main.cpp

this a good book.

#include <iostream.h>
#include<fstream>

using namespace std;


void WriteFile(char *x)
{
	ofstream out1;
	 // * * 1 * *
	out1.open("out3.txt", );
	out1 << x << endl;
    out1.close();
}

void ClearFile()
{
	ofstream out1;
	out1.open("out3.txt");
    out1.close();
}

class Sam
{
public:
	Sam()
	{
		cout << "Constr" << endl;
		WriteFile("Constr");
	}
// * * 2 * *
	Sam::~Sam()
	{
		cout << "Destr" << endl;
		WriteFile("Destr");
	}
};

void main()
{
    ClearFile();
	try
	{
	// * * 3 * *
		 
 // * * 4 * *
		 
	}
	catch(int)
	{
		cout << "出现异常情况" << endl;
		WriteFile("出现异常情况");
	}
}