{"id":4210,"date":"2026-03-24T23:15:07","date_gmt":"2026-03-24T23:15:07","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/tw\/dfd-for-beginners-guide-system-visualization\/"},"modified":"2026-03-24T23:15:07","modified_gmt":"2026-03-24T23:15:07","slug":"dfd-for-beginners-guide-system-visualization","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/tw\/dfd-for-beginners-guide-system-visualization\/","title":{"rendered":"\u521d\u5b78\u8005\u6307\u5357\uff1a\u7121\u5c08\u696d\u8853\u8a9e\u7684\u7cfb\u7d71\u53ef\u8996\u5316\u5165\u9580"},"content":{"rendered":"<p>\u7406\u89e3\u6578\u64da\u5982\u4f55\u5728\u8907\u96dc\u7cfb\u7d71\u4e2d\u6d41\u52d5\uff0c\u5c0d\u4efb\u4f55\u53c3\u8207\u8a2d\u8a08\u3001\u5206\u6790\u6216\u7ba1\u7406\u7684\u4eba\u4f86\u8aaa\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u4f60\u662f\u6b63\u5728\u958b\u767c\u65b0\u61c9\u7528\u7a0b\u5f0f\u3001\u512a\u5316\u696d\u52d9\u6d41\u7a0b\uff0c\u9084\u662f\u50c5\u50c5\u8a66\u5716\u7406\u89e3\u67d0\u9805\u670d\u52d9\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u53ef\u8996\u5316\u8cc7\u8a0a\u6d41\u52d5\u90fd\u662f\u7b2c\u4e00\u6b65\u3002\u9019\u6b63\u662f\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u767c\u63ee\u4f5c\u7528\u7684\u5730\u65b9\u3002\u5b83\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5448\u73fe\u8cc7\u6599\u7684\u79fb\u52d5\u65b9\u5f0f\uff0c\u800c\u4e0d\u6703\u9677\u5165\u6280\u8853\u7a0b\u5f0f\u78bc\u6216\u8907\u96dc\u908f\u8f2f\u7684\u6ce5\u6f6d\u3002<\/p>\n<p>\u672c\u6307\u5357\u5168\u9762\u4ecb\u7d39\u4e86DFD\uff0c\u5c08\u70ba\u5e0c\u671b\u5728\u7121\u6df7\u6dc6\u7684\u60c5\u6cc1\u4e0b\u638c\u63e1\u6982\u5ff5\u7684\u521d\u5b78\u8005\u8a2d\u8a08\u3002\u6211\u5011\u5c07\u63a2\u8a0eDFD\u7a76\u7adf\u662f\u4ec0\u9ebc\u3001\u4f7f\u5176\u904b\u4f5c\u7684\u6838\u5fc3\u7d44\u4ef6\u3001\u4e0d\u540c\u5c64\u6b21\u7684\u7d30\u7bc0\uff0c\u4ee5\u53ca\u7dad\u6301\u5716\u8868\u6e96\u78ba\u6027\u7684\u898f\u5247\u3002\u5728\u672c\u6587\u7d50\u675f\u6642\uff0c\u4f60\u5c07\u5177\u5099\u4e00\u500b\u6e05\u6670\u7684\u5fc3\u667a\u6a21\u578b\uff0c\u80fd\u5920\u6709\u6548\u5730\u53ef\u8996\u5316\u7cfb\u7d71\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Line art infographic explaining Data Flow Diagrams (DFD) for beginners: illustrates the four core components (external entities, processes, data stores, data flows) with labeled symbols, shows the three-level hierarchy from Context Diagram to detailed Level 2 DFDs, includes quick tips for avoiding common mistakes, and compares DFDs versus flowcharts, all in clean minimalist black-and-white line art style for educational system visualization purposes\" decoding=\"async\" src=\"https:\/\/www.diagrams-ai.com\/wp-content\/uploads\/2026\/03\/dfd-beginners-guide-infographic-line-art-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\u8cc7\u6599\u6d41\u7a0b\u5716\u5230\u5e95\u662f\u4ec0\u4e48\uff1f\ud83e\udd14<\/h2>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u8cc7\u8a0a\u7cfb\u7d71\u4e2d\u8cc7\u6599\u6d41\u52d5\u7684\u5716\u5f62\u5316\u8868\u793a\u3002\u8207\u5c08\u6ce8\u65bc\u6d41\u7a0b\u908f\u8f2f\u8207\u6c7a\u7b56\u6b65\u9a5f\u7684\u6d41\u7a0b\u5716\u4e0d\u540c\uff0cDFD\u5c08\u6ce8\u65bc\u8cc7\u6599\u672c\u8eab\u3002\u5b83\u986f\u793a\u8cc7\u6599\u7684\u4f86\u6e90\u3001\u53bb\u5411\uff0c\u4ee5\u53ca\u5728\u79fb\u52d5\u904e\u7a0b\u4e2d\u5982\u4f55\u8b8a\u5316\u3002<\/p>\n<p>\u628a\u5b83\u60f3\u50cf\u6210\u9ad8\u901f\u516c\u8def\u7cfb\u7d71\u7684\u5730\u5716\u3002\u4f60\u4e0d\u9700\u8981\u95dc\u5fc3\u8eca\u8f1b\u7684\u5177\u9ad4\u6a5f\u68b0\u7d50\u69cb\uff08\u90a3\u5c31\u50cf\u7a0b\u5f0f\u78bc\uff09\uff1b\u4f60\u95dc\u5fc3\u7684\u662f\u9053\u8def\u3001\u5165\u53e3\u3001\u51fa\u53e3\u548c\u76ee\u7684\u5730\u3002DFD\u5c0d\u8cc7\u8a0a\u4e5f\u505a\u540c\u6a23\u7684\u4e8b\u3002<\/p>\n<h3>\u70ba\u4ec0\u9ebc\u8981\u4f7f\u7528DFD\uff1f\ud83d\ude80<\/h3>\n<p>\u63a1\u7528\u9019\u7a2e\u53ef\u8996\u5316\u6280\u8853\u6709\u5e7e\u500b\u4ee4\u4eba\u4fe1\u670d\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6e05\u6670\u6027\uff1a<\/strong>\u5b83\u80fd\u5c07\u8907\u96dc\u7cfb\u7d71\u7c21\u5316\u70ba\u6613\u65bc\u7406\u89e3\u7684\u8996\u89ba\u5716\u50cf\u3002<\/li>\n<li><strong>\u6e9d\u901a\uff1a<\/strong>\u5b83\u80fd\u5f4c\u5408\u6280\u8853\u5718\u968a\u8207\u975e\u6280\u8853\u5229\u76ca\u76f8\u95dc\u8005\u4e4b\u9593\u7684\u6e9d\u901a\u9d3b\u6e9d\u3002<\/li>\n<li><strong>\u5206\u6790\uff1a<\/strong>\u5b83\u6709\u52a9\u65bc\u8b58\u5225\u74f6\u9838\u3001\u907a\u6f0f\u7684\u8cc7\u6599\u6216\u91cd\u8907\u7684\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u6587\u4ef6\u8a18\u9304\uff1a<\/strong>\u5b83\u4f5c\u70ba\u7cfb\u7d71\u904b\u4f5c\u65b9\u5f0f\u7684\u52d5\u614b\u8a18\u9304\u3002<\/li>\n<\/ul>\n<p>\u7576\u6bcf\u500b\u4eba\u770b\u8457\u540c\u4e00\u5f35\u5716\u8868\u6642\uff0c\u8aa4\u89e3\u7684\u7a7a\u9593\u5c31\u8b8a\u5c0f\u4e86\u3002\u5b83\u78ba\u4fdd\u696d\u52d9\u908f\u8f2f\u8207\u6280\u8853\u5be6\u73fe\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n<h2>DFD\u7684\u56db\u500b\u6838\u5fc3\u7d44\u4ef6 \ud83e\uddf1<\/h2>\n<p>\u6bcf\u500b\u8cc7\u6599\u6d41\u7a0b\u5716\u90fd\u662f\u7531\u56db\u500b\u57fa\u672c\u7b26\u865f\u69cb\u6210\u7684\u3002\u96d6\u7136\u5b58\u5728\u4e0d\u540c\u7684\u7b26\u865f\u98a8\u683c\uff0c\u4f46\u5176\u80cc\u5f8c\u7684\u908f\u8f2f\u59cb\u7d42\u4e00\u81f4\u3002\u5728\u7e6a\u88fd\u4efb\u4f55\u5167\u5bb9\u4e4b\u524d\uff0c\u7406\u89e3\u9019\u4e9b\u57fa\u672c\u69cb\u4ef6\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>1. \u5916\u90e8\u5be6\u9ad4\uff08\u4f86\u6e90\u8207\u76ee\u7684\u5730\uff09 \ud83c\udf0d<\/h3>\n<p>\u5916\u90e8\u5be6\u9ad4\u4ee3\u8868\u8207\u4f60\u6b63\u5728\u7e6a\u88fd\u7684\u7cfb\u7d71\u4e92\u52d5\u7684\u4eba\u3001\u7d44\u7e54\u6216\u5176\u4ed6\u7cfb\u7d71\u3002\u5b83\u5011\u662f\u63d0\u4f9b\u8f38\u5165\u6216\u63a5\u6536\u8f38\u51fa\u7684\u300c\u5916\u90e8\u4eba\u54e1\u300d\uff0c\u4f4d\u65bc\u4f60\u7cfb\u7d71\u908a\u754c\u4e4b\u5916\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u5ba2\u6236\u3001\u4f9b\u61c9\u5546\u3001\u9280\u884c\u3001\u653f\u5e9c\u6a5f\u69cb\uff0c\u6216\u5916\u90e8API\u3002<\/li>\n<li><strong>\u7b26\u865f\u8868\u793a\uff1a<\/strong> \u901a\u5e38\u4ee5\u77e9\u5f62\u6216\u6b63\u65b9\u5f62\u8868\u793a\u3002<\/li>\n<li><strong>\u95dc\u9375\u898f\u5247\uff1a<\/strong> \u5be6\u9ad4\u5728\u5716\u8868\u4e2d\u4e0d\u5132\u5b58\u8cc7\u6599\uff1b\u5b83\u5011\u50c5\u8ca0\u8cac\u50b3\u9001\u6216\u63a5\u6536\u8cc7\u6599\u3002<\/li>\n<\/ul>\n<h3>2. \u8655\u7406\u904e\u7a0b\uff08\u8f49\u63db\uff09 \u2699\ufe0f<\/h3>\n<p>\u8655\u7406\u904e\u7a0b\u662f\u5c07\u8f38\u5165\u8cc7\u6599\u8f49\u63db\u70ba\u8f38\u51fa\u8cc7\u6599\u7684\u52d5\u4f5c\u3002\u9019\u5c31\u662f\u300c\u5de5\u4f5c\u300d\u767c\u751f\u7684\u5730\u65b9\u3002\u4e00\u500b\u8655\u7406\u904e\u7a0b\u63a5\u6536\u8f38\u5165\uff0c\u5c0d\u5176\u9032\u884c\u8655\u7406\uff0c\u4e26\u7522\u751f\u8f38\u51fa\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u8a08\u7b97\u7e3d\u984d\u3001\u9a57\u8b49\u767b\u5165\u3001\u751f\u6210\u5831\u8868\u6216\u6392\u5e8f\u6e05\u55ae\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong> \u901a\u5e38\u4ee5\u5713\u5f62\u6216\u5713\u89d2\u77e9\u5f62\u8868\u793a\u3002<\/li>\n<li><strong>\u95dc\u9375\u898f\u5247\uff1a<\/strong> \u4e00\u500b\u6d41\u7a0b\u5fc5\u9808\u81f3\u5c11\u6709\u4e00\u500b\u8f38\u5165\u548c\u4e00\u500b\u8f38\u51fa\u3002\u5b83\u4e0d\u80fd\u6191\u7a7a\u5275\u9020\u8cc7\u6599\u3002<\/li>\n<\/ul>\n<h3>3. \u8cc7\u6599\u5132\u5b58\uff08\u8a18\u61b6\u9ad4\uff09 \ud83d\udcbe<\/h3>\n<p>\u8cc7\u6599\u5132\u5b58\u4ee3\u8868\u8cc7\u8a0a\u88ab\u4fdd\u7559\u4ee5\u4f9b\u672a\u4f86\u4f7f\u7528\u7684\u5834\u6240\u3002\u9019\u53ef\u80fd\u662f\u5be6\u9ad4\u6a94\u6848\u3001\u8cc7\u6599\u5eab\u8868\u683c\u3001\u8cc7\u6599\u593e\uff0c\u751a\u81f3\u662f\u4e00\u500b\u6a94\u6848\u6ac3\u3002\u8207\u5be6\u9ad4\u4e0d\u540c\uff0c\u9019\u4e9b\u5c6c\u65bc\u7cfb\u7d71\u908a\u754c\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u7528\u6236\u8cc7\u6599\u5eab\u3001\u5eab\u5b58\u65e5\u8a8c\u3001\u8a2d\u5b9a\u6a94\u6216\u66ab\u6642\u5feb\u53d6\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong> \u901a\u5e38\u4ee5\u958b\u53e3\u77e9\u5f62\u6216\u5169\u689d\u5e73\u884c\u7dda\u8868\u793a\u3002<\/li>\n<li><strong>\u95dc\u9375\u898f\u5247\uff1a<\/strong> \u8cc7\u6599\u6d41\u53ef\u4ee5\u9032\u5165\u548c\u96e2\u958b\u5132\u5b58\uff0c\u4f46\u5169\u500b\u5132\u5b58\u4e4b\u9593\u4e0d\u80fd\u76f4\u63a5\u6d41\u52d5\u8cc7\u6599\uff0c\u9664\u975e\u4e2d\u9593\u6709\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h3>4. \u8cc7\u6599\u6d41\uff08\u79fb\u52d5\uff09 \ud83d\udd04<\/h3>\n<p>\u8cc7\u6599\u6d41\u986f\u793a\u5be6\u9ad4\u3001\u6d41\u7a0b\u548c\u5132\u5b58\u4e4b\u9593\u8cc7\u6599\u79fb\u52d5\u7684\u65b9\u5411\u3002\u5b83\u5011\u4ee3\u8868\u5be6\u969b\u50b3\u8f38\u7684\u8cc7\u6599\u5c01\u5305\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u8a02\u55ae\u8868\u55ae\u3001\u767b\u5165\u8acb\u6c42\u3001\u4ed8\u6b3e\u78ba\u8a8d\u6216\u6bcf\u65e5\u5831\u8868\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong> \u4ee5\u5e36\u6709\u6a19\u7c64\u7684\u7bad\u982d\u8868\u793a\uff0c\u6a19\u7c64\u63cf\u8ff0\u8cc7\u6599\u5167\u5bb9\u3002<\/li>\n<li><strong>\u95dc\u9375\u898f\u5247\uff1a<\/strong> \u7bad\u982d\u5fc5\u9808\u6e05\u695a\u6a19\u793a\u3002\u7d55\u4e0d\u80fd\u7559\u4e0b\u672a\u6a19\u793a\u7684\u8cc7\u6599\u6d41\u3002<\/li>\n<\/ul>\n<h2>\u7b26\u865f\u98a8\u683c\uff1a\u9078\u64c7\u4f60\u7684\u5f62\u72c0 \ud83c\udfa8<\/h2>\n<p>\u95dc\u65bc\u5982\u4f55\u7e6a\u88fd\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\uff0c\u6709\u5169\u7a2e\u4e3b\u8981\u7684\u89c0\u9ede\u3002\u96d6\u7136\u908f\u8f2f\u76f8\u540c\uff0c\u4f46\u5f62\u72c0\u7565\u6709\u5dee\u7570\u3002\u4e86\u89e3\u9019\u4e9b\u5dee\u7570\u6709\u52a9\u65bc\u4f60\u95b1\u8b80\u4ed6\u4eba\u6240\u7e6a\u88fd\u7684\u5716\u8868\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5143\u4ef6<\/th>\n<th>Yourdon &amp; DeMarco<\/th>\n<th>Gane &amp; Sarson<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6d41\u7a0b<\/td>\n<td>\u5713\u5f62<\/td>\n<td>\u5713\u89d2\u77e9\u5f62<\/td>\n<\/tr>\n<tr>\n<td>\u5916\u90e8\u5be6\u9ad4<\/td>\n<td>\u65b9\u5f62<\/td>\n<td>\u77e9\u5f62<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u5132\u5b58<\/td>\n<td>\u958b\u653e\u77e9\u5f62<\/td>\n<td>\u958b\u653e\u77e9\u5f62\uff08\u5074\u908a\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u6d41<\/td>\n<td>\u5e36\u7bad\u982d\u7684\u7dda\u689d<\/td>\n<td>\u5e36\u7bad\u982d\u7684\u7dda\u689d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5169\u7a2e\u98a8\u683c\u90fd\u662f\u6709\u6548\u7684\u3002\u9078\u64c7\u901a\u5e38\u53d6\u6c7a\u65bc\u7d44\u7e54\u73fe\u6709\u7684\u6a19\u6e96\u3002\u4f5c\u70ba\u521d\u5b78\u8005\uff0c\u61c9\u8457\u91cd\u65bc\u908f\u8f2f\uff0c\u800c\u975e\u5177\u9ad4\u7684\u5e7e\u4f55\u5f62\u72c0\u3002<\/p>\n<h2>\u62bd\u8c61\u5c64\u7d1a\uff1a\u7d30\u7bc0\u7684\u5c64\u7d1a\u7d50\u69cb \ud83d\udcca<\/h2>\n<p>DFD \u6700\u5f37\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u662f\u80fd\u5920\u653e\u5927\u548c\u7e2e\u5c0f\u6aa2\u8996\u3002\u9019\u88ab\u7a31\u70ba\u300c\u5206\u89e3\u300d\u6216\u300c\u5e73\u8861\u300d\u3002\u4f60\u5f9e\u9ad8\u968e\u8996\u5716\u958b\u59cb\uff0c\u4e26\u5c07\u5176\u5206\u89e3\u70ba\u66f4\u5c0f\u3001\u66f4\u8a73\u7d30\u7684\u8996\u5716\u3002<\/p>\n<h3>1. \u4e0a\u4e0b\u6587\u5716\uff08\u7b2c 0 \u5c64\uff09 \ud83c\udfaf<\/h3>\n<p>\u9019\u662f\u7cfb\u7d71\u7684\u6700\u9ad8\u5c64\u8996\u5716\u3002\u5b83\u5c07\u7cfb\u7d71\u5448\u73fe\u70ba\u55ae\u4e00\u8655\u7406\u7a0b\u5e8f\uff0c\u4e26\u6a19\u793a\u5176\u8207\u5916\u90e8\u5be6\u9ad4\u7684\u4e92\u52d5\u3002\u5b83\u56de\u7b54\u7684\u554f\u984c\u662f\uff1a\u300c\u7cfb\u7d71\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4ec0\u9ebc\uff1f\u300d<\/p>\n<ul>\n<li><strong>\u91cd\u9ede\uff1a<\/strong> \u6574\u500b\u7cfb\u7d71\u8996\u70ba\u4e00\u500b\u9ed1\u7bb1\u3002<\/li>\n<li><strong>\u4f7f\u7528\u60c5\u5883\uff1a<\/strong> \u7372\u5f97\u5229\u5bb3\u95dc\u4fc2\u4eba\u5c0d\u7bc4\u570d\u7684\u5171\u8b58\u3002<\/li>\n<li><strong> \u8a73\u7d30\u7a0b\u5ea6\uff1a<\/strong> \u6700\u5c11\u3002\u50c5\u986f\u793a\u8f38\u5165\u548c\u8f38\u51fa\u3002<\/li>\n<\/ul>\n<h3>2. \u7b2c 1 \u5c64 DFD \ud83e\udde9<\/h3>\n<p>\u5728\u6b64\u5c64\u7d1a\u4e2d\uff0c\u4e0a\u4e0b\u6587\u5716\u4e2d\u7684\u55ae\u4e00\u8655\u7406\u7a0b\u5e8f\u88ab\u5206\u89e3\u70ba\u4e3b\u8981\u7684\u5b50\u7a0b\u5e8f\u3002\u9019\u63ed\u793a\u4e86\u7cfb\u7d71\u7684\u4e3b\u8981\u529f\u80fd\u5340\u57df\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u9ede\uff1a<\/strong> \u4e3b\u8981\u529f\u80fd\u7fa4\u7d44\u3002<\/li>\n<li><strong>\u4f7f\u7528\u60c5\u5883\uff1a<\/strong> \u7406\u89e3\u9ad8\u968e\u5de5\u4f5c\u6d41\u7a0b\u3002<\/li>\n<li><strong> \u8a73\u7d30\u7a0b\u5ea6\uff1a<\/strong> \u5c55\u793a\u4e3b\u8981\u6a21\u7d44\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n<h3>3. \u7b2c 2 \u5c64 DFD\uff08\u53ca\u66f4\u9032\u4e00\u6b65\uff09 \ud83d\udd0d<\/h3>\n<p>\u7b2c 2 \u5c64\u6703\u91dd\u5c0d\u7b2c 1 \u5c64\u4e2d\u7684\u7279\u5b9a\u7a0b\u5e8f\u9032\u4e00\u6b65\u5206\u89e3\u3002\u4f60\u53ef\u4ee5\u7e7c\u7e8c\u6df1\u5165\u5230\u7b2c 3 \u5c64\u3001\u7b2c 4 \u5c64\uff0c\u4f9d\u6b64\u985e\u63a8\uff0c\u76f4\u5230\u9054\u5230\u958b\u767c\u4eba\u54e1\u6216\u64cd\u4f5c\u4eba\u54e1\u53ef\u7ba1\u7406\u7684\u7d30\u7bc0\u5c64\u7d1a\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u9ede\uff1a<\/strong> \u5b50\u6d41\u7a0b\u4e2d\u7684\u7279\u5b9a\u908f\u8f2f\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6848\u4f8b\uff1a<\/strong> \u5be6\u65bd\u898f\u5283\u8207\u8a73\u7d30\u6e2c\u8a66\u3002<\/li>\n<li><strong>\u7d30\u7bc0\uff1a<\/strong> \u7d30\u7dfb\u7684\u6b65\u9a5f\u8207\u5177\u9ad4\u7684\u8cc7\u6599\u9ede\u3002<\/li>\n<\/ul>\n<p> \u5728\u9019\u4e9b\u5c64\u7d1a\u4e4b\u9593\u4fdd\u6301\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u9019\u7a31\u70ba\u300c\u5e73\u8861\u300d\u3002\u5982\u679c\u4e00\u7d1a\u6d41\u7a0b\u7522\u751f\u8f38\u51fa\uff0c\u4e8c\u7d1a\u4e2d\u7684\u5b50\u6d41\u7a0b\u5fc5\u9808\u5c0d\u61c9\u8655\u7406\u8a72\u8f38\u51fa\u3002<\/p>\n<h2>\u5982\u4f55\u5efa\u7acb\u8cc7\u6599\u6d41\u7a0b\u5716\uff1a\u9010\u6b65\u6307\u5357 \ud83d\udee0\ufe0f<\/h2>\n<p>\u5efa\u7acb\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u4e00\u500b\u8fed\u4ee3\u904e\u7a0b\u3002\u4f60\u5f88\u5c11\u80fd\u4e00\u6b21\u5c31\u6b63\u78ba\u5b8c\u6210\u3002\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff0c\u4ee5\u5efa\u7acb\u7a69\u56fa\u7684\u57fa\u790e\u3002<\/p>\n<h3>\u6b65\u9a5f 1\uff1a\u8b58\u5225\u7cfb\u7d71\u908a\u754c \ud83d\udea7<\/h3>\n<p>\u6c7a\u5b9a\u7cfb\u7d71\u5167\u90e8\u8207\u5916\u90e8\u7684\u5167\u5bb9\u3002\u9019\u5b9a\u7fa9\u4e86\u4f60\u7684\u4e0a\u4e0b\u6587\u3002\u5167\u90e8\u7684\u6240\u6709\u5167\u5bb9\u90fd\u662f\u7cfb\u7d71\u7684\u4e00\u90e8\u5206\uff1b\u5916\u90e8\u7684\u6240\u6709\u5167\u5bb9\u90fd\u662f\u5be6\u9ad4\u6216\u5916\u90e8\u7cfb\u7d71\u3002<\/p>\n<h3>\u6b65\u9a5f 2\uff1a\u5217\u51fa\u5916\u90e8\u5be6\u9ad4 \ud83d\udc65<\/h3>\n<p>\u8ab0\u8207\u7cfb\u7d71\u4e92\u52d5\uff1f\u5c07\u4ed6\u5011\u5217\u51fa\u4f86\u3002\u8003\u616e\u4f7f\u7528\u8005\u3001\u5176\u4ed6\u7cfb\u7d71\u4ee5\u53ca\u5916\u90e8\u8cc7\u6599\u4f86\u6e90\u3002\u70ba\u6bcf\u500b\u5be6\u9ad4\u8ce6\u4e88\u660e\u78ba\u7684\u540d\u7a31\u3002<\/p>\n<h3>\u6b65\u9a5f 3\uff1a\u5b9a\u7fa9\u4e3b\u8981\u6d41\u7a0b \ud83d\udd04<\/h3>\n<p>\u7cfb\u7d71\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u9ebc\uff1f\u9019\u4e9b\u662f\u52d5\u8a5e\u3002\u4f8b\u5982\uff0c\u201c\u8655\u7406\u8a02\u55ae\u201d\u3001\u201c\u7ba1\u7406\u4f7f\u7528\u8005\u201d\u6216\u201c\u7522\u751f\u5831\u8868\u201d\u3002<\/p>\n<h3>\u6b65\u9a5f 4\uff1a\u7e6a\u88fd\u8cc7\u6599\u6d41 \ud83d\udcc8<\/h3>\n<p>\u4f7f\u7528\u7bad\u982d\u9023\u63a5\u5be6\u9ad4\u8207\u6d41\u7a0b\u3002\u70ba\u6bcf\u500b\u7bad\u982d\u6a19\u8a3b\u6240\u50b3\u905e\u7684\u5177\u9ad4\u8cc7\u6599\u3002\u78ba\u4fdd\u6bcf\u500b\u6d41\u7a0b\u81f3\u5c11\u6709\u4e00\u500b\u8f38\u5165\u8207\u4e00\u500b\u8f38\u51fa\u3002<\/p>\n<h3>\u6b65\u9a5f 5\uff1a\u65b0\u589e\u8cc7\u6599\u5132\u5b58 \ud83d\uddc4\ufe0f<\/h3>\n<p>\u8b58\u5225\u8cc7\u8a0a\u9700\u8981\u5132\u5b58\u7684\u4f4d\u7f6e\u3002\u5728\u6d41\u7a0b\u8207\u5132\u5b58\u4e4b\u9593\u5efa\u7acb\u9023\u63a5\u3002\u8acb\u8a18\u4f4f\uff0c\u8cc7\u6599\u6d41\u53ef\u4ee5\u96d9\u5411\u9032\u884c\uff08\u8b80\u53d6\/\u5beb\u5165\uff09\u3002<\/p>\n<h3>\u6b65\u9a5f 6\uff1a\u5be9\u67e5\u8207\u512a\u5316 \ud83d\udd0e<\/h3>\n<p>\u6aa2\u67e5\u932f\u8aa4\u3002\u662f\u5426\u6709\u5b64\u7acb\u7684\u8cc7\u6599\u6d41\uff1f\u6240\u6709\u6a19\u7c64\u662f\u5426\u6e05\u6670\uff1f\u5716\u8868\u662f\u5426\u7b26\u5408\u7cfb\u7d71\u5be6\u969b\u904b\u4f5c\u65b9\u5f0f\uff1f\u5fc5\u8981\u6642\u9032\u884c\u8fed\u4ee3\u3002<\/p>\n<h2>\u61c9\u907f\u514d\u7684\u5e38\u898b\u932f\u8aa4 \ud83d\udeab<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5c08\u696d\u4eba\u58eb\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u5e38\u898b\u9677\u9631\u5c07\u7bc0\u7701\u60a8\u7684\u6642\u9593\u8207\u6df7\u6dc6\u3002<\/p>\n<ul>\n<li><strong>\u5be6\u9ad4\u76f4\u63a5\u81f3\u5132\u5b58\u7684\u8cc7\u6599\u6d41\uff1a<\/strong> \u8cc7\u6599\u7121\u6cd5\u76f4\u63a5\u5f9e\u5916\u90e8\u5be6\u9ad4\u50b3\u9001\u5230\u8cc7\u6599\u5132\u5b58\u3002\u5fc5\u9808\u5148\u7d93\u904e\u6d41\u7a0b\u3002\u6b64\u6d41\u7a0b\u78ba\u4fdd\u8cc7\u6599\u6709\u6548\u4e14\u683c\u5f0f\u6b63\u78ba\u3002<\/li>\n<li><strong>\u5947\u8e5f\uff1a<\/strong> \u9019\u662f\u4e00\u7a2e\u6709\u8f38\u51fa\u4f46\u7121\u8f38\u5165\u7684\u6d41\u7a0b\u3002\u9019\u610f\u5473\u8457\u8cc7\u6599\u6191\u7a7a\u7522\u751f\uff0c\u9019\u662f\u4e0d\u53ef\u80fd\u7684\u3002<\/li>\n<li><strong> \u9ed1\u6d1e\uff1a<\/strong> \u9019\u662f\u4e00\u7a2e\u6709\u8f38\u5165\u4f46\u7121\u8f38\u51fa\u7684\u6d41\u7a0b\u3002\u8cc7\u6599\u6d88\u5931\u65bc\u865b\u7121\u4e4b\u4e2d\u3002\u6bcf\u500b\u8f38\u5165\u90fd\u5fc5\u9808\u6709\u53bb\u8655\u3002<\/li>\n<li><strong> \u672a\u660e\u78ba\u5316\u7684\u8cc7\u6599\u6d41\uff1a<\/strong> \u907f\u514d\u5c07\u8cc7\u6599\u6d41\u6a19\u793a\u70ba\u300c\u8cc7\u6599\u300d\u3002\u61c9\u5177\u9ad4\u5316\u3002\u4f8b\u5982\u4f7f\u7528\u300c\u5ba2\u6236\u59d3\u540d\u300d\u800c\u975e\u300c\u8cc7\u6599\u300d\uff0c\u6216\u4f7f\u7528\u300c\u767c\u7968\u7de8\u865f\u300d\u800c\u975e\u300c\u8cc7\u8a0a\u300d\u3002<\/li>\n<li><strong>\u5c07\u63a7\u5236\u6d41\u7a0b\u8207\u8cc7\u6599\u6d41\u7a0b\u6df7\u6dc6\uff1a<\/strong> DFD \u8ffd\u8e64\u8cc7\u6599\uff0c\u800c\u975e\u6307\u4ee4\u3002\u4e0d\u8981\u70ba\u300c\u555f\u52d5\u6d41\u7a0b\u300d\u6216\u300c\u505c\u6b62\u6d41\u7a0b\u300d\u7e6a\u88fd\u7bad\u982d\u3002\u9019\u4e9b\u662f\u63a7\u5236\u4fe1\u865f\uff0c\u800c\u975e\u8cc7\u6599\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u904e\u5ea6\u64c1\u64e0\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u5716\u8868\u5305\u542b\u8d85\u904e 7 \u5230 9 \u500b\u6d41\u7a0b\uff0c\u5f88\u53ef\u80fd\u904e\u65bc\u8907\u96dc\u3002\u61c9\u5c07\u5176\u5206\u89e3\u70ba\u591a\u500b\u5c64\u7d1a\u3002<\/li>\n<\/ul>\n<h2>DFD \u8207\u6d41\u7a0b\u5716\uff1a\u5169\u8005\u6709\u4f55\u5dee\u7570\uff1f \ud83c\udd9a<\/h2>\n<p>\u9019\u5169\u7a2e\u5716\u8868\u7d93\u5e38\u88ab\u6df7\u6dc6\uff0c\u4f46\u5b83\u5011\u7684\u529f\u80fd\u4e0d\u540c\u3002<\/p>\n<ul>\n<li><strong>\u6d41\u7a0b\u5716\uff1a<\/strong> \u95dc\u6ce8\u6b65\u9a5f\u7684\u908f\u8f2f\u8207\u9806\u5e8f\u3002\u5305\u542b\u6c7a\u7b56\uff08\u662f\/\u5426\u5206\u652f\uff09\u8207\u8ff4\u5708\u3002\u56de\u7b54\u300c\u6d41\u7a0b\u662f\u5982\u4f55\u904b\u4f5c\u7684\uff1f\u300d<\/li>\n<li><strong>DFD\uff1a<\/strong> \u95dc\u6ce8\u8cc7\u6599\u7684\u79fb\u52d5\u3002\u4e0d\u6703\u660e\u78ba\u986f\u793a\u6c7a\u7b56\u908f\u8f2f\u6216\u8ff4\u5708\u3002\u56de\u7b54\u300c\u54ea\u4e9b\u8cc7\u6599\u79fb\u52d5\u5230\u54ea\u88e1\uff1f\u300d<\/li>\n<\/ul>\n<p>\u82e5\u9700\u5c55\u793a\u6f14\u7b97\u6cd5\uff0c\u8acb\u4f7f\u7528\u6d41\u7a0b\u5716\u3002\u82e5\u9700\u5c55\u793a\u8cc7\u8a0a\u7684\u67b6\u69cb\uff0c\u8acb\u4f7f\u7528 DFD\u3002<\/p>\n<h2>\u547d\u540d\u8207\u6a19\u7c64\u7684\u6700\u4f73\u5be6\u52d9 \ud83c\udff7\ufe0f<\/h2>\n<p>\u6e05\u6670\u7684\u547d\u540d\u662f\u5716\u8868\u53ef\u8b80\u6027\u7684\u6838\u5fc3\u3002\u6a21\u7cca\u4e0d\u6e05\u7684\u547d\u540d\u6703\u5c0e\u81f4\u958b\u767c\u8207\u5be6\u4f5c\u904e\u7a0b\u4e2d\u7684\u932f\u8aa4\u3002<\/p>\n<h3>\u6d41\u7a0b\u547d\u540d<\/h3>\n<p>\u4e00\u5f8b\u4f7f\u7528\u52d5\u8a5e-\u540d\u8a5e\u7d50\u69cb\u3002\u9019\u80fd\u8b93\u52d5\u4f5c\u66f4\u660e\u78ba\u3002<\/p>\n<ul>\n<li><strong>\u826f\u597d\uff1a<\/strong> \u9a57\u8b49\u767b\u5165\u3001\u8a08\u7b97\u7a05\u984d\u3001\u66f4\u65b0\u5eab\u5b58\u3002<\/li>\n<li><strong>\u4e0d\u826f\uff1a<\/strong> \u767b\u5165\u3001\u7a05\u984d\u3001\u5eab\u5b58\u3002<\/li>\n<\/ul>\n<h3>\u8cc7\u6599\u6d41\u7a0b\u547d\u540d<\/h3>\n<p>\u4f7f\u7528\u63cf\u8ff0\u6d41\u7a0b\u5177\u9ad4\u5167\u5bb9\u7684\u540d\u8a5e\u3002<\/p>\n<ul>\n<li><strong>\u826f\u597d\uff1a<\/strong> \u767b\u5165\u6191\u8b49\u3001\u7a05\u984d\u8a08\u7b97\u3001\u5eab\u5b58\u6578\u91cf\u3002<\/li>\n<li><strong>\u4e0d\u826f\uff1a<\/strong> \u8cc7\u8a0a\u3001\u8cc7\u6599\u3001\u6771\u897f\u3002<\/li>\n<\/ul>\n<h3>\u8cc7\u6599\u5132\u5b58\u547d\u540d<\/h3>\n<p>\u6839\u64da\u8cc7\u6599\u5132\u5b58\u6240\u5305\u542b\u7684\u5167\u5bb9\u4f86\u547d\u540d\uff0c\u800c\u975e\u6839\u64da\u5be6\u969b\u7684\u6a94\u6848\u540d\u7a31\u3002<\/p>\n<ul>\n<li><strong>\u826f\u597d\uff1a<\/strong> \u4f7f\u7528\u8005\u5e33\u6236\u3001\u8a02\u55ae\u6b77\u53f2\u3001\u7522\u54c1\u76ee\u9304\u3002<\/li>\n<li><strong>\u4e0d\u826f\uff1a<\/strong> Table1, DB_Backup, File_A\u3002<\/li>\n<\/ul>\n<h2>\u73fe\u5be6\u4e16\u754c\u61c9\u7528\u5834\u666f \ud83d\udcbc<\/h2>\n<p>DFD \u5177\u6709\u901a\u7528\u6027\uff0c\u9069\u7528\u65bc\u8a31\u591a\u4e0d\u540c\u7684\u9818\u57df\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b83\u5011\u88ab\u4f7f\u7528\u7684\u4f8b\u5b50\u3002<\/p>\n<h3>1. 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