{"id":1110,"date":"2026-03-30T09:12:57","date_gmt":"2026-03-30T09:12:57","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/troubleshooting-class-diagram-relationships\/"},"modified":"2026-03-30T09:12:57","modified_gmt":"2026-03-30T09:12:57","slug":"troubleshooting-class-diagram-relationships","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/troubleshooting-class-diagram-relationships\/","title":{"rendered":"\u6392\u67e5\u4f60\u7684\u7c7b\u56fe\uff1a\u4e3a\u4f55\u4f60\u7684\u5173\u7cfb\u5931\u8d25\u4ee5\u53ca\u5982\u4f55\u4fee\u590d\u5b83\u4eec"},"content":{"rendered":"<p>\u8bbe\u8ba1\u7a33\u5065\u7684\u8f6f\u4ef6\u67b6\u6784\u59cb\u4e8e\u6e05\u6670\u3002\u5f53\u7cfb\u7edf\u84dd\u56fe\u6a21\u7cca\u4e0d\u6e05\u65f6\uff0c\u751f\u6210\u7684\u4ee3\u7801\u5f80\u5f80\u9762\u4e34\u7d27\u8026\u5408\u3001\u7ef4\u62a4\u5669\u68a6\u548c\u903b\u8f91\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u7c7b\u56fe\u4e0d\u4ec5\u4ec5\u662f\u7ed8\u56fe\u7ec3\u4e60\uff1b\u5b83\u662f\u4e00\u79cd\u6c9f\u901a\u5de5\u5177\uff0c\u7528\u4e8e\u5b9a\u4e49\u5bf9\u8c61\u4e4b\u95f4\u5982\u4f55\u4ea4\u4e92\u3001\u7ee7\u627f\u548c\u76f8\u4e92\u4f9d\u8d56\u3002\u7136\u800c\uff0c\u8bb8\u591a\u5f00\u53d1\u8005\u53d1\u73b0\u81ea\u5df1\u9762\u5bf9\u4e00\u5f20\u7c7b\u56fe\uff0c\u5176\u4e2d\u7684\u5173\u7cfb\u4f3c\u4e4e\u4e0e\u5b9e\u9645\u5b9e\u73b0\u76f8\u77db\u76fe\u3002<\/p>\n<p>\u672c\u6307\u5357\u9488\u5bf9UML\u7c7b\u5efa\u6a21\u4e2d\u6700\u5e38\u89c1\u7684\u7ed3\u6784\u6027\u5931\u8d25\u95ee\u9898\u3002\u6211\u4eec\u5c06\u8d85\u8d8a\u8868\u9762\u7684\u7f8e\u89c2\u6027\uff0c\u6df1\u5165\u5206\u6790\u6bcf\u4e00\u6761\u7ebf\u548c\u7bad\u5934\u80cc\u540e\u7684\u903b\u8f91\u3001\u57fa\u6570\u548c\u8bed\u4e49\u542b\u4e49\u3002\u901a\u8fc7\u65e9\u671f\u8bc6\u522b\u8fd9\u4e9b\u6a21\u5f0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u4f60\u7684\u8bbe\u8ba1\u5728\u6574\u4e2a\u5f00\u53d1\u751f\u547d\u5468\u671f\u4e2d\u4fdd\u6301\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Marker-style infographic illustrating UML class diagram troubleshooting: shows five core relationship types (association, aggregation, composition, inheritance, dependency) with notation symbols, highlights three common pitfalls (inheritance vs composition confusion, circular dependencies, ambiguous multiplicity), presents a 3-step troubleshooting workflow, and includes a validation checklist for software architects and developers\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/class-diagram-troubleshooting-infographic-marker-illustration.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83e\udde9 \u7406\u89e3\u6838\u5fc3\u5173\u7cfb\u7c7b\u578b<\/h2>\n<p>\u5728\u6392\u67e5\u95ee\u9898\u4e4b\u524d\uff0c\u5fc5\u987b\u7406\u89e3\u7c7b\u5173\u7cfb\u7684\u6807\u51c6\u672f\u8bed\u3002\u5f53\u672f\u8bed\u88ab\u6df7\u7528\uff0c\u6216\u89c6\u89c9\u7b26\u53f7\u4e0e\u9884\u671f\u8bed\u4e49\u4e0d\u5339\u914d\u65f6\uff0c\u5e38\u5e38\u4f1a\u4ea7\u751f\u6df7\u6dc6\u3002\u4ee5\u4e0b\u662f\u4f60\u4f1a\u9047\u5230\u7684\u4e3b\u8981\u5173\u7cfb\u7c7b\u578b\u7684\u5206\u89e3\u8bf4\u660e\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5173\u7cfb\u7c7b\u578b<\/th>\n<th>\u7b26\u53f7\u8868\u793a<\/th>\n<th>\u8bed\u4e49\u542b\u4e49<\/th>\n<th>\u5178\u578b\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5173\u8054<\/td>\n<td>\u76f4\u7ebf<\/td>\n<td>\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u6027\u8fde\u63a5\u3002<\/td>\n<td>\u5ba2\u6237\u8ba2\u8d2d\u4e00\u4e2a\u8ba2\u5355\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u805a\u5408<\/td>\n<td>\u7a7a\u5fc3\u83f1\u5f62<\/td>\n<td>\u6574\u4f53-\u90e8\u5206\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u3002<\/td>\n<td>\u4e00\u4e2a\u90e8\u95e8\u62e5\u6709\u5458\u5de5\uff08\u5458\u5de5\u53ef\u4ee5\u79bb\u5f00\u8be5\u90e8\u95e8\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u5408<\/td>\n<td>\u5b9e\u5fc3\u83f1\u5f62<\/td>\n<td>\u5f3a\u6574\u4f53-\u90e8\u5206\u5173\u7cfb\uff1b\u90e8\u5206\u65e0\u6cd5\u5728\u6ca1\u6709\u6574\u4f53\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u3002<\/td>\n<td>\u4e00\u680b\u623f\u5c4b\u62e5\u6709\u623f\u95f4\uff08\u5982\u679c\u623f\u5c4b\u88ab\u62c6\u9664\uff0c\u623f\u95f4\u4e5f\u5c06\u4e0d\u590d\u5b58\u5728\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7ee7\u627f<\/td>\n<td>\u5e26\u7a7a\u5fc3\u4e09\u89d2\u7bad\u5934\u7684\u76f4\u7ebf<\/td>\n<td>\u201c\u662f-\u4e00\u79cd\u201d\u5173\u7cfb\u3002\u7236\u7c7b\u63d0\u4f9b\u5171\u540c\u7684\u7ed3\u6784\u3002<\/td>\n<td>\u6c7d\u8f66\u662f\u4e00\u79cd\u8f66\u8f86\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4f9d\u8d56<\/td>\n<td>\u5e26\u7bad\u5934\u7684\u865a\u7ebf<\/td>\n<td>\u4f7f\u7528\u5173\u7cfb\u3002\u4e00\u4e2a\u7c7b\u4e34\u65f6\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\u3002<\/td>\n<td>\u62a5\u8868\u751f\u6210\u5668\u4f7f\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd0d \u5173\u7cfb\u5efa\u6a21\u4e2d\u7684\u5e38\u89c1\u9677\u9631<\/h2>\n<p>\u5f53\u4e00\u4e2a\u56fe\u8868\u5931\u8d25\u65f6\uff0c\u901a\u5e38\u662f\u56e0\u4e3a\u89c6\u89c9\u8868\u793a\u4e0e\u7cfb\u7edf\u903b\u8f91\u73b0\u5b9e\u4e4b\u95f4\u5b58\u5728\u8131\u8282\u3002\u4ee5\u4e0b\u662f\u5173\u7cfb\u7834\u88c2\u7684\u5177\u4f53\u573a\u666f\u3002<\/p>\n<h3>1. \u7ee7\u627f\u4e0e\u7ec4\u5408\u7684\u6df7\u6dc6<\/h3>\n<p>\u8fd9\u53ef\u80fd\u662f\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e2d\u6700\u5e38\u89c1\u7684\u9519\u8bef\u3002\u5f00\u53d1\u8005\u5e38\u5e38\u5728\u5e94\u8be5\u4f7f\u7528\u7ec4\u5408\u65f6\u9009\u62e9\u4e86\u7ee7\u627f\uff0c\u6216\u8005\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u79cd\u9009\u62e9\u51b3\u5b9a\u4e86\u7c7b\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u548c\u8026\u5408\u7a0b\u5ea6\u3002<\/p>\n<ul>\n<li><strong>\u75c7\u72b6\uff1a<\/strong> \u4f60\u6709\u4e00\u4e2a <code>WingedLion<\/code> \u7c7b\uff0c\u5b83\u4ece <code>Animal<\/code> \u548c <code>Machine<\/code>\u3002\u8fd9\u4f1a\u5bfc\u81f4\u83f1\u5f62\u7ee7\u627f\u95ee\u9898\u6216\u903b\u8f91\u77db\u76fe\uff08\u72ee\u5b50\u662f\u673a\u5668\u5417\uff1f\uff09<\/li>\n<li><strong>\u5f71\u54cd\uff1a<\/strong>\u4e0e\u7236\u7c7b\u7d27\u5bc6\u8026\u5408\uff0c\u91cd\u6784\u65f6\u8106\u5f31\uff0c\u8fdd\u53cd\u91cc\u6c0f\u66ff\u6362\u539f\u5219\u3002<\/li>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u95ee\u81ea\u5df1\uff1a\u201c\u8fd9\u662f\u4e0d\u662f\u4e00\u79cd <em>is-a<\/em> \u5173\u7cfb\uff1f\u201d\u5982\u679c\u4e00\u4e2a <code>Car<\/code> \u5728\u6bcf\u79cd\u60c5\u5883\u4e0b\u90fd\u4e0d\u662f\u4e25\u683c\u610f\u4e49\u4e0a\u7684 <code>Vehicle<\/code>\uff0c\u5e94\u8003\u8651\u4f7f\u7528\u7ec4\u5408\u3002\u5982\u679c\u4e00\u4e2a <code>Car<\/code> \u6709\u4e00\u4e2a <code>Engine<\/code>\uff0c\u53d1\u52a8\u673a\u662f\u4e00\u4e2a\u90e8\u4ef6\uff0c\u800c\u4e0d\u662f\u7236\u7c7b\u3002\u5bf9\u4e8e\u201c\u62e5\u6709-\u201d\u5173\u7cfb\uff0c\u5e94\u4f7f\u7528\u7ec4\u5408\u3002<\/li>\n<\/ul>\n<h3>2. \u5faa\u73af\u4f9d\u8d56<\/h3>\n<p>\u4f9d\u8d56\u5173\u7cfb\u5e94\u5355\u5411\u6d41\u52a8\u3002\u5f53\u7c7bA\u4f9d\u8d56\u7c7bB\uff0c\u800c\u7c7bB\u53c8\u4f9d\u8d56\u7c7bA\u65f6\uff0c\u5c31\u4f1a\u5f62\u6210\u5faa\u73af\u5f15\u7528\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u521d\u59cb\u5316\u9519\u8bef\uff0c\u6216\u9700\u8981\u590d\u6742\u7684\u4f9d\u8d56\u6ce8\u5165\u6a21\u5f0f\u6765\u89e3\u51b3\u542f\u52a8\u8fc7\u7a0b\u3002<\/p>\n<ul>\n<li><strong>\u75c7\u72b6\uff1a<\/strong> \u4f60\u7684\u4f9d\u8d56\u56fe\u4e2d\u5b58\u5728\u4e00\u4e2a\u73af\u3002\u6ca1\u6709B\u5c31\u65e0\u6cd5\u5b9e\u4f8b\u5316A\uff0c\u6ca1\u6709A\u5c31\u65e0\u6cd5\u5b9e\u4f8b\u5316B\u3002<\/li>\n<li><strong>\u5f71\u54cd\uff1a<\/strong> \u6a21\u5757\u5316\u7a0b\u5ea6\u964d\u4f4e\uff0c\u96be\u4ee5\u6d4b\u8bd5\u5404\u4e2a\u72ec\u7acb\u5355\u5143\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u53ef\u80fd\u5b58\u5728\u6808\u6ea2\u51fa\u9519\u8bef\u3002<\/li>\n<li><strong> \u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u5c06\u516c\u5171\u903b\u8f91\u63d0\u53d6\u5230\u7b2c\u4e09\u4e2a\u72ec\u7acb\u7684\u7c7b\uff08\u63a5\u53e3\u6216\u62bd\u8c61\u57fa\u7c7b\uff09\u4e2d\u3002A \u548c B \u90fd\u5e94\u4f9d\u8d56\u4e8e\u8fd9\u4e2a\u65b0\u7684\u62bd\u8c61\uff0c\u4ece\u800c\u6253\u7834\u5b83\u4eec\u4e4b\u95f4\u7684\u76f4\u63a5\u8054\u7cfb\u3002\u6216\u8005\uff0c\u5f15\u5165\u4e00\u4e2a\u4e2d\u95f4\u670d\u52a1\u6765\u7ba1\u7406\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<h3>3. \u591a\u91cd\u6027\u4e0d\u660e\u786e<\/h3>\n<p>\u591a\u91cd\u6027\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e4b\u95f4\u7684\u5173\u8054\u6570\u91cf\u3002\u7f3a\u5c11\u8fd9\u4e00\u7ec6\u8282\u4f1a\u4f7f\u8be5\u56fe\u5728\u5b9e\u73b0\u65f6\u6beb\u65e0\u7528\u5904\u3002<\/p>\n<ul>\n<li><strong> \u75c7\u72b6\uff1a<\/strong> \u5b58\u5728\u4e00\u6761\u5173\u7cfb\u7ebf\uff0c\u4f46\u6ca1\u6709\u6570\u5b57\u6807\u6ce8\uff08\u4f8b\u5982\uff0c<code>1<\/code>, <code>0..1<\/code>, <code>*<\/code>).<\/li>\n<li><strong> \u5f71\u54cd\uff1a<\/strong> \u5f00\u53d1\u4eba\u5458\u4f1a\u505a\u51fa\u5047\u8bbe\u3002\u6709\u4eba\u53ef\u80fd\u4f7f\u7528\u5355\u4e2a\u5f15\u7528\uff0c\u800c\u53e6\u4e00\u4eba\u5219\u5b9e\u73b0\u4e3a\u5217\u8868\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong> \u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u660e\u786e\u5b9a\u4e49\u57fa\u6570\u3002\u4f7f\u7528 <code>1<\/code> \u8868\u793a\u6070\u597d\u4e00\u4e2a\uff0c<code>0..1<\/code> \u8868\u793a\u53ef\u9009\uff0c\u4ee5\u53ca <code>*<\/code> \u6216 <code>0..*<\/code> \u8868\u793a\u591a\u4e2a\u3002\u786e\u4fdd\u5173\u8054\u7684\u4e24\u7aef\u90fd\u6b63\u786e\u6807\u6ce8\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd27 \u9010\u6b65\u6545\u969c\u6392\u67e5\u6d41\u7a0b<\/h2>\n<p>\u5f53\u4f60\u7684\u56fe\u8868\u4e0e\u4ee3\u7801\u4e0d\u4e00\u81f4\uff0c\u6216\u8005\u8bbe\u8ba1\u611f\u89c9\u201c\u4e0d\u5bf9\u52b2\u201d\u65f6\uff0c\u8bf7\u9075\u5faa\u6b64\u7ed3\u6784\u5316\u65b9\u6cd5\u6765\u8bc6\u522b\u5e76\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h3>\u6b65\u9aa4 1\uff1a\u9a8c\u8bc1\u65b9\u5411\u6027<\/h3>\n<p>\u7bad\u5934\u8868\u793a\u4f9d\u8d56\u7684\u65b9\u5411\u3002\u5982\u679c\u4f60\u5728 <code>\u7528\u6237<\/code> \u548c <code>\u8d44\u6599<\/code>\uff0c\u8c01\u4e86\u89e3\u8c01\uff1f<\/p>\n<ul>\n<li>\u8fd9\u4e2a <code>\u7528\u6237<\/code>\u5bf9\u8c61\u662f\u5426\u6301\u6709\u5bf9 <code>\u8d44\u6599<\/code>?<\/li>\n<li>\u8fd9\u4e2a <code>\u8d44\u6599<\/code>\u5bf9\u8c61\u662f\u5426\u6301\u6709\u5bf9 <code>\u7528\u6237<\/code>?<\/li>\n<\/ul>\n<p>\u5982\u679c\u4e24\u8005\u90fd\u4e3a\u771f\uff0c\u4f60\u9700\u8981\u4e00\u4e2a\u53cc\u5411\u5173\u8054\u3002\u5982\u679c\u53ea\u6709\u4e00\u65b9\u4e3a\u771f\uff0c\u8bf7\u786e\u4fdd\u7bad\u5934\u4ece\u4f9d\u8d56\u7c7b\u6307\u5411\u5df2\u77e5\u7c7b\u3002\u901a\u5e38\uff0c\u56fe\u793a\u4f1a\u4e0d\u52a0\u7406\u7531\u5730\u663e\u793a\u53cc\u5411\u7bad\u5934\uff0c\u9020\u6210\u89c6\u89c9\u6df7\u4e71\u3002<\/p>\n<h3>\u6b65\u9aa4 2\uff1a\u5ba1\u67e5\u53ef\u89c1\u6027\u4fee\u9970\u7b26<\/h3>\n<p>\u5c3d\u7ba1\u5728\u9ad8\u5c42\u56fe\u4e2d\u901a\u5e38\u7701\u7565\u53ef\u89c1\u6027\uff08public\u3001private\u3001protected\uff09\uff0c\u4f46\u5b83\u5bf9\u4e8e\u6392\u67e5\u5b9e\u73b0\u5931\u8d25\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u5173\u7cfb\u6697\u793a\u4e86\u4ea4\u4e92\uff0c\u8be5\u5c5e\u6027\u5fc5\u987b\u662f\u53ef\u8bbf\u95ee\u7684\u3002<\/p>\n<ul>\n<li>\u68c0\u67e5\u8be5\u5173\u7cfb\u662f\u5426\u6697\u793a\u4e86\u65b9\u6cd5\u8c03\u7528\u3002\u8be5\u65b9\u6cd5\u662f <code>\u516c\u5171\u7684<\/code>?<\/li>\n<li>\u68c0\u67e5\u8be5\u5173\u7cfb\u662f\u5426\u6697\u793a\u4e86\u5b57\u6bb5\u8bbf\u95ee\u3002\u8be5\u5b57\u6bb5\u662f <code>\u79c1\u6709\u7684<\/code>?<\/li>\n<\/ul>\n<p>\u5982\u679c\u56fe\u793a\u6697\u793a\u4e86\u5bf9\u79c1\u6709\u5b57\u6bb5\u7684\u76f4\u63a5\u8bbf\u95ee\uff0c\u90a3\u4e48\u8bbe\u8ba1\u662f\u6709\u7f3a\u9677\u7684\u3002\u5e94\u91cd\u6784\u4e3a\u4f7f\u7528getter\u65b9\u6cd5\u6216\u63a5\u53e3\u65b9\u6cd5\u3002<\/p>\n<h3>\u6b65\u9aa4 3\uff1a\u5ba1\u67e5\u751f\u547d\u5468\u671f\u7ea6\u675f<\/h3>\n<p>\u805a\u5408\u548c\u7ec4\u5408\u5e38\u5e38\u88ab\u6df7\u6dc6\uff0c\u56e0\u4e3a\u4e24\u8005\u90fd\u770b\u8d77\u6765\u50cf\u201c\u90e8\u5206-\u6574\u4f53\u201d\u5173\u7cfb\u3002\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002<\/p>\n<ul>\n<li><strong>\u7ec4\u5408\uff1a<\/strong> \u5982\u679c\u7236\u5bf9\u8c61\u88ab\u9500\u6bc1\uff0c\u5b50\u5bf9\u8c61\u4e5f\u4f1a\u88ab\u9500\u6bc1\u3002\uff08\u5b9e\u5fc3\u83f1\u5f62\uff09\u3002<\/li>\n<li><strong>\u805a\u5408\uff1a<\/strong> \u5b50\u5bf9\u8c61\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u3002\uff08\u7a7a\u5fc3\u83f1\u5f62\uff09\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u7684\u56fe\u793a\u663e\u793a\u4e3a\u5b9e\u5fc3\u83f1\u5f62\uff0c\u4f46\u4ee3\u7801\u5141\u8bb8\u5b50\u5bf9\u8c61\u5728\u591a\u4e2a\u7236\u5bf9\u8c61\u4e4b\u95f4\u5171\u4eab\uff0c\u90a3\u4e48\u4f60\u5bf9\u7ec4\u5408\u7684\u5efa\u6a21\u662f\u9519\u8bef\u7684\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u6216\u610f\u5916\u7684\u6570\u636e\u4e22\u5931\u3002<\/p>\n<h2>\ud83d\udcc9 \u6df1\u5165\u63a2\u8ba8\uff1a\u5173\u8054\u4e0e\u57fa\u6570<\/h2>\n<p>\u5173\u8054\u662f\u7c7b\u56fe\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u5b9a\u4e49\u4e86\u7ed3\u6784\u4e0a\u7684\u8fde\u63a5\u3002\u6392\u67e5\u5173\u8054\u95ee\u9898\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u6570\u636e\u6240\u53d7\u7684\u7ea6\u675f\u3002<\/p>\n<h3>\u591a\u5bf9\u591a\u5173\u7cfb<\/h3>\n<p>\u5728\u5173\u7cfb\u6570\u636e\u5e93\u6216\u5bf9\u8c61\u56fe\u4e2d\u76f4\u63a5\u5efa\u6a21\u591a\u5bf9\u591a\u5173\u7cfb\uff08\u4f8b\u5982\uff0c\u5b66\u751f\u548c\u8bfe\u7a0b\uff09\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u4e2d\u95f4\u7c7b\u3002\u5728\u7c7b\u56fe\u4e2d\uff0c\u8fd9\u53ef\u80fd\u8868\u73b0\u4e3a\u4e00\u6761\u4e24\u7aef\u5e26\u6709<code>*<\/code>\u7684\u76f4\u7ebf\u3002\u7136\u800c\uff0c\u5728\u5b9e\u73b0\u4e2d\uff0c\u8fd9\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u5173\u8054\u5b9e\u4f53\u3002<\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u4f60\u65e0\u6cd5\u5728\u8fde\u7ebf\u672c\u8eab\u5b58\u50a8\u5173\u7cfb\u7684\u5143\u6570\u636e\uff08\u4f8b\u5982\uff0c\u5b66\u751f\u9009\u8bfe\u7684\u65e5\u671f\uff09\u3002<\/li>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>\u5f15\u5165\u4e00\u4e2a\u5173\u8054\u7c7b\u3002\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7c7b\uff08\u4f8b\u5982\uff0c<code>\u6ce8\u518c<\/code>\uff09\uff0c\u5b83\u8fde\u63a5<code>\u5b66\u751f<\/code>\u548c<code>\u8bfe\u7a0b<\/code>\u3002\u8be5\u7c7b\u4fdd\u5b58\u5173\u7cfb\u7684\u7279\u5b9a\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<h3>\u53ef\u9009\u4e0e\u5fc5\u9009\u94fe\u63a5<\/h3>\n<p>\u5bf9\u5fc5\u9009\uff081\uff09\u548c\u53ef\u9009\uff080..1\uff09\u5173\u7cfb\u7684\u6df7\u6dc6\u4f1a\u5bfc\u81f4\u9a8c\u8bc1\u9519\u8bef\u3002<\/p>\n<ul>\n<li><strong>\u573a\u666f\uff1a<\/strong>\u4e00\u4e2a<code>\u94f6\u884c\u8d26\u6237<\/code>\u4e0e\u4e00\u4e2a<code>\u5ba2\u6237<\/code>.<\/li>\n<li><strong>\u95ee\u9898\uff1a<\/strong>\u5ba2\u6237\u53ef\u4ee5\u6ca1\u6709\u8d26\u6237\u800c\u5b58\u5728\u5417\uff1f<\/li>\n<li><strong>\u8bbe\u8ba1\uff1a<\/strong>\u5982\u679c\u53ef\u4ee5\uff0c\u4ece\u5ba2\u6237\u5230\u8d26\u6237\u7684\u94fe\u63a5\u662f<code>0..1<\/code>\u3002\u5982\u679c\u4e0d\u884c\uff0c\u5219\u662f<code>1<\/code>.<\/li>\n<\/ul>\n<p>\u9519\u8bef\u5730\u5c06\u5fc5\u586b\u94fe\u63a5\u6807\u8bb0\u4e3a\u53ef\u9009\uff0c\u4f1a\u5bfc\u81f4\u5728\u4e1a\u52a1\u903b\u8f91\u8981\u6c42\u6709\u6570\u636e\u7684\u5730\u65b9\u51fa\u73b0\u7a7a\u503c\u3002\u9519\u8bef\u5730\u5c06\u53ef\u9009\u94fe\u63a5\u6807\u8bb0\u4e3a\u5fc5\u586b\uff0c\u4f1a\u5f3a\u5236\u8f93\u5165\u53ef\u80fd\u65e0\u6cd5\u83b7\u53d6\u7684\u6570\u636e\u3002<\/p>\n<h2>\ud83d\udd04 \u4f9d\u8d56\u7ba1\u7406<\/h2>\n<p>\u4f9d\u8d56\u5173\u7cfb\u662f\u6700\u4e0d\u7a33\u5b9a\u7684\u5173\u7cfb\u3002\u5b83\u4eec\u8868\u793a\u4f7f\u7528\u5173\u7cfb\uff0c\u800c\u975e\u62e5\u6709\u5173\u7cfb\u3002\u5982\u679cB\u7684\u53d8\u66f4\u53ef\u80fd\u9700\u8981A\u8fdb\u884c\u76f8\u5e94\u53d8\u66f4\uff0c\u5219\u7c7bA\u4f9d\u8d56\u4e8e\u7c7bB\u3002<\/p>\n<h3>\u4f9d\u8d56\u5012\u7f6e\u539f\u5219<\/h3>\n<p>\u9ad8\u5c42\u6a21\u5757\u4e0d\u5e94\u4f9d\u8d56\u4f4e\u5c42\u6a21\u5757\u3002\u4e24\u8005\u90fd\u5e94\u4f9d\u8d56\u62bd\u8c61\u3002\u5728\u6392\u67e5\u95ee\u9898\u65f6\uff0c\u5e94\u68c0\u67e5\u4f9d\u8d56\u4e2d\u662f\u5426\u5b58\u5728\u5bf9\u5177\u4f53\u7c7b\u7684\u76f4\u63a5\u5b9e\u4f8b\u5316\u3002<\/p>\n<ul>\n<li><strong>\u4e0d\u826f\u6a21\u5f0f\uff1a<\/strong> <code>\u62a5\u8868\u751f\u6210\u5668<\/code> \u76f4\u63a5\u5b9e\u4f8b\u5316 <code>MySQL\u8fde\u63a5<\/code> \u76f4\u63a5\u5b9e\u4f8b\u5316\u3002<\/li>\n<li><strong>\u826f\u597d\u6a21\u5f0f\uff1a<\/strong> <code>\u62a5\u8868\u751f\u6210\u5668<\/code> \u4f9d\u8d56\u4e8e\u4e00\u4e2a\u63a5\u53e3 <code>\u6570\u636e\u5e93\u8fde\u63a5<\/code>.<\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u7684\u56fe\u8868\u663e\u793a\u4ece\u9ad8\u5c42\u7c7b\u5230\u7279\u5b9a\u5b9e\u73b0\u7c7b\u7684\u865a\u7ebf\uff0c\u5e94\u8003\u8651\u91cd\u6784\u4e3a\u63a5\u53e3\u3002\u8fd9\u53ef\u4ee5\u964d\u4f4e\u8026\u5408\u5ea6\uff0c\u4f7f\u56fe\u8868\u5bf9\u5e95\u5c42\u6280\u672f\u53d8\u66f4\u66f4\u5177\u7075\u6d3b\u6027\u3002<\/p>\n<h3>\u4f20\u9012\u4f9d\u8d56<\/h3>\n<p>\u4e00\u4e2a\u5e38\u89c1\u9519\u8bef\u662f\u4e3a\u95f4\u63a5\u5173\u7cfb\u7ed8\u5236\u8fde\u7ebf\u3002\u5982\u679c\u7c7bA\u4f7f\u7528\u7c7bB\uff0c\u800c\u7c7bB\u4f7f\u7528\u7c7bC\uff0c\u5219\u65e0\u9700\u4eceA\u5230C\u7ed8\u5236\u8fde\u7ebf\u3002<\/p>\n<ul>\n<li><strong>\u89c4\u5219\uff1a<\/strong> \u4ec5\u7ed8\u5236\u76f4\u63a5\u4f9d\u8d56\u3002<\/li>\n<li><strong>\u539f\u56e0\uff1a<\/strong>\u4f20\u9012\u4f9d\u8d56\u4f1a\u4f7f\u56fe\u8868\u6742\u4e71\uff0c\u63a9\u76d6\u5b9e\u9645\u7684\u8d23\u4efb\u8fb9\u754c\u3002\u5b83\u4eec\u6697\u793aA\u5bf9C\u6709\u76f4\u63a5\u4e86\u89e3\uff0c\u800c\u5b9e\u9645\u4e0a\u5e76\u975e\u5982\u6b64\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfa8 \u89c6\u89c9\u6e05\u6670\u5ea6\u4e0e\u7ef4\u62a4<\/h2>\n<p>\u65e0\u6cd5\u9605\u8bfb\u7684\u56fe\u8868\u7b49\u540c\u4e8e\u6ca1\u6709\u56fe\u8868\u3002\u5728\u6392\u67e5\u95ee\u9898\u65f6\uff0c\u5e94\u5c06\u89c6\u89c9\u5e03\u5c40\u89c6\u4e3a\u4e00\u79cd\u8c03\u8bd5\u5de5\u5177\u3002<\/p>\n<h3>\u4ea4\u53c9\u8fde\u7ebf<\/h3>\n<p>\u5f53\u5173\u7cfb\u8fde\u7ebf\u5728\u6ca1\u6709\u8fde\u63a5\u70b9\u7684\u60c5\u51b5\u4e0b\u76f8\u4e92\u4ea4\u53c9\u65f6\uff0c\u610f\u5473\u7740\u4e24\u8005\u4e4b\u95f4\u4e0d\u5b58\u5728\u5173\u7cfb\u3002\u7136\u800c\uff0c\u8fd9\u4f1a\u4ea7\u751f\u89c6\u89c9\u5e72\u6270\u3002<\/p>\n<ul>\n<li><strong>\u7b56\u7565\uff1a<\/strong> \u4f7f\u7528\u201c\u6b63\u4ea4\u5e03\u7ebf\u201d\u98ce\u683c\uff08\u4ec5\u6c34\u5e73\u6216\u5782\u76f4\u79fb\u52a8\u7684\u8fde\u7ebf\uff09\u4ee5\u6700\u5c0f\u5316\u4ea4\u53c9\u3002<\/li>\n<li><strong>\u7b56\u7565\uff1a<\/strong> \u5982\u679c\u7ebf\u6761\u5fc5\u987b\u4ea4\u53c9\uff0c\u8bf7\u786e\u4fdd\u5b83\u4eec\u4e0e\u5b9e\u9645\u7684\u4ea4\u70b9\u660e\u663e\u533a\u5206\u5f00\u6765\uff08\u901a\u5e38\u8868\u793a\u4e09\u5143\u5173\u7cfb\u6216\u5bfc\u822a\u8def\u5f84\uff09\u3002<\/li>\n<\/ul>\n<h3>\u5206\u7ec4\u4e0e\u5305<\/h3>\n<p>\u968f\u7740\u7cfb\u7edf\u89c4\u6a21\u7684\u589e\u957f\uff0c\u5355\u4e00\u7684\u56fe\u8868\u4f1a\u53d8\u5f97\u4ee4\u4eba\u96be\u4ee5\u627f\u53d7\u3002\u5982\u679c\u65e0\u6cd5\u5b9a\u4f4d\u5230\u7279\u5b9a\u7684\u7c7b\uff0c\u6545\u969c\u6392\u67e5\u5c06\u53d8\u5f97\u4e0d\u53ef\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5305\uff1a<\/strong> \u5c06\u76f8\u5173\u7684\u7c7b\u5206\u7ec4\u5230\u903b\u8f91\u5305\u4e2d\uff08\u4f8b\u5982\uff0c<code>\u9886\u57df<\/code>, <code>\u670d\u52a1<\/code>, <code>\u57fa\u7840\u8bbe\u65bd<\/code>).<\/li>\n<li><strong>\u4f7f\u7528\u5b50\u56fe\uff1a<\/strong> \u4e0d\u8981\u5728\u5355\u4e00\u89c6\u56fe\u4e2d\u5c55\u793a\u6240\u6709\u7ec6\u8282\u3002\u521b\u5efa\u4e00\u4e2a\u9ad8\u5c42\u6982\u89c8\u56fe\uff0c\u5e76\u6df1\u5165\u5230\u7279\u5b9a\u5b50\u7cfb\u7edf\u4ee5\u5c55\u793a\u8be6\u7ec6\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udee0 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