car_deal_util/代码/cpp/car_dealer_util/source/main.cpp

#include <QtWidgets/QtWidgets>
#include <QtWidgets/QApplication>
#include "Widgets/MainFrame/QMainFrame.h"

int main( int argc, char * argv[] )
{
	QApplication * pApp       = nullptr;
	QMainFrame *   pMainFrame = nullptr;
	int            returnCode = -1;

	try
	{
		pApp = new QApplication( argc, argv );
	}
	catch ( ... )
	{
		QMessageBox::critical( nullptr,
		                       "错误！",
		                       "创建QApplication错误！\n请联系开发人员。" );

		return -1;
	}

	try
	{
		pMainFrame = new QMainFrame();
	}
	catch ( std::runtime_error & error )
	{
		QMessageBox::critical( nullptr,
		                       "错误！",
		                       error.what() );

		return -1;
	}
	catch ( ... )
	{
		QMessageBox::critical( nullptr,
		                       "错误！",
		                       "创建窗口过程错误！\n请联系开发人员。" );

		return -1;
	}

	try
	{
		pMainFrame->showMaximized();

		returnCode = pApp->exec();
	}
	catch ( std::runtime_error & error )
	{
		QMessageBox::critical( nullptr,
		                       "错误！",
		                       error.what() );

		return -1;
	}
	catch ( ... )
	{
		QMessageBox::critical( nullptr,
		                       "错误！",
		                       "创建窗口过程错误！\n请联系开发人员。" );

		return -1;
	}

	return returnCode;
}