{"id":199742,"date":"2025-05-06T10:36:05","date_gmt":"2025-05-06T02:36:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199742\/"},"modified":"2025-05-06T10:36:05","modified_gmt":"2025-05-06T02:36:05","slug":"mysql%e6%9f%a5%e8%af%a2%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8%e6%9d%a1%e4%bb%b6%e7%ad%9b%e9%80%89%e4%b8%ad%e4%bd%bf%e7%94%a8like%e6%93%8d%e4%bd%9c%e7%ac%a6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199742\/","title":{"rendered":"MySQL\u67e5\u8be2\uff1a\u5982\u4f55\u5728\u6761\u4ef6\u7b5b\u9009\u4e2d\u4f7f\u7528\u201cLIKE\u201d\u64cd\u4f5c\u7b26\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

MySQL\u67e5\u8be2\uff1a\u5982\u4f55\u5728\u6761\u4ef6\u7b5b\u9009\u4e2d\u4f7f\u7528\u201cLIKE\u201d\u64cd\u4f5c\u7b26\uff1f<\/h1>\n

\u6570\u636e\u5e93\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aMySQL\u67e5\u8be2\uff1a\u5982\u4f55\u5728\u6761\u4ef6\u7b5b\u9009\u4e2d\u4f7f\u7528\u201cLIKE\u201d\u64cd\u4f5c\u7b26\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

MySQL\u67e5\u8be2\uff1a\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u7b5b\u9009\u6570\u636e\uff1f<\/p>\n

\u5728\u8fdb\u884cMySQL\u67e5\u8be2\u65f6\uff0c\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u6309\u7167\u67d0\u4e2a\u5b57\u6bb5\u7684\u5f00\u5934\u5b57\u7b26\u7b5b\u9009\u6570\u636e\uff0c\u5176\u4e2d\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\u5c31\u662f\u6309\u7167\u67d0\u4e2a\u5b57\u6bb5\u7684\u5f00\u5934\u5b57\u7b26\u4e3a\u7279\u5b9a\u503c\u8fdb\u884c\u7b5b\u9009\u3002\u5728MySQL\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u201c%\u201d\u6765\u8868\u793a\u5339\u914d\u4efb\u610f\u5b57\u7b26\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u6765\u7b5b\u9009\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u4f7f\u7528”\u4ee5”\u5f00\u5934\u6761\u4ef6\u7b5b\u9009\u6570\u636e<\/h3>\n

\u5728MySQL\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u201c%\u201d\u6765\u8868\u793a\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\uff0c\u901a\u8fc7\u5c06\u201c%\u201d\u653e\u5728\u5f00\u5934\u4f4d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u7b5b\u9009\u51fa\u4ee5\u7279\u5b9a\u5b57\u7b26\u5f00\u5934\u7684\u6570\u636e\u3002\u8fd9\u5728\u9700\u8981\u6309\u7167\u5b57\u6bb5\u7684\u5f00\u5934\u5b57\u7b26\u8fdb\u884c\u7b5b\u9009\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

2. \u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/h3>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3ausers<\/code>\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2ausername<\/code>\u5b57\u6bb5\uff0c\u6211\u4eec\u5e0c\u671b\u7b5b\u9009\u51fa\u7528\u6237\u540d\u4ee5\u201cjohn\u201d\u5f00\u5934\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n

SELECT * FROM users WHERE username LIKE 'john%';<\/pre>\n
\u4e0a\u8ff0\u67e5\u8be2\u8bed\u53e5\u4e2d\uff0cLIKE<\/code>\u7528\u4e8e\u6a21\u7cca\u5339\u914d\uff0c'john%'<\/code>\u8868\u793a\u5339\u914d\u4ee5\u201cjohn\u201d\u5f00\u5934\u7684\u7528\u6237\u540d\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7b5b\u9009\u51fa\u6240\u6709\u4ee5\u201cjohn\u201d\u5f00\u5934\u7684\u7528\u6237\u540d\u6570\u636e\u3002<\/p>\n
3. \u66f4\u591a\u793a\u4f8b<\/h3>\n
\u9664\u4e86\u4e0a\u8ff0\u793a\u4f8b\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\uff0c\u6bd4\u5982\u7ed3\u5408AND<\/code>\u8fdb\u884c\u591a\u6761\u4ef6\u7b5b\u9009\uff0c\u4f8b\u5982\u7b5b\u9009\u51fa\u7528\u6237\u540d\u4ee5\u201cjohn\u201d\u5f00\u5934\u5e76\u4e14\u5e74\u9f84\u5927\u4e8e25\u7684\u6570\u636e\uff1a<\/p>\n
SELECT * FROM users WHERE username LIKE 'john%' AND age > 25;<\/pre>\n
\u540c\u6837\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528OR<\/code>\u7ed3\u5408\u5176\u4ed6\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\uff0c\u6ee1\u8db3\u5176\u4e2d\u4e00\u4e2a\u6761\u4ef6\u5373\u53ef\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7ed3\u5408\u901a\u914d\u7b26\u201c_\u201d\u6765\u5339\u914d\u5355\u4e2a\u5b57\u7b26\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u51c6\u7684\u7b5b\u9009\u3002<\/p>\n
4. \u603b\u7ed3<\/h3>\n
\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u6765\u7b5b\u9009\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u9700\u6c42\u5408\u7406\u8fd0\u7528\u901a\u914d\u7b26\u548c\u591a\u6761\u4ef6\u7b5b\u9009\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u548c\u5206\u6790\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u5927\u5bb6\u66f4\u597d\u5730\u638c\u63e1MySQL\u67e5\u8be2\u4e2d\u201c\u4ee5\u201d\u5f00\u5934\u6761\u4ef6\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300aMySQL\u67e5\u8be2\uff1a\u5982\u4f55\u5728\u6761\u4ef6\u7b5b\u9009\u4e2d\u4f7f\u7528\u201cLIKE\u201d\u64cd\u4f5c\u7b26\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8emysql,\u7b5b\u9009,\u67e5\u8be2\u6761\u4ef6\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL\u67e5\u8be2\uff1a\u5982\u4f55\u5728\u6761\u4ef6\u7b5b\u9009\u4e2d...<\/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-199742","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199742","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=199742"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199742\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}