{"id":80964,"date":"2024-10-16T14:54:18","date_gmt":"2024-10-16T06:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/80964\/"},"modified":"2024-10-16T14:54:19","modified_gmt":"2024-10-16T06:54:19","slug":"mysql%e5%ad%97%e7%ac%a6%e9%9b%86%e8%a8%ad%e5%ae%9a%e5%85%a8%e9%83%a8%e5%8f%83%e6%95%b8%e7%82%bautf8%e7%9a%84%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/80964\/","title":{"rendered":"MySQL\u5b57\u7b26\u96c6\u8a2d\u5b9a\u5168\u90e8\u53c3\u6578\u70baUTF8\u7684\u4ee3\u78bc\u793a\u4f8b"},"content":{"rendered":"<h1 id=\"mysql%e5%ad%97%e7%ac%a6%e9%9b%86%e8%a8%ad%e5%ae%9a%e5%85%a8%e9%83%a8%e5%8f%83%e6%95%b8%e7%82%bautf8%e7%9a%84%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-MRvbyjnjgf\">MySQL\u5b57\u7b26\u96c6\u8a2d\u5b9a\u5168\u90e8\u53c3\u6578\u70baUTF8\u7684\u4ee3\u78bc\u793a\u4f8b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b57\u7b26\u96c6\u9078\u64c7\uff0c\u5176\u4e2dUTF8\u5b57\u7b26\u96c6\u56e0\u5176\u5c0d\u591a\u8a9e\u8a00\u652f\u6301\u7684\u512a\u8d8a\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728MySQL\u4e2d\u5c07\u5b57\u7b26\u96c6\u8a2d\u5b9a\u70baUTF8\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afutf8%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%9f-MRvbyjnjgf\">\u4ec0\u9ebc\u662fUTF8\u5b57\u7b26\u96c6\uff1f<\/h2>\n<p>UTF8\u662f\u4e00\u7a2e\u53ef\u8b8a\u9577\u5ea6\u7684\u5b57\u7b26\u7de8\u78bc\uff0c\u80fd\u5920\u8868\u793aUnicode\u5b57\u7b26\u96c6\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u3002\u9019\u610f\u5473\u8457\u7121\u8ad6\u662f\u4e2d\u6587\u3001\u82f1\u6587\u9084\u662f\u5176\u4ed6\u8a9e\u8a00\u7684\u5b57\u7b26\uff0cUTF8\u90fd\u80fd\u5920\u6b63\u78ba\u5730\u5b58\u5132\u548c\u986f\u793a\u3002\u4f7f\u7528UTF8\u5b57\u7b26\u96c6\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u652f\u6301\u591a\u8a9e\u8a00\u7684\u6578\u64da\u5b58\u5132\uff0c\u9019\u5c0d\u65bc\u5168\u7403\u5316\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e8%a8%ad%e5%ae%9a%e5%ad%97%e7%ac%a6%e9%9b%86%e7%82%bautf8-MRvbyjnjgf\">MySQL\u4e2d\u8a2d\u5b9a\u5b57\u7b26\u96c6\u70baUTF8<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u8a2d\u5b9a\u53ef\u4ee5\u5728\u591a\u500b\u5c64\u9762\u9032\u884c\uff0c\u5305\u62ec\u6578\u64da\u5eab\u3001\u8868\u548c\u5217\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u9019\u4e9b\u5c64\u9762\u4e0a\u8a2d\u5b9a\u5b57\u7b26\u96c6\u70baUTF8\u7684\u6b65\u9a5f\u548c\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">1. \u8a2d\u5b9a\u6578\u64da\u5eab\u5b57\u7b26\u96c6<\/h3>\n<pre><code>CREATE DATABASE my_database CHARACTER SET utf8 COLLATE utf8_general_ci;<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70bamy_database\u7684\u6578\u64da\u5eab\uff0c\u4e26\u5c07\u5176\u5b57\u7b26\u96c6\u8a2d\u5b9a\u70baUTF8\uff0c\u6392\u5e8f\u898f\u5247\u70bautf8_general_ci\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e5%ae%9a%e8%a1%a8%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">2. \u8a2d\u5b9a\u8868\u5b57\u7b26\u96c6<\/h3>\n<pre><code>CREATE TABLE my_table (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) CHARACTER SET utf8 COLLATE utf8_general_ci\n) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70bamy_table\u7684\u8868\uff0c\u4e26\u5c07\u8868\u7684\u9ed8\u8a8d\u5b57\u7b26\u96c6\u548cname\u5217\u7684\u5b57\u7b26\u96c6\u90fd\u8a2d\u5b9a\u70baUTF8\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e5%ae%9a%e5%88%97%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">3. \u8a2d\u5b9a\u5217\u5b57\u7b26\u96c6<\/h3>\n<pre><code>ALTER TABLE my_table MODIFY name VARCHAR(100) CHARACTER SET utf8 COLLATE utf8_general_ci;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u66f4\u6539\u5df2\u5b58\u5728\u8868\u4e2d\u67d0\u4e00\u5217\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u3002\u4e0a\u8ff0\u4ee3\u78bc\u5c07my_table\u8868\u4e2d\u7684name\u5217\u7684\u5b57\u7b26\u96c6\u66f4\u6539\u70baUTF8\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e5%ad%97%e7%ac%a6%e9%9b%86%e8%a8%ad%e5%ae%9a-MRvbyjnjgf\">\u6aa2\u67e5\u7576\u524d\u5b57\u7b26\u96c6\u8a2d\u5b9a<\/h2>\n<p>\u8981\u6aa2\u67e5\u7576\u524d\u6578\u64da\u5eab\u3001\u8868\u6216\u5217\u7684\u5b57\u7b26\u96c6\u8a2d\u5b9a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">\u6aa2\u67e5\u6578\u64da\u5eab\u5b57\u7b26\u96c6<\/h3>\n<pre><code>SELECT DEFAULT_CHARACTER_SET_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = 'my_database';<\/code><\/pre>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e8%a1%a8%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">\u6aa2\u67e5\u8868\u5b57\u7b26\u96c6<\/h3>\n<pre><code>SHOW TABLE STATUS LIKE 'my_table';<\/code><\/pre>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e5%88%97%e5%ad%97%e7%ac%a6%e9%9b%86-MRvbyjnjgf\">\u6aa2\u67e5\u5217\u5b57\u7b26\u96c6<\/h3>\n<pre><code>SHOW FULL COLUMNS FROM my_table;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MRvbyjnjgf\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u4e2d\u8a2d\u5b9a\u5b57\u7b26\u96c6\u70baUTF8\u662f\u4e00\u500b\u7c21\u55ae\u800c\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u9700\u8981\u652f\u6301\u591a\u8a9e\u8a00\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u901a\u904e\u4e0a\u8ff0\u4ee3\u78bc\u793a\u4f8b\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u6578\u64da\u5eab\u3001\u8868\u548c\u5217\u5c64\u9762\u4e0a\u9032\u884c\u5b57\u7b26\u96c6\u7684\u8a2d\u5b9a\u3002\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u8a2d\u5b9a\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u517c\u5bb9\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u793a\u7bc4\u5982\u4f55\u5728MySQL\u4e2d\u5c07\u5b57\u7b26\u96c6\u8a2d\u5b9a\u70baUTF8\uff0c\u5305\u62ec\u6240\u6709\u76f8\u95dc\u53c3\u6578\u7684\u4ee3\u78bc\u793a\u4f8b\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u5b58\u5132\u8207\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-80964","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80964","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=80964"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80964\/revisions"}],"predecessor-version":[{"id":80965,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80964\/revisions\/80965"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=80964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=80964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=80964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}