{"id":187914,"date":"2024-11-11T18:14:19","date_gmt":"2024-11-11T10:14:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187914\/"},"modified":"2024-11-11T18:14:20","modified_gmt":"2024-11-11T10:14:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9%e6%8f%90%e7%a4%ba%ef%bc%9a%e5%a6%82%e4%bd%95%e5%b0%87%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187914\/","title":{"rendered":"\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u63d0\u793a\uff1a\u5982\u4f55\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff1f (\u6578\u64da\u5eab\u4fee\u6539utf8mb4)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9%e6%8f%90%e7%a4%ba%ef%bc%9a%e5%a6%82%e4%bd%95%e5%b0%87%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9-cNcwgKkYat\">\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u63d0\u793a\uff1a\u5982\u4f55\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5c24\u5176\u662f\u5c0d\u65bc\u9700\u8981\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u548c\u7279\u6b8a\u5b57\u7b26\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff0c\u9019\u662f\u4e00\u7a2e\u80fd\u5920\u652f\u6301\u6240\u6709Unicode\u5b57\u7b26\u7684\u5b57\u7b26\u96c6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afutf8mb4%ef%bc%9f-cNcwgKkYat\">\u4ec0\u9ebc\u662futf8mb4\uff1f<\/h2>\n<p>utf8mb4\u662fMySQL\u4e2d\u7684\u4e00\u7a2e\u5b57\u7b26\u96c6\uff0c\u80fd\u5920\u652f\u6301\u5b8c\u6574\u7684Unicode\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u8868\u60c5\u7b26\u865f\u548c\u5176\u4ed6\u7279\u6b8a\u5b57\u7b26\u3002\u8207\u50b3\u7d71\u7684utf8\u5b57\u7b26\u96c6\u76f8\u6bd4\uff0cutf8mb4\u80fd\u5920\u5b58\u5132\u66f4\u591a\u7684\u5b57\u7b26\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u5b57\u7b26\u96c6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%b0%87%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9%e7%82%bautf8mb4%ef%bc%9f-cNcwgKkYat\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5c07\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff1f<\/h2>\n<ul>\n<li><strong>\u652f\u6301\u591a\u8a9e\u8a00\uff1a<\/strong>utf8mb4\u80fd\u5920\u652f\u6301\u5404\u7a2e\u8a9e\u8a00\u7684\u5b57\u7b26\uff0c\u9019\u5c0d\u65bc\u570b\u969b\u5316\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u8868\u60c5\u7b26\u865f\u652f\u6301\uff1a<\/strong>\u96a8\u8457\u793e\u4ea4\u5a92\u9ad4\u548c\u5373\u6642\u901a\u8a0a\u7684\u666e\u53ca\uff0c\u8868\u60c5\u7b26\u865f\u7684\u4f7f\u7528\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\uff0cutf8mb4\u80fd\u5920\u5b8c\u7f8e\u652f\u6301\u9019\u4e9b\u5b57\u7b26\u3002<\/li>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\uff1a<\/strong>\u4f7f\u7528\u4e0d\u652f\u6301\u7684\u5b57\u7b26\u96c6\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u932f\u8aa4\uff0c\u9078\u64c7utf8mb4\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e4%bf%ae%e6%94%b9%e7%82%bautf8mb4%ef%bc%9f-cNcwgKkYat\">\u5982\u4f55\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff1f<\/h2>\n<p>\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684\u64cd\u4f5c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e5%ad%97%e7%ac%a6%e9%9b%86-cNcwgKkYat\">\u6b65\u9a5f\u4e00\uff1a\u6aa2\u67e5\u7576\u524d\u5b57\u7b26\u96c6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770b\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set_database';<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7684\u7d50\u679c\u4e0d\u662futf8mb4\uff0c\u5247\u9700\u8981\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86-cNcwgKkYat\">\u6b65\u9a5f\u4e8c\uff1a\u4fee\u6539\u6578\u64da\u5eab\u5b57\u7b26\u96c6<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u4fee\u6539\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;<\/code><\/pre>\n<p>\u8acb\u5c07<code>your_database_name<\/code>\u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e4%bf%ae%e6%94%b9%e8%a1%a8%e5%92%8c%e5%88%97%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-cNcwgKkYat\">\u6b65\u9a5f\u4e09\uff1a\u4fee\u6539\u8868\u548c\u5217\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u548c\u5217\u7684\u5b57\u7b26\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u4fee\u6539\u8868\u7684\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/code><\/pre>\n<p>\u540c\u6a23\uff0c\u8acb\u5c07<code>your_table_name<\/code>\u66ff\u63db\u70ba\u60a8\u7684\u8868\u540d\u7a31\u3002\u5c0d\u65bc\u6bcf\u500b\u9700\u8981\u4fee\u6539\u7684\u8868\uff0c\u60a8\u90fd\u9700\u8981\u57f7\u884c\u9019\u500b\u547d\u4ee4\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e6%aa%a2%e6%9f%a5%e4%bf%ae%e6%94%b9%e7%b5%90%e6%9e%9c-cNcwgKkYat\">\u6b65\u9a5f\u56db\uff1a\u6aa2\u67e5\u4fee\u6539\u7d50\u679c<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6aa2\u67e5\u8868\u548c\u5217\u7684\u5b57\u7b26\u96c6\u662f\u5426\u5df2\u6210\u529f\u4fee\u6539\uff1a<\/p>\n<pre><code>SHOW TABLE STATUS FROM your_database_name;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u8868\u7684\u5b57\u7b26\u96c6\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u78ba\u8a8d\u662f\u5426\u5df2\u7d93\u6210\u529f\u4fee\u6539\u70bautf8mb4\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-cNcwgKkYat\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u5b57\u7b26\u96c6\u4fee\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u4fee\u6539\u5b57\u7b26\u96c6\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u671f\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u4ee3\u78bc\u4e5f\u652f\u6301utf8mb4\u5b57\u7b26\u96c6\uff0c\u4ee5\u907f\u514d\u51fa\u73fe\u517c\u5bb9\u6027\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cNcwgKkYat\">\u7e3d\u7d50<\/h2>\n<p>\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\u662f\u4e00\u500b\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u80fd\u5920\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5b8c\u6210\u9019\u4e00\u904e\u7a0b\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5c07\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u4fee\u6539\u70bautf8mb4\uff0c\u78ba\u4fdd\u652f\u6301\u5b8c\u6574\u7684Unicode\u5b57\u7b26\uff0c\u63d0\u5347\u6578\u64da\u5b58\u5132\u548c\u986f\u793a\u7684\u517c\u5bb9\u6027\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-187914","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187914","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=187914"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187914\/revisions"}],"predecessor-version":[{"id":187915,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187914\/revisions\/187915"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}