{"id":5246,"date":"2022-01-25T11:13:23","date_gmt":"2022-01-25T11:13:23","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/?p=5246"},"modified":"2026-04-20T09:13:35","modified_gmt":"2026-04-20T09:13:35","slug":"%e5%b8%a6%e7%a4%ba%e4%be%8b%e7%9a%84%e6%95%b0%e6%8d%ae%e6%b5%81%e7%a8%8b%e5%9b%be%e7%bb%bc%e5%90%88%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/data-flow-diagram-comprehensive-guide-with-examples\/","title":{"rendered":"\u5e26\u793a\u4f8b\u7684\u6570\u636e\u6d41\u7a0b\u56fe\u7efc\u5408\u6307\u5357"},"content":{"rendered":"<p id=\"9f1e\" class=\"graf graf--p 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graf--li graf-after--li\">\u63cf\u8ff0\u76ee\u6807\u7cfb\u7edf\u7684\u6d3b\u52a8\/\u8fc7\u7a0b\u7f51\u7edc\uff1b<\/li>\n<li id=\"a233\" class=\"graf graf--li graf-after--li\">\u5141\u8bb8\u5e76\u884c\u548c\u5f02\u6b65\u7684\u884c\u4e3a\uff1b<\/li>\n<li id=\"b4d8\" class=\"graf graf--li graf-after--li\">\u901a\u8fc7\u6d41\u7a0b\u7684\u5c42\u6b21\u5206\u89e3\u9010\u6b65\u7ec6\u5316\u3002<\/li>\n<\/ol>\n<h4 id=\"005a\" class=\"graf graf--h4 graf-after--li\"><span id=\"Key_Concepts_of_Data_Flow_Diagram\">\u6570\u636e\u6d41\u56fe\u7684\u5173\u952e\u6982\u5ff5<\/span><\/h4>\n<p id=\"2270\" class=\"graf graf--p graf-after--h4\">DFD \u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b26\u53f7\u7cfb\u7edf\u6765\u63cf\u8ff0\u6570\u636e\u6d41\u548c\u4e00\u4e2a\u5206\u89e3\u673a\u5236\u6765\u63cf\u8ff0\u4e0d\u540c\u7ec6\u8282\u7ea7\u522b\u7684\u7cfb\u7edf\u3002<\/p>\n<h4 id=\"6a56\" class=\"graf graf--h4 graf-after--p\"><span id=\"Process\">\u8fc7\u7a0b<\/span><\/h4>\n<p id=\"98b8\" class=\"graf graf--p graf-after--h4\">\u73b0\u5728\u6211\u4eec\u60f3\u5411\u60a8\u7b80\u8981\u4ecb\u7ecd\u4e00\u4e9b\u56fe\u8868\u7b26\u53f7\uff0c\u60a8\u5c06\u5728\u4e0b\u9762\u7684\u6559\u7a0b\u4e2d\u770b\u5230\u5b83\u4eec\u3002<\/p>\n<h4 id=\"f648\" class=\"graf graf--h4 graf-after--p\"><span id=\"External_Entity\">\u5916\u90e8\u5b9e\u4f53<\/span><\/h4>\n<p id=\"af2d\" class=\"graf graf--p graf-after--h4\">\u5916\u90e8\u5b9e\u4f53\u53ef\u4ee5\u4ee3\u8868\u4eba\u3001\u7cfb\u7edf\u6216\u5b50\u7cfb\u7edf\u3002\u5b83\u662f\u67d0\u4e9b\u6570\u636e\u6765\u81ea\u6216\u53bb\u5f80\u7684\u5730\u65b9\u3002\u5c31\u4e1a\u52a1\u6d41\u7a0b\u800c\u8a00\uff0c\u5b83\u5728\u6211\u4eec\u7814\u7a76\u7684\u7cfb\u7edf\u4e4b\u5916\u3002\u51fa\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0c\u4eba\u4eec\u4e60\u60ef\u4e8e\u5728\u56fe\u8868\u7684\u8fb9\u7f18\u7ed8\u5236\u5916\u90e8\u5b9e\u4f53\u3002<\/p>\n<figure id=\"140c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/07nIDrqhp7Lk69u8W.png\" data-image-id=\"0*7nIDrqhp7Lk69u8W.png\" data-width=\"101\" data-height=\"51\" \/><\/figure>\n<h4 id=\"9b0f\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Process1\">\u8fc7\u7a0b<\/span><\/h4>\n<p id=\"d1bb\" class=\"graf graf--p graf-after--h4\">\u6d41\u7a0b\u662f\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u548c\u8f6c\u6362\u7684\u4e1a\u52a1\u6d3b\u52a8\u6216\u529f\u80fd\u3002\u53ef\u4ee5\u5c06\u6d41\u7a0b\u5206\u89e3\u4e3a\u66f4\u7cbe\u7ec6\u7684\u7ec6\u8282\uff0c\u4ee5\u8868\u793a\u5728\u6d41\u7a0b\u4e2d\u5982\u4f55\u5904\u7406\u6570\u636e\u3002<\/p>\n<figure id=\"f760\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0U6c36jcSQjAG7yPp.png\" data-image-id=\"0*U6c36jcSQjAG7yPp.png\" data-width=\"111\" data-height=\"71\" \/><\/figure>\n<h4 id=\"5248\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Store\">\u6570\u636e\u5b58\u50a8<\/span><\/h4>\n<p id=\"4fa5\" class=\"graf graf--p graf-after--h4\">\u6570\u636e\u5b58\u50a8\u8868\u793a\u8fc7\u7a0b\u6240\u9700\u548c\/\u6216\u4ea7\u751f\u7684\u6301\u4e45\u6570\u636e\u7684\u5b58\u50a8\u3002\u4ee5\u4e0b\u662f\u6570\u636e\u5b58\u50a8\u7684\u4e00\u4e9b\u793a\u4f8b\uff1a\u4f1a\u5458\u8868\u683c\u3001\u6570\u636e\u5e93\u8868\u7b49\u3002<\/p>\n<figure id=\"3001\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/07Hd8EfrL-SVzMMqh.png\" data-image-id=\"0*7Hd8EfrL-SVzMMqh.png\" data-width=\"111\" data-height=\"41\" \/><\/figure>\n<h4 id=\"d6a8\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Flow\">\u6570\u636e\u6d41<\/span><\/h4>\n<p id=\"547b\" class=\"graf graf--p graf-after--h4\">\u6570\u636e\u6d41\u8868\u793a\u4fe1\u606f\u6d41\uff0c\u5176\u65b9\u5411\u7531\u663e\u793a\u5728\u6d41\u8fde\u63a5\u5668\u672b\u7aef\u7684\u7bad\u5934\u8868\u793a\u3002<\/p>\n<figure id=\"1971\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0l3117Oi4gW5QW29x.png\" data-image-id=\"0*l3117Oi4gW5QW29x.png\" data-width=\"136\" data-height=\"88\" \/><\/figure>\n<h4 id=\"7870\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Different_DFD_Notations\">\u4e0d\u540c\u7684 DFD \u7b26\u53f7<\/span><\/h4>\n<p id=\"eb5f\" class=\"graf graf--p graf-after--h4\">\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u7b26\u53f7\uff1a<\/p>\n<ol class=\"postList\">\n<li id=\"486e\" class=\"graf graf--li graf-after--p\">Yourdon\u548c\/\u6216De Marco\uff0c<\/li>\n<li id=\"6727\" class=\"graf graf--li graf-after--li\">\u52a0\u6069\u548c\u8428\u68ee\uff0c<\/li>\n<li id=\"d81d\" class=\"graf graf--li graf-after--li\">SSADM\uff08\u7ed3\u6784\u5316\u7cfb\u7edf\u5206\u6790\u548c\u8bbe\u8ba1\u65b9\u6cd5\uff09\uff0c\u4ee5\u53ca<\/li>\n<li id=\"3741\" class=\"graf graf--li graf-after--li\">\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\u6709\u663e\u793a\u6570\u636e\u6d41\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n<figure id=\"f32f\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0W691GG6rn94caqFZ.gif\" data-image-id=\"0*W691GG6rn94caqFZ.gif\" data-width=\"663\" data-height=\"456\" data-is-featured=\"true\" \/><\/figure>\n<h3 id=\"9ffa\" class=\"graf graf--h3 graf-after--figure\"><span id=\"How_to_Draw_DFD_with_Multiple_Context_Levels\">\u5982\u4f55\u7ed8\u5236\u5177\u6709\u591a\u4e2a\u4e0a\u4e0b\u6587\u7ea7\u522b\u7684 DFD\uff1f<\/span><\/h3>\n<p id=\"6a32\" class=\"graf graf--p graf-after--h3\">\u529f\u80fd\u5206\u89e3\u662f\u5c06\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\u5206\u89e3\u6210\u66f4\u5c0f\u3001\u66f4\u7b80\u5355\u7684\u90e8\u5206\u7684\u8fc7\u7a0b\u3002\u6bcf\u4e00\u4e2a\u90fd\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7ec6\u5206\u3002\u4e00\u65e6\u60a8\u8fbe\u5230\u4e86\u5b50\u7cfb\u7edf\u5206\u89e3\u7684\u6700\u4f4e\u7ea7\u522b\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u8003\u8651\u5982\u4f55\u5f00\u59cb\u7f16\u5199\u8fd9\u4e9b\u529f\u80fd\u3002\u5f53\u60a8\u6b63\u5728\u5f00\u53d1\u6700\u7b80\u5355\u7684\u529f\u80fd\u65f6\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u80fd\u4f1a\u4f7f\u7528\u6b63\u5728\u5f00\u53d1\u7684\u76ee\u6807\u7cfb\u7edf\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u548c\u6d4b\u8bd5\u8fd9\u4e9b\u529f\u80fd\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<p id=\"7491\" class=\"graf graf--p graf-after--p\">\u521b\u5efa\u8005\uff1aVisual Paradigm\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\">Enterprise<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\">Professional<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\">Standard<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\">Modeler<\/a><\/p>\n<h3 id=\"97ee\" class=\"graf graf--h3 graf-after--p\"><span id=\"Creating_Context_Level_DFD\">\u521b\u5efa\u4e0a\u4e0b\u6587\u7ea7 DFD<\/span><\/h3>\n<p id=\"e436\" class=\"graf graf--p graf-after--h3\">\u4e0a\u4e0b\u6587\u7ea7DFD\uff0c\u4e5f\u79f0\u4e3a0\u7ea7DFD\uff0c\u5c06\u6574\u4e2a\u7cfb\u7edf\u89c6\u4e3a\u5355\u4e2a\u8fdb\u7a0b\uff0c\u5f3a\u8c03\u7cfb\u7edf\u4e0e\u5916\u90e8\u5b9e\u4f53\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u8ba9\u6211\u4eec\u7ed8\u5236\u4e00\u4e2a\u4e0a\u4e0b\u6587 DFD\u3002<\/p>\n<ol class=\"postList\">\n<li id=\"7a82\" class=\"graf graf--li graf-after--p\">\u8981\u521b\u5efa DFD\uff0c\u8bf7\u4ece\u5de5\u5177\u680f\u4e2d\u9009\u62e9\u56fe\u8868 &gt; \u65b0\u5efa\u3002<\/li>\n<li id=\"3810\" class=\"graf graf--li graf-after--li\">\u5728 New Diagram \u7a97\u53e3\u4e2d\uff0c\u9009\u62e9\u00a0<em class=\"markup--em markup--li-em\">Data Flow Diagram<\/em>\u00a0\u5e76\u5355\u51fb Next\u3002<\/li>\n<li id=\"aca4\" class=\"graf graf--li graf-after--li\">\u8f93\u5165\u00a0<em class=\"markup--em markup--li-em\">Context Diagram<\/em>\u00a0\u4f5c\u4e3a\u56fe\u8868\u540d\u79f0\uff0c\u7136\u540e\u5355\u51fb OK \u786e\u8ba4\u3002<\/li>\n<li id=\"cf4d\" class=\"graf graf--li graf-after--li\">\u5c06\u56fe\u547d\u540d\u4e3a\u00a0<em class=\"markup--em markup--li-em\">Context Diagram<\/em>\u3002<\/li>\n<li id=\"4020\" class=\"graf graf--li graf-after--li\">\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e3b\u8fdb\u7a0b\u3002\u5c06\u00a0<em class=\"markup--em markup--li-em\">\u6d41\u7a0b<\/em>\u00a0\u4ece\u56fe\u8868\u5de5\u5177\u680f\u62d6\u5230\u56fe\u8868\u3002\u5c06\u5176\u547d\u540d\u4e3a\u00a0<em class=\"markup--em markup--li-em\">Online Bookstore<\/em>\u3002\u6211\u4eec\u5c06\u4ee5\u5728\u7ebf\u4e66\u5e97\u4e3a\u4f8b\uff0c\u5411\u60a8\u5c55\u793a\u5982\u4f55\u521b\u5efa\u591a\u5c42\u6b21 DFD\u3002<\/li>\n<\/ol>\n<figure id=\"576e\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0n2D1H99oy9i7n6O9.png\" data-image-id=\"0*n2D1H99oy9i7n6O9.png\" data-width=\"226\" data-height=\"161\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"8a65\" class=\"graf graf--li graf-after--figure\">\u53ef\u4ee5\u60f3\u8c61\uff0c\u5ba2\u6237\u5c06\u901a\u8fc7\u8be5\u7cfb\u7edf\u8ba2\u8d2d\u4e66\u7c4d\u3002\u56e0\u6b64\uff0c\u5c06\u5916\u90e8\u5b9e\u4f53\u6dfb\u52a0\u5230\u56fe\u8868\u5e76\u5c06\u5176\u547d\u540d\u4e3a\u00a0<em class=\"markup--em markup--li-em\">Customer<\/em>\u3002\u4e0e\u521b\u5efa\u6d41\u7a0b\u4e00\u6837\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06\u5916\u90e8\u5b9e\u4f53\u4ece\u56fe\u8868\u5de5\u5177\u680f\u62d6\u52a8\u5230\u56fe\u8868\u6765\u521b\u5efa\u5916\u90e8\u5b9e\u4f53\u3002<\/li>\n<\/ol>\n<figure id=\"dbcc\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/06QHTuob5rOAMuya.png\" data-image-id=\"0*6QHTuob5rOAMuya_.png\" data-width=\"91\" data-height=\"41\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"d3fb\" class=\"graf graf--li graf-after--figure\">\u6570\u636e\u6d41\u7528\u4e8e\u8868\u793a\u7cfb\u7edf\u4e0d\u540c\u90e8\u5206\u4e4b\u95f4\u7684\u6570\u636e\u79fb\u52a8\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u201c\u8ba2\u5355\u201d\u662f\u5ba2\u6237\u521b\u5efa\u5e76\u63d0\u4ea4\u5230\u7cfb\u7edf\u7684\u6570\u636e\u3002\u56e0\u6b64\uff0c\u521b\u5efa\u4ece\u00a0<em class=\"markup--em markup--li-em\">Customer<\/em>\u00a0\u5230\u00a0<em class=\"markup--em markup--li-em\">Online Bookstore<\/em>\u7684\u6570\u636e\u6d41\u3002\u4e3a\u6b64\uff0c\u8bf7\u5c06\u9f20\u6807\u6307\u9488\u79fb\u5230 Customer \u4e0a\u3002\u62d6\u51fa\u8d44\u6e90\u76ee\u5f55\u6309\u94ae\u3002<\/li>\n<\/ol>\n<figure id=\"5a76\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/03BC09QP2U96GquPX.png\" data-image-id=\"0*3BC09QP2U96GquPX.png\" data-width=\"215\" data-height=\"76\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"4341\" class=\"graf graf--li graf-after--figure\"><em class=\"markup--em markup--li-em\">\u5728Online Bookstore<\/em>\u4e0a\u91ca\u653e\u9f20\u6807\u6309\u94ae\uff0c\u00a0\u00a0\u7136\u540e\u4ece Resource Catalog \u4e2d\u9009\u62e9 Data Flow\u3002\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u6d41\u8fde\u63a5\u5668\u3002<\/li>\n<\/ol>\n<figure id=\"8e38\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0oztuDWf-lLiSFtc3.png\" data-image-id=\"0*oztuDWf-lLiSFtc3.png\" data-width=\"291\" data-height=\"242\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"5061\" class=\"graf graf--li graf-after--figure\">\u5c06\u5176\u547d\u540d\u4e3a\u00a0<em class=\"markup--em markup--li-em\">order<\/em>\u3002<\/li>\n<\/ol>\n<figure id=\"13dd\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0eAvpOqPxRvFHmiAD.png\" data-image-id=\"0*eAvpOqPxRvFHmiAD.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"f92a\" class=\"graf graf--li graf-after--figure\">\u4e66\u5e97\u6700\u7ec8\u4f1a\u5c06\u4e66\u7c4d\u4ea4\u4ed8\u7ed9\u5ba2\u6237\u3002\u5229\u7528\u8d44\u6e90\u76ee\u5f55\u521b\u5efa\u4ece\u00a0<em class=\"markup--em markup--li-em\">Online Bookstore<\/em>\u00a0\u5230\u00a0<em class=\"markup--em markup--li-em\">Customer<\/em>\u7684\u6570\u636e\u6d41\u3002\u547d\u540d\u6d41\u7a0b\u00a0<em class=\"markup--em markup--li-em\">\u6709\u5e8f\u4e66\u7c4d<\/em>\u3002<\/li>\n<\/ol>\n<figure id=\"1284\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0Tv-rIjlNUWtgxFlv.png\" data-image-id=\"0*Tv-rIjlNUWtgxFlv.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"6655\" class=\"graf graf--li graf-after--figure\">\u8fd9\u5c31\u662f\u4e0a\u4e0b\u6587\u56fe\u7684\u5168\u90e8\u5185\u5bb9\u3002\u7531\u4e8e\u6211\u4eec\u5c06\u6574\u4e2a\u7cfb\u7edf\u89c6\u4e3a\u5355\u4e2a\u6d41\u7a0b\uff0c\u56e0\u6b64\u5728\u6b64 DFD \u7ea7\u522b\u4e2d\u53ea\u521b\u5efa\u4e86\u4e00\u4e2a\u6d41\u7a0b\u5f62\u72b6\u3002\u5728\u4e0b\u4e00\u90e8\u5206\u4e2d\uff0c\u60a8\u5c06\u5206\u89e3\u00a0<em class=\"markup--em markup--li-em\">\u5728\u7ebf\u4e66\u5e97<\/em>\u00a0\u6d41\u7a0b\u5e76\u7ed8\u5236\u5176\u7ec6\u8282\u3002<\/li>\n<\/ol>\n<h3 id=\"c44f\" class=\"graf graf--h3 graf-after--li\"><span id=\"Creating_Level_1_DFD\">\u521b\u5efa 1 \u7ea7 DFD<\/span><\/h3>\n<p id=\"97a4\" class=\"graf graf--p graf-after--h3\">\u5728\u672c\u8282\u4e2d\uff0c\u60a8\u5c06\u7ed8\u5236 1 \u7ea7 DFD \u4ee5\u5c55\u793a\u5728\u7ebf\u4e66\u5e97\u7684\u4e3b\u8981\u529f\u80fd\u3002<\/p>\n<ol class=\"postList\">\n<li id=\"a3d3\" class=\"graf graf--li graf-after--p\">\u53f3\u952e\u5355\u51fb\u00a0<em class=\"markup--em markup--li-em\">\u5728\u7ebf\u4e66\u5e97<\/em>\u00a0\uff0c\u7136\u540e\u4ece\u5f39\u51fa\u83dc\u5355\u4e2d\u9009\u62e9\u5206\u89e3\u3002<\/li>\n<\/ol>\n<figure id=\"c779\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0s2so6Ahn1ZTdhq6N.png\" data-image-id=\"0*s2so6Ahn1ZTdhq6N.png\" data-width=\"360\" data-height=\"143\" \/><\/figure>\n<p id=\"2186\" class=\"graf graf--p graf-after--figure\">2. \u8fde\u63a5\u5230\u6240\u9009\u6d41\u7a0b\u7684\u6570\u636e\u5b58\u50a8\u548c\/\u6216\u5916\u90e8\u5b9e\u4f53\u5c06\u5728\u7ea7\u522b 1 DFD \u4e2d\u5f15\u7528\u3002\u56e0\u6b64\uff0c\u5f53\u7cfb\u7edf\u63d0\u793a\u60a8\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230\u65b0\u56fe\u8868\u65f6\uff0c\u8bf7\u5355\u51fb\u201c\u662f\u201d\u8fdb\u884c\u786e\u8ba4\u3002\u8bf7\u6ce8\u610f\uff0c\u65b0\u7684 DFD \u6700\u521d\u770b\u8d77\u6765\u5e94\u8be5\u4e0e\u4e0a\u4e0b\u6587\u56fe\u975e\u5e38\u76f8\u4f3c\u3002\u6bcf\u4e2a\u5143\u7d20\u90fd\u5e94\u8be5\u4fdd\u6301\u4e0d\u53d8\uff0c\u9664\u4e86\u4e3b\u8981\u8fc7\u7a0b\uff08\u8fd9\u4e2a\u65b0\u7684 DFD \u5206\u89e3\u7684\u8fc7\u7a0b\uff09\u73b0\u5728\u5df2\u7ecf\u6d88\u5931\u5e76\u88ab\u4e00\u4e2a\u7a7a\u767d\u533a\u57df\u66ff\u6362\uff08\u5f85\u8be6\u7ec6\u8bf4\u660e\uff09\u3002<\/p>\n<p id=\"0c9d\" class=\"graf graf--p graf-after--p\">3. \u53f3\u952e\u5355\u51fb\u200b\u200b\u56fe\u8868\u80cc\u666f\uff0c\u7136\u540e\u4ece\u5f39\u51fa\u83dc\u5355\u4e2d\u9009\u62e9\u91cd\u547d\u540d&#8230;\u3002\u5c06\u56fe\u8868\u547d\u540d\u4e3a\u00a0<em class=\"markup--em markup--p-em\">Level 1 DFD<\/em>\u3002<\/p>\n<p id=\"4ab2\" class=\"graf graf--p graf-after--p\">4. \u6709\u4e00\u4e2a\u63a5\u6536\u5ba2\u6237\u8ba2\u5355\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u7684\u6d41\u7a0b\u3002\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6d41\u7a0b\u00a0<em class=\"markup--em markup--p-em\">Receive Order<\/em>\u00a0\u548c\u4e00\u4e2a\u6570\u636e\u5b58\u50a8\u00a0<em class=\"markup--em markup--p-em\">Orders<\/em>\u3002\u5728\u4e24\u8005\u4e4b\u95f4\u6dfb\u52a0\u6570\u636e\u6d41\u3002<\/p>\n<figure id=\"dd47\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/09RA6eQStzvtLobIL.png\" data-image-id=\"0*9RA6eQStzvtLobIL.png\" data-width=\"497\" data-height=\"75\" \/><\/figure>\n<p id=\"ec5b\" class=\"graf graf--p graf-after--figure\">5.\u5f53\u8ba2\u5355\u65e0\u6548\u65f6\uff0c\u5e94\u8be5\u6709\u53e6\u4e00\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u8054\u7cfb\u5ba2\u6237\u5e76\u6f84\u6e05\u4ed6\/\u5979\u7684\u9700\u6c42\u3002\u521b\u5efa\u4e00\u4e2a\u6d41\u7a0b\u00a0<em class=\"markup--em markup--p-em\">\u5904\u7406\u65e0\u6548\u8ba2\u5355<\/em>\u3002\u5728\u5f62\u72b6\u4e4b\u95f4\u6dfb\u52a0\u5408\u9002\u7684\u6570\u636e\u6d41\u3002\u5728\u8fd9\u91cc\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u53cc\u5411\u6570\u636e\u6d41\u6765\u8868\u793a\u5bf9\u8bdd\u6d41\u3002<\/p>\n<figure id=\"c851\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0KqMHntEa7_RpEXQx.png\" data-image-id=\"0*KqMHntEa7_RpEXQx.png\" data-width=\"494\" data-height=\"211\" \/><\/figure>\n<p id=\"9ea7\" class=\"graf graf--p graf-after--figure\">6. \u8fd8\u6709\u53e6\u4e00\u4e2a\u5904\u7406\u88c5\u8fd0\u7684\u8fc7\u7a0b\u3002\u521b\u5efa\u00a0<em class=\"markup--em markup--p-em\">\u53d1\u8d27\u8ba2\u5355<\/em>\u00a0\u6d41\u7a0b\u3002\u540c\u6837\uff0c\u5728\u5f62\u72b6\u4e4b\u95f4\u6dfb\u52a0\u9002\u5f53\u7684\u6570\u636e\u6d41\u3002<\/p>\n<figure id=\"db29\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0v8gBllrH0AXM5sCq.png\" data-image-id=\"0*v8gBllrH0AXM5sCq.png\" data-width=\"491\" data-height=\"341\" \/><\/figure>\n<p id=\"fc73\" class=\"graf graf--p graf-after--figure\">\u8fd9\u5c31\u662f\u672c\u6559\u7a0b\u7684\u5168\u90e8\u5185\u5bb9\u3002\u6839\u636e\u611f\u5174\u8da3\u7684\u533a\u57df\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u66f4\u591a\u7ea7\u522b\u4ee5\u66f4\u8be6\u7ec6\u5730\u663e\u793a\u7cfb\u7edf\u3002\u53ef\u4ee5\u60f3\u8c61\uff0c\u00a0\u00a0<em class=\"markup--em markup--p-em\">Ship Order<\/em>\u00a0\u6d41\u7a0b\u53ef\u4ee5\u7ec6\u5316\u4e3a\u66f4\u5c0f\u7684\u529f\u80fd\u5355\u5143\uff08\u6d41\u7a0b\uff09\uff0c\u5982\u5305\u88c5\u3001\u51c6\u5907\u53d1\u7968\u3001\u5b89\u6392\u4ea4\u4ed8\u7b49\u3002<\/p>\n<h4 id=\"3406\" class=\"graf graf--h4 graf-after--p\"><span id=\"Try_it_Yourself_with_Visual_Paradigm_Online\"><a class=\"markup--anchor markup--h4-anchor\" href=\"http:\/\/online.visual-paradigm.com\/\" target=\"_blank\" rel=\"noopener\" data-href=\"http:\/\/online.visual-paradigm.com\">\u4f7f\u7528Visual Paradigm Online<\/a>\u4eb2\u81ea\u5c1d\u8bd5\u00a0<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"21d0\" class=\"graf graf--li graf-after--h4\">\u5728\u7ebf\u6570\u636e\u6d41\u56fe\u8f6f\u4ef6\u4e2d\u53ef\u7f16\u8f91\u7684\u514d\u8d39\u6570\u636e\u6d41\u56fe\u793a\u4f8b\u548c\u6a21\u677f\uff1aVisual Paradigm Online\u3002<\/li>\n<li id=\"3ce1\" class=\"graf graf--li graf-after--li\">\u4f7f\u7528\u6a21\u677f\u4f5c\u4e3a\u8d77\u70b9\u6765\u521b\u5efa\u60a8\u81ea\u5df1\u7684\u6570\u636e\u6d41\u56fe\u3002<\/li>\n<\/ul>\n<p id=\"54f6\" class=\"graf graf--p graf-after--li\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\">\u8bc1\u5238\u4ea4\u6613\u5e73\u53f0<\/a><\/p>\n<figure id=\"a13c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0rbzBIwWHuRH-KJOI.png\" data-image-id=\"0*rbzBIwWHuRH-KJOI.png\" data-width=\"653\" data-height=\"470\" \/><\/figure>\n<p id=\"23ec\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\">\u70b9\u9910\u7cfb\u7edf<\/a><\/p>\n<figure id=\"e2c6\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0300P6odV-nUo_k_t.png\" data-image-id=\"0*300P6odV-nUo_k_t.png\" data-width=\"605\" data-height=\"423\" \/><\/figure>\n<p id=\"24ed\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\">\u5ba2\u6237\u670d\u52a1\u7cfb\u7edf\uff08\u94c1\u8def\u516c\u53f8\uff09<\/a><\/p>\n<figure id=\"5142\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0imjok1ph4eHqkic.png\" data-image-id=\"0*imjok1ph4eHqkic_.png\" data-width=\"757\" data-height=\"531\" \/><\/figure>\n<p id=\"181a\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\">\u8d85\u5e02\u5e94\u7528<\/a><\/p>\n<figure id=\"5feb\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/cn\/wp-content\/uploads\/sites\/6\/2022\/02\/0oxM6uHr-GqgHzBo5.png\" data-image-id=\"0*oxM6uHr-GqgHzBo5.png\" data-width=\"716\" data-height=\"561\" \/><\/figure>\n<h4 id=\"2511\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Other_Recommended_DFD_Articles\">\u5176\u4ed6\u63a8\u8350\u7684 DFD \u6587\u7ae0<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"d7d0\" class=\"graf graf--li graf-after--h4\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\">\u4ec0\u4e48\u662f\u6570\u636e\u6d41\u56fe\uff08DFD\uff09\uff1f\u5982\u4f55\u7ed8\u5236DFD\uff1f<\/a><\/li>\n<li id=\"634e\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" 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