{"id":200776,"date":"2025-05-06T14:01:34","date_gmt":"2025-05-06T06:01:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200776\/"},"modified":"2025-05-06T14:01:34","modified_gmt":"2025-05-06T06:01:34","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-mysql-%e7%9a%84-find_in_set-%e5%87%bd%e6%95%b0%e7%b2%be%e7%a1%ae%e5%8c%b9%e9%85%8d%e5%8c%85%e5%90%ab%e7%89%b9%e5%ae%9a%e5%80%bc%e7%9a%84%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200776\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 MySQL \u7684 find_in_set() \u51fd\u6570\u7cbe\u786e\u5339\u914d\u5305\u542b\u7279\u5b9a\u503c\u7684\u5b57\u6bb5\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 MySQL \u7684 find_in_set() \u51fd\u6570\u7cbe\u786e\u5339\u914d\u5305\u542b\u7279\u5b9a\u503c\u7684\u5b57\u6bb5\uff1f<\/h1>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u5982\u4f55\u4f7f\u7528 MySQL \u7684 find_in_set() \u51fd\u6570\u7cbe\u786e\u5339\u914d\u5305\u542b\u7279\u5b9a\u503c\u7684\u5b57\u6bb5\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241114\/173156620967359a8163f2a.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7cbe\u786e\u5339\u914d\u5305\u542b\u7279\u5b9a\u503c\u7684\u5b57\u6bb5<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 mysql \u7684 find_in_set() \u51fd\u6570\uff0c\u4ee5\u786e\u5b9a\u67d0\u4e2a\u5b57\u6bb5\u7684\u503c\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u5b50\u5b57\u7b26\u4e32\u3002\u8fd9\u5bf9\u4e8e\u67e5\u627e\u5305\u542b\u9017\u53f7\u5206\u9694\u503c\u7684\u5b57\u6bb5\u7279\u522b\u6709\u7528\uff0c\u56e0\u4e3a\u6a21\u7cca\u67e5\u8be2\u65e0\u6cd5\u51c6\u786e\u5339\u914d\u8fd9\u4e9b\u503c\u3002<\/p>\n<p><strong>\u4f7f\u7528 find_in_set() \u67e5\u8be2<\/strong><\/p>\n<p>\u8981\u4f7f\u7528 find_in_set() \u51fd\u6570\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>select * from \u8868\u540d where find_in_set(\u5b50\u5b57\u7b26\u4e32, \u5b57\u6bb5\u540d) &gt; 0<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>\u5b50\u5b57\u7b26\u4e32 \u662f\u8981\u67e5\u627e\u7684\u7279\u5b9a\u503c\u3002<\/li>\n<li>\u5b57\u6bb5\u540d \u662f\u8981\u641c\u7d22\u7684\u5b57\u6bb5\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p><strong>\u5e94\u7528\u4e8e\u4f60\u7684\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u4f60\u7684\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 find_in_set() \u51fd\u6570\u4ee5\u6570\u5b57 35 \u4e3a\u76ee\u6807\u67e5\u627e ids \u5b57\u6bb5\uff1a<\/p>\n<pre>SELECT * FROM \u8868\u540d WHERE FIND_IN_SET(35, ids) &gt; 0<\/pre>\n<p>\u8be5\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709 ids \u5b57\u6bb5\u5305\u542b\u5b50\u5b57\u7b26\u4e32 &#8220;35&#8221; \u7684\u884c\uff0c\u5e76\u4e14\u53ea\u5305\u542b\u7b26\u5408\u6761\u4ef6 &#8220;34,35,36,37&#8221; \u7684\u884c\uff0c\u800c\u4e0d\u5305\u542b &#8220;350&#8221; \u884c\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u4f7f\u7528 MySQL \u7684 find_in_set() \u51fd\u6570\u7cbe\u786e\u5339\u914d\u5305\u542b\u7279\u5b9a\u503c\u7684\u5b57\u6bb5\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 MySQL \u7684 fin&#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-200776","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200776","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=200776"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200776\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}