www.gusucode.com > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序 > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序/code/C++例题程序/第6章/s6_19/smain6_191.cpp

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//文件名：smain6_19.cpp
//异常基本结构。

#include <iostream> 
using namespace std;

void trigger(int iNum) throw(int, char, double)
{
	switch(iNum)
	{
	case 0:	throw 0;
	case 1:	throw 'E';
	case 2:	throw 3.14;
	default:throw "I'm a exception!";
	}
}

void CallTrigger(int iNum)
{
	try
	{
		trigger(iNum);
	}
	catch(int i)
	{
		cout << "Catch “integer = " << i << " exception” in CallTrigger()!" << endl;
	}
	catch(char ch)
	{
		cout << "Catch “charactor = " << ch << " exception” in CallTrigger()!" << endl;
	}
	catch(double d)
	{
		cout << "Catch “double float = " << d << " exception” in CallTrigger()!" << endl;
	}
	return;
}

int main()
{
	try
	{
		for (int i=0; i<4; i++)
		{
			CallTrigger(i);
		}
	}
	catch(char *msg)
	{
		cout << "Catch “msg =" << msg << " exception” in main()!" << endl;
	}

	return 0;
}