{"id":97146,"date":"2024-10-20T15:23:15","date_gmt":"2024-10-20T07:23:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97146\/"},"modified":"2024-10-20T15:23:15","modified_gmt":"2024-10-20T07:23:15","slug":"qt%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e5%88%aa%e9%99%a4mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-qt%e5%88%aa%e9%99%a4mysql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97146\/","title":{"rendered":"Qt\u5982\u4f55\u9ad8\u6548\u522a\u9664MySQL\u6578\u64da\u5eab\uff1f (qt\u522a\u9664mysql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"qt%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e5%88%aa%e9%99%a4mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-ApmjtSgwsH\">Qt\u5982\u4f55\u9ad8\u6548\u522a\u9664MySQL\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u74b0\u7bc0\u3002\u7279\u5225\u662f\u7576\u9700\u8981\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684MySQL\u6578\u64da\u5eab\u6642\uff0c\u4f7f\u7528Qt\u9032\u884c\u64cd\u4f5c\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Qt\u9ad8\u6548\u5730\u522a\u9664MySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"1-%e7%9e%ad%e8%a7%a3qt%e8%88%87mysql%e7%9a%84%e9%80%a3%e6%8e%a5-ApmjtSgwsH\">1. \u77ad\u89e3Qt\u8207MySQL\u7684\u9023\u63a5<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fddQt\u74b0\u5883\u5df2\u7d93\u6b63\u78ba\u914d\u7f6e\u4ee5\u652f\u6301MySQL\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5b89\u88ddQt\u7684MySQL\u9a45\u52d5\u7a0b\u5e8f\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u6aa2\u67e5\u548c\u914d\u7f6e\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5df2\u5b89\u88ddMySQL\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5b89\u88ddQt\u7684MySQL\u9a45\u52d5\u7a0b\u5e8f\uff0c\u901a\u5e38\u53ef\u4ee5\u5728Qt\u7684\u5b89\u88dd\u76ee\u9304\u4e2d\u627e\u5230\u3002<\/li>\n<li>\u5728Qt Creator\u4e2d\uff0c\u901a\u904e\u6dfb\u52a0\u76f8\u61c9\u7684\u5eab\u4f86\u914d\u7f6e\u9805\u76ee\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e9%80%a3%e6%8e%a5%e5%88%b0mysql%e6%95%b8%e6%93%9a%e5%ba%ab-ApmjtSgwsH\">2. \u9023\u63a5\u5230MySQL\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u522a\u9664\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207MySQL\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n#include &lt;QSqlDatabase&gt;\n#include &lt;QSqlError&gt;\n#include &lt;QSqlQuery&gt;\n\nQSqlDatabase db = QSqlDatabase::addDatabase(\"QMYSQL\");\ndb.setHostName(\"localhost\");\ndb.setDatabaseName(\"your_database_name\");\ndb.setUserName(\"your_username\");\ndb.setPassword(\"your_password\");\n\nif (!db.open()) {\n    qDebug() &lt;&lt; \"\u7121\u6cd5\u9023\u63a5\u5230\u6578\u64da\u5eab\uff1a\" &lt;&lt; db.lastError().text();\n}\n<\/code><\/pre>\n<h2 id=\"3-%e5%88%aa%e9%99%a4mysql%e6%95%b8%e6%93%9a%e5%ba%ab-ApmjtSgwsH\">3. \u522a\u9664MySQL\u6578\u64da\u5eab<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u522a\u9664\u6578\u64da\u5eab\u3002\u522a\u9664\u6578\u64da\u5eab\u7684SQL\u8a9e\u53e5\u70ba\uff1a<\/p>\n<pre><code>\nDROP DATABASE database_name;\n<\/code><\/pre>\n<p>\u5728Qt\u4e2d\u57f7\u884c\u9019\u500b\u64cd\u4f5c\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nQSqlQuery query;\nif (!query.exec(\"DROP DATABASE your_database_name\")) {\n    qDebug() &lt;&lt; \"\u522a\u9664\u6578\u64da\u5eab\u5931\u6557\uff1a\" &lt;&lt; query.lastError().text();\n} else {\n    qDebug() &lt;&lt; \"\u6578\u64da\u5eab\u522a\u9664\u6210\u529f\uff01\";\n}\n<\/code><\/pre>\n<h2 id=\"4-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ApmjtSgwsH\">4. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u4e2d\u6c92\u6709\u91cd\u8981\u6578\u64da\uff0c\u56e0\u70ba\u522a\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\u3002<\/li>\n<li>\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff0c\u78ba\u4fdd\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u7684\u7528\u6236\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%b8%bd%e7%b5%90-ApmjtSgwsH\">5. \u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Qt\u522a\u9664MySQL\u6578\u64da\u5eab\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u884c\u4ee3\u78bc\u5373\u53ef\u5b8c\u6210\u3002\u7136\u800c\uff0c\u958b\u767c\u8005\u5728\u9032\u884c\u6b64\u64cd\u4f5c\u6642\u5fc5\u9808\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u4ee3\u78bc\u5be6\u73fe\uff0cQt\u53ef\u4ee5\u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\u4f86\u7ba1\u7406MySQL\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Qt\u9ad8\u6548\u522a\u9664MySQL\u6578\u64da\u5eab\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\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-97146","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97146","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=97146"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97146\/revisions"}],"predecessor-version":[{"id":97147,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97146\/revisions\/97147"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}