{"id":941,"date":"2026-03-22T06:29:41","date_gmt":"2026-03-22T06:29:41","guid":{"rendered":"https:\/\/www.visualize-ai.com\/tw\/data-flow-diagram-symbols-beginners-guide\/"},"modified":"2026-03-22T06:29:41","modified_gmt":"2026-03-22T06:29:41","slug":"data-flow-diagram-symbols-beginners-guide","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/tw\/data-flow-diagram-symbols-beginners-guide\/","title":{"rendered":"\u521d\u5b78\u8005\u7528\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\u7b26\u865f"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Infographic in stamp and washi tape craft style explaining the four core Data Flow Diagram symbols for beginners: External Entity rectangle for data sources, Process circle for data transformation, Data Store open rectangle for data at rest, and Data Flow arrow for data movement, plus hierarchical DFD levels for system analysis and documentation\" decoding=\"async\" src=\"https:\/\/www.visualize-ai.com\/wp-content\/uploads\/2026\/03\/data-flow-diagram-symbols-beginners-infographic-stamp-washi-tape.jpg\"\/><\/figure>\n<\/div>\n<p>\u7406\u89e3\u8cc7\u8a0a\u5982\u4f55\u5728\u7cfb\u7d71\u4e2d\u6d41\u52d5\uff0c\u662f\u7cfb\u7d71\u5206\u6790\u8207\u8a2d\u8a08\u7684\u57fa\u790e\u3002\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFD\uff09\u63d0\u4f9b\u4e86\u9019\u7a2e\u6d41\u52d5\u7684\u8996\u89ba\u5316\u8868\u793a\u3002\u8207\u5c08\u6ce8\u65bc\u7a0b\u5f0f\u78bc\u6216\u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u6280\u8853\u85cd\u5716\u4e0d\u540c\uff0cDFD\u5c08\u6ce8\u65bc\u8cc7\u6599\u7684\u6d41\u52d5\u4ee5\u53ca\u8f49\u63db\u8cc7\u6599\u7684\u8655\u7406\u7a0b\u5e8f\u3002\u672c\u6307\u5357\u8a73\u7d30\u8aaa\u660e\u69cb\u5efa\u9019\u4e9b\u5716\u8868\u6240\u4f7f\u7528\u7684\u95dc\u9375\u7b26\u865f\uff0c\u78ba\u4fdd\u60a8\u7684\u6587\u4ef6\u6e05\u6670\u4e14\u7cbe\u78ba\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u8cc7\u6599\u6d41\u7a0b\u5716\uff1f \ud83e\udd14<\/h2>\n<p>\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u4e00\u7a2e\u7d50\u69cb\u5316\u5206\u6790\u5de5\u5177\u3002\u5b83\u63cf\u7e6a\u8cc7\u8a0a\u8655\u7406\u6d3b\u52d5\u7684\u9806\u5e8f\u3002\u5b83\u4e0d\u6703\u4ee5\u7a0b\u5f0f\u78bc\u908f\u8f2f\u4f86\u63cf\u8ff0\u7cfb\u7d71\u3002\u76f8\u53cd\uff0c\u5b83\u8aaa\u660e\u4e86\u8cc7\u6599\u7684\u79fb\u52d5\u65b9\u5f0f\u3001\u4f86\u6e90\u3001\u53bb\u5411\u4ee5\u53ca\u8b8a\u5316\u65b9\u5f0f\u3002\u9019\u7a2e\u62bd\u8c61\u4f7f\u5229\u5bb3\u95dc\u4fc2\u4eba\u80fd\u5920\u7406\u89e3\u529f\u80fd\u9700\u6c42\uff0c\u800c\u4e0d\u5fc5\u9677\u5165\u6280\u8853\u5be6\u73fe\u7d30\u7bc0\u3002<\/p>\n<p>DFD\u5177\u6709\u5c64\u7d1a\u7d50\u69cb\u3002\u5b83\u5f9e\u9ad8\u968e\u6982\u89bd\u958b\u59cb\uff0c\u9010\u6b65\u5206\u89e3\u70ba\u66f4\u8a73\u7d30\u7684\u8996\u5716\u3002\u9019\u7a2e\u5206\u89e3\u6709\u52a9\u65bc\u7ba1\u7406\u8907\u96dc\u6027\u3002\u900f\u904e\u5b9a\u7fa9\u908a\u754c\u8207\u4e92\u52d5\uff0c\u5206\u6790\u4eba\u54e1\u53ef\u5728\u958b\u767c\u958b\u59cb\u524d\u8b58\u5225\u9700\u6c42\u7f3a\u53e3\u6216\u6f5b\u5728\u74f6\u9838\u3002<\/p>\n<h2>\u56db\u500b\u6838\u5fc3\u7b26\u865f \ud83d\udee0\ufe0f<\/h2>\n<p>\u6a19\u6e96\u7684DFD\u7b26\u865f\u4f9d\u8cf4\u65bc\u56db\u7a2e\u4e3b\u8981\u5f62\u72c0\u3002\u96d6\u7136\u4e0d\u540c\u65b9\u6cd5\u8ad6\uff08\u4f8b\u5982Yourdon\/DeMarco\u6216Gane\/Sarson\uff09\u4e4b\u9593\u5b58\u5728\u5dee\u7570\uff0c\u4f46\u6838\u5fc3\u6982\u5ff5\u4fdd\u6301\u4e00\u81f4\u3002\u6bcf\u500b\u7b26\u865f\u4ee3\u8868\u7cfb\u7d71\u908a\u754c\u5167\u7684\u7279\u5b9a\u529f\u80fd\u3002<\/p>\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\"\/>\n<col style=\"min-width: 25px;\"\/>\n<col style=\"min-width: 25px;\"\/><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\u7b26\u865f\u540d\u7a31<\/th>\n<th colspan=\"1\" rowspan=\"1\">\u8996\u89ba\u5448\u73fe<\/th>\n<th colspan=\"1\" rowspan=\"1\">\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u5916\u90e8\u5be6\u9ad4<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u77e9\u5f62<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u8cc7\u6599\u7684\u4f86\u6e90\u6216\u76ee\u7684\u5730<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u8655\u7406\u7a0b\u5e8f<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u5713\u5f62\u6216\u5713\u89d2\u77e9\u5f62<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u8cc7\u6599\u7684\u8f49\u63db<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u8cc7\u6599\u5132\u5b58<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u958b\u653e\u77e9\u5f62<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u975c\u614b\u8cc7\u6599\u7684\u5132\u5b58<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\u8cc7\u6599\u6d41<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u7bad\u982d<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u8cc7\u6599\u7684\u79fb\u52d5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>1. \u5916\u90e8\u5be6\u9ad4 \ud83d\udce6<\/h3>\n<p>\u5916\u90e8\u5be6\u9ad4\u4ee3\u8868\u4f4d\u65bc\u6240\u5efa\u6a21\u7cfb\u7d71\u5916\u90e8\u7684\u8cc7\u6599\u4f86\u6e90\u6216\u76ee\u7684\u5730\u3002\u5b83\u5011\u662f\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u53c3\u8207\u8005\uff0c\u4f46\u4e26\u975e\u7cfb\u7d71\u5167\u90e8\u908f\u8f2f\u7684\u4e00\u90e8\u5206\u3002\u5be6\u9ad4\u53ef\u4ee5\u662f\u500b\u4eba\u3001\u5718\u9ad4\u3001\u53e6\u4e00\u500b\u96fb\u8166\u7cfb\u7d71\u6216\u90e8\u9580\u3002<\/p>\n<p>\u5be6\u9ad4\u901a\u5e38\u4ee5\u77e9\u5f62\u7e6a\u88fd\u3002\u5728\u67d0\u4e9b\u7b26\u865f\u7cfb\u7d71\u4e2d\uff0c\u4e5f\u53ef\u80fd\u4ee5\u6a62\u5713\u5f62\u5448\u73fe\u3002\u5176\u95dc\u9375\u7279\u5fb5\u662f\u7cfb\u7d71\u6703\u5411\u5176\u50b3\u9001\u8cc7\u6599\u6216\u5f9e\u5176\u63a5\u6536\u8cc7\u6599\u3002\u4f8b\u5982\uff0c\u9867\u5ba2\u5c31\u662f\u4e00\u500b\u5be6\u9ad4\u3002\u7cfb\u7d71\u8655\u7406\u5176\u8a02\u55ae\uff0c\u4f46\u9867\u5ba2\u7684\u5b58\u5728\u7368\u7acb\u65bc\u8a02\u55ae\u8655\u7406\u8edf\u9ad4\u3002<\/p>\n<ul>\n<li><strong>\u8f38\u5165\uff1a<\/strong> \u8cc7\u6599\u5f9e\u5be6\u9ad4\u9032\u5165\u7cfb\u7d71\u3002<\/li>\n<li><strong> \u8f38\u51fa\uff1a<\/strong> \u8cc7\u6599\u96e2\u958b\u7cfb\u7d71\u4e26\u50b3\u9001\u5230\u5be6\u9ad4\u3002<\/li>\n<\/ul>\n<p>\u91cd\u8981\u7684\u662f\u4e0d\u8981\u5c07\u5916\u90e8\u5be6\u9ad4\u8207\u8655\u7406\u7a0b\u5e8f\u6df7\u6dc6\u3002\u5be6\u9ad4\u4e0d\u6703\u8f49\u63db\u8cc7\u6599\uff1b\u5b83\u50c5\u50c5\u7522\u751f\u6216\u6d88\u8017\u8cc7\u6599\u3002<\/p>\n<h3>2. \u8655\u7406\u7a0b\u5e8f \ud83d\udd04<\/h3>\n<p>\u8655\u7406\u7a0b\u5e8f\u662f\u5716\u8868\u4e2d\u7684\u4e3b\u52d5\u5143\u7d20\u3002\u5b83\u5011\u4ee3\u8868\u5c07\u8f38\u5165\u8cc7\u6599\u8f49\u63db\u70ba\u8f38\u51fa\u8cc7\u6599\u7684\u529f\u80fd\u3002\u8655\u7406\u7a0b\u5e8f\u5373\u662f\u6b63\u5728\u57f7\u884c\u7684\u5de5\u4f5c\u3002\u5b83\u53ef\u4ee5\u662f\u8a08\u7b97\u3001\u9a57\u8b49\u6aa2\u67e5\u3001\u6c7a\u7b56\uff0c\u6216\u8cc7\u6599\u64cd\u4f5c\u7a0b\u5e8f\u3002<\/p>\n<p>\u8655\u7406\u7a0b\u5e8f\u901a\u5e38\u4ee5\u5713\u5f62\u6216\u5713\u89d2\u77e9\u5f62\u7e6a\u88fd\u3002\u5728\u5f62\u72c0\u5167\u90e8\uff0c\u653e\u7f6e\u63cf\u8ff0\u52d5\u4f5c\u7684\u540d\u7a31\uff0c\u4f8b\u5982\u300c\u8a08\u7b97\u7e3d\u984d\u300d\u6216\u300c\u9a57\u8b49\u767b\u5165\u300d\u3002\u6bcf\u500b\u8655\u7406\u7a0b\u5e8f\u5fc5\u9808\u81f3\u5c11\u6709\u4e00\u500b\u8f38\u5165\u548c\u4e00\u500b\u8f38\u51fa\u3002\u82e5\u53ea\u6709\u8cc7\u6599\u6d41\u5165\u800c\u7121\u8cc7\u6599\u6d41\u51fa\uff0c\u5247\u8a72\u8655\u7406\u7a0b\u5e8f\u662f\u4e0d\u5b8c\u6574\u7684\u3002<\/p>\n<p>\u8655\u7406\u7a0b\u5e8f\u6703\u7de8\u865f\u4ee5\u8868\u793a\u5c64\u7d1a\u95dc\u4fc2\u3002\u4f8b\u5982\uff0c\u300c\u8655\u7406\u7a0b\u5e8f 1\u300d\u53ef\u80fd\u88ab\u5206\u89e3\u70ba\u300c\u8655\u7406\u7a0b\u5e8f 1.1\u300d\u3001\u300c\u8655\u7406\u7a0b\u5e8f 1.2\u300d\u7b49\u3002\u6b64\u7de8\u865f\u65b9\u5f0f\u6709\u52a9\u65bc\u5728\u4e0d\u540c\u5716\u8868\u4e4b\u9593\u8ffd\u8e64\u7d30\u7bc0\u5c64\u7d1a\u3002<\/p>\n<h3>3. \u6578\u64da\u5b58\u5132 \ud83d\udcc1<\/h3>\n<p>\u6578\u64da\u5b58\u5132\u4ee3\u8868\u6578\u64da\u88ab\u4fdd\u5b58\u4ee5\u4f9b\u672a\u4f86\u4f7f\u7528\u7684\u5834\u6240\u3002\u5b83\u5011\u662f\u8cc7\u6599\u5eab\u3002\u5728\u7269\u7406\u7cfb\u7d71\u4e2d\uff0c\u9019\u53ef\u80fd\u662f\u4e00\u500b\u8cc7\u6599\u5eab\u8868\u683c\u3001\u4e00\u500b\u6a94\u6848\uff0c\u6216\u4e00\u500b\u5be6\u9ad4\u6587\u4ef6\u6ac3\u3002\u5728\u908f\u8f2f\u5716\u4e2d\uff0c\u5b83\u50c5\u50c5\u662f\u6578\u64da\u5b58\u653e\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u5e38\u898b\u7684\u5f62\u72c0\u5305\u62ec\u958b\u53e3\u7684\u77e9\u5f62\u6216\u5e73\u884c\u7dda\u3002\u5b58\u5132\u5167\u90e8\u7684\u540d\u7a31\u61c9\u70ba\u8907\u6578\u5f62\u5f0f\uff0c\u8868\u793a\u4e00\u7d44\u8a18\u9304\uff0c\u4f8b\u5982\u300c\u5ba2\u6236\u6a94\u6848\u300d\u6216\u300c\u8a02\u55ae\u65e5\u8a8c\u300d\u3002<\/p>\n<ul>\n<li><strong>\u8b80\u53d6\uff1a<\/strong> \u4e00\u500b\u6d41\u7a0b\u5f9e\u5b58\u5132\u4e2d\u8b80\u53d6\u6578\u64da\u4ee5\u4f7f\u7528\u5b83\u3002<\/li>\n<li><strong>\u5beb\u5165\uff1a<\/strong> \u4e00\u500b\u6d41\u7a0b\u5c07\u6578\u64da\u5beb\u5165\u5b58\u5132\u4ee5\u4fdd\u5b58\u5b83\u3002<\/li>\n<\/ul>\n<p>\u6578\u64da\u6d41\u6703\u6d41\u5165\u548c\u6d41\u51fa\u5b58\u5132\u3002\u5fc5\u9808\u6ce8\u610f\u7684\u662f\uff0c\u6578\u64da\u6d41\u5728\u672a\u7d93\u904e\u6d41\u7a0b\u7684\u60c5\u6cc1\u4e0b\u4e0d\u80fd\u76f4\u63a5\u4ea4\u53c9\u3002\u4f60\u4e0d\u80fd\u5728\u5169\u500b\u6578\u64da\u5b58\u5132\u4e4b\u9593\u756b\u4e00\u689d\u76f4\u63a5\u7684\u7dda\uff1b\u5fc5\u9808\u6709\u4e00\u500b\u6d41\u7a0b\u4f4d\u65bc\u4e2d\u9593\uff0c\u4ee5\u8aaa\u660e\u6578\u64da\u70ba\u4f55\u79fb\u52d5\u3002<\/p>\n<h3>4. \u6578\u64da\u6d41 \u27a1\ufe0f<\/h3>\n<p>\u6578\u64da\u6d41\u662f\u9023\u63a5\u7b26\u865f\u7684\u7bad\u982d\u3002\u5b83\u5011\u4ee3\u8868\u6578\u64da\u5728\u7cfb\u7d71\u4e2d\u7684\u79fb\u52d5\u3002\u8207\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\u7684\u63a7\u5236\u6d41\u4e0d\u540c\uff0c\u6578\u64da\u6d41\u4ee3\u8868\u5be6\u969b\u7684\u8cc7\u8a0a\u5c01\u5305\u3002<\/p>\n<p>\u6bcf\u500b\u7bad\u982d\u90fd\u61c9\u6a19\u8a3b\u901a\u904e\u5b83\u7684\u6578\u64da\u540d\u7a31\u3002\u4f8b\u5982\uff0c\u5f9e\u5ba2\u6236\u5230\u6d41\u7a0b\u7684\u7bad\u982d\u53ef\u80fd\u6a19\u8a3b\u70ba\u300c\u8a02\u8cfc\u8acb\u6c42\u300d\u3002\u5f9e\u6d41\u7a0b\u5230\u6578\u64da\u5b58\u5132\u7684\u7bad\u982d\u53ef\u80fd\u6a19\u8a3b\u70ba\u300c\u65b0\u8a02\u55ae\u8a18\u9304\u300d\u3002<\/p>\n<p>\u7bad\u982d\u5fc5\u9808\u5177\u6709\u55ae\u4e00\u65b9\u5411\u3002\u5982\u679c\u5169\u500b\u9ede\u4e4b\u9593\u7684\u6578\u64da\u96d9\u5411\u6d41\u52d5\uff0c\u61c9\u4f7f\u7528\u5169\u500b\u7368\u7acb\u7684\u7bad\u982d\u3002\u6a19\u7c64\u5fc5\u9808\u4e00\u81f4\u4f7f\u7528\u55ae\u6578\u6216\u8907\u6578\u3002\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u7684\u6a19\u7c64\uff0c\u5982\u300c\u6578\u64da\u300d\u6216\u300c\u8cc7\u8a0a\u300d\u3002\u61c9\u5177\u9ad4\u660e\u78ba\uff0c\u4f8b\u5982\u300c\u904b\u9001\u5730\u5740\u300d\u6216\u300c\u5eab\u5b58\u5831\u8868\u300d\u3002<\/p>\n<h2>\u7406\u89e3DFD\u5c64\u7d1a 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