{"id":4238,"date":"2026-03-24T12:57:08","date_gmt":"2026-03-24T12:57:08","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/tw\/what-is-a-dfd-step-by-step-guide\/"},"modified":"2026-03-24T12:57:08","modified_gmt":"2026-03-24T12:57:08","slug":"what-is-a-dfd-step-by-step-guide","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/tw\/what-is-a-dfd-step-by-step-guide\/","title":{"rendered":"\u4ec0\u9ebc\u662f\u8cc7\u6599\u6d41\u7a0b\u5716\uff1f\u65b0\u5206\u6790\u5e2b\u7684\u6e05\u6670\u9010\u6b65\u89e3\u6790"},"content":{"rendered":"<p>\u7406\u89e3\u8907\u96dc\u7cfb\u7d71\u4e0d\u50c5\u50c5\u9700\u8981\u8ac7\u8ad6\u5b83\u5011\uff0c\u9084\u9700\u8981\u8996\u89ba\u5316\u8cc7\u8a0a\u5982\u4f55\u5728\u5176\u4e2d\u6d41\u52d5\u3002\u9019\u6b63\u662f\u300c<strong>\u8cc7\u6599\u6d41\u7a0b\u5716<\/strong>\u300d\uff0c\u901a\u5e38\u7a31\u70ba DFD\uff0c\u6210\u70ba\u5546\u696d\u8207\u7cfb\u7d71\u5206\u6790\u5e2b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u7121\u8ad6\u60a8\u662f\u8a2d\u8a08\u65b0\u61c9\u7528\u7a0b\u5f0f\u3001\u5be9\u6838\u73fe\u6709\u5de5\u4f5c\u6d41\u7a0b\uff0c\u9084\u662f\u8a18\u9304\u9700\u6c42\uff0c\u638c\u63e1 DFD \u7684\u57fa\u672c\u77e5\u8b58\u5c0d\u65bc\u6e05\u6670\u6e9d\u901a\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6307\u5357\u5168\u9762\u89e3\u6790\u4e86 DFD \u662f\u4ec0\u9ebc\u3001\u5176\u6838\u5fc3\u7d44\u6210\u90e8\u5206\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u69cb\u5efa\u5b83\u3002<\/p>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u4e00\u7a2e\u4ee5\u5716\u5f62\u65b9\u5f0f\u5448\u73fe\u8cc7\u6599\u5728\u8cc7\u8a0a\u7cfb\u7d71\u4e2d\u6d41\u52d5\u7684\u8868\u793a\u6cd5\u3002\u5b83\u986f\u793a\u8cc7\u6599\u5982\u4f55\u9032\u5165\u7cfb\u7d71\u3001\u5982\u4f55\u88ab\u8655\u7406\u3001\u5132\u5b58\u5728\u54ea\u88e1\uff0c\u4ee5\u53ca\u5982\u4f55\u96e2\u958b\u7cfb\u7d71\u3002\u8207\u5c08\u6ce8\u65bc\u63a7\u5236\u6d41\u7a0b\u548c\u908f\u8f2f\u7684\u6d41\u7a0b\u5716\u4e0d\u540c\uff0cDFD \u50c5\u5c08\u6ce8\u65bc\u8cc7\u6599\u7684\u79fb\u52d5\u3002\u9019\u9805\u5340\u5225\u5c0d\u5206\u6790\u5e2b\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u4ed6\u5011\u9700\u8981\u7e6a\u88fd\u7cfb\u7d71\u529f\u80fd\uff0c\u800c\u4e0d\u5fc5\u9677\u5165\u6c7a\u7b56\u908f\u8f2f\u7684\u7d30\u7bc0\u4e2d\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Sketch-style infographic explaining Data Flow Diagrams (DFD) for business analysts, showing four core components (external entities, processes, data stores, data flows), hierarchical DFD levels from context diagram to detailed processes, step-by-step creation guide, DFD vs flowchart comparison, essential rules, key benefits, and an order processing system example\" decoding=\"async\" src=\"https:\/\/www.diagrams-ai.com\/wp-content\/uploads\/2026\/03\/data-flow-diagram-dfd-guide-infographic-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u7684\u6838\u5fc3\u7d44\u6210\u90e8\u5206 \ud83e\udde9<\/h2>\n<p>\u6bcf\u500b DFD \u90fd\u5efa\u7acb\u5728\u56db\u500b\u57fa\u672c\u7b26\u865f\u4e4b\u4e0a\u3002\u96d6\u7136\u4e0d\u540c\u65b9\u6cd5\u8ad6\u4e4b\u9593\u7684\u7b26\u865f\u98a8\u683c\u7565\u6709\u5dee\u7570\uff0c\u4f46\u5176\u80cc\u5f8c\u7684\u6982\u5ff5\u4fdd\u6301\u4e00\u81f4\u3002\u8981\u5275\u5efa\u6709\u6548\u7684\u5716\u8868\uff0c\u60a8\u5fc5\u9808\u7406\u89e3\u6bcf\u500b\u5143\u7d20\u7684\u4f5c\u7528\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u5be6\u9ad4\uff1a<\/strong> \u4e5f\u7a31\u70ba\u7d42\u7d50\u9ede\u6216\u8cc7\u6599\u4f86\u6e90\/\u63a5\u6536\u9ede\uff0c\u4ee3\u8868\u8207\u88ab\u5efa\u6a21\u7cfb\u7d71\u4e92\u52d5\u7684\u4eba\u3001\u7d44\u7e54\u6216\u5176\u4ed6\u7cfb\u7d71\u3002\u5b83\u5011\u662f\u8f38\u5165\u8cc7\u6599\u7684\u4f86\u6e90\u6216\u8f38\u51fa\u8cc7\u6599\u7684\u76ee\u7684\u5730\u3002\u5b83\u5011\u4f4d\u65bc\u7cfb\u7d71\u908a\u754c\u4e4b\u5916\u3002<\/li>\n<li><strong> \u8655\u7406\u7a0b\u5e8f\uff1a<\/strong> \u9019\u4e9b\u4ee3\u8868\u5c0d\u8cc7\u6599\u57f7\u884c\u7684\u5de5\u4f5c\u3002\u8655\u7406\u7a0b\u5e8f\u6703\u5c07\u8f38\u5165\u8cc7\u6599\u8f49\u63db\u70ba\u8f38\u51fa\u8cc7\u6599\u3002\u5b83\u53ef\u80fd\u662f\u4e00\u9805\u8a08\u7b97\u3001\u9a57\u8b49\u6b65\u9a5f\u6216\u6392\u5e8f\u64cd\u4f5c\u3002\u6bcf\u500b\u8655\u7406\u7a0b\u5e8f\u90fd\u5fc5\u9808\u81f3\u5c11\u6709\u4e00\u500b\u8f38\u5165\u548c\u4e00\u500b\u8f38\u51fa\u3002<\/li>\n<li><strong> \u8cc7\u6599\u5132\u5b58\uff1a<\/strong> \u9019\u4e9b\u662f\u8cc7\u6599\u66ab\u6642\u5132\u5b58\u4ee5\u4f9b\u5f8c\u7e8c\u4f7f\u7528\u7684\u5834\u6240\u3002\u5b83\u5011\u4ee3\u8868\u8cc7\u6599\u5eab\u3001\u6a94\u6848\u6216\u624b\u52d5\u8a18\u9304\u7cfb\u7d71\u3002\u8cc7\u6599\u4e0d\u6703\u76f4\u63a5\u5f9e\u4e00\u500b\u8cc7\u6599\u5132\u5b58\u6d41\u5411\u53e6\u4e00\u500b\u8cc7\u6599\u5132\u5b58\uff0c\u800c\u5fc5\u9808\u7d93\u904e\u8655\u7406\u7a0b\u5e8f\u3002<\/li>\n<li><strong> \u8cc7\u6599\u6d41\uff1a<\/strong> \u9019\u4e9b\u662f\u9023\u63a5\u5404\u5143\u4ef6\u7684\u7dda\u689d\uff0c\u8868\u793a\u8cc7\u6599\u7684\u79fb\u52d5\u3002\u5b83\u5011\u4ee5\u6240\u50b3\u8f38\u8cc7\u6599\u7684\u540d\u7a31\u6a19\u793a\u3002\u8cc7\u6599\u6d41\u4ee3\u8868\u8cc7\u8a0a\u7684\u6d41\u52d5\uff0c\u800c\u975e\u5be6\u9ad4\u7684\u96fb\u7dda\u6216\u9023\u63a5\u3002<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u7d44\u6210\u5143\u4ef6<\/th>\n<th>\u7b26\u865f\u8aaa\u660e<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5916\u90e8\u5be6\u9ad4<\/td>\n<td>\u77e9\u5f62\u6216\u65b9\u5f62<\/td>\n<td>\u8cc7\u6599\u7684\u4f86\u6e90\u6216\u76ee\u7684\u5730<\/td>\n<\/tr>\n<tr>\n<td>\u8655\u7406\u7a0b\u5e8f<\/td>\n<td>\u5713\u5f62\u6216\u5713\u89d2\u77e9\u5f62<\/td>\n<td>\u8f49\u63db\u8cc7\u6599<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u5132\u5b58<\/td>\n<td>\u958b\u653e\u77e9\u5f62\u6216\u5e73\u884c\u7dda<\/td>\n<td>\u5132\u5b58\u8cc7\u6599\u4ee5\u4f9b\u5f8c\u7e8c\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u6d41<\/td>\n<td>\u7bad\u982d<\/td>\n<td>\u5728\u5143\u4ef6\u4e4b\u9593\u79fb\u52d5\u8cc7\u6599<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u7406\u89e3DFD\u5c64\u7d1a \ud83d\udcc9<\/h2>\n<p>DFD\u901a\u5e38\u4ee5\u4e00\u7cfb\u5217\u5c64\u7d1a\u5275\u5efa\uff0c\u5f9e\u9ad8\u968e\u62bd\u8c61\u9010\u6b65\u8f49\u5411\u8a73\u7d30\u7684\u5177\u9ad4\u5167\u5bb9\u3002\u9019\u7a2e\u6280\u8853\u7a31\u70ba<strong>\u5206\u89e3<\/strong>\u3002\u9019\u4f7f\u5f97\u5229\u76ca\u76f8\u95dc\u8005\u53ef\u4ee5\u5728\u6df1\u5165\u7d30\u7bc0\u4e4b\u524d\u5148\u7406\u89e3\u6574\u9ad4\u6982\u6cc1\u3002<\/p>\n<h3>1. \u4e0a\u4e0b\u6587\u5716\uff08\u7b2c0\u5c64\uff09<\/h3>\n<p>\u4e0a\u4e0b\u6587\u5716\u662f\u6700\u9ad8\u5c64\u6b21\u7684\u8996\u5716\u3002\u5b83\u5c07\u6574\u500b\u7cfb\u7d71\u8868\u793a\u70ba\u55ae\u4e00\u8655\u7406\u904e\u7a0b\u3002\u5b83\u986f\u793a\u7cfb\u7d71\u7684\u908a\u754c\u4ee5\u53ca\u8207\u5916\u90e8\u4e16\u754c\u7684\u4e92\u52d5\u65b9\u5f0f\u3002\u6b64\u5716\u56de\u7b54\u7684\u554f\u984c\u662f\uff1a\u300c\u7cfb\u7d71\u662f\u4ec0\u9ebc\uff0c\u8ab0\u8207\u5b83\u5c0d\u8a71\uff1f\u300d<\/p>\n<ul>\n<li><strong>\u55ae\u4e00\u8655\u7406\u904e\u7a0b\uff1a<\/strong> \u6574\u500b\u7cfb\u7d71\u662f\u4e00\u500b\u55ae\u4e00\u7684\u6c23\u6ce1\u3002<\/li>\n<li><strong>\u5916\u90e8\u5be6\u9ad4\uff1a<\/strong> \u6240\u6709\u5916\u90e8\u4f86\u6e90\u548c\u76ee\u7684\u5730\u5747\u88ab\u986f\u793a\u3002<\/li>\n<li><strong>\u8cc7\u6599\u6d41\uff1a<\/strong> \u50c5\u986f\u793a\u4e3b\u8981\u7684\u8f38\u5165\u8207\u8f38\u51fa\u3002<\/li>\n<li><strong>\u7121\u8cc7\u6599\u5132\u5b58\uff1a<\/strong> \u6b64\u5c64\u7d1a\u4e2d\uff0c\u5167\u90e8\u5132\u5b58\u88ab\u96b1\u85cf\u3002<\/li>\n<\/ul>\n<h3>2. \u7b2c0\u5c64\u5716\uff08\u5206\u89e3\uff09<\/h3>\n<p>\u7576\u4e0a\u4e0b\u6587\u5efa\u7acb\u5f8c\uff0c\u55ae\u4e00\u8655\u7406\u904e\u7a0b\u6703\u88ab\u5206\u89e3\u70ba\u4e3b\u8981\u7684\u5b50\u8655\u7406\u904e\u7a0b\u3002\u6b64\u5716\u986f\u793a\u7cfb\u7d71\u7684\u9ad8\u968e\u529f\u80fd\u5340\u57df\u3002\u5b83\u5f15\u5165\u8cc7\u6599\u5132\u5b58\uff0c\u4e26\u5c07\u8cc7\u6599\u6d41\u5206\u89e3\u70ba\u66f4\u6613\u7ba1\u7406\u7684\u7247\u6bb5\u3002<\/p>\n<ul>\n<li><strong>\u591a\u500b\u8655\u7406\u904e\u7a0b\uff1a<\/strong> \u901a\u5e38\u70ba3\u52307\u500b\u4e3b\u8981\u8655\u7406\u904e\u7a0b\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5132\u5b58\uff1a<\/strong> \u4e3b\u8981\u5132\u5b58\u5eab\u88ab\u8b58\u5225\u51fa\u4f86\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong> \u8f38\u5165\u8207\u8f38\u51fa\u5fc5\u9808\u8207\u4e0a\u4e0b\u6587\u5716\u5b8c\u5168\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h3>3. \u7b2c1\u5c64\u8207\u7b2c2\u5c64\u5716<\/h3>\n<p>\u5728\u8f03\u4f4e\u5c64\u7d1a\u4e2d\u6703\u9032\u884c\u9032\u4e00\u6b65\u7684\u5206\u89e3\u3002\u7b2c1\u5c64\u8a73\u7d30\u8aaa\u660e\u7b2c0\u5c64\u7684\u8655\u7406\u904e\u7a0b\uff0c\u800c\u7b2c2\u5c64\u5247\u8a73\u7d30\u8aaa\u660e\u7b2c1\u5c64\u4e2d\u7684\u7279\u5b9a\u8655\u7406\u904e\u7a0b\u3002\u76ee\u6a19\u662f\u9054\u5230\u6bcf\u500b\u8655\u7406\u904e\u7a0b\u90fd\u6210\u70ba\u4e00\u500b<strong>\u57fa\u672c\u8655\u7406\u904e\u7a0b<\/strong>\u2014\u2014\u4e00\u500b\u7121\u6cd5\u518d\u9032\u4e00\u6b65\u5206\u89e3\u800c\u4e0d\u6703\u5931\u53bb\u610f\u7fa9\u7684\u6b65\u9a5f\u3002<\/p>\n<h2>\u5efa\u7acbDFD\u7684\u9010\u6b65\u6307\u5357 \ud83d\udee0\ufe0f<\/h2>\n<p>\u5efa\u7acb\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u7684\u904e\u7a0b\u3002\u9075\u5faa\u7d50\u69cb\u5316\u7684\u65b9\u6cd5\u53ef\u78ba\u4fdd\u5728\u6574\u500b\u5efa\u6a21\u751f\u547d\u9031\u671f\u4e2d\u4fdd\u6301\u6e96\u78ba\u6027\u8207\u4e00\u81f4\u6027\u3002<\/p>\n<h3>\u6b65\u9a5f1\uff1a\u5b9a\u7fa9\u7cfb\u7d71\u908a\u754c<\/h3>\n<p>\u5728\u7e6a\u88fd\u4efb\u4f55\u5167\u5bb9\u4e4b\u524d\uff0c\u5148\u8b58\u5225\u7cfb\u7d71\u5167\u90e8\u8207\u5916\u90e8\u7684\u5167\u5bb9\u3002\u9019\u5b9a\u7fa9\u4e86\u5206\u6790\u7684\u7bc4\u570d\u3002\u6240\u6709\u70ba\u7cfb\u7d71\u7522\u751f\u8cc7\u6599\u6216\u5f9e\u7cfb\u7d71\u63a5\u6536\u8cc7\u6599\u7684\u9805\u76ee\u5747\u70ba\u5916\u90e8\u5be6\u9ad4\u3002\u7d44\u7e54\u6216\u8edf\u9ad4\u5167\u90e8\u767c\u751f\u7684\u4e00\u5207\u5747\u70ba\u5167\u90e8\u5167\u5bb9\u3002<\/p>\n<h3>\u6b65\u9a5f 2\uff1a\u8b58\u5225\u5916\u90e8\u5be6\u9ad4<\/h3>\n<p>\u5217\u51fa\u6240\u6709\u76f8\u95dc\u7684\u4f7f\u7528\u8005\u3001\u90e8\u9580\u6216\u5916\u90e8\u7cfb\u7d71\uff0c\u4e26\u7d66\u4e88\u660e\u78ba\u4e14\u5177\u63cf\u8ff0\u6027\u7684\u540d\u7a31\u3002\u82e5\u6709\u53ef\u80fd\uff0c\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u7684\u8a5e\u8a9e\u5982\u300c\u4f7f\u7528\u8005\u300d\uff0c\u6539\u7528\u300c\u5ba2\u6236\u300d\u6216\u300c\u7ba1\u7406\u54e1\u300d\u7b49\u8a5e\u3002\u9019\u70ba\u4e0a\u4e0b\u6587\u5716\u7684\u5efa\u7acb\u5960\u5b9a\u57fa\u790e\u3002<\/p>\n<h3>\u6b65\u9a5f 3\uff1a\u7e6a\u88fd\u4e3b\u8981\u7684\u8cc7\u6599\u6d41<\/h3>\n<p>\u7e6a\u88fd\u7bad\u982d\uff0c\u5c07\u5be6\u9ad4\u9023\u63a5\u5230\u4e2d\u592e\u6d41\u7a0b\u3002\u70ba\u6bcf\u500b\u7bad\u982d\u6a19\u793a\u6240\u4ea4\u63db\u7684\u5177\u9ad4\u8cc7\u6599\u3002\u4f8b\u5982\uff0c\u61c9\u4f7f\u7528\u300c\u8a02\u55ae\u8a73\u60c5\u300d\u800c\u975e\u50c5\u50c5\u300c\u8cc7\u6599\u300d\u3002\u9019\u53ef\u78ba\u4fdd\u65e5\u5f8c\u95b1\u8b80\u5716\u8868\u7684\u4eba\u80fd\u6e05\u695a\u7406\u89e3\u3002<\/p>\n<h3>\u6b65\u9a5f 4\uff1a\u5efa\u7acb Level 0 \u5716<\/h3>\n<p>\u5c07\u4e2d\u592e\u6d41\u7a0b\u62c6\u5206\u6210\u4e3b\u8981\u529f\u80fd\u3002\u8b58\u5225\u8cc7\u6599\u5132\u5b58\u7684\u4f4d\u7f6e\u3002\u78ba\u4fdd\u4e0a\u4e0b\u6587\u5716\u4e2d\u7684\u6bcf\u4e00\u7b46\u8cc7\u6599\u6d41\u5728\u6b64\u8655\u4ecd\u7136\u5b58\u5728\u3002\u9019\u901a\u5e38\u7a31\u70ba<strong>\u5e73\u8861<\/strong>\u3002\u82e5\u4e0a\u4e0b\u6587\u5716\u986f\u793a\u300c\u767c\u7968\u300d\u96e2\u958b\u7cfb\u7d71\uff0cLevel 0 \u5716\u4e5f\u5fc5\u9808\u986f\u793a\u300c\u767c\u7968\u300d\u96e2\u958b\u7cfb\u7d71\u3002<\/p>\n<h3>\u6b65\u9a5f 5\uff1a\u9032\u4e00\u6b65\u5206\u89e3<\/h3>\n<p>\u5f9e Level 0 \u4e2d\u6311\u9078\u4e00\u500b\u8907\u96dc\u7684\u6d41\u7a0b\uff0c\u4e26\u5206\u89e3\u70ba Level 1 \u7684\u8f03\u5c0f\u6b65\u9a5f\u3002\u91cd\u8907\u6b64\u904e\u7a0b\uff0c\u76f4\u5230\u6d41\u7a0b\u7c21\u55ae\u5230\u8db3\u4ee5\u88ab\u7406\u89e3\u70ba\u55ae\u4e00\u52d5\u4f5c\u3002\u78ba\u4fdd\u8cc7\u6599\u5132\u5b58\u4e0d\u6703\u88ab\u8df3\u904e\uff0c\u4e14\u6240\u6709\u8cc7\u6599\u6d41\u90fd\u5df2\u88ab\u7d0d\u5165\u8003\u91cf\u3002<\/p>\n<h2>\u57fa\u672c\u898f\u5247\u8207\u898f\u7bc4 \u2705<\/h2>\n<p>\u70ba\u7dad\u6301\u6a21\u578b\u7684\u5b8c\u6574\u6027\uff0c\u5206\u6790\u5e2b\u5fc5\u9808\u9075\u5b88\u7279\u5b9a\u898f\u5247\u3002\u9055\u53cd\u9019\u4e9b\u898f\u5247\u53ef\u80fd\u5c0e\u81f4\u6df7\u6dc6\uff0c\u4e26\u7522\u751f\u4e0d\u6e96\u78ba\u7684\u7cfb\u7d71\u8a2d\u8a08\u3002<\/p>\n<ul>\n<li><strong>\u7981\u6b62\u5be6\u9ad4\u8207\u5be6\u9ad4\u4e4b\u9593\u7684\u76f4\u63a5\u8cc7\u6599\u6d41\uff1a<\/strong>\u8cc7\u6599\u7121\u6cd5\u5728\u672a\u7d93\u904e\u7cfb\u7d71\u7684\u60c5\u6cc1\u4e0b\uff0c\u76f4\u63a5\u5f9e\u4e00\u500b\u5916\u90e8\u5be6\u9ad4\u6d41\u5230\u53e6\u4e00\u500b\u5916\u90e8\u5be6\u9ad4\u3002\u82e5\u767c\u751f\u6b64\u60c5\u6cc1\uff0c\u8868\u793a\u7cfb\u7d71\u7f3a\u5c11\u8655\u7406\u8a72\u4e92\u52d5\u7684\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u7981\u6b62\u8cc7\u6599\u5132\u5b58\u8207\u8cc7\u6599\u5132\u5b58\u4e4b\u9593\u7684\u8cc7\u6599\u6d41\uff1a<\/strong>\u8cc7\u6599\u7121\u6cd5\u5728\u6c92\u6709\u6d41\u7a0b\u7684\u60c5\u6cc1\u4e0b\uff0c\u65bc\u5132\u5b58\u4f4d\u7f6e\u4e4b\u9593\u79fb\u52d5\u3002\u5fc5\u9808\u6709\u67d0\u7a2e\u8655\u7406\u52d5\u4f5c\u4f86\u8f49\u63db\u6216\u79fb\u52d5\u8cc7\u6599\uff08\u4f8b\u5982\u5099\u4efd\u6d41\u7a0b\u6216\u8cc7\u6599\u9077\u79fb\u8173\u672c\uff09\u3002<\/li>\n<li><strong>\u6bcf\u500b\u6d41\u7a0b\u90fd\u5fc5\u9808\u6709\u8f38\u5165\u8207\u8f38\u51fa\uff1a<\/strong> \u82e5\u4e00\u500b\u6d41\u7a0b\u6709\u8cc7\u6599\u6d41\u5165\u4f46\u7121\u4efb\u4f55\u8cc7\u6599\u6d41\u51fa\uff0c\u5247\u70ba\u300c\u532f\u96c6\u9ede\u300d\uff08sink\uff09\uff0c\u6280\u8853\u4e0a\u5c6c\u65bc\u5be6\u9ad4\u800c\u975e\u6d41\u7a0b\u3002\u540c\u6a23\u5730\uff0c\u6c92\u6709\u8f38\u5165\u7684\u6d41\u7a0b\u5247\u70ba\u300c\u4f86\u6e90\u300d\uff08source\uff09\u3002<\/li>\n<li><strong>\u547d\u540d\u898f\u7bc4\uff1a<\/strong> \u6d41\u7a0b\u61c9\u4ee5\u300c\u52d5\u8a5e\uff0b\u540d\u8a5e\u300d\u7d50\u69cb\u547d\u540d\uff08\u4f8b\u5982\u300c\u8a08\u7b97\u7a05\u984d\u300d\uff09\u3002\u8cc7\u6599\u6d41\u8207\u8cc7\u6599\u5132\u5b58\u5247\u61c9\u4ee5\u300c\u540d\u8a5e\u300d\u7d50\u69cb\u547d\u540d\uff08\u4f8b\u5982\u300c\u7a05\u7387\u300d\uff09\u3002<\/li>\n<li><strong>\u547d\u540d\u4e00\u81f4\u6027\uff1a<\/strong> \u9ad8\u968e\u5c64\u7684\u8cc7\u6599\u6d41\u540d\u7a31\u5fc5\u9808\u8207\u4f4e\u968e\u5c64\u7684\u8cc7\u6599\u6d41\u540d\u7a31\u4e00\u81f4\u3002\u82e5\u5728 Level 0 \u6642\u7a31\u70ba\u300c\u5ba2\u6236\u8cc7\u6599\u300d\uff0c\u5247\u5728 Level 1 \u6642\u4e0d\u61c9\u7a31\u70ba\u300c\u4f7f\u7528\u8005\u8cc7\u8a0a\u300d\uff0c\u9664\u975e\u660e\u78ba\u5b9a\u7fa9\u5169\u8005\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u898b\u932f\u8aa4\u61c9\u907f\u514d \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5206\u6790\u5e2b\u5728\u5efa\u6a21\u6642\u4e5f\u6703\u72af\u932f\u3002\u53ca\u65e9\u8b58\u5225\u9019\u4e9b\u9677\u9631\uff0c\u53ef\u5728\u5be9\u67e5\u968e\u6bb5\u7bc0\u7701\u5927\u91cf\u6642\u9593\u3002<\/p>\n<ul>\n<li><strong>\u63a7\u5236\u6d41\u8207\u8cc7\u6599\u6d41\uff1a<\/strong> \u4e0d\u8981\u6df7\u6dc6\u6d41\u7a0b\u767c\u751f\u7684\u6642\u6a5f\uff08\u63a7\u5236\uff09\u8207\u6240\u79fb\u52d5\u7684\u8cc7\u6599\uff08\u8cc7\u6599\uff09\u3002\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u4e0d\u6703\u660e\u78ba\u986f\u793a\u8ff4\u5708\u6216\u689d\u4ef6\u3002<\/li>\n<li><strong>\u904e\u5ea6\u8907\u96dc\uff1a<\/strong> \u4e00\u5f35\u5305\u542b 50 \u500b\u6d41\u7a0b\u7684\u5716\u8868\u901a\u5e38\u96e3\u4ee5\u95b1\u8b80\u3002\u61c9\u4f7f\u7528\u5206\u89e3\u65b9\u5f0f\uff0c\u4f7f\u5716\u8868\u4fdd\u6301\u6e05\u6670\u4e14\u6613\u65bc\u7ba1\u7406\u3002<\/li>\n<li><strong>\u907a\u6f0f\u8cc7\u6599\u5132\u5b58\uff1a<\/strong> \u5fd8\u8a18\u6a19\u793a\u8cc7\u6599\u5132\u5b58\u4f4d\u7f6e\uff0c\u53ef\u80fd\u5c0e\u81f4\u8a2d\u8a08\u4e2d\u8cc7\u8a0a\u5728\u6b65\u9a5f\u4e4b\u9593\u907a\u5931\u3002<\/li>\n<li><strong>\u9ed1\u6d1e\uff1a<\/strong> \u4e00\u500b\u6709\u8f38\u5165\u4f46\u7121\u8f38\u51fa\u7684\u904e\u7a0b\u7a31\u70ba\u9ed1\u6d1e\u3002\u5b83\u6d88\u8017\u8cc7\u6599\uff0c\u4f46\u4e0d\u7522\u751f\u4efb\u4f55\u6771\u897f\u3002<\/li>\n<li><strong>\u5947\u8e5f\u904e\u7a0b\uff1a<\/strong> \u4e00\u500b\u6709\u8f38\u51fa\u4f46\u7121\u8f38\u5165\u7684\u904e\u7a0b\u7a31\u70ba\u5947\u8e5f\u3002\u5b83\u80fd\u5f9e\u7121\u5230\u6709\u5275\u9020\u8cc7\u6599\u3002<\/li>\n<\/ul>\n<h2>DFD \u8207\u6d41\u7a0b\u5716\uff1a\u4e86\u89e3\u5169\u8005\u7684\u5dee\u7570 \ud83d\udd04<\/h2>\n<p>\u4eba\u5011\u7d93\u5e38\u6df7\u6dc6\u8cc7\u6599\u6d41\u7a0b\u5716\u8207\u6d41\u7a0b\u5716\u3002\u96d6\u7136\u5b83\u5011\u5916\u89c0\u76f8\u4f3c\uff0c\u4f46\u7528\u9014\u4e0d\u540c\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09<\/th>\n<th>\u6d41\u7a0b\u5716<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u91cd\u9ede<\/strong><\/td>\n<td>\u8457\u91cd\u65bc\u8cc7\u6599\u7684\u79fb\u52d5\u8207\u8f49\u63db\u3002<\/td>\n<td>\u8457\u91cd\u65bc\u63a7\u5236\u6d41\u7a0b\u8207\u6c7a\u7b56\u908f\u8f2f\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u908f\u8f2f<\/strong><\/td>\n<td>\u4e0d\u986f\u793a\u6c7a\u7b56\u9ede\u6216\u8ff4\u5708\u3002<\/td>\n<td>\u660e\u78ba\u986f\u793a\u6c7a\u7b56\uff08\u83f1\u5f62\uff09\u8207\u8ff4\u5708\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6642\u5e8f<\/strong><\/td>\n<td>\u4e0d\u8868\u793a\u9806\u5e8f\u6216\u6642\u5e8f\u3002<\/td>\n<td>\u8868\u793a\u64cd\u4f5c\u7684\u9806\u5e8f\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<td>\u9700\u6c42\u5206\u6790\u8207\u7cfb\u7d71\u8a2d\u8a08\u3002<\/td>\n<td>\u6f14\u7b97\u6cd5\u8a2d\u8a08\u8207\u5be6\u4f5c\u908f\u8f2f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e86\u89e3\u9019\u9805\u5340\u5225\u80fd\u78ba\u4fdd\u4f60\u4f7f\u7528\u6b63\u78ba\u7684\u5de5\u5177\u4f86\u5b8c\u6210\u6b63\u78ba\u7684\u5de5\u4f5c\u3002\u82e5\u9700\u5b9a\u7fa9\u6c7a\u7b56\u7684\u57f7\u884c\u65b9\u5f0f\uff0c\u8acb\u4f7f\u7528\u6d41\u7a0b\u5716\uff1b\u82e5\u9700\u5b9a\u7fa9\u652f\u63f4\u6c7a\u7b56\u6240\u9700\u7684\u8cc7\u6599\uff0c\u8acb\u4f7f\u7528 DFD\u3002<\/p>\n<h2>\u4f7f\u7528\u8cc7\u6599\u6d41\u7a0b\u5716\u7684\u597d\u8655 \ud83c\udf1f<\/h2>\n<p>\u70ba\u4ec0\u9ebc\u8981\u82b1\u6642\u9593\u7e6a\u88fd\u9019\u4e9b\u5716\u8868\uff1f\u5176\u50f9\u503c\u9060\u8d85\u904e\u6587\u4ef6\u7de8\u88fd\u3002<\/p>\n<ul>\n<li><strong>\u6539\u5584\u6e9d\u901a\uff1a<\/strong> \u5b83\u63d0\u4f9b\u4e00\u7a2e\u8996\u89ba\u5316\u8a9e\u8a00\uff0c\u8b93\u5229\u5bb3\u95dc\u4fc2\u4eba\u3001\u958b\u767c\u4eba\u54e1\u8207\u696d\u52d9\u4f7f\u7528\u8005\u90fd\u80fd\u7406\u89e3\u3002\u9019\u80fd\u5f4c\u88dc\u6280\u8853\u8207\u975e\u6280\u8853\u5718\u968a\u4e4b\u9593\u7684\u9694\u95a1\u3002<\/li>\n<li><strong>\u66f4\u4f73\u7684\u9700\u6c42\u6536\u96c6\uff1a<\/strong> \u756b\u5716\u7684\u904e\u7a0b\u7d93\u5e38\u6703\u5728\u5efa\u7acb\u968e\u6bb5\u63ed\u9732\u907a\u6f0f\u7684\u9700\u6c42\u6216\u4e0d\u6e05\u7684\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u5206\u6790\uff1a<\/strong> \u5b83\u6709\u52a9\u65bc\u8b58\u5225\u91cd\u8907\u7684\u6d41\u7a0b\u3001\u74f6\u9838\uff0c\u6216\u8cc7\u6599\u672a\u88ab\u6709\u6548\u5229\u7528\u7684\u5340\u57df\u3002<\/li>\n<li><strong>\u6587\u4ef6\u6a19\u6e96\uff1a<\/strong> \u5b83\u4f5c\u70ba\u7cfb\u7d71\u67b6\u69cb\u7684\u6c38\u4e45\u8a18\u9304\uff0c\u6709\u5229\u65bc\u7dad\u8b77\u548c\u672a\u4f86\u5347\u7d1a\u3002<\/li>\n<li><strong>\u57f9\u8a13\u5de5\u5177\uff1a<\/strong> \u65b0\u6210\u54e1\u53ef\u4ee5\u900f\u904e\u6aa2\u8996\u5716\u8868\u800c\u975e\u95b1\u8b80\u5197\u9577\u7684\u6587\u5b57\uff0c\u66f4\u5feb\u5730\u4e86\u89e3\u7cfb\u7d71\u7684\u8cc7\u6599\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h2>\u5206\u6790\u5e2b\u7684\u6700\u4f73\u5be6\u52d9 \ud83c\udf93<\/h2>\n<p>\u70ba\u78ba\u4fdd\u60a8\u7684\u5716\u8868\u5c08\u696d\u4e14\u6709\u6548\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u5be6\u7528\u5efa\u8b70\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4e00\u81f4\u7684\u7b26\u865f\uff1a<\/strong> \u5728\u6574\u500b\u5c08\u6848\u4e2d\u5805\u6301\u4f7f\u7528\u4e00\u7a2e\u98a8\u683c\uff08\u4f8b\u5982 Gane &amp; Sarson \u6216 Yourdon &amp; DeMarco\uff09\uff0c\u4ee5\u907f\u514d\u6df7\u6dc6\u3002<\/li>\n<li><strong>\u4fdd\u6301\u6574\u6f54\uff1a<\/strong> \u907f\u514d\u7dda\u689d\u4ea4\u53c9\u3002\u82e5\u7dda\u689d\u5fc5\u9808\u4ea4\u53c9\uff0c\u8acb\u4f7f\u7528\u5f27\u7dda\u8868\u793a\u5b83\u5011\u4e26\u672a\u9023\u63a5\u3002<\/li>\n<li><strong>\u70ba\u60a8\u7684\u6d41\u7a0b\u7de8\u865f\uff1a<\/strong> \u70ba\u6d41\u7a0b\u7de8\u865f\uff08\u4f8b\u5982 1.0\u30011.1\u30011.2\uff09\u6709\u52a9\u65bc\u5728\u6587\u4ef6\u4e2d\u5f15\u7528\uff0c\u4e26\u7dad\u6301\u5c64\u7d1a\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8207\u5229\u5bb3\u95dc\u4fc2\u4eba\u5171\u540c\u5be9\u67e5\uff1a<\/strong> \u6c38\u9060\u4e0d\u8981\u5047\u8a2d\u60a8\u7684\u5716\u8868\u662f\u6b63\u78ba\u7684\u3002\u61c9\u8207\u696d\u52d9\u4f7f\u7528\u8005\u4e00\u8d77\u8d70\u67e5\uff0c\u4ee5\u78ba\u8a8d\u6e96\u78ba\u6027\u3002<\/li>\n<li><strong>\u8fed\u4ee3\uff1a<\/strong> \u8cc7\u6599\u6d41\u7a0b\u5716\u901a\u5e38\u5728\u7b2c\u4e00\u7a3f\u6642\u4e26\u975e\u5b8c\u7f8e\u3002\u96a8\u8457\u5c0d\u7cfb\u7d71\u4e86\u89e3\u7684\u52a0\u6df1\uff0c\u61c9\u9810\u671f\u9700\u4e0d\u65b7\u4fee\u6b63\u3002<\/li>\n<\/ul>\n<h2>\u5be6\u52d9\u7bc4\u4f8b\uff1a\u8a02\u55ae\u8655\u7406\u7cfb\u7d71 \ud83d\uded2<\/h2>\n<p>\u70ba\u8aaa\u660e\u9019\u4e9b\u6982\u5ff5\u5982\u4f55\u61c9\u7528\u65bc\u5be6\u969b\u60c5\u5883\uff0c\u8acb\u8003\u616e\u4e00\u500b\u8a02\u55ae\u8655\u7406\u7cfb\u7d71\u3002<\/p>\n<p><strong>\u80cc\u666f\u5716\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u5be6\u9ad4\uff1a<\/strong>\u9867\u5ba2<\/li>\n<li><strong>\u5be6\u9ad4\uff1a<\/strong>\u5eab\u5b58\u7cfb\u7d71<\/li>\n<li><strong>\u6d41\u7a0b\uff1a<\/strong>\u8a02\u55ae\u8655\u7406<\/li>\n<li><strong>\u8cc7\u6599\u6d41\uff1a<\/strong> \u9867\u5ba2\u767c\u51fa\u7684\u300c\u8a02\u55ae\u8acb\u6c42\u300d\uff0c\u767c\u9001\u5230\u5eab\u5b58\u7cfb\u7d71\u7684\u300c\u5eab\u5b58\u6aa2\u67e5\u300d\uff0c\u4ee5\u53ca\u56de\u50b3\u7d66\u9867\u5ba2\u7684\u300c\u78ba\u8a8d\u300d\u3002<\/li>\n<\/ul>\n<p><strong>\u7b2c 0 \u5c64\u5716\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6d41\u7a0b 1.0\uff1a<\/strong>\u63a5\u6536\u8a02\u55ae<\/li>\n<li><strong>\u6d41\u7a0b 2.0\uff1a<\/strong>\u9a57\u8b49\u5eab\u5b58<\/li>\n<li><strong>\u6d41\u7a0b 3.0\uff1a<\/strong>\u751f\u6210\u767c\u7968<\/li>\n<li><strong>\u8cc7\u6599\u5132\u5b58\uff1a<\/strong>\u8a02\u55ae\u8cc7\u6599\u5eab<\/li>\n<li><strong>\u8cc7\u6599\u5132\u5b58\uff1a<\/strong>\u7522\u54c1\u76ee\u9304<\/li>\n<\/ul>\n<p><strong>\u7b2c 1 \u5c64\u5716\u793a\uff08\u5206\u89e3\u6d41\u7a0b 2.0\uff09\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6d41\u7a0b 2.1\uff1a<\/strong>\u6aa2\u67e5\u5eab\u5b58\u6c34\u6e96<\/li>\n<li><strong>\u6d41\u7a0b 2.2\uff1a<\/strong>\u66f4\u65b0\u5eab\u5b58<\/li>\n<li><strong>\u8cc7\u6599\u5132\u5b58\uff1a<\/strong>\u5eab\u5b58\u65e5\u8a8c<\/li>\n<\/ul>\n<p>\u6b64\u5206\u89e3\u986f\u793a\u4e86\u55ae\u4e00\u9ad8\u968e\u9700\u6c42\u5982\u4f55\u8f49\u5316\u70ba\u53ef\u57f7\u884c\u7684\u7cfb\u7d71\u7d44\u4ef6\uff0c\u800c\u7121\u9700\u6307\u5b9a\u7279\u5b9a\u7684\u8edf\u9ad4\u5de5\u5177\u3002<\/p>\n<h2>DFD \u5efa\u6a21\u7e3d\u7d50 \ud83d\udcdd<\/h2>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u4ecd\u7136\u662f\u7cfb\u7d71\u5206\u6790\u7684\u57fa\u77f3\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u4f86\u601d\u8003\u8cc7\u6599\u6d41\u52d5\u8207\u7cfb\u7d71\u908a\u754c\u3002\u900f\u904e\u9075\u5faa\u5206\u89e3\u898f\u5247\u3001\u4fdd\u6301\u547d\u540d\u4e00\u81f4\uff0c\u4e26\u907f\u514d\u5e38\u898b\u9677\u9631\uff0c\u5206\u6790\u5e2b\u53ef\u4ee5\u5efa\u7acb\u65e2\u6e96\u78ba\u53c8\u5be6\u7528\u7684\u6a21\u578b\u3002\u76ee\u6a19\u4e0d\u50c5\u662f\u756b\u51fa\u7dda\u689d\uff0c\u66f4\u662f\u7406\u89e3\u63a8\u52d5\u5546\u696d\u50f9\u503c\u7684\u8cc7\u8a0a\u6d41\u52d5\u3002<\/p>\n<p>\u5c0d\u65bc\u65b0\u624b\u5206\u6790\u5e2b\u800c\u8a00\uff0c\u5f9e\u6e05\u6670\u7684\u80cc\u666f\u5716\u958b\u59cb\u4e26\u9010\u6b65\u5411\u4e0b\u5206\u89e3\uff0c\u662f\u6700\u53ef\u9760\u7684\u9014\u5f91\u3002\u8acb\u8a18\u4f4f\uff0c\u5716\u8868\u662f\u4e00\u4efd\u6d3b\u6587\u4ef6\u3002\u96a8\u8457\u9700\u6c42\u8b8a\u66f4\uff0c\u5716\u8868\u4e5f\u61c9\u96a8\u4e4b\u6f14\u9032\u4ee5\u53cd\u6620\u65b0\u7684\u73fe\u5be6\u3002\u9019\u7a2e\u5f48\u6027\u78ba\u4fdd\u7cfb\u7d71\u6587\u4ef6\u5728\u6574\u500b\u5c08\u6848\u751f\u547d\u9031\u671f\u4e2d\u4fdd\u6301\u76f8\u95dc\u6027\u3002<\/p>\n<p>\u900f\u904e\u638c\u63e1\u9019\u4e9b\u57fa\u790e\u77e5\u8b58\uff0c\u60a8\u5c07\u5177\u5099\u5f37\u5927\u7684\u5206\u6790\u8207\u8a2d\u8a08\u5de5\u5177\u3002\u80fd\u5920\u8996\u89ba\u5316\u8cc7\u6599\u6d41\u52d5\u662f\u4e00\u9805\u8de8\u7522\u696d\u8207\u6280\u8853\u7684\u6280\u80fd\u3002\u7121\u8ad6\u60a8\u5f9e\u4e8b\u7db2\u9801\u61c9\u7528\u3001\u4f01\u696d\u8edf\u9ad4\u6216\u5167\u90e8\u5de5\u4f5c\u6d41\u7a0b\uff0c\u8cc7\u6599\u6d41\u7a0b\u5716\u7684\u539f\u5247\u90fd\u666e\u904d\u9069\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7406\u89e3\u8907\u96dc\u7cfb\u7d71\u4e0d\u50c5\u50c5\u9700\u8981\u8ac7\u8ad6\u5b83\u5011\uff0c\u9084\u9700\u8981\u8996\u89ba\u5316\u8cc7\u8a0a\u5982\u4f55\u5728\u5176\u4e2d\u6d41\u52d5\u3002\u9019\u6b63\u662f\u300c\u8cc7\u6599\u6d41\u7a0b\u5716\u300d\uff0c\u901a\u5e38\u7a31\u70ba DFD\uff0c\u6210\u70ba\u5546\u696d\u8207\u7cfb\u7d71\u5206\u6790\u5e2b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u7121\u8ad6\u60a8\u662f\u8a2d\u8a08\u65b0\u61c9\u7528\u7a0b\u5f0f\u3001\u5be9\u6838\u73fe\u6709\u5de5\u4f5c\u6d41\u7a0b\uff0c\u9084\u662f\u8a18\u9304\u9700\u6c42\uff0c\u638c\u63e1 DFD \u7684\u57fa\u672c\u77e5\u8b58\u5c0d\u65bc\u6e05\u6670\u6e9d\u901a\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6307\u5357\u5168\u9762\u89e3\u6790\u4e86 DFD \u662f\u4ec0\u9ebc\u3001\u5176\u6838\u5fc3\u7d44\u6210\u90e8\u5206\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u69cb\u5efa\u5b83\u3002 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