How to connect to a MySQL database through ODBC from Qt application?

问题

I have a freshly-installed MySQL server, which listens on localhost:3306. What is the correct way to connect to it from my Qt application?

回答1:

It turned out that I need to add MySQL to the ODBC data sources. I did that after following this video tutorial - https://youtu.be/K3GZidOwGmM.

After I had added the DSN, I successfully connected to the MySQL server using this code:

QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
db.setDatabaseName("Driver={MySQL ODBC 5.3 Unicode Driver};DATABASE=test;");
db.setUserName("root");
db.setPassword("password");
if (!db.open()) {
    qDebug() << db.lastError().text();
} else {
    qDebug("success");
}

Note: You will need to replace MySQL ODBC 5.3 Unicode Driver with the actual value listed in your DSN window. I got mine from here:

来源：https://stackoverflow.com/questions/25165525/how-to-connect-to-a-mysql-database-through-odbc-from-qt-application