{"id":199743,"date":"2025-05-06T08:34:19","date_gmt":"2025-05-06T00:34:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199743\/"},"modified":"2025-05-06T08:34:19","modified_gmt":"2025-05-06T00:34:19","slug":"%e8%a7%a3%e5%86%b3mysql%e5%ae%89%e8%a3%85%e8%bf%87%e7%a8%8b%e4%b8%ad%e5%87%ba%e7%8e%b0%e7%9a%84%e4%b8%ad%e6%96%87%e4%b9%b1%e7%a0%81%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199743\/","title":{"rendered":"\u89e3\u51b3MySQL\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u4e2d\u6587\u4e71\u7801\u95ee\u9898"},"content":{"rendered":"

<\/b> <\/p>\n

\u89e3\u51b3MySQL\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u4e2d\u6587\u4e71\u7801\u95ee\u9898<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

\u5f53\u6211\u4eec\u5728\u5b89\u88c5MySQL\u65f6\u51fa\u73b0\u4e2d\u6587\u4e71\u7801\u60c5\u51b5\u65f6\uff0c\u901a\u5e38\u662f\u56e0\u4e3a\u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u4e0d\u6b63\u786e\u6240\u5bfc\u81f4\u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u5bf9MySQL\u7684\u5b57\u7b26\u96c6\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u786e\u4fdd\u53ef\u4ee5\u6b63\u786e\u5b58\u50a8\u548c\u5c55\u793a\u4e2d\u6587\u5b57\u7b26\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u5982\u4f55\u5904\u7406MySQL\u5b89\u88c5\u65f6\u51fa\u73b0\u7684\u4e2d\u6587\u4e71\u7801\u60c5\u51b5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u67e5\u770bMySQL\u5f53\u524d\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e<\/h3>\n

\u5728\u89e3\u51b3MySQL\u4e2d\u6587\u4e71\u7801\u95ee\u9898\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5f53\u524dMySQL\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u67e5\u770b\uff1a<\/p>\n

SHOW VARIABLES LIKE 'character%';<\/pre>\n
\u8fd0\u884c\u4ee5\u4e0aSQL\u8bed\u53e5\u53ef\u4ee5\u67e5\u770b\u5230MySQL\u5f53\u524d\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\uff0c\u5305\u62eccharacter_set_database\u3001character_set_server\u3001character_set_client\u7b49\u3002<\/p>\n
2. \u4fee\u6539MySQL\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e<\/h3>\n
\u5982\u679c\u53d1\u73b0MySQL\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u4e0d\u6b63\u786e\u5bfc\u81f4\u4e2d\u6587\u4e71\u7801\uff0c\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u6574\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
2.1 \u4fee\u6539\u914d\u7f6e\u6587\u4ef6my.cnf<\/h4>\n
vim \/etc\/my.cnf<\/pre>\n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6216\u4fee\u6539\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
[client]\ndefault-character-set=utf8mb4\n\n[mysql]\ndefault-character-set=utf8mb4\n\n[mysqld]\ncharacter-set-server=utf8mb4\ncollation-server=utf8mb4_unicode_ci\ninit_connect='SET NAMES utf8mb4'<\/pre>\n
2.2 \u4fee\u6539\u6570\u636e\u5e93\u548c\u8868\u7684\u5b57\u7b26\u96c6<\/h4>\n
ALTER DATABASE my_database CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;\n\nALTER TABLE my_table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;<\/pre>\n
3. \u91cd\u542fMySQL\u670d\u52a1<\/h3>\n
\u4fee\u6539\u5b8c\u5b57\u7b26\u96c6\u8bbe\u7f6e\u540e\uff0c\u8bb0\u5f97\u91cd\u65b0\u542f\u52a8MySQL\u670d\u52a1\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n
systemctl restart mysql<\/pre>\n
4. \u6d4b\u8bd5\u4e2d\u6587\u5b57\u7b26\u5b58\u50a8\u548c\u67e5\u8be2<\/h3>\n
\u6700\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u63d2\u5165\u548c\u67e5\u8be2\u4e2d\u6587\u5b57\u7b26\u6765\u6d4b\u8bd5MySQL\u662f\u5426\u5df2\u6b63\u786e\u5904\u7406\u4e2d\u6587\u5b57\u7b26\uff1a<\/p>\n
INSERT INTO my_table (column_name) VALUES ('\u4e2d\u6587\u6d4b\u8bd5');\n\nSELECT * FROM my_table WHERE column_name = '\u4e2d\u6587\u6d4b\u8bd5';<\/pre>\n
\u901a\u8fc7\u4ee5\u4e0a\u64cd\u4f5c\uff0c\u5e94\u8be5\u53ef\u4ee5\u89e3\u51b3MySQL\u5b89\u88c5\u65f6\u51fa\u73b0\u7684\u4e2d\u6587\u4e71\u7801\u60c5\u51b5\uff0c\u786e\u4fdd\u53ef\u4ee5\u6b63\u786e\u5b58\u50a8\u548c\u5c55\u793a\u4e2d\u6587\u5b57\u7b26\u3002\u5e0c\u671b\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u5bf9\u89e3\u51b3\u95ee\u9898\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u89e3\u51b3MySQL\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u4e2d\u6587\u4e71\u7801\u95ee\u9898\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u89e3\u51b3MySQL\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u4e2d...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199743","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199743","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199743"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199743\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}