{"id":1049,"date":"2026-03-26T06:08:13","date_gmt":"2026-03-26T06:08:13","guid":{"rendered":"https:\/\/www.visualize-ai.com\/cn\/from-requirements-to-data-flow-models\/"},"modified":"2026-03-26T06:08:13","modified_gmt":"2026-03-26T06:08:13","slug":"from-requirements-to-data-flow-models","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/cn\/from-requirements-to-data-flow-models\/","title":{"rendered":"DFD \u6307\u5357\uff1a\u4ece\u9700\u6c42\u5230\u6570\u636e\u6d41\u6a21\u578b"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal contour sketch infographic illustrating the process of transforming software requirements into Data Flow Diagrams (DFDs), featuring the four core DFD components (external entities, processes, data flows, data stores), hierarchical abstraction levels from Context Diagram through Level 3+, validation techniques including flow verification and requirement mapping, and best practices for maintaining balanced, clear system models\" decoding=\"async\" src=\"https:\/\/www.visualize-ai.com\/wp-content\/uploads\/2026\/03\/requirements-to-data-flow-models-dfd-infographic-charcoal-sketch.jpg\"\/><\/figure>\n<\/div>\n<p>\u6bcf\u4e2a\u590d\u6742\u7684\u7cfb\u7edf\u90fd\u59cb\u4e8e\u60f3\u6cd5\u3001\u9700\u6c42\u548c\u7ea6\u675f\u7684\u96c6\u5408\u3002\u8fd9\u4e9b\u5c31\u662f\u9700\u6c42\u3002\u7136\u800c\uff0c\u7528\u81ea\u7136\u8bed\u8a00\u7f16\u5199\u7684\u9700\u6c42\u5f80\u5f80\u5b58\u5728\u6b67\u4e49\uff0c\u5bb9\u6613\u8bef\u89e3\uff0c\u4e14\u96be\u4ee5\u4ece\u6280\u672f\u4e0a\u9a8c\u8bc1\u3002\u4e3a\u4e86\u5f25\u5408\u5229\u76ca\u76f8\u5173\u8005\u7684\u671f\u671b\u4e0e\u5de5\u7a0b\u5e08\u6784\u5efa\u5185\u5bb9\u4e4b\u95f4\u7684\u5dee\u8ddd\uff0c\u6211\u4eec\u9700\u8981\u4e00\u79cd\u53ef\u89c6\u5316\u8bed\u8a00\u3002\u8fd9\u6b63\u662f\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u53d8\u5f97\u4e0d\u53ef\u6216\u7f3a\u7684\u5730\u65b9\u3002\ud83e\udded<\/p>\n<p>\u6570\u636e\u6d41\u56fe\u4e0d\u4ec5\u4ec5\u662f\u4e00\u5e45\u7ed8\u56fe\uff1b\u5b83\u662f\u4e00\u4e2a\u903b\u8f91\u6a21\u578b\uff0c\u7528\u4e8e\u6620\u5c04\u4fe1\u606f\u5982\u4f55\u5728\u7cfb\u7edf\u4e2d\u6d41\u52a8\u3002\u5b83\u5265\u79bb\u4e86\u7269\u7406\u5b9e\u73b0\u7684\u7ec6\u8282\uff0c\u4e13\u6ce8\u4e8e\u6570\u636e\u672c\u8eab\u7684\u6d41\u52a8\u3002\u672c\u6587\u63a2\u8ba8\u4e86\u5c06\u539f\u59cb\u9700\u6c42\u8f6c\u5316\u4e3a\u7ed3\u6784\u5316\u3001\u5df2\u9a8c\u8bc1\u7684\u6570\u636e\u6d41\u6a21\u578b\u7684\u4e25\u8c28\u8fc7\u7a0b\u3002<\/p>\n<h2>\u7406\u89e3\u57fa\u7840\uff1a\u9700\u6c42\u5206\u6790 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\u4e2d\uff0c\u5b83\u4eec\u901a\u5e38\u7528\u5706\u5f62\u6216\u5706\u89d2\u77e9\u5f62\u8868\u793a\u3002\u4e00\u4e2a\u8fc7\u7a0b\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u8f93\u5165\u548c\u4e00\u4e2a\u8f93\u51fa\u3002<\/p>\n<h3>3. \u6570\u636e\u6d41\uff08\u79fb\u52a8\uff09<\/h3>\n<p>\u8fd9\u4e9b\u662f\u663e\u793a\u6570\u636e\u79fb\u52a8\u65b9\u5411\u7684\u7bad\u5934\u3002\u5b83\u4eec\u8fde\u63a5\u5b9e\u4f53\u3001\u8fc7\u7a0b\u548c\u6570\u636e\u5b58\u50a8\u3002\u6bcf\u4e2a\u6d41\u90fd\u5fc5\u987b\u6709\u4e00\u4e2a\u6807\u7b7e\uff0c\u63cf\u8ff0\u6b63\u5728\u79fb\u52a8\u7684\u4fe1\u606f\uff08\u4f8b\u5982\uff1a\u201c\u8ba2\u5355\u8be6\u60c5\u201d\uff09\u3002<\/p>\n<h3>4. \u6570\u636e\u5b58\u50a8\uff08\u8bb0\u5fc6\uff09<\/h3>\n<p>\u8fd9\u4e9b\u4ee3\u8868\u7528\u4e8e\u540e\u7eed\u5b58\u50a8\u6570\u636e\u7684\u5730\u65b9\u3002\u5b83\u4eec\u662f\u88ab\u52a8\u5b58\u50a8\u5e93\u3002\u5728 DFD \u4e2d\uff0c\u5b83\u4eec\u901a\u5e38\u8868\u793a\u4e3a\u5f00\u53e3\u77e9\u5f62\u6216\u5e73\u884c\u7ebf\u3002\u6570\u636e\u5b58\u50a8\u4e0d\u4f1a\u89e6\u53d1\u64cd\u4f5c\uff1b\u5b83\u7b49\u5f85\u88ab\u8bfb\u53d6\u6216\u5199\u5165\u3002<\/p>\n<h2>\u8f6c\u6362\u8fc7\u7a0b\uff1a\u4ece\u6587\u5b57\u5230\u7ebf\u6761 \ud83d\udee0\ufe0f<\/h2>\n<p>\u5c06\u6587\u672c\u8f6c\u6362\u4e3a\u56fe\u8868\u9700\u8981\u7cfb\u7edf\u7684\u65b9\u6cd5\u3002\u6b64\u8fc7\u7a0b\u6d89\u53ca\u5206\u89e3\u548c\u62bd\u8c61\u3002\u4f60\u4e0d\u80fd\u4e00\u6b21\u6027\u7ed8\u5236\u6574\u4e2a\u7cfb\u7edf\u3002\u4f60\u8981\u4ece\u9ad8\u5c42\u5f00\u59cb\uff0c\u7136\u540e\u9010\u6b65\u6df1\u5165\u3002<\/p>\n<h3>\u6b65\u9aa4 1\uff1a\u5b9a\u4e49\u7cfb\u7edf\u8fb9\u754c<\/h3>\n<p>\u51b3\u5b9a\u4ec0\u4e48\u5728\u7cfb\u7edf\u5185\u90e8\uff0c\u4ec0\u4e48\u5728\u7cfb\u7edf\u5916\u90e8\u3002\u5185\u90e8\u7684\u4e00\u5207\u90fd\u662f\u8fc7\u7a0b\u3001\u5b58\u50a8\u6216\u6d41\u3002\u5916\u90e8\u7684\u4e00\u5207\u90fd\u662f\u5916\u90e8\u5b9e\u4f53\u3002\u8fd9\u4e2a\u8fb9\u754c\u5bf9\u4e8e\u5b9a\u4e49\u4e0a\u4e0b\u6587\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u6b65\u9aa4 2\uff1a\u8bc6\u522b\u4e0a\u4e0b\u6587<\/h3>\n<p>\u521b\u5efa\u4e00\u4e2a<strong>\u4e0a\u4e0b\u6587\u56fe<\/strong>\uff08\u4e5f\u79f0\u4e3a 0 \u7ea7\u6570\u636e\u6d41\u56fe\uff09\u3002\u8fd9\u662f\u6700\u9ad8\u62bd\u8c61\u7ea7\u522b\u3002\u5b83\u5c06\u6574\u4e2a\u7cfb\u7edf\u8868\u793a\u4e3a\u4e00\u4e2a\u5355\u4e00\u8fc7\u7a0b\uff0c\u5e76\u5c55\u793a\u5176\u4e0e\u5916\u90e8\u5b9e\u4f53\u7684\u4ea4\u4e92\u3002<\/p>\n<ul>\n<li><strong>\u8fc7\u7a0b\uff1a<\/strong>\u6574\u4e2a\u7cfb\u7edf\u7684\u540d\u79f0\u3002<\/li>\n<li><strong>\u5b9e\u4f53\uff1a<\/strong>\u6240\u6709\u5916\u90e8\u6570\u636e\u6e90\u548c\u6570\u636e\u6c47\u3002<\/li>\n<li><strong>\u6570\u636e\u6d41\uff1a<\/strong>\u4e3b\u8981\u7684\u6570\u636e\u8f93\u5165\u548c\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9aa4 3\uff1a\u5206\u89e3\u8fc7\u7a0b<\/h3>\n<p>\u4e00\u65e6\u4e0a\u4e0b\u6587\u786e\u5b9a\uff0c\u5c06\u5355\u4e00\u8fc7\u7a0b\u5206\u89e3\u4e3a\u4e3b\u8981\u7684\u5b50\u8fc7\u7a0b\u3002\u8fd9\u5c31\u662f<strong>1 \u7ea7\u6570\u636e\u6d41\u56fe<\/strong>\u3002\u6bcf\u4e2a\u5b50\u8fc7\u7a0b\u5e94\u5904\u7406\u6e90\u81ea\u9700\u6c42\u7684\u4e00\u4e2a\u72ec\u7acb\u529f\u80fd\u3002\u786e\u4fdd\u8fdb\u5165\u9876\u5c42\u7684\u6570\u636e\u4e5f\u8fdb\u5165\u5176\u4e2d\u4e00\u4e2a\u5b50\u8fc7\u7a0b\u3002<\/p>\n<h3>\u6b65\u9aa4 4\uff1a\u6dfb\u52a0\u7ec6\u8282\u548c\u6570\u636e\u5b58\u50a8<\/h3>\n<p>\u5f53\u60a8\u5411\u4e0b\u94bb\u53d6\u5230<strong>2 \u7ea7<\/strong>\u53ca\u66f4\u9ad8\u7ea7\u522b\u65f6\uff0c\u60a8\u4f1a\u5f15\u5165\u6570\u636e\u5b58\u50a8\u3002\u8fd9\u662f\u903b\u8f91\u53d8\u5f97\u5177\u4f53\u7684\u5730\u65b9\u3002\u60a8\u5b9a\u4e49\u6570\u636e\u5728\u6b65\u9aa4\u4e4b\u95f4\u5b58\u50a8\u7684\u4f4d\u7f6e\u3002\u786e\u4fdd\u6bcf\u4e2a\u6570\u636e\u5b58\u50a8\u90fd\u81f3\u5c11\u8fde\u63a5\u5230\u4e00\u4e2a\u8fc7\u7a0b\uff08\u60a8\u4e0d\u80fd\u4ec5\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u4f4d\u7f6e\u800c\u6ca1\u6709\u66f4\u65b0\u6216\u68c0\u7d22\u5b83\u7684\u65b9\u6cd5\uff09\u3002<\/p>\n<h2>\u62bd\u8c61\u7ea7\u522b\u8be6\u89e3 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