adifelse.cpp

本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向对象机制为主。学习者在学习过程中可以通过大量的程序实例和相关练习

// adifelse.cpp
// demonstrates IF...ELSE with adventure program
#include <iostream>
using namespace std;
#include <conio.h>              //for getche()

int main()
   {
   char dir='a';
   int x=10, y=10;

   cout << "Type Enter to quit\n";
   while( dir != '\r' )         //until Enter is typed
      {
      cout << "\nYour location is " << x << ", " << y;
      cout << "\nPress direction key (n, s, e, w): ";
      dir = getche();           //get character
      if( dir=='n')             //go north
         y--;
      else
         if( dir=='s' )         //go south
            y++;
         else
            if( dir=='e' )      //go east
               x++;
            else
               if( dir=='w' )   //go west
                  x--;
      }  //end while
   return 0;
   }  //end main