1 #include <QApplication>

     2 #include <Mainwindow.h>

     3 #include<qfile.h>

     4 #include<qtextstream.h>

     5 

     6 void debugOutput(QtMsgType type, const char *msg)

     7 	{

     8 	QFile logFile("c://data//TestAppLog.txt");

     9 	Q_ASSERT(logFile.open( QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append ));

    10 	QTextStream stream(&logFile);

    11 	

    12 	switch (type)

    13 		{

    14 		case QtDebugMsg:

    15 			stream<<msg<<"\n";

    16 			break;

    17 

    18 		case QtWarningMsg:

    19 			stream<<"Warning: ";

    20 			stream<<msg<<"\n";

    21 			break;

    22 			

    23 		case QtCriticalMsg:

    24 			stream<<"Critical: ";

    25 			stream<<msg<<"\n";

    26 			break;

    27 			

    28 		case QtFatalMsg:

    29 			stream<<"Fatal: ";

    30 			stream<<msg<<"\n";

    31 			break;

    32 			

    33 		default:;

    34 		}

    35 	}

    36 

    37 int main(int argc,char *argv[])

    38 {

    39 qInstallMsgHandler(debugOutput);	

    40 QApplication app(argc,argv);

    41 MainWindow *mainWnd = new MainWindow();

    42 mainWnd->showMaximized();

    43 return app.exec();

    44 }