd\u4f5c\u8cc7\u6599\u4e26\u7ba1\u7406\u5176\u6d41\u52d5\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5132\u5b58<\/strong>\uff1a\u4ee5\u958b\u53e3\u77e9\u5f62\u8868\u793a\uff0c\u7528\u65bc\u5132\u5b58\u672a\u4f86\u4f7f\u7528\u7684\u8cc7\u8a0a\u3002<\/li>\n<li><strong>\u8cc7\u6599\u6d41<\/strong>\uff1a\u7bad\u982d\u7528\u4ee5\u8868\u793a\u8cc7\u6599\u5728\u5be6\u9ad4\u3001\u6d41\u7a0b\u8207\u8cc7\u6599\u5132\u5b58\u4e4b\u9593\u7684\u79fb\u52d5\u65b9\u5411\u3002<\/li>\n<\/ul>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u7684\u5c64\u7d1a<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/dfd-maker\/\">\u8cc7\u6599\u6d41\u7a0b\u5716<\/a>\u5728\u7d30\u7bc0\u7a0b\u5ea6\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u53ef\u5206\u70ba\u300c<a href=\"https:\/\/guides.visual-paradigm.com\/understanding-data-flow-diagram-dfd-levels-and-levelling-criteria\/\">\u591a\u500b\u5c64\u7d1a<\/a>:<\/p>\n<p><img alt=\"Navigating System Complexity: A Comprehensive Guide to Data Flow Diagram  Levels - Visual Paradigm Guides\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/11\/17-balancing-dfd.png\"\/><\/p>\n<h3>\u7b2c 0 \u5c64\uff1a\u4e0a\u4e0b\u6587\u5716<\/h3>\n<p>\u6b64\u9ad8\u968e\u6982\u89c0\u7a81\u51fa\u986f\u793a\u4e3b\u8981\u6d41\u7a0b\u548c\u8cc7\u6599\u4f86\u6e90\uff0c\u800c\u4e0d\u6df1\u5165\u7d30\u7bc0\u3002<\/p>\n<h3>\u7b2c 1 \u5c64\uff1a\u6d41\u7a0b\u5206\u89e3<\/h3>\n<p>\u7b2c 1 \u5c64\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\u5c07\u7cfb\u7d71\u5206\u89e3\u70ba\u5b50\u6d41\u7a0b\uff0c\u63d0\u4f9b\u66f4\u8a73\u7d30\u7684\u8cc7\u8a0a\uff0c\u540c\u6642\u4fdd\u6301\u8f03\u5ee3\u7684\u8996\u91ce\u3002<\/p>\n<h3>\u7b2c 2 \u5c64\uff1a\u6df1\u5165\u63a2\u8a0e<\/h3>\n<p>\u9019\u4e9b\u5716\u8868\u63d0\u4f9b\u6bcf\u500b\u5b50\u6d41\u7a0b\u66f4\u7d30\u7dfb\u7684\u8996\u89d2\uff0c\u8a73\u7d30\u8aaa\u660e\u7279\u5b9a\u7684\u4e92\u52d5\u8207\u8cc7\u6599\u6d41\u3002<\/p>\n<h3>\u7b2c 3 \u5c64\u53ca\u66f4\u9ad8\u5c64\uff1a\u8907\u96dc\u5ea6\u589e\u52a0<\/h3>\n<p>\u9ad8\u968e\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\uff08\u7b2c 3 \u5c64\u53ca\u4ee5\u4e0a\uff09\u7531\u65bc\u5176\u8907\u96dc\u6027\uff0c\u8f03\u5c11\u898b\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u6e05\u6670\u5ea6\u3002<\/p>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u7bc4\u4f8b \u2013 \u81ea\u4e0a\u800c\u4e0b\u7684\u5206\u89e3\u904e\u7a0b<\/h2>\n<ul>\n<li>\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u662f\u7cfb\u7d71\u5167\u8cc7\u6599\u6d41\u52d5\u7684\u5716\u5f62\u5316\u8868\u793a\u3002\u5b83\u5011\u7528\u65bc\u8996\u89ba\u5316\u8cc7\u8a0a\u5982\u4f55\u5728\u5404\u500b\u6d41\u7a0b\u4e2d\u6d41\u52d5\uff0c\u7a81\u51fa\u986f\u793a\u8f38\u5165\u3001\u8f38\u51fa\u3001\u8cc7\u6599\u5132\u5b58\u4ee5\u53ca\u76f8\u95dc\u7684\u5916\u90e8\u5be6\u9ad4\u3002DFD \u901a\u5e38\u5206\u70ba\u591a\u500b\u5c64\u7d1a\uff0c\u6bcf\u4e00\u5c64\u63d0\u4f9b\u7cfb\u7d71\u66f4\u8a73\u7d30\u7684\u8996\u5716\u3002\u5728\u6b64\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5f9e\u7b2c 0 \u5c64\u5230\u7b2c 2 \u5c64\u7684 DFD \u7bc4\u4f8b\u3002<br \/>\n<h3>\u7b2c 0 \u5c64 DFD\uff08\u4e0a\u4e0b\u6587\u5716\uff09<\/h3>\n<p>\u7b2c 0 \u5c64 DFD\uff0c\u4e5f\u7a31\u70ba\u4e0a\u4e0b\u6587\u5716\uff0c\u63d0\u4f9b\u6574\u500b\u7cfb\u7d71\u7684\u9ad8\u968e\u6982\u89c0\u3002\u5b83\u5c07\u7cfb\u7d71\u5448\u73fe\u70ba\u55ae\u4e00\u6d41\u7a0b\uff0c\u4e26\u986f\u793a\u5176\u8207\u5916\u90e8\u5be6\u9ad4\u7684\u4e92\u52d5\u3002\u6b64\u5716\u65e8\u5728\u8b93\u5ee3\u6cdb\u7684\u89c0\u773e\uff08\u5305\u62ec\u5229\u76ca\u76f8\u95dc\u8005\u3001\u696d\u52d9\u5206\u6790\u5e2b\u548c\u958b\u767c\u4eba\u54e1\uff09\u8f15\u9b06\u7406\u89e3\u3002<\/p>\n<p><strong>\u7bc4\u4f8b\uff1a\u5496\u5561\u5e97\u7cfb\u7d71<\/strong><\/p>\n<ul>\n<li><strong>\u6d41\u7a0b<\/strong>\uff1a\u5496\u5561\u5e97\uff08P1\uff09<\/li>\n<li><strong>\u5916\u90e8\u5be6\u9ad4<\/strong>\uff1a\u9867\u5ba2\u3001\u4f9b\u61c9\u5546\u3001\u4ed8\u6b3e\u7db2\u95dc<\/li>\n<li><strong>\u8cc7\u6599\u6d41<\/strong>:\n<ul>\n<li>\u9867\u5ba2\u63d0\u4f9b\u8a02\u55ae\u8207\u4ed8\u6b3e\u3002<\/li>\n<li>\u4f9b\u61c9\u5546\u63d0\u4f9b\u5eab\u5b58\u3002<\/li>\n<li>\u4ed8\u6b3e\u7db2\u95dc\u8655\u7406\u4ea4\u6613\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5728\u6b64\u5716\u4e2d\uff0c\u5496\u5561\u5e97\u662f\u6838\u5fc3\u6d41\u7a0b\uff0c\u7bad\u982d\u8868\u793a\u8207\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u7684\u8cc7\u6599\u6d41\u3002<\/p>\n<h3>\u7b2c 1 \u5c64 DFD<\/h3>\n<p>\u7b2c 1 \u5c64 DFD \u5c07\u4e0a\u4e0b\u6587\u5716\u4e2d\u7684\u55ae\u4e00\u6d41\u7a0b\u5206\u89e3\u70ba\u66f4\u5177\u9ad4\u7684\u5b50\u6d41\u7a0b\u3002\u5b83\u63d0\u4f9b\u4e86\u7cfb\u7d71\u4e3b\u8981\u529f\u80fd\u5340\u57df\u7684\u66f4\u8a73\u7d30\u8996\u5716\u3002<\/p>\n<p><strong>\u7bc4\u4f8b\uff1a\u5496\u5561\u5e97\u7cfb\u7d71<\/strong><\/p>\n<ul>\n<li><strong>\u5b50\u6d41\u7a0b<\/strong>:\n<ul>\n<li>P1.1\uff1a\u8a02\u55ae\u7ba1\u7406<\/li>\n<li>P1.2\uff1a\u4f9b\u61c9\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8cc7\u6599\u6d41<\/strong>:\n<ul>\n<li>\u8a02\u55ae\u7ba1\u7406\u8655\u7406\u5ba2\u6236\u8a02\u55ae\u3001\u4ed8\u6b3e\u53ca\u8a02\u55ae\u72c0\u614b\u3002<\/li>\n<li>\u4f9b\u61c9\u7ba1\u7406\u8655\u7406\u5eab\u5b58\u6c34\u5e73\u3001\u4f9b\u61c9\u5546\u8a02\u55ae\u53ca\u5eab\u5b58\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5728\u6b64\u5716\u4e2d\uff0c\u5496\u5561\u5e97\u6d41\u7a0b\u88ab\u5206\u89e3\u70ba\u8a02\u55ae\u7ba1\u7406\u548c\u4f9b\u61c9\u7ba1\u7406\uff0c\u9019\u4e9b\u5b50\u6d41\u7a0b\u8207\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u5177\u6709\u8a73\u7d30\u7684\u8cc7\u6599\u6d41\u3002<\/p>\n<h3>\u7b2c\u4e8c\u5c64\u8cc7\u6599\u6d41\u7a0b\u5716<\/h3>\n<p>\u7b2c\u4e8c\u5c64\u8cc7\u6599\u6d41\u7a0b\u5716\u900f\u904e\u5c07\u7b2c\u4e00\u5c64\u8cc7\u6599\u6d41\u7a0b\u5716\u4e2d\u8b58\u5225\u51fa\u7684\u5b50\u6d41\u7a0b\u9032\u4e00\u6b65\u5206\u89e3\u70ba\u66f4\u7d30\u7684\u5b50\u6d41\u7a0b\uff0c\u63d0\u4f9b\u66f4\u8a73\u7d30\u7684\u8996\u5716\u3002\u6b64\u5c64\u6b21\u63d0\u4f9b\u4e86\u7cfb\u7d71\u904b\u4f5c\u7684\u7d30\u7bc0\u8996\u89d2\u3002<\/p>\n<p><strong>\u7bc4\u4f8b\uff1a\u5496\u5561\u5e97\u7cfb\u7d71<\/strong><\/p>\n<ul>\n<li><strong>\u8a02\u55ae\u7ba1\u7406\u5b50\u6d41\u7a0b<\/strong>:\n<ul>\n<li>P1.1.1\uff1a\u63a5\u6536\u8a02\u55ae<\/li>\n<li>P1.1.2\uff1a\u8655\u7406\u4ed8\u6b3e<\/li>\n<li>P1.1.3\uff1a\u6e96\u5099\u8a02\u55ae<\/li>\n<li>P1.1.4\uff1a\u4ea4\u4ed8\u8a02\u55ae<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f9b\u61c9\u7ba1\u7406\u5b50\u6d41\u7a0b<\/strong>:\n<ul>\n<li>P1.2.1\uff1a\u6aa2\u67e5\u5eab\u5b58<\/li>\n<li>P1.2.2\uff1a\u4e0b\u8a02\u4f9b\u61c9\u5546\u8a02\u55ae<\/li>\n<li>P1.2.3\uff1a\u63a5\u6536\u4f9b\u61c9\u54c1<\/li>\n<li>P1.2.4\uff1a\u66f4\u65b0\u5eab\u5b58<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5728\u6b64\u5716\u4e2d\uff0c\u7b2c\u4e00\u5c64\u8cc7\u6599\u6d41\u7a0b\u5716\u4e2d\u7684\u6bcf\u500b\u5b50\u6d41\u7a0b\u90fd\u88ab\u9032\u4e00\u6b65\u5206\u89e3\u3002\u4f8b\u5982\uff0c\u8a02\u55ae\u7ba1\u7406\u88ab\u5206\u89e3\u70ba\u63a5\u6536\u8a02\u55ae\u3001\u8655\u7406\u4ed8\u6b3e\u3001\u6e96\u5099\u8a02\u55ae\u548c\u4ea4\u4ed8\u8a02\u55ae\uff0c\u9019\u4e9b\u5b50\u6d41\u7a0b\u8207\u76f8\u95dc\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u5177\u6709\u8a73\u7d30\u7684\u8cc7\u6599\u6d41\u3002<\/p>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u7528\u65bc\u8996\u89ba\u5316\u548c\u7406\u89e3\u7cfb\u7d71\u5167\u8cc7\u6599\u6d41\u52d5\u7684\u91cd\u8981\u5de5\u5177\u3002\u900f\u904e\u5c07\u8cc7\u6599\u6d41\u7a0b\u5716\u5206\u70ba\u4e0d\u540c\u5c64\u7d1a\uff0c\u53ef\u4ee5\u9010\u6b65\u8a73\u8ff0\u7cfb\u7d71\u7684\u904b\u4f5c\uff0c\u5f9e\u9ad8\u968e\u6982\u89bd\u5230\u7279\u5b9a\u6d41\u7a0b\u7684\u7d30\u7bc0\u8996\u5716\u3002\u9019\u7a2e\u7d50\u69cb\u5316\u65b9\u6cd5\u6709\u52a9\u65bc\u6709\u6548\u5206\u6790\u3001\u8a2d\u8a08\u548c\u6539\u5584\u7cfb\u7d71\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u5efa\u7acb\u8cc7\u6599\u6d41\u7a0b\u5716<\/h2>\n<p>\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\u4ee5\u5efa\u7acb\u6709\u6548\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\uff1a<\/p>\n<ol>\n<li><strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a\u78ba\u4fdd\u6bcf\u500b\u6d41\u7a0b\u81f3\u5c11\u6709\u4e00\u500b\u8f38\u5165\u548c\u8f38\u51fa\uff1b\u8cc7\u6599\u5132\u5b58\u5fc5\u9808\u6709\u8cc7\u6599\u6d41\u5165\u548c\u6d41\u51fa\u3002<\/li>\n<li><strong>\u9078\u64c7\u4e00\u500b\u7cfb\u7d71\u6216\u6d41\u7a0b<\/strong>\uff1a\u9078\u64c7\u4e00\u500b\u7279\u5b9a\u9818\u57df\u9032\u884c\u5206\u6790\u3002<\/li>\n<li><strong>\u5206\u985e\u696d\u52d9\u6d3b\u52d5<\/strong>\uff1a\u8b58\u5225\u5916\u90e8\u5be6\u9ad4\u3001\u8cc7\u6599\u6d41\u3001\u6d41\u7a0b\u548c\u8cc7\u6599\u5132\u5b58\u3002<\/li>\n<li><strong>\u7e6a\u88fd\u4e0a\u4e0b\u6587DFD<\/strong>\uff1a\u5f9eLevel 0 DFD\u958b\u59cb\uff0c\u6982\u8ff0\u57fa\u672c\u7684\u9023\u63a5\u8207\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u9a57\u8b49\u6e96\u78ba\u6027<\/strong>\uff1a\u6aa2\u67e5\u60a8\u7684\u5716\u8868\u662f\u5426\u5b8c\u6574\u4e14\u6b63\u78ba\u3002<\/li>\n<li><strong>\u5efa\u7acb\u5b50\u5716<\/strong>\uff1a\u70baLevel 0 DFD\u4e2d\u8b58\u5225\u51fa\u7684\u5b50\u6d41\u7a0b\u958b\u767c\u5716\u8868\u3002<\/li>\n<li><strong>\u64f4\u5c55\u70baLevel 1 DFD<\/strong>\uff1a\u7e6a\u88fd\u6d41\u7a0b\u4e4b\u9593\u7684\u8a73\u7d30\u9023\u63a5\u3002<\/li>\n<li><strong>\u5fc5\u8981\u6642\u9032\u884c\u8fed\u4ee3<\/strong>\uff1a\u6839\u64da\u9700\u8981\u5efa\u7acb\u984d\u5916\u7684DFD\u6216\u9032\u4e00\u6b65\u5206\u89e3\u6d41\u7a0b\u3002<\/li>\n<\/ol>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u63d0\u793a<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177<\/strong>\uff1a\u4f7f\u7528Visual Paradigm\u7b49\u8edf\u9ad4\uff0c\u4ee5\u8f15\u9b06\u5efa\u7acb\u548c\u7de8\u8f2fDFD\u3002<\/li>\n<li><strong>\u5f9e\u57fa\u790e\u958b\u59cb<\/strong>\uff1a\u7406\u89e3\u60a8\u6240\u5b9a\u7fa9\u6d41\u7a0b\u7684\u6bcf\u500b\u65b9\u9762\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u73fe\u6709\u6d41\u7a0b<\/strong>\uff1a\u900f\u904e\u5206\u6790\u73fe\u6709\u5de5\u4f5c\u6d41\u7a0b\uff0c\u8b58\u5225\u6539\u9032\u5340\u57df\u3002<\/li>\n<li><strong>\u7a81\u51fa\u6539\u9032\u6a5f\u6703<\/strong>\uff1a\u4f7f\u7528\u60a8\u7684DFD\u4f86\u8996\u89ba\u5316\u9700\u8981\u6539\u5584\u7684\u5340\u57df\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u8207\u66f4\u65b0<\/strong>\uff1a\u5be6\u65bd\u60a8\u7684\u6d41\u7a0b\uff0c\u9032\u884c\u6e2c\u8a66\u4e26\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/li>\n<li><strong>\u8b58\u5225\u76f8\u95dc\u6d41\u7a0b<\/strong>\uff1a\u5c0b\u627e\u53ef\u80fd\u9700\u8981\u512a\u5316\u7684\u984d\u5916\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h3>\u7d50\u8ad6<\/h3>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\uff08<a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\">DFDs<\/a>\uff09\u662f\u7cfb\u7d71\u5206\u6790\u8207\u8a2d\u8a08\u4e2d\u6975\u5176\u91cd\u8981\u7684\u5de5\u5177\uff0c\u63d0\u4f9b\u4e00\u7a2e\u6e05\u6670\u4e14\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u4f86\u8996\u89ba\u5316\u7cfb\u7d71\u5167\u8cc7\u6599\u7684\u6d41\u52d5\u3002\u900f\u904e\u5c07<a href=\"https:\/\/guides.visual-paradigm.com\/navigating-system-complexity-a-comprehensive-guide-to-data-flow-diagram-levels\/\">DFD\u5206\u70ba\u4e0d\u540c\u5c64\u7d1a<\/a>\u2014\u5f9e\u7b2c0\u7d1a\u5230\u7b2c2\u7d1a\u2014\u6211\u5011\u53ef\u4ee5\u9010\u6b65\u8a73\u8ff0\u7cfb\u7d71\u7684\u904b\u4f5c\uff0c\u63d0\u4f9b\u5c0d\u9ad8\u968e\u7406\u89e3\u8207\u7d30\u7bc0\u5206\u6790\u90fd\u81f3\u95dc\u91cd\u8981\u7684\u6d1e\u5bdf\u3002<\/p>\n<p><strong>\u7b2c0\u7d1a\u8cc7\u6599\u6d41\u7a0b\u5716<\/strong>\u63d0\u4f9b\u60c5\u5883\u6982\u89bd\uff0c\u4f7f\u5176\u5c0d\u5ee3\u6cdb\u7684\u53d7\u773e\u90fd\u6613\u65bc\u7406\u89e3\uff0c\u975e\u5e38\u9069\u5408\u7528\u65bc\u521d\u6b65\u4e86\u89e3\u7cfb\u7d71\u3002<strong>\u7b2c1\u7d1a\u8cc7\u6599\u6d41\u7a0b\u5716<\/strong>\u5c07\u4e3b\u8981\u6d41\u7a0b\u5206\u89e3\u70ba\u529f\u80fd\u5340\u57df\uff0c\u63d0\u4f9b\u66f4\u8a73\u7d30\u4f46\u4ecd\u5177\u5ee3\u6cdb\u6027\u7684\u7cfb\u7d71\u8996\u5716\u3002<strong>\u7b2c2\u7d1a\u8cc7\u6599\u6d41\u7a0b\u5716<\/strong>\u9032\u4e00\u6b65\u6df1\u5165\uff0c\u5c07\u5b50\u6d41\u7a0b\u5206\u89e3\u70ba\u66f4\u7d30\u5fae\u7684\u7d44\u6210\u90e8\u5206\uff0c\u9019\u5c0d\u65bc\u8a73\u7d30\u7684\u7cfb\u7d71\u8a2d\u8a08\u8207\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u7d50\u69cb\u5316\u7684\u65b9\u6cd5\uff0c\u5982<a 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