void database::connect(){
QSqlDatabase dbtest = QSqlDatabase::addDatabase("QODBC");
dbtest.setDatabaseName("DRIVER={Microsoft Access Driver (*.mdb，* .accdb)};FIL={MS Access};DBQ=d:/dbtest.mdb");
bool ok = dbtest.open();
if(ok){
qDebug() << "Access Connect OK!";
qDebug() << dbtest.lastError().text();
}else{
qDebug() << "Access Connect Fail!";
qDebug() << dbtest.lastError().text();
}
}