ex6_04.cpp

来自「Beginning Visual C++ 6源码。Wrox。」· C++ 代码 · 共 36 行

// EX6_04.CPP  Using exception handling
#include <iostream>
using namespace std;

int main(void)
{
   int Height = 0;
   double InchesToMeters = 0.0254;
   char ch = 'y';

   while(ch == 'y'||ch =='Y')
   {
      cout << "Enter a height in inches: ";
      cin >> Height;        // Read the height to be converted

      try                   // Defines try block in which
      {                     // exceptions may be thrown
         if(Height > 100)
            throw "Height exceeds maximum";   // Exception thrown
         if(Height < 9)
            throw "Height below minimum";     // Exception thrown

            cout << (double)Height*InchesToMeters << " meters" << endl;

            cout << "Do you want to continue (y or n)?";
            cin >> ch;
      }

      catch(char* aMessage)        // start of catch block which
      {                            // catches exceptions of type char*
         cout << aMessage << endl;
      }
   }
   return 0;
}