connect.h

一个简单的pos机程序

#ifndef __CONNECT_H__
#define __CONNECT_H__

#include <qsqldatabase.h>
#include <qdatatable.h>

bool createConnections();

bool createConnections()
{
    // create the default database connection
    QSqlDatabase *defaultDB = QSqlDatabase::addDatabase( "QODBC3" );
    if ( ! defaultDB ) {
        qWarning( "Failed to connect to driver" );
        return FALSE;
    }
    defaultDB->setDatabaseName( "myodbc" );
    defaultDB->setUserName( "" );
    defaultDB->setPassword( "" );
    defaultDB->setHostName( "" );
    if ( ! defaultDB->open() ) {
        qWarning( "Failed to open books database: " +
                  defaultDB->lastError().driverText() );
        qWarning( defaultDB->lastError().databaseText() );
        return FALSE;
    }

    return TRUE;
}

#endif