{"id":1086,"date":"2026-04-02T03:34:58","date_gmt":"2026-04-02T03:34:58","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/step-by-step-class-diagram-tutorial-15-minutes\/"},"modified":"2026-04-02T03:34:58","modified_gmt":"2026-04-02T03:34:58","slug":"step-by-step-class-diagram-tutorial-15-minutes","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/step-by-step-class-diagram-tutorial-15-minutes\/","title":{"rendered":"\u9010\u6b65\u6559\u7a0b\uff1a\u7c7b\u56fe\u4ece\u7a7a\u767d\u9875\u9762\u5230\u6700\u7ec8\u6a21\u578b\u4ec5\u970015\u5206\u949f"},"content":{"rendered":"<p>\u8f6f\u4ef6\u67b6\u6784\u7684\u8bbe\u8ba1\u59cb\u4e8e\u7f16\u5199\u7b2c\u4e00\u884c\u4ee3\u7801\u4e4b\u524d\u3002\u5b83\u59cb\u4e8e\u7406\u89e3\u6570\u636e\u548c\u884c\u4e3a\u5728\u7cfb\u7edf\u5185\u90e8\u5982\u4f55\u4ea4\u4e92\u3002\u7c7b\u56fe\u4e3a\u6b64\u7ed3\u6784\u63d0\u4f9b\u4e86\u84dd\u56fe\u3002\u5b83\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\uff0c\u5c55\u793a\u7c7b\u3001\u5c5e\u6027\u3001\u64cd\u4f5c\u548c\u5173\u7cfb\u3002\u672c\u6307\u5357\u5c06\u5e26\u4f60\u5feb\u901f\u4ece\u96f6\u5f00\u59cb\u521b\u5efa\u4e00\u4e2a\u7a33\u5065\u7684\u7c7b\u56fe\u3002<\/p>\n<p>\u65e0\u8bba\u4f60\u662f\u5f00\u53d1\u8005\u3001\u4e1a\u52a1\u5206\u6790\u5e08\u8fd8\u662f\u7cfb\u7edf\u67b6\u6784\u5e08\uff0c\u6e05\u6670\u6027\u90fd\u81f3\u5173\u91cd\u8981\u3002\u53ef\u89c6\u5316\u9762\u5411\u5bf9\u8c61\u7684\u8bbe\u8ba1\u6709\u52a9\u4e8e\u56e2\u961f\u5c3d\u65e9\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\u3002\u5b83\u786e\u4fdd\u6240\u6709\u4eba\u5bf9\u7cfb\u7edf\u7684\u884c\u4e3a\u8fbe\u6210\u4e00\u81f4\u3002\u9075\u5faa\u7ed3\u6784\u5316\u7684\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u8bbe\u8ba1\u8fc7\u5ea6\u590d\u6742\u7684\u5e38\u89c1\u9677\u9631\u3002\u6211\u4eec\u5c06\u805a\u7126\u4e8e\u6838\u5fc3\u5143\u7d20\u3001\u903b\u8f91\u6d41\u7a0b\u4ee5\u53ca\u8fde\u63a5\u7cfb\u7edf\u5404\u90e8\u5206\u7684\u5173\u7cfb\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child's drawing style infographic teaching UML class diagrams in 15 minutes: shows core components (classes, attributes, operations, visibility symbols), three-phase workflow (brainstorm, define structure, establish relationships), five relationship types with cute examples (association, aggregation, composition, inheritance, dependency), cardinality notation, and best practices tips - all illustrated with playful crayon-style artwork for beginner-friendly software architecture learning\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/class-diagram-tutorial-15-minutes-kids-drawing-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u6838\u5fc3\u7ec4\u4ef6 \ud83e\uddf1<\/h2>\n<p>\u5728\u7ed8\u5236\u7ebf\u6761\u4e4b\u524d\uff0c\u4f60\u5fc5\u987b\u7406\u89e3\u57fa\u672c\u6784\u4ef6\u3002\u7c7b\u56fe\u7531\u7279\u5b9a\u5143\u7d20\u6784\u6210\u3002\u6bcf\u4e2a\u5143\u7d20\u5728\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u6807\u51c6\u4e2d\u90fd\u6709\u7279\u5b9a\u542b\u4e49\u3002\u8df3\u8fc7\u8fd9\u4e00\u57fa\u7840\u5f80\u5f80\u4f1a\u5bfc\u81f4\u6a21\u7cca\u7684\u56fe\u8868\uff0c\u4f7f\u8bfb\u8005\u540e\u7eed\u611f\u5230\u56f0\u60d1\u3002<\/p>\n<ul>\n<li><strong>\u7c7b\uff1a<\/strong> \u57fa\u672c\u5355\u5143\u3002\u5b83\u4ee3\u8868\u5177\u6709\u76f8\u4f3c\u7279\u5f81\u548c\u884c\u4e3a\u7684\u5bf9\u8c61\u7c7b\u522b\u3002<\/li>\n<li><strong> \u5c5e\u6027\uff1a<\/strong> \u7c7b\u4e2d\u6240\u5305\u542b\u7684\u6570\u636e\u3002\u8fd9\u4e9b\u662f\u5b9a\u4e49\u72b6\u6001\u7684\u5c5e\u6027\u3002<\/li>\n<li><strong> \u64cd\u4f5c\uff1a<\/strong> \u53ef\u7528\u4e8e\u4e0e\u6570\u636e\u4ea4\u4e92\u7684\u65b9\u6cd5\u6216\u51fd\u6570\u3002<\/li>\n<li><strong> \u53ef\u89c1\u6027\uff1a<\/strong> \u8868\u793a\u8bbf\u95ee\u6743\u9650\u3002\u5e38\u89c1\u7b26\u53f7\u5305\u62ec + \u8868\u793a\u516c\u5171\uff0c\u2013 \u8868\u793a\u79c1\u6709\uff0c# \u8868\u793a\u53d7\u4fdd\u62a4\u3002<\/li>\n<\/ul>\n<p>\u5b9a\u4e49\u7c7b\u65f6\uff0c\u4e00\u81f4\u6027\u81f3\u5173\u91cd\u8981\u3002\u7c7b\u4f7f\u7528\u540d\u8bcd\uff0c\u64cd\u4f5c\u4f7f\u7528\u52a8\u8bcd\u3002\u5c5e\u6027\u5e94\u63cf\u8ff0\u72b6\u6001\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a <code>\u5ba2\u6237<\/code> \u7c7b\uff0c\u5c5e\u6027\u53ef\u80fd\u5305\u62ec <code>\u59d3\u540d<\/code> \u6216 <code> \u90ae\u7bb1<\/code>\u3002\u64cd\u4f5c\u53ef\u80fd\u5305\u62ec <code> \u6ce8\u518c<\/code> \u6216 <code> \u767b\u5f55<\/code>.<\/p>\n<h3>\u53ef\u89c1\u6027\u4e0e\u4fee\u9970\u7b26<\/h3>\n<p>\u5bf9\u8bbf\u95ee\u7684\u63a7\u5236\u5bf9\u4e8e\u5c01\u88c5\u81f3\u5173\u91cd\u8981\u3002\u4f60\u5fc5\u987b\u51b3\u5b9a\u5185\u90e8\u72b6\u6001\u66b4\u9732\u7684\u7a0b\u5ea6\u3002\u4ee5\u4e0b\u662f\u6807\u51c6\u53ef\u89c1\u6027\u7b26\u53f7\u7684\u5feb\u901f\u53c2\u8003\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7b26\u53f7<\/th>\n<th>\u540d\u79f0<\/th>\n<th>\u8bbf\u95ee\u7ea7\u522b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>+<\/td>\n<td>\u516c\u5171<\/td>\n<td>\u53ef\u4ee5\u4ece\u4efb\u4f55\u5730\u65b9\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>\u2013<\/td>\n<td>\u79c1\u6709<\/td>\n<td>\u4ec5\u5728\u7c7b\u5185\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>#<\/td>\n<td>\u53d7\u4fdd\u62a4<\/td>\n<td>\u5728\u7c7b\u53ca\u5b50\u7c7b\u4e2d\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>~<\/td>\n<td>\u5305<\/td>\n<td>\u5728\u540c\u4e00\u4e2a\u5305\u5185\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6b63\u786e\u4f7f\u7528\u8fd9\u4e9b\u7b26\u53f7\u53ef\u4ee5\u907f\u514d\u5728\u5b9e\u73b0\u9636\u6bb5\u4ea7\u751f\u6df7\u6dc6\u3002\u5b83\u5411\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u8868\u660e\u4ee3\u7801\u7684\u54ea\u4e9b\u90e8\u5206\u662f\u7a33\u5b9a\u7684\uff0c\u54ea\u4e9b\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n<h2>15\u5206\u949f\u5de5\u4f5c\u6d41\u7a0b \u23f1\ufe0f<\/h2>\n<p>\u5efa\u6a21\u65f6\u65f6\u95f4\u7ba1\u7406\u81f3\u5173\u91cd\u8981\u3002\u5197\u957f\u7684\u8bbe\u8ba1\u4f1a\u8bae\u53ef\u80fd\u5bfc\u81f4\u56de\u62a5\u9012\u51cf\u3002\u76ee\u6807\u662f\u5728\u4e0d\u9677\u5165\u7410\u788e\u7ec6\u8282\u7684\u60c5\u51b5\u4e0b\u6355\u6349\u5173\u952e\u7ed3\u6784\u3002\u5c06\u65f6\u95f4\u5212\u5206\u4e3a\u4e09\u4e2a\u4e0d\u540c\u7684\u9636\u6bb5\uff0c\u4ee5\u786e\u4fdd\u4f60\u9ad8\u6548\u5730\u4ece\u6982\u5ff5\u8fc7\u6e21\u5230\u7ed3\u6784\u3002<\/p>\n<h3>\u9636\u6bb51\uff1a\u5934\u8111\u98ce\u66b4\u4e0e\u8bc6\u522b\uff080-5\u5206\u949f\uff09 \ud83e\udde0<\/h3>\n<p>\u4ece\u95ee\u9898\u9886\u57df\u5f00\u59cb\u3002\u76ee\u524d\u4e0d\u8981\u8003\u8651\u4ee3\u7801\u3002\u601d\u8003\u6d89\u53ca\u7684\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u3002\u9605\u8bfb\u9700\u6c42\u6216\u529f\u80fd\u89c4\u683c\u3002\u627e\u51fa\u540d\u8bcd\u3002\u8fd9\u4e9b\u540d\u8bcd\u5f88\u53ef\u80fd\u4f1a\u6210\u4e3a\u4f60\u7684\u7c7b\u3002<\/p>\n<ul>\n<li>\u901a\u8bfb\u7528\u6237\u6545\u4e8b\u6216\u7528\u4f8b\u3002<\/li>\n<li>\u5217\u51fa\u63d0\u5230\u7684\u6bcf\u4e00\u4e2a\u91cd\u8981\u5b9e\u4f53\u3002<\/li>\n<li>\u8fc7\u6ee4\u6389\u50cf\u8fd9\u6837\u7684\u901a\u7528\u672f\u8bed<code>\u7ecf\u7406<\/code>\u6216<code>\u7cfb\u7edf<\/code>\u9664\u975e\u5b83\u4eec\u5177\u6709\u7279\u5b9a\u804c\u8d23\u3002<\/li>\n<li>\u5c06\u76f8\u5173\u7684\u5b9e\u4f53\u5f52\u4e3a\u4e00\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5728\u7535\u5b50\u5546\u52a1\u573a\u666f\u4e2d\uff0c\u4f60\u53ef\u80fd\u4f1a\u8bc6\u522b\u51fa<code>\u4ea7\u54c1<\/code>, <code>\u8ba2\u5355<\/code>, <code>\u5ba2\u6237<\/code>\uff0c\u4ee5\u53ca<code>\u4ed8\u6b3e<\/code>\u3002\u8fd9\u4e9b\u662f\u4f60\u7684\u5019\u9009\u9879\u3002\u628a\u5b83\u4eec\u8bb0\u4e0b\u6765\u3002\u4f60\u5c06\u5728\u4e0b\u4e00\u9636\u6bb5\u9a8c\u8bc1\u5b83\u4eec\u7684\u5fc5\u8981\u6027\u3002<\/p>\n<h3>\u7b2c\u4e8c\u9636\u6bb5\uff1a\u5b9a\u4e49\u7ed3\u6784\u548c\u5c5e\u6027\uff085-10\u5206\u949f\uff09 \ud83d\udcdd<\/h3>\n<p>\u73b0\u5728\uff0c\u5145\u5b9e\u7c7b\u7684\u5b9a\u4e49\u3002\u9488\u5bf9\u6bcf\u4e2a\u5019\u9009\u9879\uff0c\u5b9a\u4e49\u5fc5\u8981\u7684\u5c5e\u6027\u3002\u95ee\u81ea\u5df1\uff1a\u201c\u8fd9\u4e2a\u5b9e\u4f53\u5305\u542b\u54ea\u4e9b\u4fe1\u606f\uff1f\u201d\u4fdd\u6301\u5217\u8868\u805a\u7126\u4e8e\u5f53\u524d\u8303\u56f4\u6240\u9700\u7684\u5185\u5bb9\u3002\u907f\u514d\u6dfb\u52a0\u672a\u6765\u53ef\u80fd\u9700\u8981\u7684\u529f\u80fd\u7684\u5c5e\u6027\u3002<\/p>\n<ul>\n<li><strong>\u5ba2\u6237\uff1a<\/strong> <code>id<\/code>, <code>\u59d3\u540d<\/code>, <code>\u5730\u5740<\/code>, <code>\u7535\u5b50\u90ae\u4ef6<\/code>.<\/li>\n<li><strong>\u4ea7\u54c1\uff1a<\/strong> <code>sku<\/code>, <code>\u4ef7\u683c<\/code>, <code>\u63cf\u8ff0<\/code>, <code>\u5e93\u5b58<\/code>.<\/li>\n<li><strong>\u8ba2\u5355\uff1a<\/strong> <code>\u8ba2\u5355ID<\/code>, <code>\u65e5\u671f<\/code>, <code>\u603b\u91d1\u989d<\/code>.<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765\uff0c\u5b9a\u4e49\u64cd\u4f5c\u3002\u95ee\uff1a\u300c\u8fd9\u4e2a\u5b9e\u4f53\u53ef\u4ee5\u6267\u884c\u54ea\u4e9b\u64cd\u4f5c\uff1f\u300d\u6216\u300c\u5b83\u4f1a\u89e6\u53d1\u54ea\u4e9b\u64cd\u4f5c\uff1f\u300d<\/p>\n<ul>\n<li><strong>\u5ba2\u6237\uff1a<\/strong> <code>placeOrder()<\/code>, <code>updateProfile()<\/code>.<\/li>\n<li><strong>\u8ba2\u5355\uff1a<\/strong> <code>calculateTotal()<\/code>, <code>cancel()<\/code>.<\/li>\n<\/ul>\n<p>\u5e94\u7528\u53ef\u89c1\u6027\u4fee\u9970\u7b26\u3002\u9ed8\u8ba4\u5c06\u5c5e\u6027\u8bbe\u4e3a\u79c1\u6709\u3002\u66b4\u9732\u5c5e\u4e8e\u63a5\u53e3\u7684\u516c\u5171\u64cd\u4f5c\u3002\u8fd9\u79cd\u89c4\u8303\u80fd\u4fdd\u6301\u8bbe\u8ba1\u7684\u6574\u6d01\u548c\u6a21\u5757\u5316\u3002<\/p>\n<h3>\u7b2c\u4e09\u9636\u6bb5\uff1a\u5efa\u7acb\u5173\u7cfb\uff0810-15\u5206\u949f\uff09\ud83d\udd17<\/h3>\n<p>\u6700\u540e\u9636\u6bb5\u662f\u8fde\u63a5\u7c7b\u3002\u5173\u7cfb\u5b9a\u4e49\u4e86\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u8fd9\u662f\u56fe\u8868\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002\u9519\u8bef\u7684\u5173\u7cfb\u4f1a\u5bfc\u81f4\u7d27\u5bc6\u8026\u5408\u548c\u7ef4\u62a4\u5669\u68a6\u3002\u8bf7\u56de\u987e\u60a8\u5b9e\u4f53\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n<ul>\n<li>\u4e00\u4e2a<code>\u5ba2\u6237<\/code>\u662f\u5426\u6709\u591a\u4e2a<code>\u8ba2\u5355<\/code>?<\/li>\n<li>\u4e00\u4e2a<code>\u8ba2\u5355<\/code>\u662f\u5426\u5305\u542b<code>\u4ea7\u54c1<\/code>?<\/li>\n<li>\u4e00\u4e2a<code>\u652f\u4ed8<\/code>\u662f\u5426\u4f9d\u8d56\u4e8e\u4e00\u4e2a<code>\u8ba2\u5355<\/code>\u6709\u6548\uff1f<\/li>\n<\/ul>\n<p>\u5728\u7c7b\u4e4b\u95f4\u753b\u7ebf\u3002\u6e05\u6670\u5730\u6807\u8bb0\u5b83\u4eec\u3002\u4f7f\u7528\u9002\u5f53\u7684\u5173\u7cfb\u7c7b\u578b\u3002\u4e0d\u8981\u731c\u6d4b\u3002\u5982\u679c\u4f60\u4e0d\u786e\u5b9a\uff0c\u8bf7\u53c2\u8003\u4e0b\u9762\u7684\u8be6\u7ec6\u5173\u7cfb\u6307\u5357\u3002<\/p>\n<h2>\u6df1\u5165\u63a2\u7a76\u5173\u7cfb \ud83e\udde9<\/h2>\n<p>\u5173\u7cfb\u5b9a\u4e49\u4e86\u6a21\u578b\u7684\u8bed\u4e49\u3002\u5b83\u4eec\u8bb2\u8ff0\u4e86\u6570\u636e\u5982\u4f55\u6d41\u52a8\u4ee5\u53ca\u5bf9\u8c61\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u4f9d\u8d56\u3002\u4f60\u9700\u8981\u638c\u63e1\u4e94\u79cd\u4e3b\u8981\u7c7b\u578b\u3002\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u5bf9\u4e8e\u51c6\u786e\u7684\u8868\u793a\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>1. \u5173\u8054<\/h3>\n<p>\u5173\u8054\u8868\u793a\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u5173\u7cfb\u3002\u5b83\u610f\u5473\u7740\u4e00\u4e2a\u7c7b\u7684\u5bf9\u8c61\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5bf9\u8c61\u76f8\u5173\u8054\u3002\u8fd9\u662f\u6700\u901a\u7528\u7684\u5173\u7cfb\u7c7b\u578b\u3002<\/p>\n<ul>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>\u9a7e\u9a76\u5458<\/code> \u9a7e\u9a76\u4e00\u8f86 <code>\u6c7d\u8f66<\/code>.<\/li>\n<li><strong>\u65b9\u5411\uff1a<\/strong>\u53ef\u4ee5\u662f\u5355\u5411\u7684\u6216\u53cc\u5411\u7684\u3002<\/li>\n<li><strong>\u6807\u8bb0\uff1a<\/strong>\u901a\u5e38\u7528\u89d2\u8272\u540d\u79f0\u6807\u8bb0\uff08\u4f8b\u5982\uff0c\u201c\u9a7e\u9a76\u201d\uff09\u3002<\/li>\n<\/ul>\n<p>\u5173\u8054\u7ebf\u662f\u5b9e\u7ebf\u3002\u5982\u679c\u5173\u7cfb\u662f\u53cc\u5411\u7684\uff0c\u5219\u4e24\u7aef\u90fd\u4e0d\u9700\u8981\u7bad\u5934\u3002\u5982\u679c\u662f\u5355\u5411\u7684\uff0c\u5219\u5728\u5bfc\u822a\u5230\u53e6\u4e00\u65b9\u7684\u7c7b\u4e0a\u653e\u7f6e\u7bad\u5934\u3002<\/p>\n<h3>2. \u805a\u5408<\/h3>\n<p>\u805a\u5408\u662f\u5173\u8054\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\u3002\u5b83\u8868\u793a\u4e00\u79cd\u201c\u62e5\u6709-\u6709\u201d\u7684\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u5b58\u5728\u3002\u5b83\u901a\u5e38\u88ab\u63cf\u8ff0\u4e3a\u4e00\u79cd\u5f31\u5173\u7cfb\u3002<\/p>\n<ul>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>\u90e8\u95e8<\/code> \u62e5\u6709 <code>\u5458\u5de5<\/code>.<\/li>\n<li><strong>\u903b\u8f91\uff1a<\/strong> \u5982\u679c\u4f60\u5220\u9664\u4e86 <code>\u90e8\u95e8<\/code>\uff0c\u90a3\u4e48 <code>\u5458\u5de5<\/code> \u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li><strong>\u89c6\u89c9\u8868\u73b0\uff1a<\/strong> \u6574\u4f53\u4e00\u4fa7\u7684\u7a7a\u5fc3\u83f1\u5f62\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u5173\u7cfb\u6709\u52a9\u4e8e\u5efa\u6a21\u96c6\u5408\u3002\u5b83\u8868\u793a\u5bb9\u5668\u7ba1\u7406\u96c6\u5408\u7684\u751f\u547d\u5468\u671f\uff0c\u4f46\u4e0d\u7ba1\u7406\u5176\u4e2d\u7684\u5404\u4e2a\u72ec\u7acb\u9879\u3002<\/p>\n<h3>3. \u7ec4\u5408<\/h3>\n<p>\u7ec4\u5408\u662f\u4e00\u79cd\u5f3a\u805a\u5408\u5f62\u5f0f\u3002\u5b83\u8868\u793a\u2018\u90e8\u5206-\u6574\u4f53\u2019\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u5b58\u5728\u3002\u751f\u547d\u5468\u671f\u76f8\u4e92\u4f9d\u8d56\u3002<\/p>\n<ul>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>\u623f\u5c4b<\/code> \u6709 <code>\u623f\u95f4<\/code>.<\/li>\n<li><strong>\u903b\u8f91\uff1a<\/strong> \u5982\u679c\u4f60\u5220\u9664\u4e86 <code>\u623f\u5c4b<\/code>\uff0c\u90a3\u4e48 <code>\u623f\u95f4<\/code> \u5c06\u88ab\u9500\u6bc1\u3002<\/li>\n<li><strong>\u89c6\u89c9\u8868\u793a\uff1a<\/strong> \u6574\u4f53\u4e00\u4fa7\u7684\u5b9e\u5fc3\u83f1\u5f62\u3002<\/li>\n<\/ul>\n<p>\u5f53\u5b50\u5bf9\u8c61\u4e13\u5c5e\u4e8e\u7236\u5bf9\u8c61\u65f6\u4f7f\u7528\u7ec4\u5408\u3002\u8fd9\u5728\u6570\u636e\u7ed3\u6784\u4e2d\u5f88\u5e38\u89c1\uff0c\u5bf9\u8c61\u968f\u5176\u5bb9\u5668\u4e00\u8d77\u521b\u5efa\u548c\u9500\u6bc1\u3002\u5b83\u5f3a\u5236\u6267\u884c\u6240\u6709\u6743\u7684\u4e25\u683c\u8fb9\u754c\u3002<\/p>\n<h3>4. \u7ee7\u627f\uff08\u6cdb\u5316\uff09<\/h3>\n<p>\u7ee7\u627f\u5141\u8bb8\u4e00\u4e2a\u7c7b\u83b7\u53d6\u53e6\u4e00\u4e2a\u7c7b\u7684\u5c5e\u6027\u548c\u884c\u4e3a\u3002\u5b83\u4fc3\u8fdb\u4ee3\u7801\u590d\u7528\u5e76\u5efa\u7acb\u5c42\u6b21\u7ed3\u6784\u3002\u5b50\u7c7b\u662f\u8d85\u7c7b\u7684\u7279\u5316\u7248\u672c\u3002<\/p>\n<ul>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> <code>\u8f66\u8f86<\/code> \u662f\u8d85\u7c7b\u3002<code>\u6c7d\u8f66<\/code> \u548c <code>\u81ea\u884c\u8f66<\/code> \u90fd\u662f\u5b50\u7c7b\u3002<\/li>\n<li><strong>\u903b\u8f91\uff1a<\/strong> \u4e00\u4e2a <code>\u6c7d\u8f66<\/code> <em>\u662f<\/em> <code>\u8f66\u8f86<\/code>.<\/li>\n<li><strong>\u89c6\u89c9\uff1a<\/strong> \u4e00\u6761\u5b9e\u7ebf\uff0c\u5e26\u6709\u4e00\u4e2a\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7bad\u5934\uff0c\u6307\u5411\u7236\u7c7b\u3002<\/li>\n<\/ul>\n<p>\u8bf7\u6ce8\u610f\u4e0d\u8981\u521b\u5efa\u8fc7\u6df1\u7684\u7ee7\u627f\u5c42\u6b21\u3002\u4fdd\u6301\u5c42\u6b21\u6d45\u663e\u4ee5\u7ef4\u6301\u53ef\u8bfb\u6027\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u7ee7\u627f\u4e86\u592a\u591a\u5185\u5bb9\uff0c\u5b83\u5c31\u4f1a\u53d8\u5f97\u8106\u5f31\u4e14\u96be\u4ee5\u7ef4\u62a4\u3002<\/p>\n<h3>5. \u4f9d\u8d56<\/h3>\n<p>\u4f9d\u8d56\u662f\u4e00\u79cd\u4f7f\u7528\u5173\u7cfb\u3002\u5b83\u8868\u660e\u4e00\u4e2a\u7c7b\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u5f71\u54cd\u53e6\u4e00\u4e2a\u7c7b\u3002\u5b83\u901a\u5e38\u662f\u4e34\u65f6\u6216\u77ed\u6682\u7684\u3002<\/p>\n<ul>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>\u62a5\u544a\u751f\u6210\u5668<\/code> \u4f7f\u7528\u4e00\u4e2a <code>\u6570\u636e\u5e93\u8fde\u63a5<\/code>.<\/li>\n<li><strong>\u903b\u8f91\uff1a<\/strong> \u5982\u679c <code>\u6570\u636e\u5e93\u8fde\u63a5<\/code> \u53d1\u751f\u53d8\u5316\uff0c\u90a3\u4e48 <code>\u62a5\u544a\u751f\u6210\u5668<\/code> \u53ef\u80fd\u4f1a\u5931\u6548\u3002<\/li>\n<li><strong>\u89c6\u89c9\uff1a<\/strong> \u4e00\u6761\u865a\u7ebf\uff0c\u5e26\u6709\u4e00\u4e2a\u5f00\u53e3\u7bad\u5934\u3002<\/li>\n<\/ul>\n<p> \u4f9d\u8d56\u662f\u6700\u8106\u5f31\u7684\u5173\u7cfb\u3002\u5b83\u6697\u793a\u4e00\u79cd\u4e34\u65f6\u7684\u5173\u8054\u3002\u5b83\u901a\u5e38\u901a\u8fc7\u65b9\u6cd5\u53c2\u6570\u6216\u5c40\u90e8\u53d8\u91cf\u6765\u89e3\u51b3\u3002\u5c3d\u91cf\u51cf\u5c11\u4f9d\u8d56\u4ee5\u964d\u4f4e\u8026\u5408\u5ea6\u3002<\/p>\n<h3>\u57fa\u6570\u548c\u591a\u91cd\u6027<\/h3>\n<p> \u5173\u7cfb\u5f88\u5c11\u662f\u4e00\u5bf9\u4e00\u7684\u3002\u4f60\u5fc5\u987b\u6307\u5b9a\u6709\u591a\u5c11\u4e2a\u5b9e\u4f8b\u53c2\u4e0e\u8be5\u5173\u7cfb\u3002\u8fd9\u88ab\u79f0\u4e3a\u57fa\u6570\u6216\u591a\u91cd\u6027\u3002\u5b83\u660e\u786e\u4e86\u7cfb\u7edf\u7684\u89c4\u5219\u3002<\/p>\n<ul>\n<li><strong>1:<\/strong> \u6070\u597d\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..1:<\/strong> \u96f6\u4e2a\u6216\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>1..*:<\/strong> \u4e00\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..*:<\/strong> \u96f6\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<p>\u5e94\u7528\u8fd9\u4e9b\u7ea6\u675f\u53ef\u4ee5\u9632\u6b62\u903b\u8f91\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u6307\u51fa\u4e00\u4e2a<code>\u5ba2\u6237<\/code> \u7684\u6570\u91cf\u4e3a 0..1 <code>\u5730\u5740<\/code> \u610f\u5473\u7740\u4ed6\u4eec\u53ef\u80fd\u6ca1\u6709\u3002\u6307\u51fa\u4e00\u4e2a<code>\u8ba2\u5355<\/code> \u7684\u6570\u91cf\u4e3a 1..* <code>\u9879\u76ee<\/code> \u610f\u5473\u7740\u8ba2\u5355\u4e0d\u80fd\u4e3a\u7a7a\u3002<\/p>\n<h2>\u6574\u6d01\u6a21\u578b\u7684\u6700\u4f73\u5b9e\u8df5 \ud83c\udf1f<\/h2>\n<p>\u7ed3\u6784\u826f\u597d\u7684\u56fe\u8868\u662f\u81ea\u89e3\u91ca\u7684\u3002\u5b83\u53ea\u9700\u6700\u5c11\u7684\u6ce8\u91ca\u5c31\u80fd\u88ab\u7406\u89e3\u3002\u9075\u5faa\u65e2\u5b9a\u7684\u89c4\u8303\u53ef\u4ee5\u4f7f\u534f\u4f5c\u66f4\u8f7b\u677e\u3002\u9075\u5faa\u8fd9\u4e9b\u6307\u5357\u4ee5\u4fdd\u6301\u9ad8\u8d28\u91cf\u3002<\/p>\n<h3>\u4fdd\u6301\u7b80\u5355<\/h3>\n<p>\u4e0d\u8981\u5305\u542b\u6240\u6709\u5b58\u5728\u7684\u5c5e\u6027\u3002\u4e13\u6ce8\u4e8e\u4e0e\u5f53\u524d\u4e0a\u4e0b\u6587\u76f8\u5173\u7684\u6570\u636e\u3002\u5982\u679c\u4e00\u4e2a\u56fe\u8868\u5305\u542b\u4e94\u5341\u4e2a\u7c7b\uff0c\u5f88\u53ef\u80fd\u8fc7\u4e8e\u590d\u6742\u3002\u5c06\u5176\u5206\u89e3\u4e3a\u5b50\u7cfb\u7edf\u6216\u5305\u3002\u4f7f\u7528\u5206\u9694\u6765\u9690\u85cf\u4e0d\u5fc5\u8981\u7684\u7ec6\u8282\u3002<\/p>\n<h3>\u4e00\u81f4\u7684\u547d\u540d\u89c4\u8303<\/h3>\n<p>\u547d\u540d\u662f\u4e00\u79cd\u6c9f\u901a\u5de5\u5177\u3002\u4f7f\u7528\u6e05\u6670\u3001\u63cf\u8ff0\u6027\u7684\u540d\u79f0\u3002\u9664\u975e\u662f\u884c\u4e1a\u6807\u51c6\uff0c\u5426\u5219\u907f\u514d\u4f7f\u7528\u7f29\u5199\u3002\u7c7b\u5e94\u4e3a\u540d\u8bcd\u3002\u64cd\u4f5c\u5e94\u4e3a\u52a8\u8bcd\u3002\u5c5e\u6027\u5e94\u63cf\u8ff0\u72b6\u6001\u3002<\/p>\n<ul>\n<li><strong>\u4e0d\u826f\uff1a<\/strong> <code>cust<\/code>, <code>getInfo<\/code>, <code>val<\/code>.<\/li>\n<li><strong>\u826f\u597d\uff1a<\/strong> <code>\u5ba2\u6237<\/code>, <code>fetchData<\/code>, 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