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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] > [參考](https://www.codenong.com/cs105387341/) ## 概述 不管是 mysql 還是 mariadb ,最好都先下載 mysql 的文件,如"mysql-5.7.29-winx64.zip" ## 教程 1. 解壓 `mysql-5.7.29-winx64.zip`到 如"D:\mysql" 2. 進入`D:\Qt\Qt5.13.2\5.13.2\Src\qtbase\src\plugins\sqldrivers\mysql`打開 mysql.pro 3. 在 mysql.pro 最后添加,并注釋 `#QMAKE_USE += mysql` ``` #QMAKE_USE += mysql ... INCLUDEPATH += D:/mysql/include LIBS +=-LD:/mysql/lib/ -llibmysql DESTDIR= ../mysql/lib/ ``` 4. 修改 `qsqldriverbase.pri`,注釋并添加 `include(./configure.pri)` ``` #include($$shadowed($$PWD)/qtsqldrivers-config.pri) include(./configure.pri) ``` 5. 點擊構建,在 mysql/lib 下生成 4個文件,*.dll的文件放入`D:\Qt\Qt5.13.2\5.13.2\mingw73_64\plugins\sqldrivers` 或`D:\Qt\Qt5.13.2\5.13.2\msvc2017_64\plugins\sqldrivers` 6. 把解壓的`libmysql.dll` 放到`D:\Qt\Qt5.13.2\5.13.2\mingw73_64\bin`或`D:\Qt\Qt5.13.2\5.13.2\msvc2017_64\bin` ## 測試 ``` #include "mainwindow.h" #include <QApplication> #include <QDebug> #include <QSqlDatabase> #include <QSqlQuery> #include <QSqlError> int main(int argc, char *argv[]) { QApplication a(argc, argv); qDebug()<<"QSqlDatabase::drivers()"<<QSqlDatabase::drivers(); QSqlDatabase db =QSqlDatabase::addDatabase("QMYSQL3"); db.setHostName("127.0.0.1"); db.setPort(3306); db.setUserName("root"); db.setPassword("root"); db.setDatabaseName("antdbms_aipu"); if(!db.open()){ qDebug()<<"open error "<<db.lastError(); db.close(); return 1; } QSqlQuery query(db); if(!query.exec("select * from hs_user")){ qDebug()<<"執行失敗"<<query.lastError() <<query.lastQuery(); } while(query.next()){ qDebug()<<query.value(0).toString(); } return a.exec(); } ```
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