{"id":338,"date":"2023-12-27T21:24:37","date_gmt":"2023-12-27T13:24:37","guid":{"rendered":"https:\/\/blog.zwdblog.online\/?p=338"},"modified":"2024-06-05T20:37:40","modified_gmt":"2024-06-05T12:37:40","slug":"%e8%ae%b0qt%e8%bf%9e%e6%8e%a5mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e9%94%99%e8%af%af%e4%bb%a5%e5%8f%8a%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.zwdblog.online\/index.php\/2023\/12\/27\/%e8%ae%b0qt%e8%bf%9e%e6%8e%a5mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e9%94%99%e8%af%af%e4%bb%a5%e5%8f%8a%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u8bb0Qt\u8fde\u63a5MySQL\u6570\u636e\u5e93\u7684\u9519\u8bef\u4ee5\u53ca\u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"\n

\u7531\u4e8e\u9700\u8981\uff0c\u4e0d\u5f97\u4e0d\u7528Qt\u8fde\u63a5MySQL\u4ee5\u8fdb\u884c\u6570\u636e\u7684\u6c38\u4e45\u4fdd\u5b58\u4ee5\u53ca\u4e00\u4e9b\u5f00\u53d1\u9700\u6c42\uff0c\u4f46\u662fQt\u6210\u529f\u8fde\u63a5\u6570\u636e\u5e93\u5e76\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u8fc7\u7a0b\u5f80\u5f80\u662f\u6709\u70b9\u590d\u6742\uff0c\u4e8b\u5b9e\u4e5f\u786e\u5b9e\u5982\u6b64\uff0c\u4e0d\u50cf\u4ec0\u4e48IDEA\u4e00\u6837\u7b80\u6d01\u660e\u4e86\uff0c\u5c31\u6b64\u8bb0\u5f55\u4e00\u4e0b\u5728\u6b64\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u9519\u8bef\u4ee5\u53ca\u5982\u4f55\u89e3\u51b3\u3002<\/p>\n\n\n\n

\u9996\u5148\uff0c\u63a8\u8350\u4e0b5.9\u6216\u80055.12\u7248\u672c\u7684Qt\uff0c\u4e0b\u8f7d\u5730\u5740\u5728\u6b64<\/a>\u3002\u56e0\u4e3a\u6839\u636e\u6211\u8fde\u7eed\u67e5\u770b\u591a\u4e2aQt\u7248\u672c\u4e0b\u7684sqldivers\u7684\u6587\u4ef6\uff0c\u6682\u65f6\u53d1\u73b0\u8fd9\u4fe9\u4e2a\u7248\u672c\u4e0b\u7684sqldivers\u91cc\u6709qsqlmysql.ddl\u548cqmysqld.ddl\u9a71\u52a8\u63d2\u4ef6\uff0c\u800c\u8fd9\u4e24\u4e2a\u63d2\u4ef6\uff0c\u5c31\u662fQt\u8fde\u63a5\u6570\u636e\u5e93\u5e76\u6210\u529f\u6267\u884c\u7684\u5173\u952e\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n

\n
\"Qt\"
\u5b83\u7684\u8def\u5f84\u5728D:\\Qt\\5.12.0\\mingw73_64\\plugins\\sqldrivers\uff08\u8fd9\u662f\u6211\u7684\u8def\u5f84\uff09<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

\u5176\u6b21\u8fd8\u9700\u8981\u4e00\u4e2a\u7531MySQL \u5b98\u65b9\u63d0\u4f9b\u7684 C \u8bed\u8a00\u5ba2\u6237\u7aef\u5e93\uff0c\u7528\u6765\u5728 C\/C++ \u7a0b\u5e8f\u4e2d\u4e0e MySQL \u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\uff0c\u53ebmysql-connector-c\uff0c\u53ef\u4ee5\u53bb\u5b98\u7f51<\/a>\u4e0b\u8f7d\uff0c\u6216\u8005\u5728\u8fd9<\/a>\uff08\u6ce8\uff1a\u81ea\u884c\u9009\u62e9\u7248\u672c\uff0c\u5982\u679c\u4f60\u7684\u7f16\u8bd1\u5668\u662f64\u4f4d\u7684\uff0c\u5f97\u4e0b64\u4f4d\u7684\uff0c\u5982\u679c\u662f32\u4f4d\u7684\u7f16\u8bd1\u5668\u5c31\u5f97\u4e0b32\u4f4d\u7684\uff09\uff0c\u4e0b\u597d\u540e\uff0c\u8fdb\u5165\u5230lib\u6587\u4ef6\uff0c\u628alibmysql.ddl\uff08\u6211\u7684\u8def\u5f84\u662fD:\\MYSQLconectODBCx32\\mysql_conector_cx64\\lib\uff09\u590d\u5236\u5230Qt\u7684\u7f16\u8bd1\u5668\u7684bin\u6587\u4ef6\u91cc\uff08\u6211\u7684\u8def\u5f84\u662fD:\\Qt\\5.12.0\\mingw73_64\\bin\uff09\uff0c\u8fd9\u6837\u4ee5\u540e\u4ee3\u7801\u4e2d\u52a0\u4e0a\u4f60\u7684\u6570\u636e\u5e93\u540d\u4e0e\u7528\u6237\u5bc6\u7801\u4e4b\u540e\u5c31\u80fd\u6109\u5feb\u7684\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93\uff0c\u4e5f\u80fd\u64cd\u4f5c\u4e86\u3002<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u6b63\u5e38\u60c5\u51b5\u662f\u80fd\u4f7f\u7528\u4e86\uff0c\u4f46\u662f\uff0c\u5982\u679c\u4e00\u8fd0\u884cQt\u9879\u76ee\u53c8\u62a5\u9519\uff0c\u9519\u8bef\u4fe1\u606f\u5982\u4e0b<\/p>\n\n\n\n

\u6253\u5f00\u6570\u636e\u5e93\u65f6\u51fa\u9519\uff1a “SSL connection error: unknown error number QMYSQL: Unable to connect”<\/mark><\/p>\n\n\n\n

\u6b64\u65f6\u5c31\u662fSSL\u7684\u95ee\u9898\u4e86\uff0c\u56e0\u4e3aSSL\u6253\u5f00\u4e86\uff0c\u90a3\u4e48\u5c31\u8981\u5173\u95edSSL\u670d\u52a1\uff0c\u90a3\u4e48\u5982\u4f55\u67e5\u770b\u662f\u4e0d\u662f\u771f\u6253\u5f00\u4e86\u5462\uff0c\u9996\u5148\u6253\u5f00MySQL\u6570\u636e\u5e93\u7136\u540e\u8fdb\u5165\u5230\u547d\u4ee4\u884c<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u8f93\u5165\u6570\u636e\u5e93\u5bc6\u7801\u540e\u8f93\u5165\u547d\u4ee4 SHOW VARIABLES LIKE '%ssl%';<\/code><\/p>\n\n\n

\n
\"Qt\"
\u53ef\u770b\u5230SSL\u670d\u52a1\u662f\u6253\u5f00\u7684\u72b6\u6001\uff08YES)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

\u7136\u540e\u8fdb\u5165my.ini\u6587\u4ef6\u91cc\u52a0\u4e00\u6761\u8bed\u53e5 skip_ssl,\u5f97\u52a0\u5728mysqld\u4e0b\uff0c\u5982<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u5982\u679c\u627e\u4e0d\u5230my.ini\u7684\u4f4d\u7f6e\uff0c\u9996\u5148\uff0c\u53f3\u952e\u6b64\u7535\u8111->\u670d\u52a1\uff0c\u7136\u540e\u5f80\u4e0b\u6ed1\u5230MySQL\u4f4d\u7f6e\u53f3\u952e\u5c5e\u6027\u5c31\u80fd\u770b\u5230\uff0c\u5982\u56fe<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u6539\u5b8c\u540e\u91cd\u542f\u4e00\u4e0bMySQL\u670d\u52a1\u5373\u53ef\uff0c\u4f60\u5c31\u4f1a\u53d1\u73b0SSL\u670d\u52a1\u5df2\u5173\u95ed\uff0c\u6b64\u65f6\u4f60\u5c31\u4f1a\u53d1\u73b0\u6210\u529f\u8fde\u63a5\u5e76\u542f\u52a8\u6253\u5f00\u6570\u636e\u5e93\u4e86\uff01<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n
\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u4f46\u662f\uff0c\u6709\u4e9b\u7535\u8111\u8fd8\u4f1a\u9047\u5230\u95ee\u9898\uff0c\u5c31\u6bd4\u5982\u6211\u7528\u7684\u53e6\u4e00\u53f0\u7535\u8111\u62a5\u9519\uff1a
“Authentication plugin ‘caching_sha2_password’ cannot be loaded: \u627e\u4e0d\u5230\u6307\u5b9a\u7684\u6a21\u5757\u3002\\r\\nQMYSQL: Unable to connect”<\/mark>
\u539f\u56e0\u662f MySQL \u670d\u52a1\u5668\u914d\u7f6e\u4e86 caching_sha2_password<\/code> \u8ba4\u8bc1\u63d2\u4ef6\uff0c\u800c\u4f60\u7684 MySQL \u5ba2\u6237\u7aef\uff08\u5728\u8fd9\u91cc\u662f Qt \u5e94\u7528\u7a0b\u5e8f\uff09\u53ef\u80fd\u4e0d\u652f\u6301\u6216\u8005\u6ca1\u6709\u6b63\u786e\u914d\u7f6e\u8fd9\u4e2a\u63d2\u4ef6\uff0c\u6b64\u65f6\u66f4\u6539 MySQL \u7528\u6237\u7684\u8ba4\u8bc1\u63d2\u4ef6\u5373\u53ef\u3002\u547d\u4ee4\u884c\u8f93\u5165 select user,host,plugin from mysql.user;<\/code>\u4f60\u4f1a\u770b\u5230<\/p>\n\n\n

\n
\"Qt\"<\/figure>\n<\/div>\n\n\n

\u7136\u540e\u518d\u6267\u884c ALTER USER 'username'@'localhost' IDENTIFIED WITH 'mysql_native_password' BY 'password'<\/code>;\uff08\u5176\u4e2d\uff0c'username'@'localhost'<\/code> \u662f\u4f60\u7684\u7528\u6237\u540d\u548c\u4e3b\u673a\uff0c'password'<\/code> \u662f\u4f60\u7684\u65b0\u5bc6\u7801\uff0c\u5bc6\u7801\u53ef\u81ea\u5df1\u8bbe\u7f6e\uff09\u3002<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\u6700\u540e\u518d\u6267\u884c\u4e00\u4e0b flush privileges;<\/code>\u5373\u53ef\u3002<\/p>\n\n\n\n

\u6b64\u65f6\u6240\u6709\u9519\u8bef\u5c31\u90fd\u89e3\u51b3\u4e86\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528\u4e86\uff0c\u6210\u529f\u8fde\u63a5\u5e76\u6210\u529f\u6267\u884c\u3002\uff08\u6ce8\uff1a\u5728pro\u6587\u4ef6\u91cc\uff0c\u8981\u52a0\u4e0aQT += sql\u8fd9\u6bb5\u4ee3\u7801\uff09<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7531\u4e8e\u9700\u8981\uff0c\u4e0d\u5f97\u4e0d\u7528Qt\u8fde\u63a5MySQL\u4ee5\u8fdb\u884c\u6570\u636e\u7684\u6c38\u4e45\u4fdd\u5b58\u4ee5\u53ca […]<\/p>\n","protected":false},"author":1,"featured_media":352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qt"],"_links":{"self":[{"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/posts\/338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/comments?post=338"}],"version-history":[{"count":0,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/posts\/338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/media\/352"}],"wp:attachment":[{"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/media?parent=338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/categories?post=338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zwdblog.online\/index.php\/wp-json\/wp\/v2\/tags?post=338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}