{"id":856,"date":"2026-03-24T21:06:21","date_gmt":"2026-03-24T21:06:21","guid":{"rendered":"https:\/\/www.visualize-ai.com\/cn\/level-0-vs-level-1-data-flow-diagrams\/"},"modified":"2026-03-24T21:06:21","modified_gmt":"2026-03-24T21:06:21","slug":"level-0-vs-level-1-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/cn\/level-0-vs-level-1-data-flow-diagrams\/","title":{"rendered":"DFD\u6307\u5357\uff1a\u7b2c0\u7ea7\u4e0e\u7b2c1\u7ea7\u6570\u636e\u6d41\u56fe"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic comparing Level 0 and Level 1 Data Flow Diagrams: Level 0 Context Diagram shows a single 'Order Processing System' process with external entities (Customer, Warehouse, Payment Gateway) and data flows defining system boundaries; Level 1 Functional Decomposition breaks the system into sub-processes (Validate Order, Update Inventory, Generate Invoice) with internal data stores (Customer DB, Order Log) and refined data flows, illustrating the balancing rule that inputs and outputs must match between diagram levels for effective systems analysis and design documentation.\" decoding=\"async\" src=\"https:\/\/www.visualize-ai.com\/wp-content\/uploads\/2026\/03\/level-0-vs-level-1-data-flow-diagrams-comparison-infographic.jpg\"\/><\/figure>\n<\/div>\n<p>\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u662f\u7cfb\u7edf\u5206\u6790\u4e0e\u8bbe\u8ba1\u4e2d\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u4ee5\u53ef\u89c6\u5316\u65b9\u5f0f\u5c55\u793a\u4fe1\u606f\u5728\u7cfb\u7edf\u4e2d\u7684\u6d41\u52a8\u8fc7\u7a0b\uff0c\u7a81\u51fa\u5916\u90e8\u5b9e\u4f53\u3001\u5185\u90e8\u5904\u7406\u8fc7\u7a0b\u3001\u6570\u636e\u5b58\u50a8\u4ee5\u53ca\u8fde\u63a5\u5b83\u4eec\u7684\u6570\u636e\u6d41\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u867d\u7136\u8fd9\u4e00\u6982\u5ff5\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u8fd9\u4e9b\u56fe\u8868\u7684\u8be6\u7ec6\u7a0b\u5ea6\u4f1a\u56e0\u6240\u9700\u7ec6\u8282\u5c42\u6b21\u7684\u4e0d\u540c\u800c\u663e\u8457\u53d8\u5316\u3002\u5728\u8fd9\u4e00\u5c42\u7ea7\u7ed3\u6784\u4e2d\uff0c\u6700\u5173\u952e\u7684\u4e24\u4e2a\u9636\u6bb5\u662f\u7b2c0\u7ea7\u548c\u7b2c1\u7ea7DFD\u3002\u7406\u89e3\u8fd9\u4e24\u4e2a\u5c42\u7ea7\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u5bf9\u4e8e\u9700\u8981\u5728\u4e0d\u9677\u5165\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\u7684\u60c5\u51b5\u4e0b\u4f20\u8fbe\u7cfb\u7edf\u903b\u8f91\u7684\u67b6\u6784\u5e08\u3001\u5206\u6790\u5e08\u548c\u5229\u76ca\u76f8\u5173\u8005\u800c\u8a00\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u672c\u6307\u5357\u5c06\u63a2\u8ba8\u7b2c0\u7ea7\u548c\u7b2c1\u7ea7\u56fe\u8868\u5728\u7ed3\u6784\u4e0a\u7684\u5dee\u5f02\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5\u3002\u6211\u4eec\u5c06\u5206\u6790\u5982\u4f55\u4ece\u9ad8\u5c42\u6b21\u7684\u4e0a\u4e0b\u6587\u89c6\u56fe\u8fc7\u6e21\u5230\u8be6\u7ec6\u7684\u804c\u80fd\u5206\u89e3\uff0c\u786e\u4fdd\u7cfb\u7edf\u6587\u6863\u7684\u6e05\u6670\u6027\u548c\u7cbe\u786e\u6027\u3002<\/p>\n<h2>\ud83e\udded 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\u5e73\u8861\u7684\u6982\u5ff5<\/h2>\n<p>\u4ece0\u7ea7\u8fc7\u6e21\u52301\u7ea7\u65f6\u7684\u4e00\u4e2a\u5173\u952e\u89c4\u5219\u662f<strong>\u5e73\u8861<\/strong>\u3002\u8fdb\u5165\u548c\u79bb\u5f000\u7ea7\u6d41\u7a0b\u7684\u8f93\u5165\u548c\u8f93\u51fa\uff0c\u5fc5\u987b\u4e0e\u8fdb\u5165\u548c\u79bb\u5f001\u7ea7\u5b50\u6d41\u7a0b\u7684\u8f93\u5165\u548c\u8f93\u51fa\u7684\u603b\u548c\u5b8c\u5168\u76f8\u540c\u3002\u8fd9\u786e\u4fdd\u4e86\u5728\u5206\u89e3\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u4ea7\u751f\u6216\u9500\u6bc1\u4efb\u4f55\u6570\u636e\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c0\u7ea7\u663e\u793a\u201c\u5ba2\u6237\u6570\u636e\u201d\u4f5c\u4e3a\u8fdb\u5165\u7cfb\u7edf\u7684\u8f93\u5165\uff0c\u90a3\u4e481\u7ea7\u5fc5\u987b\u663e\u793a\u201c\u5ba2\u6237\u6570\u636e\u201d\u6d41\u5165\u81f3\u5c11\u4e00\u4e2a\u5b50\u6d41\u7a0b\u3002\u5982\u679c0\u7ea7\u663e\u793a\u201c\u6536\u636e\u201d\u4f5c\u4e3a\u79bb\u5f00\u7cfb\u7edf\u7684\u8f93\u51fa\uff0c\u90a3\u4e481\u7ea7\u5fc5\u987b\u663e\u793a\u4e00\u4e2a\u5b50\u6d41\u7a0b\u751f\u6210\u201c\u6536\u636e\u201d\u6570\u636e\u3002\u672a\u80fd\u4fdd\u6301\u8fd9\u79cd\u5e73\u8861\uff0c\u8868\u660e\u5206\u6790\u4e2d\u5b58\u5728\u9519\u8bef\u6216\u8bbe\u8ba1\u4e2d\u7f3a\u5c11\u67d0\u4e2a\u7ec4\u4ef6\u3002<\/p>\n<h2>\ud83d\udee0 \u8bbe\u8ba1\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u521b\u5efa\u6709\u6548\u7684DFD\u9700\u8981\u7eaa\u5f8b\u6027\uff0c\u5e76\u9075\u5faa\u7279\u5b9a\u7684\u89c4\u8303\u3002\u9075\u5faa\u8fd9\u4e9b\u6307\u5357\u6709\u52a9\u4e8e\u4fdd\u6301\u6e05\u6670\uff0c\u907f\u514d\u6df7\u6dc6\u3002<\/p>\n<h3>1. \u547d\u540d\u89c4\u8303<\/h3>\n<p>\u6d41\u7a0b\u5e94\u4f7f\u7528\u52a8\u8bcd-\u540d\u8bcd\u7ed3\u6784\u547d\u540d\uff08\u4f8b\u5982\uff0c\u201c\u8ba1\u7b97\u7a0e\u6b3e\u201d\u800c\u975e\u201c\u7a0e\u6b3e\u201d\uff09\u3002\u6570\u636e\u6d41\u5e94\u4f7f\u7528\u8868\u793a\u5185\u5bb9\u7684\u540d\u8bcd\u77ed\u8bed\u547d\u540d\uff08\u4f8b\u5982\uff0c\u201c\u53d1\u7968\u8be6\u60c5\u201d\u800c\u975e\u201c\u53d1\u7968\u201d\uff09\u3002\u5916\u90e8\u5b9e\u4f53\u5e94\u6e05\u6670\u547d\u540d\uff0c\u4ee5\u53cd\u6620\u63d0\u4f9b\u6570\u636e\u7684\u53c2\u4e0e\u8005\u6216\u7cfb\u7edf\u3002<\/p>\n<h3>2. \u907f\u514d\u4ea4\u53c9<\/h3>\n<p>\u56fe\u793a\u5e03\u5c40\u5e94\u5c3d\u91cf\u51cf\u5c11\u6570\u636e\u6d41\u7ebf\u7684\u4ea4\u53c9\u3002\u4ea4\u53c9\u7684\u7ebf\u6761\u4f1a\u4ea7\u751f\u89c6\u89c9\u5e72\u6270\uff0c\u4f7f\u4fe1\u606f\u8def\u5f84\u96be\u4ee5\u8ffd\u8e2a\u3002\u5982\u679c\u65e0\u6cd5\u907f\u514d\u4ea4\u53c9\uff0c\u5e94\u786e\u4fdd\u5b83\u4eec\u660e\u663e\u53ef\u8fa8\uff0c\u5e76\u6e05\u6670\u6807\u6ce8\u3002<\/p>\n<h3>3. \u6570\u636e\u5b58\u50a8\u7684\u4e00\u81f4\u6027<\/h3>\n<p>\u786e\u4fdd\u6570\u636e\u5b58\u50a8\u5728\u5404\u56fe\u793a\u4e2d\u6807\u7b7e\u4e00\u81f4\u30021\u7ea7\u4e2d\u540d\u4e3a\u201c\u5ba2\u6237\u6570\u636e\u5e93\u201d\u7684\u6570\u636e\u5e93\u57282\u7ea7\u4e2d\u4e0d\u5e94\u88ab\u91cd\u547d\u540d\u4e3a\u201c\u7528\u6237\u8868\u201d\u3002\u4e00\u81f4\u6027\u6709\u52a9\u4e8e\u5728\u4e0d\u540c\u5c42\u7ea7\u95f4\u8fdb\u884c\u5bfc\u822a\u548c\u7406\u89e3\u3002<\/p>\n<h3>4. \u9650\u5236\u5b50\u6d41\u7a0b\u6570\u91cf<\/h3>\n<p>\u867d\u71361\u7ea7\u5e94\u8db3\u591f\u8be6\u7ec6\uff0c\u4f46\u4e0d\u5e94\u4e8b\u65e0\u5de8\u7ec6\u3002\u5982\u679c\u5355\u4e2a\u5b50\u6d41\u7a0b\u5305\u542b\u8fc7\u591a\u903b\u8f91\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u4e00\u6b65\u5206\u89e3\u4e3a2\u7ea7\u3002\u7136\u800c\uff0c1\u7ea7\u901a\u5e38\u5e94\u4fdd\u6301\u5728\u53ef\u7ba1\u7406\u7684\u8303\u56f4\u5185\uff0c\u4ee5\u907f\u514d\u8ba9\u8bfb\u8005\u611f\u5230\u4fe1\u606f\u8fc7\u8f7d\u3002<\/p>\n<h2>\ud83d\udcc8 \u5404\u5c42\u7ea7\u7684\u4f7f\u7528\u65f6\u673a<\/h2>\n<p>\u9009\u62e9\u5408\u9002\u7684\u5c42\u7ea7\u53d6\u51b3\u4e8e\u9879\u76ee\u9636\u6bb5\u548c\u53d7\u4f17\u3002<\/p>\n<h3>\u4f7f\u75280\u7ea7\u7684\u60c5\u51b5\uff1a<\/h3>\n<ul>\n<li><strong>\u9879\u76ee\u542f\u52a8\uff1a<\/strong> \u65e9\u671f\u786e\u7acb\u8303\u56f4\u548c\u8fb9\u754c\u3002<\/li>\n<li><strong>\u9ad8\u7ba1\u6458\u8981\uff1a<\/strong> \u4e3a\u975e\u6280\u672f\u578b\u9886\u5bfc\u63d0\u4f9b\u9ad8\u5c42\u6b21\u7684\u6982\u89c8\u3002<\/li>\n<li><strong>\u63a5\u53e3\u5b9a\u4e49\uff1a<\/strong> \u660e\u786e\u7cfb\u7edf\u4e0e\u5916\u90e8\u7cfb\u7edf\u8fde\u63a5\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<h3>\u4f7f\u75281\u7ea7\u7684\u60c5\u51b5\uff1a<\/h3>\n<ul>\n<li><strong>\u7cfb\u7edf\u8bbe\u8ba1\uff1a<\/strong> \u6307\u5bfc\u5f00\u53d1\u56e2\u961f\u7406\u89e3\u5185\u90e8\u903b\u8f91\u3002<\/li>\n<li><strong>\u96c6\u6210\u89c4\u5212\uff1a<\/strong> \u8bc6\u522b\u6570\u636e\u5b58\u50a8\u548c\u5185\u90e8\u6570\u636e\u6d41\u7684\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u7b56\u7565\uff1a<\/strong> \u57fa\u4e8e\u6d41\u7a0b\u8def\u5f84\u548c\u6570\u636e\u8f6c\u6362\u6765\u5b9a\u4e49\u6d4b\u8bd5\u7528\u4f8b\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd0d 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