{"id":6383,"date":"2026-02-04T17:43:47","date_gmt":"2026-02-04T09:43:47","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/tw\/understanding-data-flow-diagrams-dfds\/"},"modified":"2026-02-04T17:43:47","modified_gmt":"2026-02-04T09:43:47","slug":"understanding-data-flow-diagrams-dfds","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/tw\/understanding-data-flow-diagrams-dfds\/","title":{"rendered":"\u7406\u89e3\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09"},"content":{"rendered":"

\u4ecb\u7d39<\/h3>\n

\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09\u662f\u7528\u65bc\u6a21\u64ec\u7cfb\u7d71\u5167\u8cc7\u8a0a\u6d41\u52d5\u7684\u5f37\u5927\u5de5\u5177\u3002\u5b83\u5011\u63d0\u4f9b\u4e86\u4e00\u7a2e\u8996\u89ba\u5316\u8868\u793a\uff0c\u5c0d\u96fb\u8166\u5c08\u696d\u4eba\u54e1\u548c\u975e\u5c08\u696d\u4f7f\u7528\u8005\u90fd\u6613\u65bc\u7406\u89e3\uff0c\u56e0\u6b64\u5728\u5206\u6790\u548c\u898f\u683c\u5316\u7cfb\u7d71\u9700\u6c42\u6642\u6975\u5177\u50f9\u503c\u3002<\/p>\n

1. \u57fa\u672c\u6982\u5ff5<\/h3>\n

\u5728\u6838\u5fc3\u4e0a\uff0cDFD \u6a21\u64ec\u8cc7\u8a0a\u5982\u4f55\u5728\u7cfb\u7d71\u4e2d\u6d41\u52d5\u4ee5\u53ca\u8655\u7406\u9019\u4e9b\u8cc7\u8a0a\u7684\u6d3b\u52d5\u3002\u5b83\u662f\u4e00\u7a2e\u5716\u5f62\u5316\u8868\u793a\uff0c\u4fc3\u9032\u4e86\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u5ba2\u6236\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6709\u6548\u6e9d\u901a\u3002<\/p>\n

2. DFD \u7684\u7d44\u6210\u90e8\u5206<\/h3>\n

\"1.<\/p>\n

2.1 \u8655\u7406\u7a0b\u5e8f<\/h4>\n

DFD \u4e2d\u7684\u8655\u7406\u7a0b\u5e8f\u4ee3\u8868\u7cfb\u7d71\u5167\u767c\u751f\u7684\u6d3b\u52d5\u6216\u8f49\u63db\u3002\u9019\u4e9b\u53ef\u5f9e\u7c21\u55ae\u7684\u64cd\u4f5c\u5230\u8907\u96dc\u7684\u6f14\u7b97\u6cd5\u4e0d\u7b49\u3002<\/p>\n

2.2 \u8cc7\u6599\u5132\u5b58<\/h4>\n

\u8cc7\u6599\u5132\u5b58\u662f\u7cfb\u7d71\u5167\u5b58\u653e\u8cc7\u6599\u7684\u5132\u5b58\u5eab\u3002\u5b83\u5011\u53ef\u4ee5\u662f\u8cc7\u6599\u5eab\u3001\u6a94\u6848\uff0c\u6216\u5176\u4ed6\u4efb\u4f55\u5f62\u5f0f\u7684\u5132\u5b58\u3002<\/p>\n

2.3 \u8cc7\u6599\u6d41<\/h4>\n

\u8cc7\u6599\u6d41\u662f\u4ee5\u7bad\u982d\u8868\u793a\u8cc7\u6599\u5728\u8655\u7406\u7a0b\u5e8f\u3001\u8cc7\u6599\u5132\u5b58\u548c\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u7684\u79fb\u52d5\u3002\u5b83\u5011\u5c55\u793a\u4e86\u8cc7\u8a0a\u5728\u7cfb\u7d71\u5167\u5982\u4f55\u50b3\u905e\u3002<\/p>\n

2.4 \u5916\u90e8\u5be6\u9ad4<\/h4>\n

\u5916\u90e8\u5be6\u9ad4\u662f\u4f4d\u65bc\u7cfb\u7d71\u5916\u90e8\u4f46\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u8cc7\u8a0a\u4f86\u6e90\u6216\u76ee\u7684\u5730\u3002\u9019\u4e9b\u53ef\u4ee5\u662f\u4f7f\u7528\u8005\u3001\u5176\u4ed6\u7cfb\u7d71\uff0c\u751a\u81f3\u662f\u611f\u6e2c\u5668\u3002<\/p>\n

3. \u898f\u5247\u8207\u69cb\u9020<\/h3>\n

DFD \u4f7f\u7528\u6709\u9650\u7684\u4e00\u7d44\u69cb\u9020\u548c\u7c21\u55ae\u7684\u898f\u5247\uff0c\u4f7f\u5176\u5bb9\u6613\u7406\u89e3\u3002\u9019\u4e9b\u898f\u5247\u5728\u6240\u6709\u8cc7\u6599\u6d41\u7a0b\u5716\u4e2d\u7684\u4e00\u81f4\u6027\u78ba\u4fdd\u4e86\u7d71\u4e00\u6027\u548c\u6e05\u6670\u5ea6\u3002<\/p>\n

4. DFD \u7684\u512a\u9ede<\/h3>\n

4.1 \u5354\u4f5c<\/h4>\n

DFD \u4fc3\u9032\u4e86\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u5ba2\u6236\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6709\u6548\u5354\u4f5c\u3002\u5716\u8868\u7684\u8996\u89ba\u7279\u6027\u7c21\u5316\u4e86\u8907\u96dc\u7684\u6982\u5ff5\u3002<\/p>\n

4.2 \u5206\u6790\u8207\u898f\u683c\u5316<\/h4>\n

\u5b83\u5011\u5728\u5206\u6790\u548c\u898f\u683c\u5316\u7cfb\u7d71\u9700\u6c42\u65b9\u9762\u81f3\u95dc\u91cd\u8981\u3002\u900f\u904e\u5c08\u6ce8\u65bc\u8cc7\u8a0a\u6d41\u52d5\uff0cDFD \u63d0\u4f9b\u4e86\u5c0d\u7cfb\u7d71\u904b\u4f5c\u65b9\u5f0f\u7684\u6e05\u6670\u7406\u89e3\u3002<\/p>\n

5. \u5efa\u7acb DFD \u7684\u9010\u6b65\u6307\u5357<\/h3>\n

5.1 \u8b58\u5225\u8655\u7406\u7a0b\u5e8f<\/h4>\n

\u9996\u5148\u8b58\u5225\u7cfb\u7d71\u4e2d\u7684\u95dc\u9375\u8655\u7406\u7a0b\u5e8f\u3002\u9019\u4e9b\u662f\u64cd\u4f5c\u6216\u8f49\u63db\u8cc7\u6599\u7684\u6d3b\u52d5\u3002<\/p>\n

5.2 \u5b9a\u7fa9\u8cc7\u6599\u6d41<\/h4>\n

\u78ba\u5b9a\u8cc7\u6599\u5982\u4f55\u5728\u8655\u7406\u7a0b\u5e8f\u4e4b\u9593\u6d41\u52d5\u3002\u4f7f\u7528\u7bad\u982d\u8868\u793a\u8cc7\u6599\u6d41\uff0c\u4e26\u6b63\u78ba\u6a19\u793a\u3002<\/p>\n

5.3 \u5f15\u5165\u8cc7\u6599\u5132\u5b58<\/h4>\n

\u8b58\u5225\u7cfb\u7d71\u5167\u8cc7\u6599\u5b58\u653e\u7684\u4f4d\u7f6e\u3002\u76f8\u61c9\u5730\u5c07\u8cc7\u6599\u5132\u5b58\u9023\u63a5\u5230\u8655\u7406\u7a0b\u5e8f\u548c\u8cc7\u6599\u6d41\u3002<\/p>\n

5.4 \u878d\u5165\u5916\u90e8\u5be6\u9ad4<\/h4>\n

\u5305\u542b\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u5916\u90e8\u5be6\u9ad4\u3002\u900f\u904e\u8cc7\u6599\u6d41\u5c07\u5b83\u5011\u9023\u63a5\u5230\u76f8\u95dc\u7684\u8655\u7406\u7a0b\u5e8f\u3002<\/p>\n

5.5 \u9a57\u8b49\u8207\u8fed\u4ee3<\/h4>\n

\u6aa2\u67e5\u60a8\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u5426\u6e96\u78ba\u4e14\u5b8c\u6574\u3002\u5982\u6709\u9700\u8981\uff0c\u9032\u884c\u8fed\u4ee3\uff0c\u78ba\u4fdd\u5716\u8868\u80fd\u6709\u6548\u5448\u73fe\u7cfb\u7d71\u4e2d\u7684\u8cc7\u8a0a\u6d41\u52d5\u3002<\/p>\n

6. \u7bc4\u4f8b<\/h3>\n

\u70ba\u4e86\u978f\u56fa\u60a8\u7684\u7406\u89e3\uff0c\u8b93\u6211\u5011\u4f86\u8003\u616e\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff1a<\/p>\n

\u60c5\u5883<\/strong>\uff1a\u7dda\u4e0a\u8cfc\u7269\u7cfb\u7d71<\/p>\n

    \n
  1. \u6d41\u7a0b<\/strong>\uff1a\u8a02\u55ae\u8655\u7406\u3001\u5eab\u5b58\u7ba1\u7406\u3001\u4ed8\u6b3e\u8655\u7406\u3002<\/li>\n
  2. \u8cc7\u6599\u6d41<\/strong>\uff1a\u8a02\u55ae\u8a73\u60c5\u5f9e\u5ba2\u6236\u6d41\u5411\u8a02\u55ae\u8655\u7406\uff0c\u5eab\u5b58\u66f4\u65b0\u6d41\u5411\u5eab\u5b58\u7ba1\u7406\uff0c\u4ed8\u6b3e\u8cc7\u8a0a\u6d41\u5411\u4ed8\u6b3e\u8655\u7406\u3002<\/li>\n
  3. \u8cc7\u6599\u5132\u5b58<\/strong>\uff1a\u7528\u65bc\u5132\u5b58\u5ba2\u6236\u8cc7\u8a0a\u7684\u8cc7\u6599\u5eab\uff0c\u5eab\u5b58\u8cc7\u6599\u5eab\u3002<\/li>\n
  4. \u5916\u90e8\u5be6\u9ad4<\/strong>\uff1a\u4e0b\u8a02\u55ae\u7684\u5ba2\u6236\u3002<\/li>\n<\/ol>\n

    \u7d50\u8ad6<\/h3>\n

    \u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u7cfb\u7d71\u5206\u6790\u4e2d\u7684\u4e00\u9805\u91cd\u8981\u5de5\u5177\u3002\u900f\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5efa\u7acb\u6e05\u6670\u4e14\u5b8c\u6574\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\uff0c\u4f5c\u70ba\u958b\u767c\u8207\u7406\u89e3\u8907\u96dc\u7cfb\u7d71\u7684\u57fa\u790e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u4ecb\u7d39 \u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09\u662f\u7528\u65bc\u6a21\u64ec\u7cfb\u7d71\u5167\u8cc7\u8a0a\u6d41\u52d5\u7684\u5f37\u5927\u5de5\u5177\u3002\u5b83\u5011\u63d0\u4f9b\u4e86\u4e00\u7a2e\u8996\u89ba\u5316\u8868\u793a\uff0c\u5c0d\u96fb\u8166\u5c08\u696d\u4eba\u54e1\u548c\u975e\u5c08\u696d\u4f7f\u7528\u8005\u90fd\u6613\u65bc\u7406\u89e3\uff0c\u56e0\u6b64\u5728\u5206\u6790\u548c\u898f\u683c\u5316\u7cfb\u7d71\u9700\u6c42\u6642\u6975\u5177\u50f9\u503c\u3002 1. \u57fa\u672c\u6982\u5ff5 \u5728\u6838\u5fc3\u4e0a\uff0cDFD \u6a21\u64ec\u8cc7\u8a0a\u5982\u4f55\u5728\u7cfb\u7d71\u4e2d\u6d41\u52d5\u4ee5\u53ca\u8655\u7406\u9019\u4e9b\u8cc7\u8a0a\u7684\u6d3b\u52d5\u3002\u5b83\u662f\u4e00\u7a2e\u5716\u5f62\u5316\u8868\u793a\uff0c\u4fc3\u9032\u4e86\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u5ba2\u6236\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6709\u6548\u6e9d\u901a\u3002 2. DFD \u7684\u7d44\u6210\u90e8\u5206 2.1 \u8655\u7406\u7a0b\u5e8f DFD \u4e2d\u7684\u8655\u7406\u7a0b\u5e8f\u4ee3\u8868\u7cfb\u7d71\u5167\u767c\u751f\u7684\u6d3b\u52d5\u6216\u8f49\u63db\u3002\u9019\u4e9b\u53ef\u5f9e\u7c21\u55ae\u7684\u64cd\u4f5c\u5230\u8907\u96dc\u7684\u6f14\u7b97\u6cd5\u4e0d\u7b49\u3002 2.2 \u8cc7\u6599\u5132\u5b58 \u8cc7\u6599\u5132\u5b58\u662f\u7cfb\u7d71\u5167\u5b58\u653e\u8cc7\u6599\u7684\u5132\u5b58\u5eab\u3002\u5b83\u5011\u53ef\u4ee5\u662f\u8cc7\u6599\u5eab\u3001\u6a94\u6848\uff0c\u6216\u5176\u4ed6\u4efb\u4f55\u5f62\u5f0f\u7684\u5132\u5b58\u3002 2.3 \u8cc7\u6599\u6d41 \u8cc7\u6599\u6d41\u662f\u4ee5\u7bad\u982d\u8868\u793a\u8cc7\u6599\u5728\u8655\u7406\u7a0b\u5e8f\u3001\u8cc7\u6599\u5132\u5b58\u548c\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u7684\u79fb\u52d5\u3002\u5b83\u5011\u5c55\u793a\u4e86\u8cc7\u8a0a\u5728\u7cfb\u7d71\u5167\u5982\u4f55\u50b3\u905e\u3002 2.4 \u5916\u90e8\u5be6\u9ad4 \u5916\u90e8\u5be6\u9ad4\u662f\u4f4d\u65bc\u7cfb\u7d71\u5916\u90e8\u4f46\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u8cc7\u8a0a\u4f86\u6e90\u6216\u76ee\u7684\u5730\u3002\u9019\u4e9b\u53ef\u4ee5\u662f\u4f7f\u7528\u8005\u3001\u5176\u4ed6\u7cfb\u7d71\uff0c\u751a\u81f3\u662f\u611f\u6e2c\u5668\u3002 3. \u898f\u5247\u8207\u69cb\u9020 DFD \u4f7f\u7528\u6709\u9650\u7684\u4e00\u7d44\u69cb\u9020\u548c\u7c21\u55ae\u7684\u898f\u5247\uff0c\u4f7f\u5176\u5bb9\u6613\u7406\u89e3\u3002\u9019\u4e9b\u898f\u5247\u5728\u6240\u6709\u8cc7\u6599\u6d41\u7a0b\u5716\u4e2d\u7684\u4e00\u81f4\u6027\u78ba\u4fdd\u4e86\u7d71\u4e00\u6027\u548c\u6e05\u6670\u5ea6\u3002 4. DFD \u7684\u512a\u9ede 4.1 \u5354\u4f5c DFD \u4fc3\u9032\u4e86\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u5ba2\u6236\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6709\u6548\u5354\u4f5c\u3002\u5716\u8868\u7684\u8996\u89ba\u7279\u6027\u7c21\u5316\u4e86\u8907\u96dc\u7684\u6982\u5ff5\u3002 4.2 \u5206\u6790\u8207\u898f\u683c\u5316 \u5b83\u5011\u5728\u5206\u6790\u548c\u898f\u683c\u5316\u7cfb\u7d71\u9700\u6c42\u65b9\u9762\u81f3\u95dc\u91cd\u8981\u3002\u900f\u904e\u5c08\u6ce8\u65bc\u8cc7\u8a0a\u6d41\u52d5\uff0cDFD \u63d0\u4f9b\u4e86\u5c0d\u7cfb\u7d71\u904b\u4f5c\u65b9\u5f0f\u7684\u6e05\u6670\u7406\u89e3\u3002 5. \u5efa\u7acb DFD \u7684\u9010\u6b65\u6307\u5357 5.1 \u8b58\u5225\u8655\u7406\u7a0b\u5e8f \u9996\u5148\u8b58\u5225\u7cfb\u7d71\u4e2d\u7684\u95dc\u9375\u8655\u7406\u7a0b\u5e8f\u3002\u9019\u4e9b\u662f\u64cd\u4f5c\u6216\u8f49\u63db\u8cc7\u6599\u7684\u6d3b\u52d5\u3002 5.2 \u5b9a\u7fa9\u8cc7\u6599\u6d41 \u78ba\u5b9a\u8cc7\u6599\u5982\u4f55\u5728\u8655\u7406\u7a0b\u5e8f\u4e4b\u9593\u6d41\u52d5\u3002\u4f7f\u7528\u7bad\u982d\u8868\u793a\u8cc7\u6599\u6d41\uff0c\u4e26\u6b63\u78ba\u6a19\u793a\u3002 5.3 \u5f15\u5165\u8cc7\u6599\u5132\u5b58 \u8b58\u5225\u7cfb\u7d71\u5167\u8cc7\u6599\u5b58\u653e\u7684\u4f4d\u7f6e\u3002\u76f8\u61c9\u5730\u5c07\u8cc7\u6599\u5132\u5b58\u9023\u63a5\u5230\u8655\u7406\u7a0b\u5e8f\u548c\u8cc7\u6599\u6d41\u3002 5.4 \u878d\u5165\u5916\u90e8\u5be6\u9ad4 \u5305\u542b\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u5916\u90e8\u5be6\u9ad4\u3002\u900f\u904e\u8cc7\u6599\u6d41\u5c07\u5b83\u5011\u9023\u63a5\u5230\u76f8\u95dc\u7684\u8655\u7406\u7a0b\u5e8f\u3002 5.5 \u9a57\u8b49\u8207\u8fed\u4ee3 \u6aa2\u67e5\u60a8\u7684\u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u5426\u6e96\u78ba\u4e14\u5b8c\u6574\u3002\u5982\u6709\u9700\u8981\uff0c\u9032\u884c\u8fed\u4ee3\uff0c\u78ba\u4fdd\u5716\u8868\u80fd\u6709\u6548\u5448\u73fe\u7cfb\u7d71\u4e2d\u7684\u8cc7\u8a0a\u6d41\u52d5\u3002 6. \u7bc4\u4f8b \u70ba\u4e86\u978f\u56fa\u60a8\u7684\u7406\u89e3\uff0c\u8b93\u6211\u5011\u4f86\u8003\u616e\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff1a \u60c5\u5883\uff1a\u7dda\u4e0a\u8cfc\u7269\u7cfb\u7d71 \u6d41\u7a0b\uff1a\u8a02\u55ae\u8655\u7406\u3001\u5eab\u5b58\u7ba1\u7406\u3001\u4ed8\u6b3e\u8655\u7406\u3002 \u8cc7\u6599\u6d41\uff1a\u8a02\u55ae\u8a73\u60c5\u5f9e\u5ba2\u6236\u6d41\u5411\u8a02\u55ae\u8655\u7406\uff0c\u5eab\u5b58\u66f4\u65b0\u6d41\u5411\u5eab\u5b58\u7ba1\u7406\uff0c\u4ed8\u6b3e\u8cc7\u8a0a\u6d41\u5411\u4ed8\u6b3e\u8655\u7406\u3002 \u8cc7\u6599\u5132\u5b58\uff1a\u7528\u65bc\u5132\u5b58\u5ba2\u6236\u8cc7\u8a0a\u7684\u8cc7\u6599\u5eab\uff0c\u5eab\u5b58\u8cc7\u6599\u5eab\u3002 \u5916\u90e8\u5be6\u9ad4\uff1a\u4e0b\u8a02\u55ae\u7684\u5ba2\u6236\u3002 \u7d50\u8ad6 \u8cc7\u6599\u6d41\u7a0b\u5716\u662f\u7cfb\u7d71\u5206\u6790\u4e2d\u7684\u4e00\u9805\u91cd\u8981\u5de5\u5177\u3002\u900f\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5efa\u7acb\u7406\u89e3\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_eb_attr":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-6383","post","type-post","status-publish","format-standard","hentry","category-dfd"],"yoast_head":"\n\u7406\u89e3\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09 - Visual Paradigm Guides Traditional Chinese<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/guides.visual-paradigm.com\/tw\/understanding-data-flow-diagrams-dfds\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7406\u89e3\u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09 - Visual Paradigm Guides Traditional Chinese\" \/>\n<meta property=\"og:description\" content=\"\u4ecb\u7d39 \u8cc7\u6599\u6d41\u7a0b\u5716\uff08DFDs\uff09\u662f\u7528\u65bc\u6a21\u64ec\u7cfb\u7d71\u5167\u8cc7\u8a0a\u6d41\u52d5\u7684\u5f37\u5927\u5de5\u5177\u3002\u5b83\u5011\u63d0\u4f9b\u4e86\u4e00\u7a2e\u8996\u89ba\u5316\u8868\u793a\uff0c\u5c0d\u96fb\u8166\u5c08\u696d\u4eba\u54e1\u548c\u975e\u5c08\u696d\u4f7f\u7528\u8005\u90fd\u6613\u65bc\u7406\u89e3\uff0c\u56e0\u6b64\u5728\u5206\u6790\u548c\u898f\u683c\u5316\u7cfb\u7d71\u9700\u6c42\u6642\u6975\u5177\u50f9\u503c\u3002 1. \u57fa\u672c\u6982\u5ff5 \u5728\u6838\u5fc3\u4e0a\uff0cDFD \u6a21\u64ec\u8cc7\u8a0a\u5982\u4f55\u5728\u7cfb\u7d71\u4e2d\u6d41\u52d5\u4ee5\u53ca\u8655\u7406\u9019\u4e9b\u8cc7\u8a0a\u7684\u6d3b\u52d5\u3002\u5b83\u662f\u4e00\u7a2e\u5716\u5f62\u5316\u8868\u793a\uff0c\u4fc3\u9032\u4e86\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u5ba2\u6236\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6709\u6548\u6e9d\u901a\u3002 2. DFD \u7684\u7d44\u6210\u90e8\u5206 2.1 \u8655\u7406\u7a0b\u5e8f DFD \u4e2d\u7684\u8655\u7406\u7a0b\u5e8f\u4ee3\u8868\u7cfb\u7d71\u5167\u767c\u751f\u7684\u6d3b\u52d5\u6216\u8f49\u63db\u3002\u9019\u4e9b\u53ef\u5f9e\u7c21\u55ae\u7684\u64cd\u4f5c\u5230\u8907\u96dc\u7684\u6f14\u7b97\u6cd5\u4e0d\u7b49\u3002 2.2 \u8cc7\u6599\u5132\u5b58 \u8cc7\u6599\u5132\u5b58\u662f\u7cfb\u7d71\u5167\u5b58\u653e\u8cc7\u6599\u7684\u5132\u5b58\u5eab\u3002\u5b83\u5011\u53ef\u4ee5\u662f\u8cc7\u6599\u5eab\u3001\u6a94\u6848\uff0c\u6216\u5176\u4ed6\u4efb\u4f55\u5f62\u5f0f\u7684\u5132\u5b58\u3002 2.3 \u8cc7\u6599\u6d41 \u8cc7\u6599\u6d41\u662f\u4ee5\u7bad\u982d\u8868\u793a\u8cc7\u6599\u5728\u8655\u7406\u7a0b\u5e8f\u3001\u8cc7\u6599\u5132\u5b58\u548c\u5916\u90e8\u5be6\u9ad4\u4e4b\u9593\u7684\u79fb\u52d5\u3002\u5b83\u5011\u5c55\u793a\u4e86\u8cc7\u8a0a\u5728\u7cfb\u7d71\u5167\u5982\u4f55\u50b3\u905e\u3002 2.4 \u5916\u90e8\u5be6\u9ad4 \u5916\u90e8\u5be6\u9ad4\u662f\u4f4d\u65bc\u7cfb\u7d71\u5916\u90e8\u4f46\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u8cc7\u8a0a\u4f86\u6e90\u6216\u76ee\u7684\u5730\u3002\u9019\u4e9b\u53ef\u4ee5\u662f\u4f7f\u7528\u8005\u3001\u5176\u4ed6\u7cfb\u7d71\uff0c\u751a\u81f3\u662f\u611f\u6e2c\u5668\u3002 3. \u898f\u5247\u8207\u69cb\u9020 DFD \u4f7f\u7528\u6709\u9650\u7684\u4e00\u7d44\u69cb\u9020\u548c\u7c21\u55ae\u7684\u898f\u5247\uff0c\u4f7f\u5176\u5bb9\u6613\u7406\u89e3\u3002\u9019\u4e9b\u898f\u5247\u5728\u6240\u6709\u8cc7\u6599\u6d41\u7a0b\u5716\u4e2d\u7684\u4e00\u81f4\u6027\u78ba\u4fdd\u4e86\u7d71\u4e00\u6027\u548c\u6e05\u6670\u5ea6\u3002 4. 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