{"id":560,"date":"2026-03-21T16:47:45","date_gmt":"2026-03-21T16:47:45","guid":{"rendered":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/"},"modified":"2026-03-21T16:47:45","modified_gmt":"2026-03-21T16:47:45","slug":"documenting-legacy-systems-study-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/","title":{"rendered":"DFD\u6307\u5357\uff1a\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf"},"content":{"rendered":"
\n
\"Child-style<\/figure>\n<\/div>\n

\u9057\u7559\u7cfb\u7edf\u901a\u5e38\u4ee3\u8868\u5173\u952e\u4e1a\u52a1\u8fd0\u8425\u7684\u652f\u67f1\u3002\u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u4eba\u5458\u66f4\u66ff\u548c\u9700\u6c42\u6f14\u53d8\uff0c\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\u5d4c\u5165\u7684\u539f\u59cb\u903b\u8f91\u53ef\u80fd\u53d8\u5f97\u6a21\u7cca\u4e0d\u6e05\u3002\u7406\u89e3\u6570\u636e\u5728\u8fd9\u4e9b\u73af\u5883\u4e2d\u7684\u6d41\u52a8\u5bf9\u4e8e\u7ef4\u62a4\u3001\u8fc1\u79fb\u548c\u5408\u89c4\u81f3\u5173\u91cd\u8981\u3002\u672c\u6307\u5357\u4e13\u6ce8\u4e8e\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u7684\u4e25\u8c28\u8fc7\u7a0b\uff0c\u7279\u522b\u5229\u7528\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\u4f5c\u4e3a\u53ef\u89c6\u5316\u548c\u5206\u6790\u7684\u4e3b\u8981\u5de5\u5177\u3002\ud83d\udee0\ufe0f<\/p>\n

\u5728\u8fdb\u884c\u6587\u6863\u7f16\u5236\u65f6\uff0c\u76ee\u6807\u662f\u6e05\u6670\u548c\u51c6\u786e\u3002\u6211\u4eec\u5fc5\u987b\u8bb0\u5f55\u7cfb\u7edf\u5f53\u524d\u5b9e\u9645\u8fd0\u884c\u7684\u60c5\u51b5\uff0c\u800c\u4e0d\u662f\u5341\u5e74\u524d\u7684\u8bbe\u8ba1\u3002\u8fd9\u4e00\u8fc7\u7a0b\u9700\u8981\u4e00\u79cd\u6709\u6761\u4e0d\u7d0a\u7684\u65b9\u6cd5\uff0c\u5728\u5c0a\u91cd\u5e95\u5c42\u67b6\u6784\u590d\u6742\u6027\u7684\u540c\u65f6\uff0c\u4f7f\u5176\u5bf9\u5f53\u524d\u5229\u76ca\u76f8\u5173\u8005\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n

\ud83d\udd0d \u7406\u89e3\u9057\u7559\u7cfb\u7edf\u6587\u6863\u7684\u8303\u56f4<\/h2>\n

\u5728\u7ed8\u5236\u4efb\u4f55\u7ebf\u6761\u4e4b\u524d\uff0c\u5fc5\u987b\u660e\u786e\u754c\u5b9a\u7cfb\u7edf\u8fb9\u754c\u7684\u8303\u56f4\u3002\u9057\u7559\u7cfb\u7edf\u901a\u5e38\u8de8\u8d8a\u591a\u4e2a\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u548c\u63a5\u53e3\u3002\u8bc6\u522b\u7cfb\u7edf\u7684\u8fb9\u754c\u662f\u521b\u5efa\u51c6\u786e\u5730\u56fe\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n

\u5b9a\u4e49\u7cfb\u7edf\u8fb9\u754c<\/h3>\n

\u8fb9\u754c\u5c06\u5185\u90e8\u6d41\u7a0b\u4e0e\u5916\u90e8\u5b9e\u4f53\u5206\u9694\u5f00\u6765\u3002\u5916\u90e8\u5b9e\u4f53\u53ef\u4ee5\u662f\u7528\u6237\u3001\u5176\u4ed6\u7cfb\u7edf\u6216\u76d1\u7ba1\u673a\u6784\u3002\u8fb9\u754c\u5185\u90e8\u662f\u8f6c\u6362\u6570\u636e\u7684\u6d41\u7a0b\u3002\u5b9a\u4e49\u8fd9\u4e00\u8fb9\u754c\u53ef\u4ee5\u9632\u6b62\u6587\u6863\u7f16\u5236\u9636\u6bb5\u51fa\u73b0\u8303\u56f4\u8513\u5ef6\u3002\u5b83\u786e\u4fdd\u56fe\u8868\u59cb\u7ec8\u805a\u7126\u4e8e\u6b63\u5728\u5ba1\u67e5\u7684\u7279\u5b9a\u9057\u7559\u73af\u5883\u3002<\/p>\n

\u8bbe\u5b9a\u8fb9\u754c\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u7ec4\u4ef6\uff1a<\/p>\n

    \n
  • \u5916\u90e8\u53c2\u4e0e\u8005\uff1a<\/strong>\u4e0e\u7cfb\u7edf\u4ea4\u4e92\u7684\u4eba\u7c7b\u7528\u6237\u3001\u81ea\u52a8\u5316\u811a\u672c\u6216\u7b2c\u4e09\u65b9API\u3002<\/li>\n
  • \u6570\u636e\u5b58\u50a8\uff1a<\/strong>\u4fe1\u606f\u6301\u4e45\u5b58\u5728\u7684\u6570\u636e\u5e93\u3001\u5e73\u9762\u6587\u4ef6\u6216\u5b58\u50a8\u5e93\u3002<\/li>\n
  • \u6d41\u7a0b\uff1a<\/strong>\u4efb\u4f55\u6539\u53d8\u6570\u636e\u72b6\u6001\u6216\u5728\u5b58\u50a8\u4e4b\u95f4\u79fb\u52a8\u6570\u636e\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n

    \ud83d\udcdd \u6570\u636e\u6d41\u56fe\u5728\u7814\u7a76\u4e2d\u7684\u4f5c\u7528<\/h2>\n

    \u6570\u636e\u6d41\u56fe\u63d0\u4f9b\u4e86\u4fe1\u606f\u5728\u7cfb\u7edf\u4e2d\u6d41\u52a8\u7684\u53ef\u89c6\u5316\u8868\u793a\u3002\u4e0e\u4fa7\u91cd\u4e8e\u63a7\u5236\u903b\u8f91\u548c\u51b3\u7b56\u70b9\u7684\u6d41\u7a0b\u56fe\u4e0d\u540c\uff0cDFD\u5f3a\u8c03\u6570\u636e\u7684\u8f6c\u6362\u3002\u8fd9\u4e00\u533a\u522b\u5bf9\u4e8e\u9057\u7559\u7cfb\u7edf\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u4e1a\u52a1\u903b\u8f91\u901a\u5e38\u9690\u85cf\u5728\u4ee3\u7801\u4e2d\uff0c\u800c\u975e\u663e\u5f0f\u7684\u6d41\u7a0b\u6b65\u9aa4\u3002<\/p>\n

    DFD\u5728\u7814\u7a76\u65e7\u7cfb\u7edf\u65f6\u5177\u6709\u591a\u9879\u4f18\u52bf\uff1a<\/p>\n

      \n
    • \u62bd\u8c61\uff1a<\/strong> \u5b83\u4eec\u9690\u85cf\u4e86\u7f16\u7a0b\u8bed\u8a00\u6216\u6570\u636e\u5e93\u6a21\u5f0f\u7b49\u5b9e\u73b0\u7ec6\u8282\uff0c\u5173\u6ce8\u7684\u662f\u201c\u505a\u4ec0\u4e48\u201d\u800c\u975e\u201c\u600e\u4e48\u505a\u201d\u3002<\/li>\n
    • \u6e05\u6670\u6027\uff1a<\/strong> \u53ef\u89c6\u5316\u6570\u636e\u8def\u5f84\u6709\u52a9\u4e8e\u8bc6\u522b\u74f6\u9888\u548c\u5355\u70b9\u6545\u969c\u3002<\/li>\n
    • \u6c9f\u901a\uff1a<\/strong> \u5b83\u4eec\u5728\u6280\u672f\u4eba\u5458\u548c\u4e1a\u52a1\u5206\u6790\u5e08\u4e4b\u95f4\u5145\u5f53\u4e00\u79cd\u4e2d\u7acb\u8bed\u8a00\u3002<\/li>\n<\/ul>\n

      \ud83c\udfd7\ufe0f \u6570\u636e\u6d41\u56fe\u7684\u5c42\u7ea7<\/h2>\n

      \u4e3a\u4e86\u6709\u6548\u8bb0\u5f55\u590d\u6742\u7684\u9057\u7559\u7cfb\u7edf\uff0c\u4e0d\u5e94\u8bd5\u56fe\u4e00\u6b21\u6027\u7ed8\u5236\u6240\u6709\u5185\u5bb9\u3002\u5c06\u6587\u6863\u5206\u89e3\u4e3a\u591a\u4e2a\u5c42\u7ea7\uff0c\u53ef\u4ee5\u91c7\u7528\u81ea\u4e0a\u800c\u4e0b\u7684\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u907f\u514d\u8ba9\u8bfb\u8005\u611f\u5230\u4fe1\u606f\u8fc7\u8f7d\uff0c\u5e76\u786e\u4fdd\u5404\u5c42\u7ea7\u4e4b\u95f4\u7684\u903b\u8f91\u4e00\u81f4\u6027\u3002<\/p>\n

      1. \u4e0a\u4e0b\u6587\u56fe\uff08\u7b2c0\u5c42\uff09<\/h3>\n

      \u4e0a\u4e0b\u6587\u56fe\u5c06\u7cfb\u7edf\u8868\u793a\u4e3a\u4e00\u4e2a\u5355\u4e00\u6d41\u7a0b\u3002\u5b83\u5c55\u793a\u4e86\u7cfb\u7edf\u4e0e\u5916\u90e8\u5b9e\u4f53\u7684\u5173\u7cfb\u3002\u8fd9\u79cd\u9ad8\u5c42\u6b21\u89c6\u56fe\u5bf9\u9700\u8981\u7406\u89e3\u7cfb\u7edf\u8f93\u5165\u548c\u8f93\u51fa\u4f46\u53c8\u4e0d\u60f3\u9677\u5165\u5185\u90e8\u7ec6\u8282\u7684\u5229\u76ca\u76f8\u5173\u8005\u975e\u5e38\u6709\u7528\u3002<\/p>\n

      \u4e0a\u4e0b\u6587\u56fe\u4e2d\u7684\u5173\u952e\u5143\u7d20\u5305\u62ec\uff1a<\/p>\n

        \n
      • \u4e00\u4e2a\u4ee3\u8868\u6574\u4e2a\u7cfb\u7edf\u7684\u4e2d\u5fc3\u6d41\u7a0b\u3002<\/li>\n
      • \u56f4\u7ed5\u8be5\u6d41\u7a0b\u7684\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n
      • \u4e3b\u8981\u6570\u636e\u6d41\u8fdb\u5165\u548c\u79bb\u5f00\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n

        2. \u7b2c1\u5c42\u56fe<\/h3>\n

        \u7b2c1\u5c42\u56fe\u5c06\u4e0a\u4e0b\u6587\u56fe\u4e2d\u7684\u5355\u4e00\u6d41\u7a0b\u5206\u89e3\u4e3a\u5176\u4e3b\u8981\u5b50\u6d41\u7a0b\u3002\u8fd9\u4e00\u5c42\u7ea7\u63ed\u793a\u4e86\u7cfb\u7edf\u7684\u91cd\u5927\u529f\u80fd\u533a\u57df\u3002\u5b83\u5c55\u793a\u4e86\u6570\u636e\u5728\u8fd9\u4e9b\u4e3b\u8981\u533a\u57df\u4e4b\u95f4\u7684\u6d41\u52a8\u65b9\u5f0f\u4ee5\u53ca\u6570\u636e\u7684\u5b58\u50a8\u4f4d\u7f6e\u3002<\/p>\n

        \u5728\u521b\u5efa\u6b64\u5c42\u7ea7\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u6d41\u4e0e\u4e0a\u4e0b\u6587\u56fe\u4fdd\u6301\u5e73\u8861\u3002\u4e0a\u4e0b\u6587\u56fe\u4e2d\u663e\u793a\u7684\u6bcf\u4e2a\u8f93\u5165\u548c\u8f93\u51fa\u90fd\u5fc5\u987b\u5728\u7b2c1\u5c42\u56fe\u4e2d\u51fa\u73b0\u3002<\/p>\n

        3. \u7b2c2\u5c42\u56fe\uff08\u53ca\u66f4\u6df1\u5c42\u7ea7\uff09<\/h3>\n

        \u5bf9\u4e8e\u4e00\u7ea7\u56fe\u4e2d\u7684\u590d\u6742\u6d41\u7a0b\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u5206\u89e3\u3002\u4e8c\u7ea7\u56fe\u5c06\u7279\u5b9a\u7684\u5b50\u6d41\u7a0b\u5206\u89e3\u4e3a\u5176\u6784\u6210\u6b65\u9aa4\u3002\u8fd9\u4e00\u5c42\u7ea7\u901a\u5e38\u662f\u8fdb\u884c\u6700\u8be6\u7ec6\u7814\u7a76\u7684\u5730\u65b9\uff0c\u5c24\u5176\u662f\u5728\u5206\u6790\u7279\u5b9a\u4e1a\u52a1\u89c4\u5219\u6216\u6570\u636e\u8f6c\u6362\u65f6\u3002<\/p>\n

        \u4f7f\u7528\u4e0b\u9762\u7684\u8868\u683c\u6765\u6bd4\u8f83\u6bcf\u4e00\u5c42\u7ea7\u7684\u5173\u6ce8\u91cd\u70b9\uff1a<\/p>\n\n\n\n\n\n\n\n
        \u56fe\u793a\u5c42\u7ea7<\/th>\n\u5173\u6ce8\u70b9<\/th>\n\u4e3b\u8981\u53d7\u4f17<\/th>\n<\/tr>\n<\/thead>\n
        \u4e0a\u4e0b\u6587\u56fe<\/td>\n\u7cfb\u7edf\u8fb9\u754c\u548c\u5916\u90e8\u63a5\u53e3<\/td>\n\u9ad8\u7ba1\u3001\u67b6\u6784\u5e08<\/td>\n<\/tr>\n
        \u4e00\u7ea7<\/td>\n\u4e3b\u8981\u529f\u80fd\u533a\u57df\u548c\u6570\u636e\u5b58\u50a8<\/td>\n\u4e1a\u52a1\u5206\u6790\u5e08\u3001\u4e3b\u5f00\u53d1\u4eba\u5458<\/td>\n<\/tr>\n
        \u4e8c\u7ea7<\/td>\n\u8be6\u7ec6\u7684\u8fc7\u7a0b\u903b\u8f91\u548c\u6570\u636e\u8f6c\u6362<\/td>\n\u5f00\u53d1\u4eba\u5458\u3001\u8d28\u91cf\u4fdd\u8bc1\u5de5\u7a0b\u5e08<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \ud83e\udde9 \u6536\u96c6\u51c6\u786e\u56fe\u8868\u6240\u9700\u7684\u4fe1\u606f<\/h2>\n

        \u7ed8\u5236\u56fe\u8868\u4e0d\u4ec5\u4ec5\u662f\u7ed8\u56fe\u7ec3\u4e60\uff1b\u5b83\u662f\u4e00\u9879\u7814\u7a76\u6d3b\u52a8\u3002\u4f60\u5fc5\u987b\u6536\u96c6\u8bc1\u636e\u6765\u652f\u6301\u89c6\u89c9\u5448\u73b0\u3002\u4f9d\u8d56\u8bb0\u5fc6\u6216\u8fc7\u65f6\u7684\u624b\u518c\u4f1a\u5bfc\u81f4\u6587\u6863\u4e0d\u51c6\u786e\u3002\u4ee5\u4e0b\u65b9\u6cd5\u6709\u52a9\u4e8e\u786e\u4fdd\u6b63\u786e\u6355\u6349\u6570\u636e\u6d41\u3002<\/p>\n

        1. \u53cd\u5411\u5de5\u7a0b\u4ee3\u7801<\/h3>\n

        \u5ba1\u67e5\u6e90\u4ee3\u7801\u662f\u4e86\u89e3\u6570\u636e\u6d41\u52a8\u6700\u53ef\u9760\u7684\u8bc1\u636e\u3002\u67e5\u627e\u6570\u636e\u5e93\u67e5\u8be2\u3001\u6587\u4ef6\u8bfb\u5199\u64cd\u4f5c\u548cAPI\u8c03\u7528\u3002\u8ffd\u8e2a\u88ab\u64cd\u4f5c\u7684\u53d8\u91cf\u548c\u5bf9\u8c61\uff0c\u4ee5\u7ed8\u5236\u51fa\u5b9e\u9645\u7684\u6570\u636e\u8def\u5f84\u3002\u5f53\u4e1a\u52a1\u903b\u8f91\u4e0e\u539f\u59cb\u8bbe\u8ba1\u53d1\u751f\u504f\u79bb\u65f6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n

        2. \u5206\u6790\u6570\u636e\u5e93\u7ed3\u6784<\/h3>\n

        \u6570\u636e\u5e93\u6a21\u5f0f\u901a\u5e38\u80fd\u8bb2\u8ff0\u7cfb\u7edf\u7684\u6545\u4e8b\u3002\u5916\u952e\u8868\u660e\u6570\u636e\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b58\u50a8\u8fc7\u7a0b\u63ed\u793a\u4e86\u7528\u4e8e\u8f6c\u6362\u6570\u636e\u7684\u903b\u8f91\u3002\u901a\u8fc7\u5c06\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u6620\u5c04\u5230\u6d41\u7a0b\u6846\u4e2d\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u6d41\u56fe\u4e0e\u7269\u7406\u5b58\u50a8\u5c42\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n

        3. \u5f00\u5c55\u8bbf\u8c08<\/h3>\n

        \u957f\u671f\u5458\u5de5\u901a\u5e38\u638c\u63e1\u7740\u672a\u4e66\u9762\u8bb0\u5f55\u7684\u9690\u6027\u77e5\u8bc6\u3002\u8bbf\u8c08\u5e94\u805a\u7126\u4e8e\u5177\u4f53\u573a\u666f\uff0c\u800c\u975e\u6cdb\u6cdb\u7684\u7cfb\u7edf\u63cf\u8ff0\u3002\u8bf7\u7528\u6237\u4e00\u6b65\u6b65\u6f14\u793a\u7279\u5b9a\u4ea4\u6613\u8fc7\u7a0b\u3002\u5c06\u4ed6\u4eec\u7684\u63cf\u8ff0\u4e0e\u4ee3\u7801\u4e2d\u53d1\u73b0\u7684\u6280\u672f\u8bc1\u636e\u8fdb\u884c\u5bf9\u6bd4\u3002\u7528\u6237\u671f\u671b\u4e0e\u7cfb\u7edf\u5b9e\u9645\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u5f80\u5f80\u662f\u53d1\u73b0\u6700\u6709\u4ef7\u503c\u89c1\u89e3\u7684\u5730\u65b9\u3002<\/p>\n

        4. \u5ba1\u67e5\u65e5\u5fd7\u548c\u8ffd\u8e2a\u8bb0\u5f55<\/h3>\n

        \u7cfb\u7edf\u65e5\u5fd7\u53ef\u4ee5\u63ed\u793a\u5b9e\u9645\u7684\u64cd\u4f5c\u987a\u5e8f\u3002\u901a\u8fc7\u5206\u6790\u4e8b\u52a1\u65e5\u5fd7\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u54ea\u4e9b\u6d41\u7a0b\u5b9e\u9645\u4e0a\u88ab\u89e6\u53d1\u4ee5\u53ca\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u3002\u8fd9\u5bf9\u4e8e\u5f02\u6b65\u7cfb\u7edf\u5c24\u5176\u6709\u7528\uff0c\u56e0\u4e3a\u6570\u636e\u6d41\u5e76\u975e\u5373\u65f6\u53d1\u751f\u3002<\/p>\n

        \ud83c\udfa8 \u521b\u5efa\u6709\u6548\u56fe\u8868\u7684\u539f\u5219<\/h2>\n

        \u7ed8\u5236\u56fe\u8868\u65f6\uff0c\u9075\u5faa\u6807\u51c6\u7b26\u53f7\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002\u5c3d\u7ba1\u5de5\u5177\u5404\u4e0d\u76f8\u540c\uff0c\u4f46\u57fa\u672c\u539f\u7406\u4fdd\u6301\u4e00\u81f4\u3002\u6e05\u6670\u5ea6\u662f\u6700\u9ad8\u4f18\u5148\u7ea7\u3002<\/p>\n

        \u7b26\u53f7\u7684\u4e00\u81f4\u6027<\/h3>\n

        \u786e\u4fdd\u6bcf\u4e2a\u6d41\u7a0b\u90fd\u7528\u76f8\u540c\u7684\u5f62\u72b6\u548c\u989c\u8272\u8868\u793a\u3002\u5bf9\u6570\u636e\u5b58\u50a8\u548c\u6570\u636e\u6d41\u4f7f\u7528\u4e00\u81f4\u7684\u6807\u7b7e\u3002\u5982\u679c\u4e00\u4e2a\u56fe\u8868\u4e2d\u7684\u6570\u636e\u6d41\u6807\u8bb0\u4e3a\u201c\u5ba2\u6237\u6570\u636e\u201d\uff0c\u5219\u53e6\u4e00\u4e2a\u56fe\u8868\u4e2d\u4e0d\u5e94\u6807\u8bb0\u4e3a\u201c\u5ba2\u6237\u4fe1\u606f\u201d\u3002\u4e00\u81f4\u6027\u53ef\u4ee5\u964d\u4f4e\u4efb\u4f55\u67e5\u9605\u6587\u6863\u8005\u7684\u8ba4\u77e5\u8d1f\u62c5\u3002<\/p>\n

        \u5e73\u8861\u6570\u636e\u6d41<\/h3>\n

        DFD\u7684\u4e00\u4e2a\u57fa\u672c\u89c4\u5219\u662f\u6570\u636e\u5b88\u6052\u3002\u6570\u636e\u4e0d\u80fd\u88ab\u521b\u9020\u6216\u9500\u6bc1\uff0c\u53ea\u80fd\u88ab\u8f6c\u6362\u3002\u5982\u679c\u4e00\u4e2a\u6d41\u7a0b\u6709\u8f93\u5165\u6d41\uff0c\u5c31\u5fc5\u987b\u6709\u76f8\u5e94\u7684\u8f93\u51fa\u6216\u5b58\u50a8\u64cd\u4f5c\u3002\u5982\u679c\u4e00\u4e2a\u6570\u636e\u6d41\u5728\u6ca1\u6709\u89e3\u91ca\u7684\u60c5\u51b5\u4e0b\u6d88\u5931\uff0c\u90a3\u4e48\u8be5\u56fe\u8868\u5f88\u53ef\u80fd\u662f\u9519\u8bef\u7684\u3002<\/p>\n

        \u907f\u514d\u63a7\u5236\u903b\u8f91<\/h3>\n

        DFD \u4e0d\u662f\u6d41\u7a0b\u56fe\u3002\u4e0d\u8981\u5728\u5904\u7406\u6846\u5185\u5305\u542b\u51b3\u7b56\u83f1\u5f62\u6216\u5faa\u73af\u3002\u8fd9\u4e9b\u5143\u7d20\u5e94\u51fa\u73b0\u5728\u7a0b\u5e8f\u6d41\u7a0b\u56fe\u4e2d\u3002\u5728 DFD \u4e2d\uff0c\u51b3\u7b56\u4ec5\u8868\u73b0\u4e3a\u5206\u652f\u7684\u6570\u636e\u6d41\u3002\u5e94\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u6d41\u52a8\u4e0e\u8f6c\u6362\uff0c\u800c\u975e\u63a7\u5236\u8fd9\u4e9b\u6d41\u52a8\u7684\u903b\u8f91\u3002<\/p>\n

        \ud83d\udee1\ufe0f \u9a8c\u8bc1\u4e0e\u7ef4\u62a4<\/h2>\n

        \u6587\u6863\u662f\u4e00\u79cd\u52a8\u6001\u7684\u4ea7\u7269\u3002\u968f\u7740\u7cfb\u7edf\u7684\u53d1\u5c55\uff0c\u56fe\u8868\u5fc5\u987b\u53ca\u65f6\u66f4\u65b0\u3002\u4e00\u4efd\u9759\u6001\u7684\u6587\u6863\u5f88\u5feb\u5c31\u4f1a\u53d8\u6210\u8d1f\u62c5\u3002\u5e94\u5efa\u7acb\u4e00\u4e2a\u4fdd\u6301\u56fe\u8868\u6700\u65b0\u72b6\u6001\u7684\u6d41\u7a0b\u3002<\/p>\n

        \u9a8c\u8bc1\u7b56\u7565<\/h3>\n

        \u5728\u6700\u7ec8\u786e\u5b9a\u6587\u6863\u4e4b\u524d\uff0c\u5e94\u4e0e\u5f00\u53d1\u56e2\u961f\u5171\u540c\u9a8c\u8bc1\u56fe\u8868\u3002\u4ed6\u4eec\u53ef\u4ee5\u53d1\u73b0\u5206\u6790\u9636\u6bb5\u88ab\u5ffd\u7565\u7684\u903b\u8f91\u9519\u8bef\u6216\u7f3a\u5931\u7ec4\u4ef6\u3002\u540c\u884c\u8bc4\u5ba1\u662f\u53d1\u73b0\u4e0d\u51c6\u786e\u4e4b\u5904\u7684\u5f3a\u5927\u5de5\u5177\u3002<\/p>\n

        \u7ef4\u62a4\u534f\u8bae<\/h3>\n

        \u5c06\u56fe\u8868\u66f4\u65b0\u7eb3\u5165\u53d8\u66f4\u7ba1\u7406\u6d41\u7a0b\u3002\u6bcf\u5f53\u53d1\u751f\u91cd\u5927\u4ee3\u7801\u53d8\u66f4\u65f6\uff0c\u90fd\u5e94\u5ba1\u67e5 DFD\u3002\u8fd9\u80fd\u786e\u4fdd\u6587\u6863\u53cd\u6620\u7cfb\u7edf\u7684\u5f53\u524d\u72b6\u6001\u3002\u5bf9\u56fe\u8868\u672c\u8eab\u5b9e\u65bd\u7248\u672c\u63a7\u5236\uff0c\u6709\u52a9\u4e8e\u8ffd\u8e2a\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002<\/p>\n

        \ud83d\udccb \u6587\u6863\u9879\u76ee\u68c0\u67e5\u6e05\u5355<\/h2>\n

        \u4e3a\u786e\u4fdd\u5168\u9762\u7814\u7a76\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u68c0\u67e5\u6e05\u5355\u4f5c\u4e3a\u6307\u5bfc\uff1a<\/p>\n

          \n
        • \u2611\ufe0f \u660e\u786e\u754c\u5b9a\u7cfb\u7edf\u8fb9\u754c\u3002<\/li>\n
        • \u2611\ufe0f \u8bc6\u522b\u6240\u6709\u5916\u90e8\u5b9e\u4f53\u53ca\u5176\u89d2\u8272\u3002<\/li>\n
        • \u2611\ufe0f \u7ed8\u5236\u6240\u6709\u6570\u636e\u5b58\u50a8\u53ca\u5176\u5173\u7cfb\u3002<\/li>\n
        • \u2611\ufe0f \u9a8c\u8bc1\u5404\u5c42\u7ea7\u95f4\u7684\u6570\u636e\u6d41\u662f\u5426\u5e73\u8861\u3002<\/li>\n
        • \u2611\ufe0f \u4f7f\u7528\u6e05\u6670\u4e14\u4e00\u81f4\u7684\u540d\u79f0\u6807\u6ce8\u6240\u6709\u6570\u636e\u6d41\u3002<\/li>\n
        • \u2611\ufe0f \u5c06\u53d1\u73b0\u7ed3\u679c\u4e0e\u6e90\u4ee3\u7801\u548c\u65e5\u5fd7\u8fdb\u884c\u6838\u5bf9\u9a8c\u8bc1\u3002<\/li>\n
        • \u2611\ufe0f \u4e0e\u9886\u57df\u4e13\u5bb6\u5171\u540c\u5ba1\u67e5\u56fe\u8868\u3002<\/li>\n
        • \u2611\ufe0f \u5efa\u7acb\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u4ee5\u652f\u6301\u672a\u6765\u66f4\u65b0\u3002<\/li>\n<\/ul>\n

          \ud83c\udf10 \u6587\u6863\u7684\u66f4\u5e7f\u6cdb\u5f71\u54cd<\/h2>\n

          \u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u4e0d\u4ec5\u4ec5\u662f\u7ed8\u5236\u4e00\u5e45\u56fe\uff1b\u66f4\u662f\u4e3a\u4e86\u4fdd\u5b58\u7ec4\u7ec7\u7684\u77e5\u8bc6\u3002\u5f53\u7cfb\u7edf\u7f3a\u4e4f\u6587\u6863\u65f6\uff0c\u7ec4\u7ec7\u5c06\u9762\u4e34\u4eba\u5458\u6d41\u5931\u5e26\u6765\u7684\u98ce\u9669\u3002\u51c6\u786e\u7684\u56fe\u8868\u80fd\u591f\u964d\u4f4e\u7cfb\u7edf\u53d8\u66f4\u548c\u8fc1\u79fb\u6240\u5e26\u6765\u7684\u98ce\u9669\u3002<\/p>\n

          \u6b64\u5916\uff0c\u6e05\u6670\u7684\u6587\u6863\u6709\u52a9\u4e8e\u65b0\u6210\u5458\u5feb\u901f\u5165\u804c\u3002\u65b0\u5de5\u7a0b\u5e08\u65e0\u9700\u82b1\u8d39\u6570\u5468\u65f6\u95f4\u89e3\u8bfb\u4ee3\u7801\uff0c\u800c\u662f\u53ef\u4ee5\u901a\u8fc7\u56fe\u8868\u5feb\u901f\u7406\u89e3\u7cfb\u7edf\u67b6\u6784\u3002\u8fd9\u52a0\u901f\u4e86\u5b66\u4e60\u8fc7\u7a0b\uff0c\u4f7f\u56e2\u961f\u80fd\u591f\u4e13\u6ce8\u4e8e\u521b\u9020\u4ef7\u503c\u7684\u4efb\u52a1\uff0c\u800c\u975e\u57fa\u7840\u7406\u89e3\u3002<\/p>\n

          \u6700\u540e\uff0c\u5728\u5408\u89c4\u4e0e\u5ba1\u8ba1\u7684\u80cc\u666f\u4e0b\uff0c\u62e5\u6709\u6e05\u6670\u7684\u6570\u636e\u6d41\u56fe\u5f80\u5f80\u662f\u5f3a\u5236\u8981\u6c42\u3002\u5b83\u8868\u660e\u7ec4\u7ec7\u6e05\u695a\u654f\u611f\u4fe1\u606f\u7684\u5b58\u653e\u4f4d\u7f6e\u53ca\u5176\u5904\u7406\u65b9\u5f0f\u3002\u8fd9\u79cd\u900f\u660e\u5ea6\u6709\u52a9\u4e8e\u8d62\u5f97\u76d1\u7ba1\u673a\u6784\u548c\u5229\u76ca\u76f8\u5173\u8005\u7684\u4fe1\u4efb\u3002<\/p>\n

          \ud83d\ude80 \u4fe1\u5fc3\u6ee1\u6ee1\u5730\u5411\u524d\u8fc8\u8fdb<\/h2>\n

          \u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u662f\u4e00\u9879\u9700\u8981\u8010\u5fc3\u4e0e\u7cbe\u51c6\u7684\u4efb\u52a1\u3002\u901a\u8fc7\u5229\u7528\u6570\u636e\u6d41\u56fe\uff0c\u4f60\u53ef\u4ee5\u4e3a\u590d\u6742\u6027\u5e26\u6765\u7ed3\u6784\u3002\u7814\u7a76\u8fc7\u7a0b\u4e0d\u4ec5\u63ed\u793a\u4e86\u7cfb\u7edf\u7684\u5de5\u4f5c\u65b9\u5f0f\uff0c\u4e5f\u6307\u51fa\u4e86\u53ef\u6539\u8fdb\u4e4b\u5904\u3002\u6709\u4e86\u51c6\u786e\u6587\u6863\u7684\u575a\u5b9e\u57fa\u7840\uff0c\u73b0\u4ee3\u5316\u6216\u7ef4\u62a4\u7684\u8def\u5f84\u5c06\u53d8\u5f97\u6e05\u6670\u5f97\u591a\u3002<\/p>\n

          \u5173\u6ce8\u6570\u636e\u3002\u8ffd\u8e2a\u6570\u636e\u6d41\u3002\u9a8c\u8bc1\u53d1\u73b0\u3002\u8fd9\u79cd\u4e25\u8c28\u7684\u65b9\u6cd5\u786e\u4fdd\u9057\u7559\u7cfb\u7edf\u5728\u672a\u6765\u80fd\u591f\u88ab\u5145\u5206\u7406\u89e3\u3001\u5c0a\u91cd\u5e76\u6709\u6548\u7ba1\u7406\u3002<\/p>\n

          \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u9057\u7559\u7cfb\u7edf\u901a\u5e38\u4ee3\u8868\u5173\u952e\u4e1a\u52a1\u8fd0\u8425\u7684\u652f\u67f1\u3002\u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u4eba\u5458\u66f4\u66ff\u548c…<\/p>\n","protected":false},"author":1,"featured_media":561,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55","_yoast_wpseo_metadesc":"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[47],"tags":[40,46],"class_list":["post-560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-flow-diagram","tag-academic","tag-data-flow-diagram"],"yoast_head":"\n\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55<\/title>\n<meta name=\"description\" content=\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55\" \/>\n<meta property=\"og:description\" content=\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\" \/>\n<meta property=\"og:site_name\" content=\"Visualize AI Simplified Chinese - Latest in AI & Software Innovation\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-21T16:47:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/f4829e721c737d92932250d9d21d8952\"},\"headline\":\"DFD\u6307\u5357\uff1a\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\",\"datePublished\":\"2026-03-21T16:47:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\"},\"wordCount\":10,\"publisher\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg\",\"keywords\":[\"academic\",\"data flow diagram\"],\"articleSection\":[\"Data Flow Diagram\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\",\"url\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\",\"name\":\"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55\",\"isPartOf\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg\",\"datePublished\":\"2026-03-21T16:47:45+00:00\",\"description\":\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage\",\"url\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg\",\"contentUrl\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.visualize-ai.com\/cn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"DFD\u6307\u5357\uff1a\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#website\",\"url\":\"https:\/\/www.visualize-ai.com\/cn\/\",\"name\":\"Visualize AI Simplified Chinese - Latest in AI & Software Innovation\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.visualize-ai.com\/cn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#organization\",\"name\":\"Visualize AI Simplified Chinese - Latest in AI & Software Innovation\",\"url\":\"https:\/\/www.visualize-ai.com\/cn\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2025\/03\/visualize-ai-logo.png\",\"contentUrl\":\"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2025\/03\/visualize-ai-logo.png\",\"width\":427,\"height\":98,\"caption\":\"Visualize AI Simplified Chinese - Latest in AI & Software Innovation\"},\"image\":{\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/f4829e721c737d92932250d9d21d8952\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.visualize-ai.com\"],\"url\":\"https:\/\/www.visualize-ai.com\/cn\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55","description":"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/","og_locale":"zh_CN","og_type":"article","og_title":"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55","og_description":"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002","og_url":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/","og_site_name":"Visualize AI Simplified Chinese - Latest in AI & Software Innovation","article_published_time":"2026-03-21T16:47:45+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"vpadmin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"7 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#article","isPartOf":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/f4829e721c737d92932250d9d21d8952"},"headline":"DFD\u6307\u5357\uff1a\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf","datePublished":"2026-03-21T16:47:45+00:00","mainEntityOfPage":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/"},"wordCount":10,"publisher":{"@id":"https:\/\/www.visualize-ai.com\/cn\/#organization"},"image":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg","keywords":["academic","data flow diagram"],"articleSection":["Data Flow Diagram"],"inLanguage":"zh-Hans"},{"@type":"WebPage","@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/","url":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/","name":"\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u5bf9\u9057\u7559\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u6027\u6587\u6863\u8bb0\u5f55","isPartOf":{"@id":"https:\/\/www.visualize-ai.com\/cn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage"},"image":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg","datePublished":"2026-03-21T16:47:45+00:00","description":"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u6570\u636e\u6d41\u56fe\u6765\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf\u3002\u63a2\u7d22\u65e0\u9700\u7279\u5b9a\u5de5\u5177\u5373\u53ef\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fdd\u6301\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u6280\u5de7\u3002","breadcrumb":{"@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#primaryimage","url":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg","contentUrl":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2026\/03\/legacy-system-documentation-dfd-infographic-child-style.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.visualize-ai.com\/cn\/documenting-legacy-systems-study-data-flow-diagrams\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.visualize-ai.com\/cn\/"},{"@type":"ListItem","position":2,"name":"DFD\u6307\u5357\uff1a\u4e3a\u7814\u7a76\u800c\u8bb0\u5f55\u9057\u7559\u7cfb\u7edf"}]},{"@type":"WebSite","@id":"https:\/\/www.visualize-ai.com\/cn\/#website","url":"https:\/\/www.visualize-ai.com\/cn\/","name":"Visualize AI Simplified Chinese - Latest in AI & Software Innovation","description":"","publisher":{"@id":"https:\/\/www.visualize-ai.com\/cn\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.visualize-ai.com\/cn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/www.visualize-ai.com\/cn\/#organization","name":"Visualize AI Simplified Chinese - Latest in AI & Software Innovation","url":"https:\/\/www.visualize-ai.com\/cn\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/logo\/image\/","url":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2025\/03\/visualize-ai-logo.png","contentUrl":"https:\/\/www.visualize-ai.com\/cn\/wp-content\/uploads\/sites\/2\/2025\/03\/visualize-ai-logo.png","width":427,"height":98,"caption":"Visualize AI Simplified Chinese - Latest in AI & Software Innovation"},"image":{"@id":"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/f4829e721c737d92932250d9d21d8952","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.visualize-ai.com\/cn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.visualize-ai.com"],"url":"https:\/\/www.visualize-ai.com\/cn\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/posts\/560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/comments?post=560"}],"version-history":[{"count":0,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/posts\/560\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/media\/561"}],"wp:attachment":[{"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/media?parent=560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/categories?post=560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.visualize-ai.com\/cn\/wp-json\/wp\/v2\/tags?post=560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}