{"id":6254,"date":"2024-11-14T10:20:40","date_gmt":"2024-11-14T02:20:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6254\/"},"modified":"2024-11-14T10:20:40","modified_gmt":"2024-11-14T02:20:40","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bmysql%e7%9a%84%e7%bc%96%e7%a0%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6254\/","title":{"rendered":"\u5982\u4f55\u67e5\u770bmysql\u7684\u7f16\u7801"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u6267\u884cshow variables like &#8216;character_set_database&#8217;;\u67e5\u8be2\uff0c\u53ef\u4ee5\u67e5\u770bmysql\u6570\u636e\u5e93\u7684\u5f53\u524d\u5b57\u7b26\u7f16\u7801\u3002\u5e38\u89c1\u5b57\u7b26\u7f16\u7801\u5305\u62ec\uff1autf8\u3001utf8mb4\u3001latin1\u3001gbk\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/15\/2024061517011537371.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u67e5\u770bmysql\u7684\u7f16\u7801\u63d2\u56fe\" alt=\"\u5982\u4f55\u67e5\u770bmysql\u7684\u7f16\u7801\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u67e5\u770bMySQL\u7f16\u7801<\/strong><\/p>\n<p>MySQL\u662f\u6d41\u884c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5176\u4e2d\u6570\u636e\u7684\u7f16\u7801\u81f3\u5173\u91cd\u8981\u3002\u4e86\u89e3\u6570\u636e\u5e93\u7684\u7f16\u7801\u5bf9\u4e8e\u786e\u4fdd\u6570\u636e\u6b63\u786e\u5b58\u50a8\u548c\u5904\u7406\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u67e5\u770bMySQL\u7f16\u7801\u7684\u6b65\u9aa4\uff1a<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u901a\u8fc7\u547d\u4ee4\u884c\u6216MySQL\u5ba2\u6237\u7aef\u5de5\u5177\u8fde\u63a5\u5230\u4f60\u7684MySQL\u6570\u636e\u5e93\u3002<\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u6267\u884c\u67e5\u8be2<\/strong><\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u67e5\u8be2\u4ee5\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u7684\u5b57\u7b26\u7f16\u7801\u4fe1\u606f\uff1a<\/p>\n<pre>SHOW VARIABLES LIKE 'character_set_database';<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 3\uff1a\u89e3\u91ca\u7ed3\u679c<\/strong><\/p>\n<p>\u67e5\u8be2\u5c06\u8fd4\u56de\u4e00\u884c\uff0c\u5176\u4e2d\u5305\u542b\u540d\u4e3a<strong>character_set_database<\/strong>\u7684\u53d8\u91cf\u3002\u53d8\u91cf\u7684\u503c\u5c31\u662f\u5f53\u524d\u6570\u636e\u5e93\u7684\u5b57\u7b26\u7f16\u7801\u3002<\/p>\n<p><strong>\u5e38\u89c1\u5b57\u7b26\u7f16\u7801<\/strong><\/p>\n<p>\u6700\u5e38\u7528\u7684MySQL\u5b57\u7b26\u7f16\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>utf8<\/strong>\uff1a\u4e00\u79cd\u901a\u7528\u7684Unicode\u7f16\u7801\uff0c\u652f\u6301\u5927\u591a\u6570\u8bed\u8a00\u548c\u5b57\u7b26\u3002<\/li>\n<li> <strong>utf8mb4<\/strong>\uff1a\u4e0eutf8\u7c7b\u4f3c\uff0c\u4f46\u652f\u6301\u66f4\u5927\u7684\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u53f7\u548c\u7f55\u89c1\u5b57\u7b26\u3002<\/li>\n<li> <strong>latin1<\/strong>\uff1a\u4e00\u79cd\u4ec5\u652f\u6301\u897f\u6b27\u8bed\u8a00\u7684\u5355\u5b57\u8282\u7f16\u7801\u3002<\/li>\n<li> <strong>gbk<\/strong>\uff1a\u4e00\u79cd\u652f\u6301\u4e2d\u6587\u7b80\u4f53\u7684\u53cc\u5b57\u8282\u7f16\u7801\u3002<\/li>\n<\/ul>\n<p><strong>\u91cd\u8981\u63d0\u793a<\/strong><\/p>\n<p>\u786e\u4fdd\u4f60\u7684\u6570\u636e\u5e93\u7f16\u7801\u4e0e\u4f60\u8981\u5b58\u50a8\u548c\u5904\u7406\u7684\u6570\u636e\u7c7b\u578b\u76f8\u5339\u914d\u3002\u4e0d\u5339\u914d\u7684\u7f16\u7801\u4f1a\u5bfc\u81f4\u6570\u636e\u635f\u574f\u6216\u663e\u793a\u95ee\u9898\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u67e5\u770b\u7684\u7f16\u7801\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u8fc7\u6267\u884cshow variables like &#8216;character_set_database&#8217;;\u67e5\u8be2\uff0c\u53ef\u4ee5\u67e5\u770bmysql\u6570\u636e\u5e93\u7684\u5f53\u524d\u5b57\u7b26\u7f16\u7801\u3002\u5e38\u89c1\u5b57\u7b26\u7f16\u7801\u5305\u62ec\uff1autf8\u3001utf8mb4\u3001latin1\u3001gbk\u3002 \u5982\u4f55\u67e5\u770bMySQL\u7f16\u7801 MySQL\u662f\u6d41\u884c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5176\u4e2d\u6570\u636e\u7684\u7f16\u7801\u81f3\u5173\u91cd\u8981\u3002\u4e86\u89e3\u6570\u636e\u5e93\u7684\u7f16\u7801\u5bf9\u4e8e\u786e\u4fdd\u6570\u636e\u6b63\u786e\u5b58\u50a8\u548c\u5904\u7406\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u67e5\u770bMySQL\u7f16\u7801\u7684\u6b65\u9aa4\uff1a \u6b65\u9aa4 1\uff1a\u8fde\u63a5\u5230\u6570\u636e\u5e93 \u9996\u5148\uff0c\u901a\u8fc7\u547d\u4ee4\u884c\u6216MySQL\u5ba2\u6237\u7aef\u5de5\u5177\u8fde\u63a5\u5230\u4f60\u7684MySQL\u6570\u636e\u5e93\u3002 \u6b65\u9aa4 2\uff1a\u6267\u884c\u67e5\u8be2 \u8fd0\u884c\u4ee5\u4e0b\u67e5\u8be2\u4ee5\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u7684\u5b57\u7b26\u7f16\u7801\u4fe1\u606f\uff1a SHOW VARIABLES LIKE &#8216;character_set_database&#8217;; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 3\uff1a\u89e3\u91ca\u7ed3\u679c \u67e5\u8be2\u5c06\u8fd4\u56de\u4e00\u884c\uff0c\u5176\u4e2d\u5305\u542b\u540d\u4e3acharacter_set_database\u7684\u53d8\u91cf\u3002\u53d8\u91cf\u7684\u503c\u5c31\u662f\u5f53\u524d\u6570\u636e\u5e93\u7684\u5b57\u7b26\u7f16\u7801\u3002 \u5e38\u89c1\u5b57\u7b26\u7f16\u7801 \u6700\u5e38\u7528\u7684MySQL\u5b57\u7b26\u7f16\u7801\u5305\u62ec\uff1a utf8\uff1a\u4e00\u79cd\u901a\u7528\u7684Unicode\u7f16\u7801\uff0c\u652f\u6301\u5927\u591a\u6570\u8bed\u8a00\u548c\u5b57\u7b26\u3002 utf8mb4\uff1a\u4e0eutf8\u7c7b\u4f3c\uff0c\u4f46\u652f\u6301\u66f4\u5927\u7684\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u53f7\u548c\u7f55\u89c1\u5b57\u7b26\u3002 latin1\uff1a\u4e00\u79cd\u4ec5\u652f\u6301\u897f\u6b27\u8bed\u8a00\u7684\u5355\u5b57\u8282\u7f16\u7801\u3002 gbk\uff1a\u4e00\u79cd\u652f\u6301\u4e2d\u6587\u7b80\u4f53\u7684\u53cc\u5b57\u8282\u7f16\u7801\u3002 \u91cd\u8981\u63d0\u793a \u786e\u4fdd\u4f60\u7684\u6570\u636e\u5e93\u7f16\u7801\u4e0e\u4f60\u8981\u5b58\u50a8\u548c\u5904\u7406\u7684\u6570\u636e\u7c7b\u578b\u76f8\u5339\u914d\u3002\u4e0d\u5339\u914d\u7684\u7f16\u7801\u4f1a\u5bfc\u81f4\u6570\u636e\u635f\u574f\u6216\u663e\u793a\u95ee\u9898\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u67e5\u770b\u7684\u7f16\u7801\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6254","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6254"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6254\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}