{"id":6618,"date":"2026-02-05T12:30:44","date_gmt":"2026-02-05T04:30:44","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/understanding-sequence-diagrams-a-visual-blueprint-of-software-interactions\/"},"modified":"2026-02-05T12:30:44","modified_gmt":"2026-02-05T04:30:44","slug":"understanding-sequence-diagrams-a-visual-blueprint-of-software-interactions","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/understanding-sequence-diagrams-a-visual-blueprint-of-software-interactions\/","title":{"rendered":"\u7406\u89e3\u5e8f\u5217\u56fe\uff1a\u8f6f\u4ef6\u4ea4\u4e92\u7684\u53ef\u89c6\u5316\u84dd\u56fe"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u6709\u6548\u7684\u6c9f\u901a\u4e0e\u534f\u4f5c\u81f3\u5173\u91cd\u8981\u3002\u5f00\u53d1\u8005\u3001\u8bbe\u8ba1\u5e08\u548c\u5229\u76ca\u76f8\u5173\u8005\u5fc5\u987b\u65e0\u7f1d\u534f\u4f5c\uff0c\u4ee5\u521b\u5efa\u5f3a\u5927\u4e14\u9ad8\u6548\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002\u53ef\u89c6\u5316\u548c\u8bb0\u5f55\u8fd9\u4e9b\u4ea4\u4e92\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\u5c31\u662f\u5e8f\u5217\u56fe\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5e8f\u5217\u56fe\u7684\u4e16\u754c\uff0c\u63a2\u7d22\u5176\u76ee\u7684\u3001\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u521b\u5efa\u5b83\u4eec\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u5e8f\u5217\u56fe\uff1f<\/h2>\n<p>\u5e8f\u5217\u56fe\u662f\u8f6f\u4ef6\u7cfb\u7edf\u4e2d\u5404\u4e2a\u5bf9\u8c61\u6216\u7ec4\u4ef6\u5728\u7279\u5b9a\u65f6\u95f4\u6bb5\u5185\u4ea4\u4e92\u7684\u56fe\u5f62\u5316\u8868\u793a\u3002\u5b83\u63d0\u4f9b\u4e86\u4e0d\u540c\u5143\u7d20\u5982\u4f55\u76f8\u4e92\u901a\u4fe1\u4ee5\u5b9e\u73b0\u7279\u5b9a\u76ee\u6807\u6216\u6267\u884c\u7279\u5b9a\u529f\u80fd\u7684\u8be6\u7ec6\u89c6\u56fe\u3002\u5e8f\u5217\u56fe\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u7684\u4e00\u90e8\u5206\uff0c\u662f\u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458\u3001\u67b6\u6784\u5e08\u548c\u5176\u4ed6\u5229\u76ca\u76f8\u5173\u8005\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<h2>\u5e8f\u5217\u56fe\u7684\u7ec4\u6210\u90e8\u5206<\/h2>\n<p><strong>\u751f\u547d\u7ebf\uff1a<\/strong>\u751f\u547d\u7ebf\u4ee3\u8868\u53c2\u4e0e\u4ea4\u4e92\u7684\u5bf9\u8c61\u6216\u5b9e\u4f53\u3002\u8fd9\u4e9b\u53ef\u4ee5\u662f\u7c7b\u3001\u53c2\u4e0e\u8005\u6216\u7ec4\u4ef6\u3002\u6bcf\u4e2a\u751f\u547d\u7ebf\u4ee5\u4e00\u6761\u5782\u76f4\u7684\u865a\u7ebf\u8868\u793a\uff0c\u5176\u4f4d\u7f6e\u4ece\u4e0a\u5230\u4e0b\u6839\u636e\u5176\u5728\u5e8f\u5217\u4e2d\u7684\u53c2\u4e0e\u7a0b\u5ea6\u6392\u5217\u3002<\/p>\n<p>\u00a0<\/p>\n<p><img alt=\"Lifelines\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/1_01-lifelines.png\"\/><\/p>\n<p><strong>\u6d88\u606f\uff1a<\/strong>\u6d88\u606f\u662f\u751f\u547d\u7ebf\u4e4b\u95f4\u7684\u52a8\u4f5c\u6216\u4ea4\u4e92\u3002\u5b83\u4eec\u901a\u8fc7\u8fde\u63a5\u751f\u547d\u7ebf\u7684\u7bad\u5934\u6765\u8868\u793a\u3002\u6d88\u606f\u53ef\u4ee5\u5206\u4e3a\u591a\u79cd\u7c7b\u578b\uff0c\u5982\u540c\u6b65\u6d88\u606f\u3001\u5f02\u6b65\u6d88\u606f\u3001\u81ea\u6d88\u606f\u548c\u8fd4\u56de\u6d88\u606f\uff0c\u6bcf\u79cd\u7c7b\u578b\u4f20\u8fbe\u4ea4\u4e92\u7684\u4e0d\u540c\u65b9\u9762\u3002<\/p>\n<p>\u5728\u5e8f\u5217\u56fe\u9886\u57df\uff0c\u7ebf\u578b\u548c\u7bad\u5934\u6837\u5f0f\u4f20\u8fbe\u4e86\u6240\u4f7f\u7528\u6d88\u606f\u6027\u8d28\u7684\u5173\u952e\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li><strong>\u540c\u6b65\u6d88\u606f\uff08\u901a\u5e38\u662f\u64cd\u4f5c\u8c03\u7528\uff09<\/strong>\n<ul>\n<li><em>\u8868\u793a\uff1a<\/em>\u8fd9\u4e9b\u6d88\u606f\u901a\u8fc7\u5e26\u6709\u5b9e\u5fc3\u7bad\u5934\u7684\u5b9e\u7ebf\u8868\u793a\u3002<\/li>\n<li><em>\u76ee\u7684\uff1a<\/em>\u540c\u6b65\u6d88\u606f\u8868\u793a\u53d1\u9001\u65b9\u4e0e\u63a5\u6536\u65b9\u4e4b\u95f4\u7684\u5e38\u89c4\u901a\u4fe1\uff0c\u901a\u5e38\u8868\u793a\u7cfb\u7edf\u5185\u64cd\u4f5c\u6216\u65b9\u6cd5\u8c03\u7528\u7684\u8c03\u7528\u3002<\/li>\n<li><em>\u793a\u4f8b\uff1a<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img alt=\"Lifelines with synchronous message\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/1_02-lifelines-with-synchronous-message.png\"\/><\/p>\n<p>\u00a0<\/p>\n<ul>\n<li><strong>\u8fd4\u56de\u6d88\u606f<\/strong>\n<ul>\n<li><em>\u8868\u793a\uff1a<\/em>\u8fd4\u56de\u6d88\u606f\u4f7f\u7528\u5e26\u6709\u7a7a\u5fc3\u7bad\u5934\u7684\u865a\u7ebf\u8868\u793a\u3002<\/li>\n<li><em>\u76ee\u7684\uff1a<\/em>\u8fd9\u4e9b\u6d88\u606f\u8868\u793a\u63a7\u5236\u6743\u6216\u4fe1\u606f\u4ece\u63a5\u6536\u65b9\u8fd4\u56de\u5230\u53d1\u9001\u65b9\u3002\u5b83\u4eec\u901a\u5e38\u7d27\u8ddf\u5728\u4e4b\u524d\u7684\u540c\u6b65\u6d88\u606f\u4e4b\u540e\u3002<\/li>\n<li><em>\u793a\u4f8b\uff1a<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img alt=\"Lifelines with return message\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/03-lifelines-with-return-message.png\"\/><\/p>\n<ul>\n<li><strong>\u5f02\u6b65\u6d88\u606f<\/strong><\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><em>\u8868\u793a\uff1a<\/em>\u5f02\u6b65\u6d88\u606f\u4ee5\u5e26\u6709\u7a7a\u5fc3\u7bad\u5934\u7684\u5b9e\u7ebf\u8868\u793a\u3002<\/li>\n<li><em>\u76ee\u7684\uff1a<\/em>\u5b83\u4eec\u8868\u793a\u5728\u4e0d\u7b49\u5f85\u7acb\u5373\u54cd\u5e94\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\u7684\u6d88\u606f\u3002\u5f02\u6b65\u6d88\u606f\u901a\u5e38\u7528\u4e8e\u4f20\u8fbe\u7cfb\u7edf\u5185\u7684\u4e8b\u4ef6\u6216\u4fe1\u53f7\u3002<\/li>\n<li><em>\u793a\u4f8b\uff1a<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img alt=\"Lifelines with asynchronous\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/04-lifelines-with-asynchronous-message.png\"\/><\/p>\n<ul>\n<li><strong>\u521b\u5efa\u4e0e\u9500\u6bc1\u6d88\u606f\uff1a\u7ba1\u7406\u53c2\u4e0e\u8005<\/strong><\/li>\n<\/ul>\n<p>\u5728\u5e8f\u5217\u56fe\u7684\u4e16\u754c\u4e2d\uff0c\u53c2\u4e0e\u8005\u5e76\u4e0d\u603b\u662f\u8d2f\u7a7f\u6574\u4e2a\u4ea4\u4e92\u8fc7\u7a0b\u3002\u76f8\u53cd\uff0c\u53c2\u4e0e\u8005\u53ef\u4ee5\u6839\u636e\u5e8f\u5217\u671f\u95f4\u4ea4\u6362\u7684\u6d88\u606f\u52a8\u6001\u5730\u521b\u5efa\u548c\u79fb\u9664\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>\u6784\u9020\u51fd\u6570\u6d88\u606f\uff1a\u53c2\u4e0e\u8005\u7684\u8bde\u751f<\/strong>\n<ul>\n<li><em>\u521b\u5efa\uff1a<\/em>\u6784\u9020\u51fd\u6570\u6d88\u606f\u8d1f\u8d23\u5728\u5e8f\u5217\u56fe\u4e2d\u751f\u6210\u4e00\u4e2a\u65b0\u53c2\u4e0e\u8005\uff0c\u5373\u63a5\u6536\u8005\u3002<\/li>\n<li><em>\u4f4d\u7f6e\uff1a<\/em>\u5728\u4ea4\u4e92\u5f00\u59cb\u65f6\u5df2\u5b58\u5728\u7684\u53c2\u4e0e\u8005\u4f4d\u4e8e\u56fe\u7684\u9876\u90e8\u3002\u76f8\u53cd\uff0c\u901a\u8fc7\u6784\u9020\u51fd\u6570\u8c03\u7528\u5728\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u88ab\u6fc0\u6d3b\u7684\u76ee\u6807\u4f1a\u81ea\u52a8\u653e\u7f6e\u5728\u56fe\u7684\u4e0b\u65b9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u6784\u9020\u51fd\u6570\u6d88\u606f\u5bf9\u4e8e\u5c55\u793a\u65b0\u5143\u7d20\u5982\u4f55\u8fdb\u5165\u5e8f\u5217\u5e76\u6210\u4e3a\u6b63\u5728\u8fdb\u884c\u7684\u4ea4\u4e92\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u81f3\u5173\u91cd\u8981\uff0c\u4ece\u800c\u4e30\u5bcc\u4e86\u5e8f\u5217\u56fe\u7684\u52a8\u6001\u7279\u6027\u3002<\/p>\n<p><img alt=\"Lifelines with constructor\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/05-lifelines-with-constructor.png\"\/><\/p>\n<ul>\n<li><strong>\u6790\u6784\u51fd\u6570\u6d88\u606f\uff1a\u53c2\u4e0e\u8005\u7684\u544a\u522b<\/strong><\/li>\n<\/ul>\n<p>\u5728\u5e8f\u5217\u56fe\u9886\u57df\u4e2d\uff0c\u6790\u6784\u51fd\u6570\u6d88\u606f\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5373\u4ece\u6b63\u5728\u8fdb\u884c\u7684\u4ea4\u4e92\u4e2d\u79fb\u9664\u6216\u201c\u9500\u6bc1\u201d\u4e00\u4e2a\u53c2\u4e0e\u8005\u3002\u5f53\u8c03\u7528\u6790\u6784\u51fd\u6570\u6d88\u606f\u65f6\uff0c\u8868\u793a\u8be5\u53c2\u4e0e\u8005\u5728\u5e8f\u5217\u4e2d\u7684\u53c2\u4e0e\u7ed3\u675f\u3002<\/p>\n<p>\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5b58\u5728\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u8868\u793a\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u76ee\u6807\u7684\u9500\u6bc1\u3002\u5f53\u76ee\u6807\u7684\u9500\u6bc1\u88ab\u8bbe\u7f6e\u4e3a\u201c\u5728\u6790\u6784\u51fd\u6570\u4e4b\u540e\u201d\u65f6\uff0c\u624d\u4f1a\u7279\u522b\u4f7f\u7528\u6790\u6784\u51fd\u6570\u6d88\u606f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u53ea\u6709\u5f53\u53c2\u4e0e\u8005\u5728\u6790\u6784\u51fd\u6570\u6d88\u606f\u6267\u884c\u4e4b\u540e\u624d\u88ab\u79fb\u9664\u65f6\uff0c\u624d\u9700\u8981\u4f7f\u7528\u6790\u6784\u51fd\u6570\u6d88\u606f\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u5f97\u5728\u5e8f\u5217\u56fe\u4e2d\u8868\u793a\u53c2\u4e0e\u8005\u751f\u547d\u5468\u671f\u66f4\u5177\u7075\u6d3b\u6027\uff0c\u80fd\u591f\u9002\u5e94\u53c2\u4e0e\u8005\u5728\u4e0d\u540c\u65f6\u95f4\u70b9\u9000\u51fa\u4ea4\u4e92\u7684\u5404\u79cd\u573a\u666f\uff0c\u786e\u4fdd\u7cfb\u7edf\u884c\u4e3a\u7684\u6e05\u6670\u4e14\u53ef\u9002\u5e94\u7684\u53ef\u89c6\u5316\u3002<\/p>\n<p><img alt=\"Lifelines with destructor\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/06-lifelines-with-desstructor.png\"\/><\/p>\n<ul>\n<li><strong>\u975e\u77ac\u65f6\u6d88\u606f\uff1a\u65f6\u95f4\u81f3\u5173\u91cd\u8981<\/strong><\/li>\n<\/ul>\n<p>\u5728\u5e8f\u5217\u56fe\u9886\u57df\u4e2d\uff0c\u6d88\u606f\u901a\u5e38\u88ab\u89c6\u4e3a\u77ac\u65f6\u7684\uff0c\u610f\u5473\u7740\u5b83\u4eec\u51e0\u4e4e\u77ac\u95f4\u4f20\u8f93\u548c\u63a5\u6536\uff0c\u5ef6\u8fdf\u53ef\u5ffd\u7565\u4e0d\u8ba1\u3002\u8fd9\u7c7b\u6d88\u606f\u7528\u4e00\u6761\u7b80\u5355\u7684\u6c34\u5e73\u7bad\u5934\u8868\u793a\uff0c\u8868\u660e\u53d1\u9001\u8005\u4e0e\u63a5\u6536\u8005\u4e4b\u95f4\u7684\u5feb\u901f\u901a\u4fe1\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u573a\u666f\u4e2d\uff0c\u6709\u5fc5\u8981\u8868\u660e\u63a5\u6536\u8005\u5728\u5b9e\u9645\u63a5\u6536\u5230\u6d88\u606f\u4e4b\u524d\u5b58\u5728\u660e\u663e\u7684\u5ef6\u8fdf\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f1a\u4f7f\u7528\u4e00\u79cd\u7279\u6b8a\u7684\u89c6\u89c9\u63d0\u793a\uff1a\u503e\u659c\u7684\u7bad\u5934\u3002<\/p>\n<p>\u503e\u659c\u7684\u7bad\u5934\u6709\u6548\u5730\u4f20\u8fbe\u4e86\u6d88\u606f\u4f20\u9012\u5230\u63a5\u6536\u8005\u65f6\u5b58\u5728\u663e\u8457\u5ef6\u8fdf\u3002\u8fd9\u79cd\u7ec6\u81f4\u7684\u8868\u793a\u65b9\u5f0f\u786e\u4fdd\u4e86\u4ea4\u4e92\u7684\u65f6\u95f4\u65b9\u9762\u88ab\u51c6\u786e\u5448\u73b0\uff0c\u589e\u5f3a\u4e86\u5e8f\u5217\u56fe\u7684\u53ef\u7406\u89e3\u6027\uff0c\u5e76\u66f4\u7cbe\u786e\u5730\u53cd\u6620\u4e86\u7cfb\u7edf\u7684\u65f6\u5e8f\u52a8\u6001\u3002<\/p>\n<p><img alt=\"Lifelines with instantaneous message\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/07-lifelines-with-instantaneous-message.png\"\/><\/p>\n<p>\u00a0<\/p>\n<ul>\n<li><strong>\u6fc0\u6d3b\u6761\uff1a<\/strong>\u6fc0\u6d3b\u6761\u6216\u6fc0\u6d3b\u77e9\u5f62\u8868\u793a\u751f\u547d\u7ebf\u5728\u4ea4\u4e92\u4e2d\u5904\u4e8e\u6d3b\u8dc3\u72b6\u6001\u7684\u65f6\u6bb5\u3002\u5b83\u4eec\u4ee5\u4ece\u751f\u547d\u7ebf\u5782\u76f4\u865a\u7ebf\u5ef6\u4f38\u51fa\u7684\u5b9e\u7ebf\u6216\u77e9\u5f62\u5f62\u5f0f\u51fa\u73b0\u3002\u6fc0\u6d3b\u6761\u6709\u52a9\u4e8e\u53ef\u89c6\u5316\u5bf9\u8c61\u5728\u7279\u5b9a\u4ea4\u4e92\u4e2d\u7684\u53c2\u4e0e\u65f6\u957f\u3002<\/li>\n<li><strong>\u63a7\u5236\u7126\u70b9\uff1a<\/strong>\u63a7\u5236\u7126\u70b9\u7bad\u5934\u662f\u4e00\u79cd\u89c6\u89c9\u8f85\u52a9\u5de5\u5177\uff0c\u7528\u4e8e\u663e\u793a\u5f53\u524d\u54ea\u4e2a\u751f\u547d\u7ebf\u6b63\u5728\u63a7\u5236\u4ea4\u4e92\u3002\u5728\u63cf\u7ed8\u6d89\u53ca\u591a\u4e2a\u751f\u547d\u7ebf\u7684\u590d\u6742\u573a\u666f\u65f6\u5c24\u5176\u6709\u7528\u3002<\/li>\n<li><strong>\u8fed\u4ee3\u7b26\u53f7\uff1a\u91cd\u590d\u6d88\u606f<\/strong><\/li>\n<\/ul>\n<p>\u5728\u5e8f\u5217\u56fe\u9886\u57df\u4e2d\uff0c\u8fed\u4ee3\u7b26\u53f7\u5728\u5c55\u793a\u5411\u591a\u4e2a\u63a5\u6536\u8005\u5bf9\u8c61\u591a\u6b21\u53d1\u9001\u6d88\u606f\u7684\u91cd\u590d\u884c\u4e3a\u65b9\u9762\u8d77\u7740\u5173\u952e\u4f5c\u7528\u3002\u5f53\u63cf\u7ed8\u6d89\u53ca\u5bf9\u4e00\u7ec4\u5bf9\u8c61\u8fdb\u884c\u8fed\u4ee3\u7684\u573a\u666f\u65f6\uff0c\u8be5\u7b26\u53f7\u5c24\u4e3a\u6709\u7528\u3002<\/p>\n<p>\u8fed\u4ee3\u7b26\u53f7\u7684\u6838\u5fc3\u5728\u4e8e\u5b83\u80fd\u591f\u5728\u65b9\u62ec\u53f7\u5185\u6807\u660e\u8fed\u4ee3\u7684\u57fa\u7840\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528*[for all order lines]\u6765\u8868\u793a\u7279\u5b9a\u6d88\u606f\u88ab\u8fed\u4ee3\u5730\u53d1\u9001\u5230\u201c\u8ba2\u5355\u884c\u201d\u96c6\u5408\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u7528\u8fed\u4ee3\u7b26\u53f7\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4f20\u8fbe\u5bf9\u4e00\u7ec4\u5bf9\u8c61\u6216\u5143\u7d20\u8fdb\u884c\u8fed\u4ee3\u7684\u6982\u5ff5\uff0c\u7a81\u51fa\u5e8f\u5217\u56fe\u4e2d\u6d88\u606f\u4ea4\u6362\u7684\u91cd\u590d\u6027\u3002\u8fd9\u79cd\u7b26\u53f7\u589e\u5f3a\u4e86\u56fe\u8868\u7684\u6e05\u6670\u5ea6\u548c\u7cbe\u786e\u6027\uff0c\u4f7f\u6d89\u53ca\u91cd\u590d\u52a8\u4f5c\u7684\u590d\u6742\u4ea4\u4e92\u66f4\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n<p><strong>\u7ea6\u675f\u548c\u6ce8\u91ca\uff1a<\/strong>\u5e8f\u5217\u56fe\u53ef\u4ee5\u5305\u542b\u6ce8\u91ca\u3001\u7ea6\u675f\u548c\u8bc4\u8bba\uff0c\u4ee5\u63d0\u4f9b\u989d\u5916\u7684\u4fe1\u606f\u548c\u4e0a\u4e0b\u6587\uff0c\u4fbf\u4e8e\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n<h2>\u521b\u5efa\u6709\u6548\u7684\u5e8f\u5217\u56fe<\/h2>\n<p>\u4e3a\u4e86\u521b\u5efa\u6709\u6548\u7684\u5e8f\u5217\u56fe\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ol>\n<li><strong>\u4fdd\u6301\u7b80\u6d01\uff1a<\/strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\u3002\u4e13\u6ce8\u4e8e\u5c55\u793a\u5173\u952e\u7684\u4ea4\u4e92\u548c\u5173\u7cfb\uff0c\u4e0d\u8981\u7528\u8fc7\u591a\u7ec6\u8282\u4f7f\u56fe\u8868\u8fc7\u4e8e\u7e41\u6742\u3002<\/li>\n<li><strong>\u4f7f\u7528\u63cf\u8ff0\u6027\u540d\u79f0\uff1a<\/strong> \u786e\u4fdd\u751f\u547d\u7ebf\u548c\u6d88\u606f\u7684\u540d\u79f0\u6e05\u6670\u4e14\u5177\u6709\u63cf\u8ff0\u6027\u3002\u8fd9\u6709\u52a9\u4e8e\u4efb\u4f55\u5ba1\u67e5\u56fe\u8868\u7684\u4eba\u8f7b\u677e\u7406\u89e3\u4e0a\u4e0b\u6587\u3002<\/li>\n<li><strong>\u5c06\u76f8\u5173\u4ea4\u4e92\u5206\u7ec4\uff1a<\/strong> \u5c06\u76f8\u5173\u4ea4\u4e92\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5e76\u4f7f\u7528\u62ec\u53f7\u6216\u5bb9\u5668\u6765\u89c6\u89c9\u5316\u5730\u8868\u793a\u8fd9\u4e9b\u7ec4\u3002\u8fd9\u53ef\u4ee5\u589e\u5f3a\u56fe\u8868\u7684\u6e05\u6670\u5ea6\u3002<\/li>\n<li><strong>\u6ce8\u610f\u987a\u5e8f\uff1a<\/strong> \u6d88\u606f\u7684\u987a\u5e8f\u5e94\u51c6\u786e\u53cd\u6620\u4ea4\u4e92\u7684\u65f6\u95f4\u987a\u5e8f\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u7cfb\u7edf\u7684\u6d41\u7a0b\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>\u8003\u8651\u66ff\u4ee3\u8def\u5f84\uff1a<\/strong> 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alt=\"Sequence Diagram example\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/08-sequence-diagram-example.png\"\/><\/p>\n<p>\u00a0<\/p>\n<p id=\"RlSGEmy\"><strong>\u5e8f\u5217\u7247\u6bb5\uff1a\u5728UML\u5e8f\u5217\u56fe\u4e2d\u53ef\u89c6\u5316\u590d\u6742\u6027<\/strong><\/p>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-blikc-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-blikc-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-25\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>\u5728UML\u5e8f\u5217\u56fe\u4e2d\uff0c\u7ec4\u5408\u7247\u6bb5\u7684\u6982\u5ff5\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u673a\u5236\uff0c\u7528\u4e8e\u5c55\u793a\u6d89\u53ca\u5faa\u73af\u3001\u5206\u652f\u548c\u66ff\u4ee3\u8def\u5f84\u7684\u590d\u6742\u573a\u666f\u3002\u7ec4\u5408\u7247\u6bb5\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u4ea4\u4e92\u64cd\u4f5c\u6570\u7684\u5bb9\u5668\u3002\u8fd9\u4e9b\u4ea4\u4e92\u64cd\u4f5c\u6570\u53cd\u8fc7\u6765\u5c01\u88c5\u4e86\u5404\u79cd\u6d88\u606f\u3001\u4ea4\u4e92\u4f7f\u7528\uff0c\u751a\u81f3\u5176\u4ed6\u7ec4\u5408\u7247\u6bb5\u3002<\/p>\n<p><strong>\u5e8f\u5217\u7247\u6bb5\u7684\u8868\u793a<\/strong><\/p>\n<p>\u5728\u5e8f\u5217\u56fe\u4e2d\uff0c\u5e8f\u5217\u7247\u6bb5\u4ee5\u4e00\u4e2a\u88ab\u79f0\u4e3a\u201c\u7ec4\u5408\u7247\u6bb5\u201d\u7684\u76d2\u5b50\u6765\u89c6\u89c9\u5316\u8868\u793a\u3002\u8fd9\u4e2a\u76d2\u5b50\u5305\u56f4\u4e86\u5e8f\u5217\u56fe\u4e2d\u53d1\u751f\u7684\u7279\u5b9a\u4ea4\u4e92\u90e8\u5206\uff0c\u4ece\u800c\u4e3a\u5c01\u88c5\u7684\u4ea4\u4e92\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u8fb9\u754c\u3002<\/p>\n<p><strong>\u7247\u6bb5\u64cd\u4f5c\u7b26\uff1a\u5b9a\u4e49\u4ea4\u4e92\u7684\u6027\u8d28<\/strong><\/p>\n<p>\u7ec4\u5408\u7247\u6bb5\u7684\u6838\u5fc3\u662f\u4f4d\u4e8e\u7247\u6bb5\u5de6\u4e0a\u89d2\u7684\u7247\u6bb5\u64cd\u4f5c\u7b26\u3002\u8be5\u64cd\u4f5c\u7b26\u4f5c\u4e3a\u5173\u952e\u6307\u793a\u5668\uff0c\u6307\u660e\u7247\u6bb5\u7684\u7c7b\u578b\u6216\u6027\u8d28\u3002\u60a8\u53ef\u4f7f\u7528\u7684\u5404\u79cd\u7247\u6bb5\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>ref:<\/strong> \u6307\u5728\u53e6\u4e00\u4e2a\u56fe\u4e0a\u5b9a\u4e49\u7684\u4ea4\u4e92\u3002\u5b83\u672c\u8d28\u4e0a\u5f15\u7528\u4e86\u4e00\u4e2a\u5916\u90e8\u4ea4\u4e92\uff0c\u7b80\u5316\u4e86\u5728\u987a\u5e8f\u56fe\u4e2d\u590d\u6742\u4ea4\u4e92\u7684\u8868\u793a\u3002<\/li>\n<li><strong> \u65ad\u8a00\uff1a<\/strong> \u8868\u793a\u5fc5\u987b\u5728\u5c01\u95ed\u4ea4\u4e92\u4e2d\u6ee1\u8db3\u7684\u65ad\u8a00\u6216\u6761\u4ef6\u3002\u5b83\u786e\u4fdd\u5728\u4e8b\u4ef6\u5e8f\u5217\u8fc7\u7a0b\u4e2d\u6ee1\u8db3\u67d0\u4e9b\u6761\u4ef6\u3002<\/li>\n<li><strong> \u5faa\u73af\uff1a<\/strong> \u8868\u793a\u5faa\u73af\uff0c\u8868\u660e\u5c01\u95ed\u7684\u4ea4\u4e92\u5e94\u88ab\u8fed\u4ee3\u6267\u884c\u6307\u5b9a\u6b21\u6570\u3002\u5b83\u4f53\u73b0\u4e86\u5e8f\u5217\u4e2d\u7684\u91cd\u590d\u884c\u4e3a\u3002<\/li>\n<li><strong> \u4e2d\u65ad\uff1a<\/strong> \u8868\u793a\u5e8f\u5217\u4e2d\u7684\u4e2d\u65ad\uff0c\u901a\u5e38\u7528\u4e8e\u9000\u51fa\u5faa\u73af\u6216\u63d0\u524d\u7ec8\u6b62\u91cd\u590d\u8fc7\u7a0b\u3002<\/li>\n<li><strong> \u9009\u62e9\uff1a<\/strong> \u8868\u793a\u66ff\u4ee3\u8def\u5f84\u6216\u6761\u4ef6\u5206\u652f\u3002\u5b83\u5141\u8bb8\u4f60\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u6216\u51b3\u7b56\u63cf\u7ed8\u591a\u79cd\u573a\u666f\u3002<\/li>\n<li><strong> \u53ef\u9009\uff1a<\/strong> \u8868\u793a\u201c\u53ef\u9009\u201d\uff0c\u610f\u5473\u7740\u7247\u6bb5\u5185\u7684\u4ea4\u4e92\u53ef\u80fd\u53d1\u751f\uff0c\u4e5f\u53ef\u80fd\u4e0d\u53d1\u751f\uff0c\u53d6\u51b3\u4e8e\u67d0\u4e9b\u6761\u4ef6\u3002<\/li>\n<li><strong> \u5426\u5b9a\uff1a<\/strong> \u8868\u793a\u5426\u5b9a\u6761\u4ef6\u6216\u65e0\u6548\u4ea4\u4e92\u573a\u666f\u3002\u5b83\u7a81\u51fa\u4e86\u67d0\u4e9b\u4ea4\u4e92\u4e0d\u5e94\u53d1\u751f\u7684\u573a\u666f\u3002<\/li>\n<li><strong> \u987a\u5e8f\u56fe\uff1a<\/strong> \u8868\u793a\u987a\u5e8f\u56fe\u4e2d\u7684\u987a\u5e8f\u56fe\uff0c\u4f7f\u5f97\u5728\u5904\u7406\u590d\u6742\u4ea4\u4e92\u65f6\u80fd\u591f\u5b9e\u73b0\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u7247\u6bb5\u64cd\u4f5c\u7b26\u4f7f\u60a8\u80fd\u591f\u51c6\u786e\u63cf\u7ed8UML\u987a\u5e8f\u56fe\u4e2d\u590d\u6742\u4e8b\u4ef6\u5e8f\u5217\u3001\u51b3\u7b56\u70b9\u548c\u5faa\u73af\u3002\u5b83\u4eec\u5bf9\u4e8e\u4ee5\u7cbe\u786e\u548c\u6e05\u6670\u7684\u65b9\u5f0f\u5efa\u6a21\u73b0\u5b9e\u4e16\u754c\u8fc7\u7a0b\u548c\u7cfb\u7edf\u884c\u4e3a\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/div>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-blikc-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-blikc-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-27\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p><strong>\u793a\u4f8b\uff1a\u4e0b\u5355\u573a\u666f\u2014\u2014\u53ef\u89c6\u5316\u590d\u6742\u4ea4\u4e92<\/strong><\/p>\n<p>\u5728\u8fd9\u4e2a\u987a\u5e8f\u56fe\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u4f1a\u5458\u5728\u7ebf\u4e0b\u5355\u7684\u8fc7\u7a0b\u3002\u8be5\u573a\u666f\u6d89\u53ca\u591a\u79cd\u4ea4\u4e92\u548c\u6761\u4ef6\uff0c\u5305\u62ec\u914d\u9001\u65b9\u5f0f\u7684\u9009\u62e9\u4ee5\u53ca\u53ef\u9009\u7684\u786e\u8ba4\u901a\u77e5\u3002\u901a\u8fc7\u6b64\u987a\u5e8f\u56fe\uff0c\u6211\u4eec\u65e8\u5728\u6e05\u6670\u5730\u5448\u73b0\u5176\u4e2d\u7684\u590d\u6742\u6027\uff1a<\/p>\n<p><strong>1. \u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<ul>\n<li>\u5e8f\u5217\u4ece\u4f1a\u5458\u542f\u52a8\u5728\u7ebf\u4e0b\u5355\u8fc7\u7a0b\u5f00\u59cb\u3002<\/li>\n<\/ul>\n<p><strong>2. \u521b\u5efa\u8ba2\u5355\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f1a\u5458\u5728\u7cfb\u7edf\u4e2d\u7ee7\u7eed\u521b\u5efa\u8ba2\u5355\u3002<\/li>\n<\/ul>\n<p><strong>3. \u9009\u62e9\u914d\u9001\u65b9\u5f0f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5f53\u4f1a\u5458\u9009\u62e9\u9996\u9009\u914d\u9001\u65b9\u5f0f\u65f6\uff0c\u51fa\u73b0\u4e00\u4e2a\u51b3\u7b56\u70b9\u3002\u8be5\u51b3\u7b56\u53d6\u51b3\u4e8e\u4f1a\u5458\u7684\u8eab\u4efd\uff0c\u53ef\u80fd\u662fVIP\u6216\u666e\u901a\u4f1a\u5458\u3002<\/li>\n<\/ul>\n<p><strong>4. VIP\u4f1a\u5458\u8def\u5f84\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u4f1a\u5458\u88ab\u5f52\u7c7b\u4e3aVIP\uff0c\u7cfb\u7edf\u5c06\u8ba2\u5355\u6307\u793a\u901a\u8fc7\u5feb\u9012\u53d1\u9001\uff0c\u5982\u201c\u5feb\u9012\u201d\u6d88\u606f\u6240\u793a\u3002<\/li>\n<\/ul>\n<p><strong>5. \u666e\u901a\u4f1a\u5458\u8def\u5f84\uff1a<\/strong><\/p>\n<ul>\n<li>\u76f8\u53cd\uff0c\u5bf9\u4e8e\u666e\u901a\u4f1a\u5458\uff0c\u7cfb\u7edf\u9009\u62e9\u666e\u901a\u90ae\u4ef6\u914d\u9001\uff0c\u5982\u201c\u666e\u901a\u90ae\u4ef6\u201d\u6d88\u606f\u6240\u793a\u3002<\/li>\n<\/ul>\n<p><strong>6. \u53ef\u9009\u901a\u77e5\u68c0\u67e5\uff1a<\/strong><\/p>\n<ul>\n<li>\u968f\u540e\uff0c\u5e8f\u5217\u68c0\u67e5\u4f1a\u5458\u662f\u5426\u9009\u62e9\u4e86\u786e\u8ba4\u901a\u77e5\u3002\u8fd9\u4ee3\u8868\u4e86\u4e00\u4e2a\u57fa\u4e8e\u4f1a\u5458\u5728\u4e0b\u5355\u8fc7\u7a0b\u4e2d\u9009\u62e9\u7684\u53ef\u9009\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>7. \u53d1\u9001\u901a\u77e5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u4f1a\u5458\u786e\u5b9e\u9009\u62e9\u4e86\u901a\u77e5\uff0c\u7cfb\u7edf\u5c06\u5411\u4f1a\u5458\u53d1\u9001\u786e\u8ba4\u901a\u77e5\u3002<\/li>\n<\/ul>\n<p><strong>8. \u8ba2\u5355\u5b8c\u6210\uff1a<\/strong><\/p>\n<ul>\n<li>\u8be5\u6d41\u7a0b\u6700\u7ec8\u4ee5\u8ba2\u5355\u6d41\u7a0b\u7684\u6210\u529f\u5b8c\u6210\u800c\u544a\u7ec8\uff0c\u8868\u660e\u4f1a\u5458\u7684\u8bf7\u6c42\u5df2\u5904\u7406\u5b8c\u6bd5\uff0c\u5176\u8ba2\u5355\u5c06\u6839\u636e\u5176\u72b6\u6001\u548c\u504f\u597d\u8fdb\u884c\u914d\u9001\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6b64\u987a\u5e8f\u56fe\uff0c\u53ef\u4ee5\u6709\u6548\u53ef\u89c6\u5316\u201c\u4e0b\u5355\u201d\u573a\u666f\u4e2d\u6d89\u53ca\u7684\u590d\u6742\u4ea4\u4e92\u3002\u5b83\u7a81\u51fa\u4e86\u51b3\u7b56\u70b9\u3001\u57fa\u4e8e\u4f1a\u5458\u72b6\u6001\u7684\u6761\u4ef6\u6027\u4ee5\u53ca\u901a\u77e5\u7684\u53ef\u9009\u6027\uff0c\u4ece\u800c\u5168\u9762\u7406\u89e3\u5728\u7ebf\u4e0b\u5355\u6d41\u7a0b\u3002<\/p>\n<p><img alt=\"Sequence Diagram example\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/1_09-sequence-diagram-example.png\"\/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u7ed3\u8bba<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Sequence_diagram\">\u987a\u5e8f\u56fe<\/a>\u987a\u5e8f\u56fe\u662f\u8f6f\u4ef6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u56e2\u961f\u53ef\u89c6\u5316\u548c\u8bb0\u5f55\u7cfb\u7edf\u5185\u90e8\u7684\u590d\u6742\u4ea4\u4e92\u3002\u901a\u8fc7\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u5e76\u521b\u5efa\u6e05\u6670\u7b80\u6d01\u7684\u56fe\u8868\uff0c\u8f6f\u4ef6\u4e13\u4e1a\u4eba\u5458\u53ef\u4ee5\u63d0\u5347\u6c9f\u901a\u6548\u7387\uff0c\u4f18\u5316\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u5e76\u7b80\u5316\u5f00\u53d1\u6d41\u7a0b\u3002\u901a\u8fc7\u6784\u5efa\u826f\u597d\u7684\u987a\u5e8f\u56fe\uff0c\u5229\u76ca\u76f8\u5173\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u7406\u89e3\u8f6f\u4ef6\u7cfb\u7edf\u7684\u884c\u4e3a\uff0c\u786e\u4fdd\u5404\u65b9\u5728\u7cfb\u7edf\u4ea4\u4e92\u65b9\u9762\u8fbe\u6210\u4e00\u81f4\u3002<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp\">\u987a\u5e8f\u56fe<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u4ec0\u4e48\u662f\u987a\u5e8f\u56fe\uff1f<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u6709\u6548\u7684\u6c9f\u901a\u4e0e\u534f\u4f5c\u81f3\u5173\u91cd\u8981\u3002\u5f00\u53d1\u8005\u3001\u8bbe\u8ba1\u5e08\u548c\u5229\u76ca\u76f8\u5173\u8005\u5fc5\u987b\u65e0\u7f1d\u534f\u4f5c\uff0c\u4ee5\u521b\u5efa\u5f3a\u5927\u4e14\u9ad8\u6548\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002\u53ef\u89c6\u5316\u548c\u8bb0\u5f55\u8fd9\u4e9b\u4ea4\u4e92\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\u5c31\u662f\u5e8f\u5217\u56fe\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5e8f\u5217\u56fe\u7684\u4e16\u754c\uff0c\u63a2\u7d22\u5176\u76ee\u7684\u3001\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u521b\u5efa\u5b83\u4eec\u7684\u6700\u4f73\u5b9e\u8df5\u3002 \u4ec0\u4e48\u662f\u5e8f\u5217\u56fe\uff1f 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