{"id":76306,"date":"2024-10-16T05:34:15","date_gmt":"2024-10-15T21:34:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76306\/"},"modified":"2024-10-16T05:34:15","modified_gmt":"2024-10-15T21:34:15","slug":"mysql%e8%a8%ad%e7%bd%ae%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76306\/","title":{"rendered":"MySQL\u8a2d\u7f6e\u5b57\u7b26\u7de8\u78bc\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"mysql%e8%a8%ad%e7%bd%ae%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e7%9a%84%e6%96%b9%e6%b3%95-bEHoSYYPEH\">MySQL\u8a2d\u7f6e\u5b57\u7b26\u7de8\u78bc\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u7de8\u78bc\u7684\u6b63\u78ba\u8a2d\u7f6e\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u7de8\u78bc\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u8655\u7406\u5404\u7a2e\u8a9e\u8a00\u548c\u7b26\u865f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u4e2d\u8a2d\u7f6e\u5b57\u7b26\u7de8\u78bc\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%ef%bc%9f-bEHoSYYPEH\">\u4ec0\u9ebc\u662f\u5b57\u7b26\u7de8\u78bc\uff1f<\/h2>\n<p>\u5b57\u7b26\u7de8\u78bc\u662f\u4e00\u7a2e\u5c07\u5b57\u7b26\u6620\u5c04\u5230\u6578\u5b57\u7684\u7cfb\u7d71\u3002\u4e0d\u540c\u7684\u7de8\u78bc\u65b9\u5f0f\u53ef\u4ee5\u652f\u6301\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\uff0c\u4f8b\u5982UTF-8\u3001latin1\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u7de8\u78bc\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">MySQL\u4e2d\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5b57\u7b26\u7de8\u78bc\u53ef\u4ee5\u5728\u591a\u500b\u5c64\u9762\u4e0a\u9032\u884c\u8a2d\u7f6e\uff0c\u5305\u62ec\u4f3a\u670d\u5668\u5c64\u7d1a\u3001\u6578\u64da\u5eab\u5c64\u7d1a\u3001\u8868\u5c64\u7d1a\u548c\u5217\u5c64\u7d1a\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u9019\u4e9b\u5c64\u9762\u4e0a\u8a2d\u7f6e\u5b57\u7b26\u7de8\u78bc\u7684\u8a73\u7d30\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%b1%a4%e7%b4%9a%e7%9a%84%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">1. \u4f3a\u670d\u5668\u5c64\u7d1a\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h3>\n<p>\u8981\u8a2d\u7f6eMySQL\u4f3a\u670d\u5668\u7684\u9ed8\u8a8d\u5b57\u7b26\u7de8\u78bc\uff0c\u53ef\u4ee5\u5728MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff09\u4e2d\u9032\u884c\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>[mysqld]\ncharacter-set-server=utf8mb4\ncollation-server=utf8mb4_unicode_ci\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u6240\u6709\u65b0\u5275\u5efa\u7684\u6578\u64da\u5eab\u548c\u8868\u5c07\u9ed8\u8a8d\u4f7f\u7528utf8mb4\u5b57\u7b26\u7de8\u78bc\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4%e7%b4%9a%e7%9a%84%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">2. \u6578\u64da\u5eab\u5c64\u7d1a\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h3>\n<p>\u5728\u5275\u5efa\u6578\u64da\u5eab\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u5b57\u7b26\u7de8\u78bc\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n<\/code><\/pre>\n<p>\u9019\u6a23\u5275\u5efa\u7684\u6578\u64da\u5eab\u5c07\u4f7f\u7528utf8mb4\u7de8\u78bc\u3002<\/p>\n<h3 id=\"3-%e8%a1%a8%e5%b1%a4%e7%b4%9a%e7%9a%84%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">3. \u8868\u5c64\u7d1a\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h3>\n<p>\u5728\u5275\u5efa\u8868\u6642\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a\u5b57\u7b26\u7de8\u78bc\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(100)\n) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n<\/code><\/pre>\n<p>\u9019\u6a23\u5275\u5efa\u7684\u8868\u5c07\u4f7f\u7528utf8mb4\u7de8\u78bc\u3002<\/p>\n<h3 id=\"4-%e5%88%97%e5%b1%a4%e7%b4%9a%e7%9a%84%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">4. \u5217\u5c64\u7d1a\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h3>\n<p>\u5728\u5275\u5efa\u5217\u6642\uff0c\u53ef\u4ee5\u70ba\u7279\u5b9a\u5217\u6307\u5b9a\u5b57\u7b26\u7de8\u78bc\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci\n);\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u53ea\u6709name\u5217\u5c07\u4f7f\u7528utf8mb4\u7de8\u78bc\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e8%a8%ad%e7%bd%ae-bEHoSYYPEH\">\u6aa2\u67e5\u7576\u524d\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e<\/h2>\n<p>\u8981\u6aa2\u67e5\u7576\u524d\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set%';\nSHOW VARIABLES LIKE 'collation%';\n<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u4f3a\u670d\u5668\u3001\u6578\u64da\u5eab\u3001\u8868\u548c\u5217\u7684\u5b57\u7b26\u7de8\u78bc\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-bEHoSYYPEH\">\u5e38\u898b\u554f\u984c<\/h2>\n<ul>\n<li><strong>\u70ba\u4ec0\u9ebc\u9078\u64c7utf8mb4\uff1f<\/strong> <br \/>utf8mb4\u662fUTF-8\u7684\u8d85\u96c6\uff0c\u652f\u6301\u6240\u6709Unicode\u5b57\u7b26\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u865f\u3002<\/li>\n<li><strong>\u5982\u4f55\u8f49\u63db\u73fe\u6709\u6578\u64da\u5eab\u7684\u5b57\u7b26\u7de8\u78bc\uff1f<\/strong> <br \/>\u53ef\u4ee5\u4f7f\u7528ALTER DATABASE\u548cALTER TABLE\u8a9e\u53e5\u4f86\u8f49\u63db\u5b57\u7b26\u7de8\u78bc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bEHoSYYPEH\">\u7e3d\u7d50<\/h2>\n<p>\u6b63\u78ba\u8a2d\u7f6eMySQL\u7684\u5b57\u7b26\u7de8\u78bc\u5c0d\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u5728\u4f3a\u670d\u5668\u3001\u6578\u64da\u5eab\u3001\u8868\u9084\u662f\u5217\u5c64\u7d1a\uff0c\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u7de8\u78bc\u90fd\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MySQL\u4e2d\u8a2d\u7f6e\u5b57\u7b26\u7de8\u78bc\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u5b58\u5132\u548c\u986f\u793a\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7684\u517c\u5bb9\u6027\u548c\u6027\u80fd\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-76306","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76306","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=76306"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76306\/revisions"}],"predecessor-version":[{"id":76307,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76306\/revisions\/76307"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}