{"id":200713,"date":"2025-05-06T10:04:17","date_gmt":"2025-05-06T02:04:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200713\/"},"modified":"2025-05-06T10:04:17","modified_gmt":"2025-05-06T02:04:17","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mysql-find_in_set%e5%87%bd%e6%95%b0%e6%9f%a5%e8%af%a2%e5%ad%97%e6%ae%b5%e5%8c%85%e5%90%ab%e6%8c%87%e5%ae%9a%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200713\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528MySQL find_in_set\u51fd\u6570\u67e5\u8be2\u5b57\u6bb5\u5305\u542b\u6307\u5b9a\u503c\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528MySQL find_in_set\u51fd\u6570\u67e5\u8be2\u5b57\u6bb5\u5305\u542b\u6307\u5b9a\u503c\uff1f<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17313912456732ef0da5dda.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5229\u7528 mysql \u7684 find_in_set \u51fd\u6570\u67e5\u8be2\u5b57\u6bb5\u5305\u542b\u6307\u5b9a\u503c<\/strong><\/p>\n<p>\u5728 mysql \u6570\u636e\u5e93\u4e2d\uff0c\u5f53\u8868\u5b57\u6bb5\u5305\u542b\u4ee5\u9017\u53f7\u5206\u9694\u7684\u591a\u4e2a\u503c\u65f6\uff0c\u6211\u4eec\u65e0\u6cd5\u50cf\u6a21\u7cca\u67e5\u8be2\u90a3\u6837\u76f4\u63a5\u627e\u5230\u5339\u914d\u6307\u5b9a\u503c\u7684\u8bb0\u5f55\u3002\u8fd9\u65f6\uff0cfind_in_set \u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u89e3\u51b3\u6b64\u95ee\u9898\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u8868\u540d\u4e3a &#8220;test&#8221;\uff0c\u5176\u4e2d\u5305\u542b\u4ee5\u4e0b &#8220;ids&#8221; \u5b57\u6bb5\u503c\uff1a<\/p>\n<pre>| ids |\n|---|---|\n| null |\n| 350 |\n| 34,35,36,37 |<\/pre>\n<p>\u5982\u679c\u6211\u4eec\u9700\u8981\u67e5\u627e\u5305\u542b\u6570\u5b57 &#8220;35&#8221; \u7684\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>select * from test where find_in_set(35, ids)<\/pre>\n<p>find_in_set \u51fd\u6570\u5c06 &#8220;35&#8221; \u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5c06 &#8220;ids&#8221; \u5b57\u6bb5\u503c\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\uff0c\u8868\u793a &#8220;35&#8221; \u5728 &#8220;ids&#8221; \u5b57\u6bb5\u503c\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u8fd4\u56de 0\u3002<\/p>\n<p>\u4e0a\u9762\u5199\u51fa\u7684\u67e5\u8be2\u5b9e\u9645\u4e0a\u5bfb\u627e &#8220;ids&#8221; \u5b57\u6bb5\u503c\u4e2d\u5305\u542b &#8220;35&#8221; \u7684\u8bb0\u5f55\uff0c\u56e0\u6b64\u5b83\u5c06\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre>| ids |\n|---|---|\n| 34,35,36,37 |<\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5373\u4f7f &#8220;350&#8221; \u4e5f\u5305\u542b\u6570\u5b57 &#8220;35&#8221;\uff0c\u4f46\u5b83\u4e0d\u5305\u542b\u5728\u7531\u9017\u53f7\u5206\u9694\u7684\u7eaf\u6570\u5b57\u5b57\u7b26\u4e32\u4e2d\uff0c\u56e0\u6b64 find_in_set \u51fd\u6570\u4e0d\u4f1a\u5c06\u5176\u5339\u914d\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u4f7f\u7528MySQL find_in_set\u51fd\u6570\u67e5\u8be2\u5b57\u6bb5\u5305\u542b\u6307\u5b9a\u503c\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\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>\u5982\u4f55\u4f7f\u7528MySQL find_i&#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-200713","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200713","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=200713"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200713\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}