{"id":200643,"date":"2025-05-06T09:07:42","date_gmt":"2025-05-06T01:07:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200643\/"},"modified":"2025-05-06T09:07:42","modified_gmt":"2025-05-06T01:07:42","slug":"mysql-%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%af%a2%e4%b8%ad%e5%a6%82%e4%bd%95%e8%bd%ac%e4%b9%89-%e7%ac%a6%e5%8f%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200643\/","title":{"rendered":"MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\u5982\u4f55\u8f6c\u4e49 % \u7b26\u53f7\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\u5982\u4f55\u8f6c\u4e49 % \u7b26\u53f7\uff1f<\/h1>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/173123141167307eb3e8ec5.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mysql \u6a21\u7cca\u67e5\u8be2 % \u8f6c\u4e49\u96be\u9898<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 mysql \u6267\u884c\u6a21\u7cca\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u60a8\u9700\u8981\u67e5\u8be2\u5305\u542b % \u7b26\u53f7\u7684\u5185\u5bb9\uff0c\u5219\u9700\u8981\u5c06 % \u7b26\u53f7\u8f6c\u4e49\uff0c\u4ee5\u514d\u5b83\u88ab\u6a21\u7cca\u67e5\u8be2\u5f15\u64ce\u89c6\u4f5c\u901a\u914d\u7b26\u3002<\/p>\n<p><strong>go \u4e2d\u7684\u8f6c\u4e49\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 go \u4e2d\uff0c\u53ef\u4ee5\u53c2\u8003 go-gorm \u5e93\u63d0\u4f9b\u7684\u4fbf\u6377\u65b9\u6cd5 escapelike \u6765\u8f6c\u4e49\u67e5\u8be2\u5185\u5bb9\u3002<\/p>\n<pre>query := escapeLike(\"%\", \"%\", \"%\")<\/pre>\n<p><strong>escapelike \u51fd\u6570\u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n<p>escapelike \u51fd\u6570\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u8ba1\u7b97\u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26\u6570\u3002<\/li>\n<li>\u5982\u679c\u6ca1\u6709\u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u62fc\u63a5\u540e\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u9010\u4e2a\u904d\u5386\u67e5\u8be2\u5185\u5bb9\uff0c\u5c06\u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26\uff08\u5982 %\u3001_\u3001\uff09\u524d\u6dfb\u52a0\u4e00\u4e2a\u53cd\u659c\u6760 \u3002<\/li>\n<\/ol>\n<p><strong>\u5176\u4ed6\u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26<\/strong><\/p>\n<p>\u9664\u4e86 % \u7b26\u53f7\u5916\uff0c\u5728 mysql \u6a21\u7cca\u67e5\u8be2\u4e2d\u8fd8\u9700\u8981\u8f6c\u4e49\u4ee5\u4e0b\u5b57\u7b26\uff1a<\/p>\n<ul>\n<li>_<\/li>\n<li><\/li>\n<\/ul>\n<p><strong>\u5b98\u65b9\u6587\u6863\u53c2\u8003<\/strong><\/p>\n<p>\u6709\u5173\u8f6c\u4e49 mysql \u6a21\u7cca\u67e5\u8be2\u5b57\u7b26\u7684\u5b98\u65b9\u6587\u6863\uff1a<\/p>\n<ul>\n<li>[like operator](https:\/\/dev.mysql.com\/doc\/refman\/8.0\/en\/like.html)<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aMySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\u5982\u4f55\u8f6c\u4e49 % \u7b26\u53f7\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u6a21\u7cca\u67e5\u8be2\u4e2d\u5982\u4f55\u8f6c\u4e49 &#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-200643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200643","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=200643"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200643\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}