{"id":6395,"date":"2026-02-04T18:17:48","date_gmt":"2026-02-04T10:17:48","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/comprehensive-guide-to-data-flow-diagrams-dfd-demystifying-information-flow\/"},"modified":"2026-02-04T18:17:48","modified_gmt":"2026-02-04T10:17:48","slug":"comprehensive-guide-to-data-flow-diagrams-dfd-demystifying-information-flow","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/comprehensive-guide-to-data-flow-diagrams-dfd-demystifying-information-flow\/","title":{"rendered":"\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u5168\u9762\u6307\u5357\uff1a\u63ed\u79d8\u4fe1\u606f\u6d41\u52a8"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u590d\u6742\u7cfb\u7edf\u7684\u8ff7\u5bab\u4e2d\u7a7f\u884c\uff0c\u9700\u8981\u4e00\u76cf\u6e05\u6670\u7684\u660e\u706f\uff0c\u800c\u8fd9\u6b63\u662f<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\">\u6570\u636e\u6d41\u56fe<\/a>\uff08DFD\uff09\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002\u5728\u8fd9\u4efd\u5168\u9762\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8DFD\uff0c\u4e0d\u4ec5\u63d0\u4f9b\u793a\u4f8b\uff0c\u8fd8\u5c06\u8be6\u7ec6\u89e3\u6790\u5176\u7ec4\u6210\u90e8\u5206\u3001\u89c4\u5219\u3001\u4f18\u52bf\u3001\u52a3\u52bf\u4ee5\u53ca\u4e00\u6b65\u6b65\u7684\u6559\u7a0b\u3002<\/p>\n<h3><strong>\u7406\u89e3\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\uff1a<\/strong><\/h3>\n<p>\u672c\u8d28\u4e0a\uff0c\u6570\u636e\u6d41\u56fe\u662f\u4e00\u79cd\u53ef\u89c6\u5316\u8868\u793a\u7cfb\u7edf\u5185\u6570\u636e\u6d41\u52a8\u65b9\u5f0f\u7684\u5de5\u5177\u3002\u5b83\u4f5c\u4e3a\u4e00\u5f20\u52a8\u6001\u5730\u56fe\uff0c\u5c55\u793a\u7cfb\u7edf\u5185\u6570\u636e\u7684\u8f93\u5165\u3001\u8f93\u51fa\u3001\u6765\u6e90\u3001\u5b58\u50a8\u548c\u76ee\u7684\u5730\u3002DFD\u7684\u5173\u952e\u8981\u7d20\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u5904\u7406\u8fc7\u7a0b\uff1a<\/strong> \u8fd9\u4e9b\u662f\u7cfb\u7edf\u5185\u7684\u6838\u5fc3\u6d3b\u52a8\uff0c\u4ece\u6570\u636e\u6536\u96c6\u7b49\u7b80\u5355\u4efb\u52a1\u5230\u751f\u6210\u7efc\u5408\u62a5\u544a\u7b49\u590d\u6742\u8fc7\u7a0b\u4e0d\u7b49\u3002<\/li>\n<li><strong>\u5916\u90e8\u5b9e\u4f53\uff1a<\/strong> \u8fd9\u4e9b\u662f\u4e0e\u7cfb\u7edf\u4ea4\u4e92\u7684\u4fe1\u606f\u6765\u6e90\u6216\u76ee\u7684\u5730\uff0c\u5305\u62ec\u4e2a\u4eba\u3001\u7ec4\u7ec7\u3001\u8ba1\u7b97\u673a\u6216\u5176\u4ed6\u7cfb\u7edf\u3002<\/li>\n<li><strong>\u6570\u636e\u5b58\u50a8\uff1a<\/strong> \u5b58\u653e\u6570\u636e\u7684\u5b58\u50a8\u5e93\uff0c\u4ee3\u8868\u9759\u6001\u4e14\u4e0d\u6d41\u52a8\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u6570\u636e\u6d41\uff1a<\/strong> \u5b83\u4eec\u5c55\u793a\u4e86\u6570\u636e\u5728\u5916\u90e8\u5b9e\u4f53\u3001\u6570\u636e\u5b58\u50a8\u548c\u5904\u7406\u8fc7\u7a0b\u4e4b\u95f4\u7684\u6d41\u52a8\uff0c\u63cf\u7ed8\u4e86\u6570\u636e\u5728\u7cfb\u7edf\u5185\u6240\u8d70\u7684\u8def\u5f84\u3002<\/li>\n<\/ol>\n<h4><strong>DFD\u4e2d\u4f7f\u7528\u7684\u7b26\u53f7\uff1a<\/strong><\/h4>\n<p>\u4e3a\u4e86\u4f7fDFD\u7684\u5404\u4e2a\u5143\u7d20\u751f\u52a8\u5448\u73b0\uff0c\u4f1a\u91c7\u7528Yourdon\u548cCoad\u7cfb\u7edf\u4e2d\u7684\u7b26\u53f7\uff0c\u4ece\u800c\u7b80\u5316\u8fd9\u4e9b\u56fe\u8868\u7684\u521b\u5efa\u4e0e\u7406\u89e3\u3002<\/p>\n<h3><strong>\u521b\u5efaDFD\u7684\u89c4\u5219\u4e0e\u6307\u5357\uff1a<\/strong><\/h3>\n<p>\u8981\u521b\u5efa\u4e00\u4e2a\u8fde\u8d2f\u4e14\u6613\u4e8e\u7406\u89e3\u7684DFD\uff0c\u5fc5\u987b\u9075\u5faa\u67d0\u4e9b\u89c4\u5219\uff1a<\/p>\n<ol>\n<li><strong>\u5904\u7406\u6d41\u7a0b\uff1a<\/strong> \u6bcf\u4e2a\u5904\u7406\u8fc7\u7a0b\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u6d41\u548c\u4e00\u4e2a\u8f93\u5165\u6570\u636e\u6d41\u3002<\/li>\n<li><strong>\u6570\u636e\u5b58\u50a8\u8fde\u63a5\u6027\uff1a<\/strong> \u6570\u636e\u5b58\u50a8\u5e94\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u5165\u548c\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u6d41\u3002<\/li>\n<li><strong>\u5b9e\u4f53-\u5904\u7406\u8fc7\u7a0b\u8fde\u63a5\uff1a<\/strong> \u5b9e\u4f53\u5fc5\u987b\u901a\u8fc7\u6570\u636e\u6d41\u4e0e\u5904\u7406\u8fc7\u7a0b\u76f8\u8fde\u3002<\/li>\n<li><strong>\u907f\u514d\u4ea4\u53c9\uff1a<\/strong> \u6570\u636e\u6d41\u4e0d\u80fd\u76f8\u4e92\u4ea4\u53c9\u3002<\/li>\n<li><strong>\u5916\u90e8\u5b9e\u4f53\u8bbf\u95ee\uff1a<\/strong> \u6570\u636e\u5b58\u50a8\u4e0d\u80fd\u76f4\u63a5\u4e0e\u5916\u90e8\u5b9e\u4f53\u8fde\u63a5\u3002<\/li>\n<\/ol>\n<h3><strong>DFD\u7684\u4f18\u70b9\u4e0e\u7f3a\u70b9\uff1a<\/strong><\/h3>\n<p>\u7406\u89e3DFD\u7684\u4f18\u7f3a\u70b9\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n<h4><strong>\u4f18\u70b9\uff1a<\/strong><\/h4>\n<ul>\n<li><strong>\u56fe\u5f62\u7b80\u6d01\u6027\uff1a<\/strong>\u4e00\u79cd\u89c6\u89c9\u4e0a\u76f4\u89c2\u7684\u6280\u672f\uff0c\u4fbf\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u548c\u7528\u6237\u7406\u89e3\u3002<\/li>\n<li><strong>\u8be6\u7ec6\u89c6\u56fe\uff1a<\/strong>\u63d0\u4f9b\u7cfb\u7edf\u7ec4\u4ef6\u548c\u8fb9\u754c\u7684\u6df1\u5165\u89c6\u56fe\u3002<\/li>\n<li><strong>\u529f\u80fd\u5206\u89e3\uff1a<\/strong>\u5c55\u793a\u7cfb\u7edf\u7684\u529f\u80fd\u5206\u89e3\uff0c\u8bf4\u660e\u4e0d\u540c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u6587\u6863\u4ef7\u503c\uff1a<\/strong>\u4f5c\u4e3a\u7cfb\u7edf\u6587\u6863\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h4><strong>\u7f3a\u70b9\uff1a<\/strong><\/h4>\n<ul>\n<li><strong>\u8017\u65f6\uff1a<\/strong>\u521b\u5efaDFD\u53ef\u80fd\u975e\u5e38\u8017\u65f6\u3002<\/li>\n<li><strong>\u65f6\u95f4\u4fe1\u606f\u7f3a\u5931\uff1a<\/strong>\u7f3a\u4e4f\u5173\u4e8e\u8fc7\u7a0b\u7684\u65f6\u95f4\u3001\u987a\u5e8f\u548c\u540c\u6b65\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u975e\u6280\u672f\u7528\u6237\u6311\u6218\uff1a<\/strong>\u53ef\u80fd\u5bf9\u975e\u6280\u672f\u7528\u6237\u7406\u89e3\u8be5\u56fe\u9020\u6210\u56f0\u96be\u3002<\/li>\n<\/ul>\n<h3><strong>DFD\u793a\u4f8b\uff1a<\/strong><\/h3>\n<ol>\n<li><strong>\u4e0a\u4e0b\u6587\u6570\u636e\u6d41\u56fe\uff08\u7b2c0\u5c42\uff09\uff1a<\/strong>\n<p>\u8fd9\u4e00\u9ad8\u5c42\u6982\u89c8\u4f7f\u7528\u5355\u4e00\u8fc7\u7a0b\u6765\u8868\u793a\u6574\u4e2a\u7cfb\u7edf\u529f\u80fd\u3002\u4ee5\u4e0b\u4e3a\u670d\u88c5\u8ba2\u8d2d\u7cfb\u7edf\u7684\u793a\u4f8b\uff1a<\/p>\n<p><img alt=\"Context DFD example\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/18-context-dfd-example.png\"\/><\/p>\n<p><em>\u521b\u5efa\u4e0a\u4e0b\u6587DFD\u7684\u6b65\u9aa4\uff1a<\/em><\/p>\n<ol>\n<li>\u5b9a\u4e49\u8fc7\u7a0b\u3002<\/li>\n<li>\u5217\u51fa\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li>\u5217\u51fa\u6570\u636e\u6d41\u3002<\/li>\n<li>\u7ed8\u5236\u56fe\u8868\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u7b2c1\u5c42\u6570\u636e\u6d41\u56fe\uff1a<\/strong>\n<p>\u5c06\u4e3b\u8fc7\u7a0b\u5206\u89e3\u4e3a\u5b50\u8fc7\u7a0b\u5e76\u5305\u542b\u6570\u636e\u5b58\u50a8\uff0c\u7b2c1\u5c42DFD\u63d0\u4f9b\u4e86\u66f4\u8be6\u7ec6\u7684\u89c6\u56fe\u3002\u793a\u4f8b\uff1a<\/p>\n<p><img alt=\"Level 1 DFD example\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/19-level-1-dfd-example.png\"\/><\/p>\n<p><em>\u521b\u5efa\u7b2c1\u5c42DFD\u7684\u6b65\u9aa4\uff1a<\/em><\/p>\n<ol>\n<li>\u5b9a\u4e49\u8fc7\u7a0b\uff08\u4e3b\u8fc7\u7a0b\u548c\u5b50\u8fc7\u7a0b\uff09\u3002<\/li>\n<li>\u5217\u51fa\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<li>\u5217\u51fa\u6570\u636e\u5b58\u50a8\u3002<\/li>\n<li>\u5217\u51fa\u6570\u636e\u6d41\u3002<\/li>\n<li>\u7ed8\u5236\u56fe\u8868\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h3><strong>\u521b\u5efa\u6570\u636e\u6d41\u56fe\uff1a<\/strong><\/h3>\n<p>Visual Paradigm \u662f\u521b\u5efa\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u7684\u7edd\u4f73\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u591a\u529f\u80fd\u6027\u3001\u7528\u6237\u53cb\u597d\u7684\u754c\u9762\uff0c\u5e76\u4e14\u63d0\u4f9b\u5728\u7ebf\u7248\u548c\u684c\u9762\u7248\u3002\u4ee5\u4e0b\u662f Visual Paradigm \u4e3a\u4f55\u6210\u4e3a\u9996\u9009\u63a8\u8350\u7684\u539f\u56e0\uff1a<\/p>\n<h3><strong>Visual Paradigm\uff1a\u5168\u9762\u7684 DFD \u5de5\u5177<\/strong><\/h3>\n<h4>1. <strong>\u591a\u529f\u80fd\u6027\uff1a<\/strong><\/h4>\n<p>Visual Paradigm \u652f\u6301\u591a\u79cd\u56fe\u8868\u7c7b\u578b\uff0c\u4f7f\u5176\u6210\u4e3a\u6ee1\u8db3\u5404\u79cd\u53ef\u89c6\u5316\u5efa\u6a21\u9700\u6c42\u7684\u5168\u9762\u89e3\u51b3\u65b9\u6848\u3002\u4ece DFD \u5230 UML \u56fe\u8868\uff0c\u5b83\u6db5\u76d6\u4e86\u5e7f\u6cdb\u7684\u56fe\u8868\u7ed8\u5236\u9700\u6c42\u3002<\/p>\n<h4>2. <strong>\u7528\u6237\u53cb\u597d\u7684\u754c\u9762\uff1a<\/strong><\/h4>\n<p>\u65e0\u8bba\u60a8\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u4e13\u4e1a\u4eba\u58eb\u8fd8\u662f\u521d\u5b66\u8005\uff0cVisual Paradigm \u90fd\u63d0\u4f9b\u76f4\u89c2\u7684\u754c\u9762\uff0c\u7b80\u5316\u4e86\u521b\u5efa\u590d\u6742\u56fe\u8868\u7684\u8fc7\u7a0b\u3002\u62d6\u653e\u529f\u80fd\u548c\u53ef\u81ea\u5b9a\u4e49\u7684\u6a21\u677f\u4f7f\u521b\u5efa\u89c6\u89c9\u4e0a\u5438\u5f15\u4eba\u7684 DFD \u53d8\u5f97\u8f7b\u677e\u3002<\/p>\n<h4>3. <strong>\u5728\u7ebf\u7248\u548c\u684c\u9762\u7248\uff1a<\/strong><\/h4>\n<p>Visual Paradigm \u63d0\u4f9b\u5728\u7ebf\u7248\u548c\u684c\u9762\u7248\u7684\u7075\u6d3b\u6027\uff0c\u8ba9\u7528\u6237\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u504f\u597d\u548c\u9700\u6c42\u9009\u62e9\u6700\u9002\u5408\u7684\u5e73\u53f0\u3002\u5728\u7ebf\u7248\u652f\u6301\u534f\u4f5c\u5de5\u4f5c\uff0c\u800c\u684c\u9762\u7248\u5219\u63d0\u4f9b\u79bb\u7ebf\u529f\u80fd\u3002<\/p>\n<h4>4. <strong>\u514d\u8d39\u7248\u672c\u53ef\u7528\uff1a<\/strong><\/h4>\n<p>\u5c3d\u7ba1 Visual Paradigm \u5728\u4ed8\u8d39\u7248\u672c\u4e2d\u63d0\u4f9b\u9ad8\u7ea7\u529f\u80fd\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e00\u4e2a\u5305\u542b\u57fa\u672c\u529f\u80fd\u7684\u514d\u8d39\u7248\u672c\u3002\u8fd9\u4f7f\u5f97\u4e0d\u540c\u9884\u7b97\u7684\u7528\u6237\u90fd\u80fd\u4f7f\u7528\uff0c\u540c\u65f6\u4ecd\u80fd\u83b7\u5f97\u5f3a\u5927\u7684\u56fe\u8868\u7ed8\u5236\u4f53\u9a8c\u3002<\/p>\n<h4>5. <strong>\u5b9e\u65f6\u534f\u4f5c\uff1a<\/strong><\/h4>\n<p>Visual Paradigm \u7684\u5728\u7ebf\u7248\u652f\u6301\u5b9e\u65f6\u534f\u4f5c\uff0c\u5141\u8bb8\u591a\u4e2a\u7528\u6237\u540c\u65f6\u5728\u540c\u4e00\u9879\u76ee\u4e0a\u5de5\u4f5c\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u534f\u4f5c\u7ed8\u5236\u56fe\u8868\u7684\u590d\u6742\u7cfb\u7edf\u5f00\u53d1\u56e2\u961f\u5c24\u5176\u6709\u76ca\u3002<\/p>\n<h4>6. <strong>\u4e30\u5bcc\u7684\u6587\u6863\u548c\u6559\u7a0b\uff1a<\/strong><\/h4>\n<p>Visual Paradigm \u63d0\u4f9b\u4e30\u5bcc\u7684\u6587\u6863\u548c\u6559\u7a0b\uff0c\u4f7f\u7528\u6237\u66f4\u5bb9\u6613\u5b66\u4e60\u5e76\u5145\u5206\u5229\u7528\u5176\u529f\u80fd\u3002\u8fd9\u79cd\u652f\u6301\u5bf9\u521d\u5b66\u8005\u548c\u5e0c\u671b\u5145\u5206\u6316\u6398\u5de5\u5177\u6f5c\u529b\u7684\u9ad8\u7ea7\u7528\u6237\u90fd\u5341\u5206\u6709\u4ef7\u503c\u3002<\/p>\n<h4>7. <strong>\u96c6\u6210\u80fd\u529b\uff1a<\/strong><\/h4>\n<p>Visual Paradigm \u53ef\u4e0e\u5176\u5b83\u5de5\u5177\u548c\u5e73\u53f0\u65e0\u7f1d\u96c6\u6210\uff0c\u589e\u5f3a\u4e86\u5176\u5728\u5404\u79cd\u5f00\u53d1\u73af\u5883\u4e2d\u7684\u5b9e\u7528\u6027\u3002\u65e0\u8bba\u60a8\u4f7f\u7528\u7684\u662f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u8fd8\u662f\u9879\u76ee\u7ba1\u7406\u5de5\u5177\uff0cVisual Paradigm \u90fd\u80fd\u878d\u5165\u60a8\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<h3><strong>\u5982\u4f55\u5f00\u59cb\uff1a<\/strong><\/h3>\n<ol>\n<li><strong>\u8bbf\u95ee Visual Paradigm \u5b98\u7f51\uff1a<\/strong>\u8bbf\u95ee Visual Paradigm \u5b98\u7f51\uff0c\u5e76\u9009\u62e9\u9002\u5408\u60a8\u9700\u6c42\u7684\u7248\u672c\uff08\u5728\u7ebf\u7248\u6216\u684c\u9762\u7248\uff09\u3002<\/li>\n<li><strong>\u4e0b\u8f7d\u548c\u5b89\u88c5\uff1a<\/strong> \u4e0b\u8f7d\u5e76\u5b89\u88c5\u684c\u9762\u7248\uff0c\u6216\u901a\u8fc7\u60a8\u7684\u7f51\u7edc\u6d4f\u89c8\u5668\u8bbf\u95ee\u5728\u7ebf\u7248\u3002<\/li>\n<li><strong>\u521b\u5efa\u514d\u8d39\u8d26\u6237\uff1a<\/strong> \u5982\u679c\u4f7f\u7528\u5728\u7ebf\u7248\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u514d\u8d39\u8d26\u6237\u4ee5\u5f00\u59cb\u4f7f\u7528\u3002\u5982\u679c\u4f7f\u7528\u684c\u9762\u7248\uff0c\u8bf7\u6309\u7167\u5b89\u88c5\u8bf4\u660e\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u63a2\u7d22\u6a21\u677f\u548c\u529f\u80fd\uff1a<\/strong> Visual Paradigm \u63d0\u4f9b\u591a\u79cdDFD\u6a21\u677f\u3002\u63a2\u7d22\u8fd9\u4e9b\u6a21\u677f\u5e76\u5f00\u59cb\u521b\u5efa\u60a8\u7684\u6570\u636e\u6d41\u56fe\u3002<\/li>\n<\/ol>\n<h3><strong>\u7ed3\u8bba<\/strong><\/h3>\n<p>\u9664\u4e86\u4e0a\u4e0b\u6587\u548c\u4e00\u7ea7DFD\u4e4b\u5916\uff0c\u8fd8\u6709\u66f4\u6df1\u5c42\u6b21\u7684\u7ea7\u522b\uff08\u4e8c\u7ea7\u548c\u4e09\u7ea7\uff09\uff0c\u80fd\u591f\u63d0\u4f9b\u5bf9\u7cfb\u7edf\u52a8\u6001\u66f4\u6df1\u5165\u7684\u7406\u89e3\u3002\u5c3d\u7ba1\u521b\u5efaDFD\u53ef\u80fd\u9700\u8981\u82b1\u8d39\u65f6\u95f4\uff0c\u4f46\u5b83\u5728\u8868\u8fbe\u548c\u4f20\u8fbe\u4e1a\u52a1\u6d41\u7a0b\u4e2d\u5173\u952e\u4fe1\u606f\u65b9\u9762\u7684\u4e0d\u53ef\u66ff\u4ee3\u4ef7\u503c\u4e0d\u5bb9\u5ffd\u89c6\u3002\u4ece\u5ba2\u6237\u8ba2\u5355\u7cfb\u7edf\u5230\u590d\u6742\u7684\u94f6\u884c\u6d41\u7a0b\uff0cDFD\u90fd\u662f\u6211\u4eec\u5728\u6570\u636e\u9a71\u52a8\u51b3\u7b56\u65c5\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4f19\u4f34\u3002\u7406\u89e3\u7cfb\u7edf\u5185\u4fe1\u606f\u6d41\u52a8\u7684\u590d\u6742\u6027\u5bf9\u4e8e\u4f18\u5316\u6d41\u7a0b\u548c\u505a\u51fa\u660e\u667a\u51b3\u7b56\u81f3\u5173\u91cd\u8981\uff0c\u800c\u6570\u636e\u6d41\u56fe\u6b63\u662f\u8fd9\u4e00\u65c5\u7a0b\u4e2d\u7684\u6307\u5357\u9488\u3002<\/p>\n<p><a href=\"http:\/\/visual-paradigm.com\">Visual Paradigm<\/a> \u6210\u4e3a\u4e2a\u4eba\u548c\u56e2\u961f\u5728\u5bfb\u627e\u591a\u529f\u80fd\u3001\u7528\u6237\u53cb\u597d\u4e14\u514d\u8d39\u7684DFD\u5de5\u5177\u65f6\u7684\u53ef\u9760\u9009\u62e9\u3002\u5176\u5728\u7ebf\u7248\u548c\u684c\u9762\u7248\u7684\u53cc\u91cd\u53ef\u7528\u6027\u786e\u4fdd\u4e86\u7075\u6d3b\u6027\uff0c\u800c\u5176\u4e30\u5bcc\u7684\u529f\u80fd\u96c6\u548c\u534f\u4f5c\u80fd\u529b\u4f7f\u5176\u6210\u4e3a\u7cfb\u7edf\u5efa\u6a21\u548c\u7ed8\u56fe\u9700\u6c42\u4e2d\u7684\u5b9d\u8d35\u8d44\u4ea7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u590d\u6742\u7cfb\u7edf\u7684\u8ff7\u5bab\u4e2d\u7a7f\u884c\uff0c\u9700\u8981\u4e00\u76cf\u6e05\u6670\u7684\u660e\u706f\uff0c\u800c\u8fd9\u6b63\u662f\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002\u5728\u8fd9\u4efd\u5168\u9762\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8DFD\uff0c\u4e0d\u4ec5\u63d0\u4f9b\u793a\u4f8b\uff0c\u8fd8\u5c06\u8be6\u7ec6\u89e3\u6790\u5176\u7ec4\u6210\u90e8\u5206\u3001\u89c4\u5219\u3001\u4f18\u52bf\u3001\u52a3\u52bf\u4ee5\u53ca\u4e00\u6b65\u6b65\u7684\u6559\u7a0b\u3002 \u7406\u89e3\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\uff1a \u672c\u8d28\u4e0a\uff0c\u6570\u636e\u6d41\u56fe\u662f\u4e00\u79cd\u53ef\u89c6\u5316\u8868\u793a\u7cfb\u7edf\u5185\u6570\u636e\u6d41\u52a8\u65b9\u5f0f\u7684\u5de5\u5177\u3002\u5b83\u4f5c\u4e3a\u4e00\u5f20\u52a8\u6001\u5730\u56fe\uff0c\u5c55\u793a\u7cfb\u7edf\u5185\u6570\u636e\u7684\u8f93\u5165\u3001\u8f93\u51fa\u3001\u6765\u6e90\u3001\u5b58\u50a8\u548c\u76ee\u7684\u5730\u3002DFD\u7684\u5173\u952e\u8981\u7d20\u5305\u62ec\uff1a \u5904\u7406\u8fc7\u7a0b\uff1a \u8fd9\u4e9b\u662f\u7cfb\u7edf\u5185\u7684\u6838\u5fc3\u6d3b\u52a8\uff0c\u4ece\u6570\u636e\u6536\u96c6\u7b49\u7b80\u5355\u4efb\u52a1\u5230\u751f\u6210\u7efc\u5408\u62a5\u544a\u7b49\u590d\u6742\u8fc7\u7a0b\u4e0d\u7b49\u3002 \u5916\u90e8\u5b9e\u4f53\uff1a \u8fd9\u4e9b\u662f\u4e0e\u7cfb\u7edf\u4ea4\u4e92\u7684\u4fe1\u606f\u6765\u6e90\u6216\u76ee\u7684\u5730\uff0c\u5305\u62ec\u4e2a\u4eba\u3001\u7ec4\u7ec7\u3001\u8ba1\u7b97\u673a\u6216\u5176\u4ed6\u7cfb\u7edf\u3002 \u6570\u636e\u5b58\u50a8\uff1a \u5b58\u653e\u6570\u636e\u7684\u5b58\u50a8\u5e93\uff0c\u4ee3\u8868\u9759\u6001\u4e14\u4e0d\u6d41\u52a8\u7684\u4fe1\u606f\u3002 \u6570\u636e\u6d41\uff1a \u5b83\u4eec\u5c55\u793a\u4e86\u6570\u636e\u5728\u5916\u90e8\u5b9e\u4f53\u3001\u6570\u636e\u5b58\u50a8\u548c\u5904\u7406\u8fc7\u7a0b\u4e4b\u95f4\u7684\u6d41\u52a8\uff0c\u63cf\u7ed8\u4e86\u6570\u636e\u5728\u7cfb\u7edf\u5185\u6240\u8d70\u7684\u8def\u5f84\u3002 DFD\u4e2d\u4f7f\u7528\u7684\u7b26\u53f7\uff1a \u4e3a\u4e86\u4f7fDFD\u7684\u5404\u4e2a\u5143\u7d20\u751f\u52a8\u5448\u73b0\uff0c\u4f1a\u91c7\u7528Yourdon\u548cCoad\u7cfb\u7edf\u4e2d\u7684\u7b26\u53f7\uff0c\u4ece\u800c\u7b80\u5316\u8fd9\u4e9b\u56fe\u8868\u7684\u521b\u5efa\u4e0e\u7406\u89e3\u3002 \u521b\u5efaDFD\u7684\u89c4\u5219\u4e0e\u6307\u5357\uff1a \u8981\u521b\u5efa\u4e00\u4e2a\u8fde\u8d2f\u4e14\u6613\u4e8e\u7406\u89e3\u7684DFD\uff0c\u5fc5\u987b\u9075\u5faa\u67d0\u4e9b\u89c4\u5219\uff1a \u5904\u7406\u6d41\u7a0b\uff1a \u6bcf\u4e2a\u5904\u7406\u8fc7\u7a0b\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u6d41\u548c\u4e00\u4e2a\u8f93\u5165\u6570\u636e\u6d41\u3002 \u6570\u636e\u5b58\u50a8\u8fde\u63a5\u6027\uff1a \u6570\u636e\u5b58\u50a8\u5e94\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u5165\u548c\u4e00\u4e2a\u8f93\u51fa\u6570\u636e\u6d41\u3002 \u5b9e\u4f53-\u5904\u7406\u8fc7\u7a0b\u8fde\u63a5\uff1a \u5b9e\u4f53\u5fc5\u987b\u901a\u8fc7\u6570\u636e\u6d41\u4e0e\u5904\u7406\u8fc7\u7a0b\u76f8\u8fde\u3002 \u907f\u514d\u4ea4\u53c9\uff1a \u6570\u636e\u6d41\u4e0d\u80fd\u76f8\u4e92\u4ea4\u53c9\u3002 \u5916\u90e8\u5b9e\u4f53\u8bbf\u95ee\uff1a \u6570\u636e\u5b58\u50a8\u4e0d\u80fd\u76f4\u63a5\u4e0e\u5916\u90e8\u5b9e\u4f53\u8fde\u63a5\u3002 DFD\u7684\u4f18\u70b9\u4e0e\u7f3a\u70b9\uff1a \u7406\u89e3DFD\u7684\u4f18\u7f3a\u70b9\u81f3\u5173\u91cd\u8981\uff1a \u4f18\u70b9\uff1a \u56fe\u5f62\u7b80\u6d01\u6027\uff1a\u4e00\u79cd\u89c6\u89c9\u4e0a\u76f4\u89c2\u7684\u6280\u672f\uff0c\u4fbf\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u548c\u7528\u6237\u7406\u89e3\u3002 \u8be6\u7ec6\u89c6\u56fe\uff1a\u63d0\u4f9b\u7cfb\u7edf\u7ec4\u4ef6\u548c\u8fb9\u754c\u7684\u6df1\u5165\u89c6\u56fe\u3002 \u529f\u80fd\u5206\u89e3\uff1a\u5c55\u793a\u7cfb\u7edf\u7684\u529f\u80fd\u5206\u89e3\uff0c\u8bf4\u660e\u4e0d\u540c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002 \u6587\u6863\u4ef7\u503c\uff1a\u4f5c\u4e3a\u7cfb\u7edf\u6587\u6863\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002 \u7f3a\u70b9\uff1a \u8017\u65f6\uff1a\u521b\u5efaDFD\u53ef\u80fd\u975e\u5e38\u8017\u65f6\u3002 \u65f6\u95f4\u4fe1\u606f\u7f3a\u5931\uff1a\u7f3a\u4e4f\u5173\u4e8e\u8fc7\u7a0b\u7684\u65f6\u95f4\u3001\u987a\u5e8f\u548c\u540c\u6b65\u7684\u4fe1\u606f\u3002 \u975e\u6280\u672f\u7528\u6237\u6311\u6218\uff1a\u53ef\u80fd\u5bf9\u975e\u6280\u672f\u7528\u6237\u7406\u89e3\u8be5\u56fe\u9020\u6210\u56f0\u96be\u3002 DFD\u793a\u4f8b\uff1a \u4e0a\u4e0b\u6587\u6570\u636e\u6d41\u56fe\uff08\u7b2c0\u5c42\uff09\uff1a \u8fd9\u4e00\u9ad8\u5c42\u6982\u89c8\u4f7f\u7528\u5355\u4e00\u8fc7\u7a0b\u6765\u8868\u793a\u6574\u4e2a\u7cfb\u7edf\u529f\u80fd\u3002\u4ee5\u4e0b\u4e3a\u670d\u88c5\u8ba2\u8d2d\u7cfb\u7edf\u7684\u793a\u4f8b\uff1a \u521b\u5efa\u4e0a\u4e0b\u6587DFD\u7684\u6b65\u9aa4\uff1a \u5b9a\u4e49\u8fc7\u7a0b\u3002 \u5217\u51fa\u5916\u90e8\u5b9e\u4f53\u3002 \u5217\u51fa\u6570\u636e\u6d41\u3002 \u7ed8\u5236\u56fe\u8868\u3002 \u7b2c1\u5c42\u6570\u636e\u6d41\u56fe\uff1a \u5c06\u4e3b\u8fc7\u7a0b\u5206\u89e3\u4e3a\u5b50\u8fc7\u7a0b\u5e76\u5305\u542b\u6570\u636e\u5b58\u50a8\uff0c\u7b2c1\u5c42DFD\u63d0\u4f9b\u4e86\u66f4\u8be6\u7ec6\u7684\u89c6\u56fe\u3002\u793a\u4f8b\uff1a \u521b\u5efa\u7b2c1\u5c42DFD\u7684\u6b65\u9aa4\uff1a \u5b9a\u4e49\u8fc7\u7a0b\uff08\u4e3b\u8fc7\u7a0b\u548c\u5b50\u8fc7\u7a0b\uff09\u3002 \u5217\u51fa\u5916\u90e8\u5b9e\u4f53\u3002 \u5217\u51fa\u6570\u636e\u5b58\u50a8\u3002 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