c++异常处理

#include "stdafx.h"
#include <iostream>
//#include <stdexcpt>
#include <exception>
#include <windows.h>
//#include <except.h>
using namespace std;

void throwInt() throw(int)
{

 int a = 10;

 __try{
  
  a = a/0;
 }
 __except(::GetExceptionCode() == EXCEPTION_INT_DIVIDE_BY_ZERO ?  EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH)
 {
  cout<<"dionivided 0 except"<<endl;
  throw a;
 }
 cout<<"can i  out in throeInt"<<endl;//打印不出来
}

void throwExp() throw(){

 
 try{

  cout<<"int a = 2"<<endl;
  int a = 3;
  //a = a/(a-3); 除零不是异常

  cout<<"a = a/(a-3);"<<endl;

  //throw exception("haa");
 }
 catch(exception e){

  cout<<e.what()<<endl;

  throw exception("catch not deal");
 }

 cout<<" throw () exception"<<endl;//打印不出来

 
}
int _tmain(int argc, _TCHAR* argv[])
{
 
 try
 {

  throwExp();
  //throwInt();

 }
 catch(int e)
 {
  cout<<" i caught exception value is"<<e<<endl;
 }
 catch(exception e)
 {
  cout<<e.what()<<endl;
 }
 catch(...)
 {
  cout<<"i can do all thing "<<endl;
 }

 cout<<"can i came out?"<<endl;//可以打印出来

 return 0;
}