{"id":200599,"date":"2025-05-06T13:28:54","date_gmt":"2025-05-06T05:28:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200599\/"},"modified":"2025-05-06T13:28:54","modified_gmt":"2025-05-06T05:28:54","slug":"mysql-%e9%95%bf%e5%9c%b0%e5%9d%80%e4%b8%ad%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%af%a2%e5%8c%b9%e9%85%8d%e9%95%87%e5%8c%ba%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bb%8e%e9%95%bf%e5%9c%b0%e5%9d%80%e5%ad%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200599\/","title":{"rendered":"MySQL \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a\uff1a\u5982\u4f55\u4ece\u957f\u5730\u5740\u5b57\u7b26\u4e32\u4e2d\u7cbe\u51c6\u5b9a\u4f4d\u5e76\u63d0\u53d6\u9547\u533a\u4fe1\u606f\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a\uff1a\u5982\u4f55\u4ece\u957f\u5730\u5740\u5b57\u7b26\u4e32\u4e2d\u7cbe\u51c6\u5b9a\u4f4d\u5e76\u63d0\u53d6\u9547\u533a\u4fe1\u606f\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aMySQL \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a\uff1a\u5982\u4f55\u4ece\u957f\u5730\u5740\u5b57\u7b26\u4e32\u4e2d\u7cbe\u51c6\u5b9a\u4f4d\u5e76\u63d0\u53d6\u9547\u533a\u4fe1\u606f\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731134546672f0452c6877.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mysql \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5982\u4f55\u4ece mysql \u8868\u4e2d\u6a21\u7cca\u67e5\u8be2\u4e00\u4e2a\u5730\u5740\u4e2d\u7684\u9547\u533a\uff0c\u8be5\u5730\u5740\u5305\u542b\u4e00\u6761\u5f88\u957f\u7684\u5b57\u7b26\u4e32\uff1f\u4f20\u7edf\u7684 like \u548c find_in_set \u51fd\u6570\u65e0\u6cd5\u5339\u914d\u5230\u6240\u9700\u7684\u9547\u533a\u3002<\/p>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 locate() \u6216 position() \u51fd\u6570\u6765\u89e3\u51b3\u6b64\u95ee\u9898\u3002\u8fd9\u4e24\u4e2a\u51fd\u6570\u53ef\u4ee5\u67e5\u627e\u4e00\u4e2a\u5b50\u5b57\u7b26\u4e32\u5728\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u8bed\u53e5\uff1a<\/strong><\/p>\n<pre>select * from table_name\nwhere locate('\u4e1c\u9547', address_column) &gt; 0;<\/pre>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u8868\u4e2d\u8fd8\u6709\u4ee5\u4e0b\u6570\u636e\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>id<\/th>\n<th>town<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5<\/td>\n<td>\u5317\u4eac\u5e02\u671d\u9633\u533a\u4e1c\u9547\u5e78\u798f\u5c0f\u533a6\u5e625\u697c401\u623f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f7f\u7528\u4e0a\u9762\u7684\u8bed\u53e5\u67e5\u8be2\uff0c\u53ef\u4ee5\u5339\u914d\u5230\u5e26\u6709 &#8220;\u4e1c\u9547&#8221; \u5b57\u7b26\u4e32\u7684\u8bb0\u5f55\uff0c\u5373\u4f7f\u8be5\u8bb0\u5f55\u5305\u542b\u4e00\u4e2a\u5f88\u957f\u7684\u5730\u5740\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u6548\u679c\uff1a<\/strong><\/p>\n<pre>id  town\n1   \u4e1c\u9547<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300aMySQL \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a\uff1a\u5982\u4f55\u4ece\u957f\u5730\u5740\u5b57\u7b26\u4e32\u4e2d\u7cbe\u51c6\u5b9a\u4f4d\u5e76\u63d0\u53d6\u9547\u533a\u4fe1\u606f\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d&#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-200599","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200599","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=200599"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200599\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}