except.cpp

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// except.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "except.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// The one and only application object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	// initialize MFC and print and error on failure
	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
	{
		// TODO: change error code to suit your needs
		cerr << _T("Fatal Error: MFC initialization failed") << endl;
		nRetCode = 1;
	}
	else
	{
		// TODO: code your application's behavior here.
		CString strHello;
		strHello.LoadString(IDS_HELLO);
		cout << (LPCTSTR)strHello << endl;
	}

	CFile file;
	try
	{	
		CFileException e;
		file.Open("c:\\a.txt",CFile::modeRead,&e);
		char a[50];
		cout << "打开文件c:\\a.txt成功" << endl;
		cout << "文件内容" << endl;
		while(file.Read(a,48))
		{
			cout << a;
		}
		cout << endl;
	}
	catch (CFileException* e)
	{
		if (e->m_cause == CFileException::fileNotFound)
		{
			cout << "无法打开c:\\a.txt文件" ;
			file.Close();
		}
	}
	catch (...)
	{
		cout << "文件c:\\a.txt打开过程中出现异常" ;
		file.Close();
	}
	return nRetCode;
}