{"id":1581,"date":"2022-02-14T09:46:17","date_gmt":"2022-02-14T09:46:17","guid":{"rendered":"https:\/\/hsin-life.com\/?p=1581"},"modified":"2022-02-14T09:46:18","modified_gmt":"2022-02-14T09:46:18","slug":"%e8%b3%87%e6%96%99%e5%ba%ab-sql%e6%95%88%e8%83%bd%e5%84%aa%e5%8c%96like%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2","status":"publish","type":"post","link":"https:\/\/hsin-life.com\/archives\/1581","title":{"rendered":"\u8cc7\u6599\u5eab – SQL\u6548\u80fd\u512a\u5316LIKE\u6a21\u7cca\u67e5\u8a62"},"content":{"rendered":"\n

\u6211\u5011\u5728\u5bebsql\u7684\u6642\u5019\u61c9\u8a72\u5118\u91cf\u907f\u514d\u5728\u4e00\u500b\u8907\u96dc\u67e5\u8a62\u88e1\u9762\u4f7f\u7528 LIKE ‘%XXX%’<\/p>\n\n\n\n

\u7531\u65bcXXX\u524d\u9762\u7528\u5230\u4e86\u201c%\u201d,\u56e0\u6b64\u8a72\u67e5\u8a62\u5fc5\u7136\u8d70\u5168\u8868\u6383\u63cf,\u5c0e\u81f4\u76f8\u95dc\u5217\u7684\u7d22\u5f15\u7121\u6cd5\u4f7f\u7528\uff0c\u9664\u975e\u5fc5\u8981,\u5426\u5247\u4e0d\u8981\u5728\u95dc\u9375\u8a5e\u524d\u52a0%<\/p>\n\n\n\n

\u5982\u679c\u5f8c\u81fa\u908f\u8f2f\u5fc5\u9808\u4f7f\u7528\u2019%XXX%\u2019\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u89e3\u6c7a\u8fa6\u6cd5<\/p>\n\n\n\n

\u4fee\u6539\u524d\u81fa\u7a0b\u5f0f<\/h2>\n\n\n\n

\u628a\u67e5\u8a62\u689d\u4ef6\u7684\u540d\u7a31\u6b04\u7531\u539f\u4f86\u7684\u6587\u5b57\u8f38\u5165\u6539\u70ba\u4e0b\u62c9\u5217\u8868\uff0c\u4f7f\u7528\u8005\u6a21\u7cca\u8f38\u5165\u540d\u7a31\u6642\uff0c\u76f4\u63a5\u5728\u524d\u81fa\u5c31\u5e6b\u5fd9\u5b9a\u4f4d\u5230\u5177\u9ad4\u7684\u540d\u7a31\uff0c<\/p>\n\n\n\n

\u9019\u6a23\u5728\u547c\u53eb\u5f8c\u81fa\u7a0b\u5f0f\u6642\uff0c\u9019\u5217\u5c31\u53ef\u4ee5\u76f4\u63a5\u7528\u7b49\u65bc\u4f86\u95dc\u806f\u4e86<\/p>\n\n\n\n

\u76f4\u63a5\u4fee\u6539\u5f8c\u81fa<\/h2>\n\n\n\n

\u6839\u64da\u8f38\u5165\u689d\u4ef6\uff0c\u5148\u67e5\u51fa\u7b26\u5408\u689d\u4ef6\u7684\u540d\u7a31\uff0c\u4e26\u628a\u76f8\u95dc\u8a18\u9304\u5132\u5b58\u5728\u4e00\u500b\u81e8\u6642\u8868\u88e1\u982d\uff0c\u7136\u5f8c\u518d\u7528\u81e8\u6642\u8868\u53bb\u505a\u8907\u96dc\u95dc\u806f<\/p>\n\n\n\n

select * from \u5546\u54c1\u8868 where name like 'Java%'<\/code>\u3000\u9019\u662f\u500b\u6a21\u7cca\u67e5\u8a62,\u6703\u7528\u5230\u7d22\u5f15\uff0c\u8acb\u5927\u5bb6\u8a18\u4f4f\uff0c\u7528like\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u6642\uff0c\u5982\u679c\u7b2c\u4e00\u500b\u5c31\u662f\u6a21\u7cca\u7684\u5339\u914d\u7b26<\/p>\n\n\n\n

\u6bd4\u5982 where name like ‘%java’\uff0c\u90a3\u9ebc\u5728\u67e5\u8a62\u6642\u4e0d\u6703\u8d70\u7d22\u5f15<\/p>\n\n\n\n

\u5728\u5176\u4ed6\u60c5\u6cc1\uff0c\u4e0d\u8ad6\u7528\u4e86\u591a\u5c11\u500b%\uff0c\u4e5f\u4e0d\u8ad6%\u7684\u4f4d\u7f6e\uff0c\u53ea\u8981\u4e0d\u51fa\u73fe\u5728\u7b2c\u4e00\u500b\u4f4d\u7f6e\uff0c\u90a3\u9ebc\u90fd\u80fd\u7528\u5230\u7d22\u5f15<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6211\u5011\u5728\u5bebsql\u7684\u6642\u5019\u61c9\u8a72\u5118\u91cf\u907f\u514d\u5728\u4e00\u500b\u8907\u96dc\u67e5\u8a62\u88e1\u9762\u4f7f\u7528 LIKE \u2018%XXX%\u2019<\/p>\n

\u7531\u65bcXXX\u524d\u9762\u7528\u5230\u4e86\u201c%\u201d,\u56e0\u6b64\u8a72\u67e5\u8a62\u5fc5\u7136\u8d70\u5168\u8868\u6383\u63cf,\u5c0e\u81f4\u76f8\u95dc\u5217\u7684\u7d22\u5f15\u7121\u6cd5\u4f7f\u7528\uff0c\u9664\u975e\u5fc5\u8981,\u5426\u5247\u4e0d\u8981\u5728\u95dc\u9375\u8a5e\u524d\u52a0%<\/p>\n

\u5982\u679c\u5f8c\u81fa\u908f\u8f2f\u5fc5\u9808\u4f7f\u7528\u2019%XXX%\u2019\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u89e3\u6c7a\u8fa6\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[145,150],"tags":[87,97,166,96],"aioseo_notices":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/hsin-life.com\/wp-content\/uploads\/2021\/07\/da18cf6e-a674-4d0c-9357-c02f3a814d02.png?fit=1280%2C675&ssl=1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/1581"}],"collection":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/comments?post=1581"}],"version-history":[{"count":0,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/1581\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media\/743"}],"wp:attachment":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media?parent=1581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/categories?post=1581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/tags?post=1581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}