exceptobject.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 34 行

#include <iostream>
#include <string>
using namespace std;

class Exception
{
    string error_message;
public:
    string get_error(){return error_message;}
    Exception(string s){error_message = s;}
};

int main ()
{
   float op1, op2;

   cout << "Enter the two floating point numbers to divide: ";
   cin >> op1 >> op2;

   try
   {
      if(op2 != 0)
          cout << op1 << "/" << op2 << " = " << op1/op2 << endl;
      else
          throw Exception("Error: division by zero.");
   }
   catch (Exception e)
   {
      cout << e.get_error() << endl;
   }

   return 0;
}