Qt#includeQT+=sqlQSqlDatabase□□□□□□□□□□□□QSqlQuery□□□□□SQL 叮QSqlRecordU□□□□□□□□□□□□QSqlDatabaseUQSqlDatabasedb=QSqlDatabase::addDatabase("QSQLITE");□□QSQLITE□□□□QMYSQL□□□□□□□db
setHostName("localhost");//□□□□□□□□db
setDatabaseName("test");//□□□□□□db
setUserName("root");//□□□□□□□□□□db
setPassword("123456");//□□□□□□□□□db
open()□□□□□□□db
close();//口叮叮QStringListdrivers=QSqlDatabase::drivers();//叮叮叮□叮□□□□□□□□□□□
□□□□□□□□□□□□□□□□□drivers
removeAll("QMYSQL3");//□□□□□□□foreach(QStringdriver,drivers)//□□□□□□□□□□□□□□□□□qDebug()
