#include?“mainwindow.h“
#include?
#include?“xyqmlsingleobject.h“
#include?“xydatabase.h“

int?main（int?argc?char?*argv[]）
{
????QMLSINGLEobject
????QApplication?a（argc?argv）;

//????CDatabase?*mybase?=?new?CDatabase（“QSQLITE“）;
//????mybase->openDatabaseFile（“test.db“）;
//????if?（mybase->connectDatabase（））
//????{
//????????QSqlQuery?query;
//????????if?（mybase->query（“CREATE?TABLE?COMPANY（?\
//??????????????????????????ID?INT?PRIMARY?KEY?????NOT?NULL?\
//??????????????????????????NAME???????????TEXT????NOT?NULL?\
//??????????????????????????AGE????????????INT?????NOT?NULL?\
//??????????????????????????ADDRESS????????CHAR（50）?\
//??????????????????????????SALARY?????????REAL?\
//???????????????????????）;“?query））
//????????{
//????????????qDebug（）<