{"id":173837,"date":"2024-11-07T20:21:08","date_gmt":"2024-11-07T12:21:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173837\/"},"modified":"2024-11-07T20:21:08","modified_gmt":"2024-11-07T12:21:08","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%bamysql%e7%ac%ac%e4%b8%89%e6%96%b9%e5%ae%a2%e6%88%b6%e7%ab%af%e5%b7%a5%e5%85%b7%e9%a1%af%e7%a4%ba%e4%b8%ad%e6%96%87%e4%ba%82%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173837\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7aMySQL\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\u986f\u793a\u4e2d\u6587\u4e82\u78bc"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%bamysql%e7%ac%ac%e4%b8%89%e6%96%b9%e5%ae%a2%e6%88%b6%e7%ab%af%e5%b7%a5%e5%85%b7%e9%a1%af%e7%a4%ba%e4%b8%ad%e6%96%87%e4%ba%82%e7%a2%bc-nBJeBzlqcV\">\u5982\u4f55\u89e3\u6c7aMySQL\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\u986f\u793a\u4e2d\u6587\u4e82\u78bc<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u4e2d\u6587\u4e82\u78bc\u554f\u984c\u662f\u4e00\u500b\u5e38\u898b\u7684\u6311\u6230\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u6216\u8005\u5728\u5ba2\u6236\u7aef\u5de5\u5177\u4e2d\u672a\u6b63\u78ba\u914d\u7f6e\u5b57\u7b26\u96c6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u89e3\u6c7aMySQL\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\u986f\u793a\u4e2d\u6587\u4e82\u78bc\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%ba%86%e8%a7%a3%e5%ad%97%e7%ac%a6%e9%9b%86%e5%92%8c%e6%8e%92%e5%ba%8f%e8%a6%8f%e5%89%87-nBJeBzlqcV\">\u4e86\u89e3\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247<\/h2>\n<p>\u5728\u89e3\u6c7a\u4e82\u78bc\u554f\u984c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3MySQL\u4e2d\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\u3002MySQL\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5982utf8\u3001utf8mb4\u3001latin1\u7b49\u3002utf8mb4\u662f\u76ee\u524d\u63a8\u85a6\u7684\u5b57\u7b26\u96c6\uff0c\u56e0\u70ba\u5b83\u652f\u6301\u6240\u6709Unicode\u5b57\u7b26\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u865f\u3002<\/p>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e8%a1%a8%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-nBJeBzlqcV\">\u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u8981\u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set%';\nSHOW CREATE DATABASE your_database_name;\nSHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u548c\u8868\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u70bautf8mb4\u3002\u5982\u679c\u4e0d\u662f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u4fee\u6539\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;\nALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e5%ae%a2%e6%88%b6%e7%ab%af%e5%b7%a5%e5%85%b7%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86%e8%a8%ad%e7%bd%ae-nBJeBzlqcV\">\u6aa2\u67e5\u5ba2\u6236\u7aef\u5de5\u5177\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e<\/h3>\n<p>\u8a31\u591a\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\uff08\u5982Navicat\u3001DBeaver\u7b49\uff09\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u5b57\u7b26\u96c6\u3002\u5728\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u6642\uff0c\u78ba\u4fdd\u9078\u64c7\u4e86\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u5ba2\u6236\u7aef\u5de5\u5177\u7684\u8a2d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>Navicat\uff1a<\/strong>\u5728\u9023\u63a5\u8a2d\u7f6e\u4e2d\uff0c\u9078\u64c7\u201c\u5b57\u7b26\u96c6\u201d\u9078\u9805\uff0c\u4e26\u8a2d\u7f6e\u70bautf8mb4\u3002<\/li>\n<li><strong>DBeaver\uff1a<\/strong>\u5728\u9023\u63a5\u5c6c\u6027\u4e2d\uff0c\u627e\u5230\u201c\u5b57\u7b26\u96c6\u201d\u9078\u9805\uff0c\u4e26\u9078\u64c7utf8mb4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-nBJeBzlqcV\">\u4f7f\u7528\u6b63\u78ba\u7684\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n<p>\u5728\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\uff08\u5982PHP\u3001Python\u7b49\uff09\u9023\u63a5MySQL\u6578\u64da\u5eab\u6642\uff0c\u78ba\u4fdd\u5728\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u6307\u5b9a\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff0c\u5728PHP\u4e2d\uff0c\u53ef\u4ee5\u9019\u6a23\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>$mysqli = new mysqli(\"localhost\", \"user\", \"password\", \"database\");\n$mysqli-&gt;set_charset(\"utf8mb4\");<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u6642\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%99%82%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-nBJeBzlqcV\">\u6aa2\u67e5\u6578\u64da\u63d2\u5165\u6642\u7684\u5b57\u7b26\u96c6<\/h2>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u3002\u5982\u679c\u6578\u64da\u5728\u63d2\u5165\u6642\u5df2\u7d93\u662f\u4e82\u78bc\uff0c\u5247\u7121\u6cd5\u901a\u904e\u5f8c\u7e8c\u7684\u8a2d\u7f6e\u4f86\u4fee\u5fa9\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u6aa2\u67e5\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM your_table_name WHERE your_column_name LIKE '%\u4e82\u78bc%';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6578\u64da\u5df2\u7d93\u662f\u4e82\u78bc\uff0c\u5247\u9700\u8981\u91cd\u65b0\u63d2\u5165\u6b63\u78ba\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nBJeBzlqcV\">\u7e3d\u7d50<\/h2>\n<p>\u89e3\u6c7aMySQL\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\u986f\u793a\u4e2d\u6587\u4e82\u78bc\u7684\u554f\u984c\uff0c\u4e3b\u8981\u6d89\u53ca\u5b57\u7b26\u96c6\u7684\u6b63\u78ba\u8a2d\u7f6e\u3002\u78ba\u4fdd\u6578\u64da\u5eab\u3001\u8868\u548c\u5ba2\u6236\u7aef\u5de5\u5177\u7684\u5b57\u7b26\u96c6\u5747\u8a2d\u7f6e\u70bautf8mb4\uff0c\u4e26\u5728\u7de8\u7a0b\u8a9e\u8a00\u4e2d\u6b63\u78ba\u6307\u5b9a\u5b57\u7b26\u96c6\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u4e82\u78bc\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u986f\u793a\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aMySQL\u7b2c\u4e09\u65b9\u5ba2\u6236\u7aef\u5de5\u5177\u986f\u793a\u4e2d\u6587\u4e82\u78bc\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u8a2d\u5b9a\u5b57\u7b26\u96c6\u548c\u7de8\u78bc\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u986f\u793a\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-173837","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173837","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=173837"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173837\/revisions"}],"predecessor-version":[{"id":173838,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173837\/revisions\/173838"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}