{"id":75898,"date":"2024-10-16T02:09:15","date_gmt":"2024-10-15T18:09:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75898\/"},"modified":"2024-10-16T02:09:15","modified_gmt":"2024-10-15T18:09:15","slug":"mysql-%e5%96%ae%e8%a1%a8%e5%a4%9a%e9%97%9c%e9%8d%b5%e5%ad%97%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75898\/","title":{"rendered":"MySQL \u55ae\u8868\u591a\u95dc\u9375\u5b57\u6a21\u7cca\u67e5\u8a62\u7684\u5be6\u73fe"},"content":{"rendered":"<h1 id=\"mysql-%e5%96%ae%e8%a1%a8%e5%a4%9a%e9%97%9c%e9%8d%b5%e5%ad%97%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e7%8f%be-zMDuIDqphx\">MySQL \u55ae\u8868\u591a\u95dc\u9375\u5b57\u6a21\u7cca\u67e5\u8a62\u7684\u5be6\u73fe<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u67e5\u8a62\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\uff0c\u55ae\u8868\u591a\u95dc\u9375\u5b57\u7684\u67e5\u8a62\u9700\u6c42\u65e5\u76ca\u589e\u9577\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 MySQL \u4e2d\u5be6\u73fe\u55ae\u8868\u591a\u95dc\u9375\u5b57\u7684\u6a21\u7cca\u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zMDuIDqphx\">\u6a21\u7cca\u67e5\u8a62\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6a21\u7cca\u67e5\u8a62\u662f\u6307\u5728\u67e5\u8a62\u6642\u4e0d\u9700\u8981\u5b8c\u5168\u5339\u914d\u95dc\u9375\u5b57\uff0c\u800c\u662f\u5141\u8a31\u90e8\u5206\u5339\u914d\u3002\u9019\u5728\u7528\u6236\u8f38\u5165\u4e0d\u5b8c\u6574\u6216\u4e0d\u78ba\u5b9a\u7684\u60c5\u6cc1\u4e0b\u7279\u5225\u6709\u7528\u3002MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u5be6\u73fe\u6a21\u7cca\u67e5\u8a62\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528 LIKE \u95dc\u9375\u5b57\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-like-%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-zMDuIDqphx\">\u4f7f\u7528 LIKE \u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0cLIKE \u95dc\u9375\u5b57\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u3002\u5b83\u652f\u6301\u5169\u500b\u901a\u914d\u7b26\uff1a<\/p>\n<ul>\n<li><code>%<\/code>\uff1a\u4ee3\u8868\u96f6\u500b\u6216\u591a\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>_<\/code>\uff1a\u4ee3\u8868\u55ae\u500b\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>products<\/code> \u7684\u8868\uff0c\u5305\u542b <code>id<\/code> \u548c <code>name<\/code> \u5169\u500b\u5b57\u6bb5\u3002\u5982\u679c\u6211\u5011\u60f3\u67e5\u8a62\u6240\u6709\u540d\u7a31\u4e2d\u5305\u542b\u300c\u624b\u6a5f\u300d\u7684\u7522\u54c1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM products WHERE name LIKE '%\u624b\u6a5f%';<\/code><\/pre>\n<h2 id=\"%e5%96%ae%e8%a1%a8%e5%a4%9a%e9%97%9c%e9%8d%b5%e5%ad%97%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e7%8f%be-zMDuIDqphx\">\u55ae\u8868\u591a\u95dc\u9375\u5b57\u6a21\u7cca\u67e5\u8a62\u7684\u5be6\u73fe<\/h2>\n<p>\u7576\u9700\u8981\u67e5\u8a62\u591a\u500b\u95dc\u9375\u5b57\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 AND \u6216 OR \u4f86\u7d44\u5408\u591a\u500b LIKE \u689d\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\uff1a<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-or-%e7%b5%84%e5%90%88%e5%a4%9a%e5%80%8b%e9%97%9c%e9%8d%b5%e5%ad%97-zMDuIDqphx\">\u4f7f\u7528 OR \u7d44\u5408\u591a\u500b\u95dc\u9375\u5b57<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u67e5\u8a62\u540d\u7a31\u4e2d\u540c\u6642\u5305\u542b\u300c\u624b\u6a5f\u300d\u548c\u300c\u5e73\u677f\u300d\u7684\u7522\u54c1\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM products WHERE name LIKE '%\u624b\u6a5f%' OR name LIKE '%\u5e73\u677f%';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u6703\u8fd4\u56de\u6240\u6709\u540d\u7a31\u4e2d\u5305\u542b\u300c\u624b\u6a5f\u300d\u6216\u300c\u5e73\u677f\u300d\u7684\u7522\u54c1\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-and-%e7%b5%84%e5%90%88%e5%a4%9a%e5%80%8b%e9%97%9c%e9%8d%b5%e5%ad%97-zMDuIDqphx\">\u4f7f\u7528 AND \u7d44\u5408\u591a\u500b\u95dc\u9375\u5b57<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u67e5\u8a62\u540d\u7a31\u4e2d\u540c\u6642\u5305\u542b\u300c\u624b\u6a5f\u300d\u548c\u300c\u5b89\u5353\u300d\u7684\u7522\u54c1\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM products WHERE name LIKE '%\u624b\u6a5f%' AND name LIKE '%\u5b89\u5353%';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u6703\u8fd4\u56de\u6240\u6709\u540d\u7a31\u4e2d\u540c\u6642\u5305\u542b\u300c\u624b\u6a5f\u300d\u548c\u300c\u5b89\u5353\u300d\u7684\u7522\u54c1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-zMDuIDqphx\">\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 LIKE\uff0cMySQL \u9084\u652f\u6301\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u66f4\u9748\u6d3b\u7684\u67e5\u8a62\u3002\u4f7f\u7528 <code>REGEXP<\/code> \u53ef\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u5339\u914d\u689d\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM products WHERE name REGEXP '\u624b\u6a5f|\u5e73\u677f';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u6703\u8fd4\u56de\u6240\u6709\u540d\u7a31\u4e2d\u5305\u542b\u300c\u624b\u6a5f\u300d\u6216\u300c\u5e73\u677f\u300d\u7684\u7522\u54c1\uff0c\u8207\u4f7f\u7528 OR \u7684\u6548\u679c\u76f8\u540c\uff0c\u4f46\u6b63\u5247\u8868\u9054\u5f0f\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-zMDuIDqphx\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u7576\u6578\u64da\u91cf\u8f03\u5927\u6642\uff0c\u6027\u80fd\u53ef\u80fd\u6703\u6210\u70ba\u4e00\u500b\u554f\u984c\u3002\u4f7f\u7528 LIKE \u9032\u884c\u67e5\u8a62\u6642\uff0c\u5982\u679c\u901a\u914d\u7b26\u4f4d\u65bc\u958b\u982d\uff08\u4f8b\u5982 <code>%\u624b\u6a5f<\/code>\uff09\uff0c\u5247\u7121\u6cd5\u4f7f\u7528\u7d22\u5f15\uff0c\u9019\u6703\u5c0e\u81f4\u5168\u8868\u6383\u63cf\uff0c\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u5118\u91cf\u907f\u514d\u5728\u95dc\u9375\u5b57\u958b\u982d\u4f7f\u7528\u901a\u914d\u7b26\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zMDuIDqphx\">\u7e3d\u7d50<\/h2>\n<p>\u5728 MySQL \u4e2d\u5be6\u73fe\u55ae\u8868\u591a\u95dc\u9375\u5b57\u7684\u6a21\u7cca\u67e5\u8a62\u53ef\u4ee5\u901a\u904e\u4f7f\u7528 LIKE \u548c\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u9054\u6210\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u67e5\u8a62\u65b9\u5f0f\uff0c\u4e26\u6ce8\u610f\u6027\u80fd\u512a\u5316\uff0c\u80fd\u5920\u6709\u6548\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728 MySQL \u4e2d\u5be6\u73fe\u55ae\u8868\u591a\u95dc\u9375\u5b57\u7684\u6a21\u7cca\u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\u8207\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75898","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75898","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75898"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75898\/revisions"}],"predecessor-version":[{"id":75899,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75898\/revisions\/75899"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}