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上传MYSQL数据库

1.创建表

两个字段bookname,bookid。使用查找bookid以找到bookid

结果:72009635800

72009637175

2.QT连接MYSQL

 QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
        db.setHostName("8.147.233.239");
        db.setPort(3306);
        db.setDatabaseName("cst"); //不是Database,记得别填错
        db.setUserName("root");
        db.setPassword("team2111");
        bool ok = db.open();
        if (ok)
        {
            QMessageBox::information(this, "infor", "link success");
        }
        else
        {
            QMessageBox::information(this, "infor", "link failed");
        }

使用ODBC连接mysql

72009663180

结果:72009676779