{"id":200687,"date":"2025-05-06T14:11:56","date_gmt":"2025-05-06T06:11:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200687\/"},"modified":"2025-05-06T14:11:56","modified_gmt":"2025-05-06T06:11:56","slug":"mysql-%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%af%a2%e4%b8%ad%ef%bc%8c%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5%e6%96%b9%e5%bc%8f%e4%b8%ba%e4%bd%95%e4%bc%9a%e5%bd%b1%e5%93%8d%e6%9f%a5%e8%af%a2%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200687\/","title":{"rendered":"MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\uff0c\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\u4e3a\u4f55\u4f1a\u5f71\u54cd\u67e5\u8be2\u7ed3\u679c\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\uff0c\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\u4e3a\u4f55\u4f1a\u5f71\u54cd\u67e5\u8be2\u7ed3\u679c\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u6216\u8005\u662f\u5bf9\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17313217686731dfa87fa37.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6d45\u6790\u6a21\u7cca\u67e5\u8be2\u8bed\u53e5\u4e2d\u7684\u5b57\u7b26\u4e32\u62fc\u63a5<\/strong><\/p>\n<p>\u5728 mysql \u4e2d\u4f7f\u7528\u6a21\u7cca\u67e5\u8be2\u65f6\uff0c\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u65b9\u5f0f\u4f1a\u5f71\u54cd\u67e5\u8be2\u7ed3\u679c\u3002\u4ee5\u4e0b\u4ee3\u7801\u6bb5\u4e2d\u7684\u4e24\u4e2a\u67e5\u8be2\u8bed\u53e5\u91c7\u7528\u4e0d\u540c\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\uff1a<\/p>\n<pre>select * from `user` where username like \"%\" 'name' \"%\" (\u53ef\u4ee5\u67e5\u51fa\u6570\u636e)\nselect * from `user` where username like \"%\" \"name\" \"%\" (\u67e5\u4e0d\u51fa\u6765\u6570\u636e)<\/pre>\n<p>\u7b2c\u4e00\u79cd\u5199\u6cd5\u53ef\u4ee5\u67e5\u51fa\u6570\u636e\uff0c\u800c\u7b2c\u4e8c\u79cd\u5219\u67e5\u4e0d\u51fa\u6570\u636e\u3002\u8fd9\u662f\u56e0\u4e3a\u5728 mysql \u4e2d\uff0c\u5982\u679c\u591a\u4e2a\u5b57\u7b26\u4e32\u4e4b\u95f4\u6ca1\u6709\u4f7f\u7528\u7a7a\u683c\u5206\u9694\uff0c\u90a3\u4e48\u8fd9\u4e9b\u5b57\u7b26\u4e32\u4f1a\u88ab\u89e3\u6790\u4e3a\u4e00\u4e2a\u6574\u4f53\u3002\u56e0\u6b64\uff0c\u7b2c\u4e00\u4e2a\u67e5\u8be2\u8bed\u53e5\u5b9e\u9645\u4e0a\u662f\u5bf9 username \u5b57\u6bb5\u8fdb\u884c\u6a21\u7cca\u5339\u914d &#8216;%name%&#8217;\uff0c\u800c\u7b2c\u4e8c\u4e2a\u67e5\u8be2\u8bed\u53e5\u662f\u5bf9 username \u5b57\u6bb5\u8fdb\u884c\u6a21\u7cca\u5339\u914d &#8216;%&#8221;name&#8221;%&#8217;\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cmysql \u5e76\u4e0d\u63a8\u8350\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u67e5\u8be2\u8bed\u53e5\u4e2d\u90a3\u6837\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\u3002\u6b63\u786e\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\u5e94\u4f7f\u7528\u7a7a\u683c\u5206\u9694\uff0c\u6216\u4f7f\u7528 concat \u51fd\u6570\u6216 concat_ws \u51fd\u6570\u8fdb\u884c\u62fc\u63a5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\uff0c\u5b57\u7b26\u4e32\u62fc&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200687","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200687"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200687\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}