Introduction - If you have any usage issues, please Google them yourself
#ifndef CONNECTION_H
#define CONNECTION_H
#include <QtSql>
#include <QDebug>
#include <QtXml>
static bool createConnection()
{
QSqlDatabase db QSqlDatabase::addDatabase( QSQLITE )
db.setHostName( yafeilinux )
db.setDatabaseName( data.db )
db.setUserName( yafei )
db.setPassword( 123456 )
if (!db.open()) {
//提示出错
return false
}