{"id":7414,"date":"2024-11-14T15:09:47","date_gmt":"2024-11-14T07:09:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7414\/"},"modified":"2024-11-14T15:09:47","modified_gmt":"2024-11-14T07:09:47","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:\/\/fwq.ai\/blog\/7414\/","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":"

\"MySQL<\/p>\n

\u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong><\/p>\n

\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

\u89e3\u7b54\uff1a<\/strong><\/p>\n

\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

\u8bed\u53e5\uff1a<\/strong><\/p>\n

select * from table_name\nwhere locate('\u4e1c\u9547', address_column) > 0;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
\u5047\u8bbe\u8868\u4e2d\u8fd8\u6709\u4ee5\u4e0b\u6570\u636e\uff1a<\/p>\n\n\n\n\n\n
id<\/th>\ntown<\/th>\n<\/tr>\n<\/thead>\n
5<\/td>\n\u5317\u4eac\u5e02\u671d\u9633\u533a\u4e1c\u9547\u5e78\u798f\u5c0f\u533a6\u5e625\u697c401\u623f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4f7f\u7528\u4e0a\u9762\u7684\u8bed\u53e5\u67e5\u8be2\uff0c\u53ef\u4ee5\u5339\u914d\u5230\u5e26\u6709 “\u4e1c\u9547” \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
\u6548\u679c\uff1a<\/strong><\/p>\n
id  town\n1   \u4e1c\u9547<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fMySQL \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\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u957f\u5730\u5740\u4e2d\u6a21\u7cca\u67e5\u8be2\u5339\u914d\u9547\u533a \u95ee\u9898\uff1a \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 \u89e3\u7b54\uff1a \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 \u8bed\u53e5\uff1a select * from table_name where locate(‘\u4e1c\u9547’, address_column) > 0; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u5047\u8bbe\u8868\u4e2d\u8fd8\u6709\u4ee5\u4e0b\u6570\u636e\uff1a id town 5 \u5317\u4eac\u5e02\u671d\u9633\u533a\u4e1c\u9547\u5e78\u798f\u5c0f\u533a6\u5e625\u697c401\u623f \u4f7f\u7528\u4e0a\u9762\u7684\u8bed\u53e5\u67e5\u8be2\uff0c\u53ef\u4ee5\u5339\u914d\u5230\u5e26\u6709 “\u4e1c\u9547” \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 \u6548\u679c\uff1a id town 1 \u4e1c\u9547 \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662fMySQL \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\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7414","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7414"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7414\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}