{"id":77910,"date":"2024-10-16T11:15:18","date_gmt":"2024-10-16T03:15:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77910\/"},"modified":"2024-10-16T11:15:18","modified_gmt":"2024-10-16T03:15:18","slug":"mysql%e6%8c%87%e4%bb%a4-character-set%ef%bc%88%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77910\/","title":{"rendered":"MySQL\u6307\u4ee4: CHARACTER SET\uff08\u5b57\u7b26\u96c6\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-character-set%ef%bc%88%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%89-umArYgreXy\">MySQL\u6307\u4ee4: CHARACTER SET\uff08\u5b57\u7b26\u96c6\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u96c6\uff08Character Set\uff09\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u500b\u6982\u5ff5\u3002\u5b83\u6c7a\u5b9a\u4e86\u6578\u64da\u5eab\u4e2d\u53ef\u4ee5\u5b58\u5132\u7684\u5b57\u7b26\u7bc4\u570d\uff0c\u4e26\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b58\u53d6\u548c\u986f\u793a\u3002\u5728MySQL\u4e2d\uff0cCHARACTER SET\u6307\u4ee4\u7528\u65bc\u5b9a\u7fa9\u6578\u64da\u5eab\u3001\u8868\u683c\u6216\u6b04\u4f4d\u6240\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684CHARACTER SET\u6307\u4ee4\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%9f-umArYgreXy\">\u4ec0\u9ebc\u662f\u5b57\u7b26\u96c6\uff1f<\/h2>\n<p>\u5b57\u7b26\u96c6\u662f\u6307\u4e00\u7d44\u5b57\u7b26\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u5b57\u7b26\u53ef\u4ee5\u662f\u5b57\u6bcd\u3001\u6578\u5b57\u3001\u7b26\u865f\u7b49\u3002\u6bcf\u500b\u5b57\u7b26\u96c6\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u7de8\u78bc\u65b9\u5f0f\uff0c\u9019\u4f7f\u5f97\u8a08\u7b97\u6a5f\u80fd\u5920\u7406\u89e3\u548c\u8655\u7406\u9019\u4e9b\u5b57\u7b26\u3002\u5728MySQL\u4e2d\uff0c\u5e38\u898b\u7684\u5b57\u7b26\u96c6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>utf8\uff1a\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u7684\u5b57\u7b26\u96c6\uff0c\u80fd\u5920\u5b58\u5132Unicode\u5b57\u7b26\u3002<\/li>\n<li>latin1\uff1a\u4e3b\u8981\u7528\u65bc\u897f\u6b50\u8a9e\u8a00\u7684\u5b57\u7b26\u96c6\u3002<\/li>\n<li>utf8mb4\uff1a\u64f4\u5c55\u7684UTF-8\u5b57\u7b26\u96c6\uff0c\u652f\u6301\u66f4\u591aUnicode\u5b57\u7b26\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u865f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8character-set%e6%8c%87%e4%bb%a4-umArYgreXy\">\u5982\u4f55\u4f7f\u7528CHARACTER SET\u6307\u4ee4<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u5728\u5275\u5efa\u6578\u64da\u5eab\u3001\u8868\u683c\u6216\u6b04\u4f4d\u6642\u6307\u5b9a\u5b57\u7b26\u96c6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7528\u6cd5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e6%8c%87%e5%ae%9a%e5%ad%97%e7%ac%a6%e9%9b%86-umArYgreXy\">1. \u5275\u5efa\u6578\u64da\u5eab\u6642\u6307\u5b9a\u5b57\u7b26\u96c6<\/h3>\n<pre><code>CREATE DATABASE my_database CHARACTER SET utf8mb4;<\/code><\/pre>\n<p>\u4e0a\u8ff0\u6307\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70bamy_database\u7684\u6578\u64da\u5eab\uff0c\u4e26\u6307\u5b9a\u5176\u5b57\u7b26\u96c6\u70bautf8mb4\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc%e6%99%82%e6%8c%87%e5%ae%9a%e5%ad%97%e7%ac%a6%e9%9b%86-umArYgreXy\">2. \u5275\u5efa\u8868\u683c\u6642\u6307\u5b9a\u5b57\u7b26\u96c6<\/h3>\n<pre><code>CREATE TABLE my_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(100) CHARACTER SET utf8\n) ENGINE=InnoDB;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70bamy_table\u7684\u8868\u683c\uff0c\u4e26\u70baname\u6b04\u4f4d\u6307\u5b9a\u4e86utf8\u5b57\u7b26\u96c6\u3002<\/p>\n<h3 id=\"3-%e4%bf%ae%e6%94%b9%e7%8f%be%e6%9c%89%e8%a1%a8%e6%a0%bc%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-umArYgreXy\">3. \u4fee\u6539\u73fe\u6709\u8868\u683c\u7684\u5b57\u7b26\u96c6<\/h3>\n<pre><code>ALTER TABLE my_table CONVERT TO CHARACTER SET utf8mb4;<\/code><\/pre>\n<p>\u9019\u689d\u6307\u4ee4\u5c07my_table\u8868\u683c\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u70bautf8mb4\uff0c\u9019\u6a23\u53ef\u4ee5\u652f\u6301\u66f4\u591a\u7684Unicode\u5b57\u7b26\u3002<\/p>\n<h2 id=\"%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e9%81%b8%e6%93%87-umArYgreXy\">\u5b57\u7b26\u96c6\u7684\u9078\u64c7<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u517c\u5bb9\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u5b57\u7b26\u96c6\u6642\u9700\u8981\u8003\u616e\u7684\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\uff1a<\/strong>\u6839\u64da\u5b58\u5132\u7684\u6578\u64da\u985e\u578b\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u5b58\u5132\u591a\u7a2e\u8a9e\u8a00\u7684\u5b57\u7b26\uff0c\u5247\u61c9\u9078\u64c7utf8\u6216utf8mb4\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\u5728\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u6642\u7684\u6027\u80fd\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u4e00\u822c\u4f86\u8aaa\uff0cutf8mb4\u7684\u5b58\u5132\u9700\u6c42\u6703\u6bd4latin1\u9ad8\u3002<\/li>\n<li><strong>\u517c\u5bb9\u6027\uff1a<\/strong>\u78ba\u4fdd\u6240\u9078\u5b57\u7b26\u96c6\u8207\u61c9\u7528\u7a0b\u5e8f\u548c\u7528\u6236\u7aef\u7684\u517c\u5bb9\u6027\uff0c\u4ee5\u907f\u514d\u6578\u64da\u640d\u58de\u6216\u986f\u793a\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-umArYgreXy\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u4e2d\u7684CHARACTER SET\u6307\u4ee4\u662f\u7ba1\u7406\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u91cd\u8981\u5de5\u5177\u3002\u6b63\u78ba\u5730\u9078\u64c7\u548c\u4f7f\u7528\u5b57\u7b26\u96c6\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u517c\u5bb9\u6027\u3002\u5c0d\u65bc\u9700\u8981\u652f\u6301\u591a\u8a9e\u8a00\u6216\u7279\u6b8a\u5b57\u7b26\u7684\u61c9\u7528\uff0c\u5efa\u8b70\u4f7f\u7528utf8mb4\u5b57\u7b26\u96c6\u3002\u4e86\u89e3\u548c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\uff0c\u5c07\u6709\u52a9\u65bc\u66f4\u6709\u6548\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\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\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\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>\u4e86\u89e3MySQL\u4e2d\u7684CHARACTER SET\u6307\u4ee4\uff0c\u638c\u63e1\u5982\u4f55\u8bbe\u7f6e\u548c\u7ba1\u7406\u6570\u636e\u5e93\u5b57\u7b26\u96c6\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6b63\u786e\u5b58\u50a8\u4e0e\u663e\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-77910","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77910","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=77910"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77910\/revisions"}],"predecessor-version":[{"id":77911,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77910\/revisions\/77911"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}