intro19.cpp

来自「c compiler with added projects...」· C++ 代码 · 共 31 行

// INTRO19.CPP--Example from Chapter 3, "An Introduction to C++"

#include <conio.h>
#include <ctype.h>
#include <iostream.h>
int main()
{
   char cmd;

   do {
      cout << "Chart desired: Pie  Bar  Scatter  Line  Three-D  Exit";

      cout << "\nPress first letter of the chart you want: ";
      cmd = toupper(getch());
      cout << '\n';

      switch (cmd)
      {
         case 'P': cout << "Doing pie chart\n"; break;
         case 'B': cout << "Doing bar chart\n"; break;
         case 'S': cout << "Doing scatter chart\n"; break;
         case 'L': cout << "Doing line chart\n"; break;
         case 'T': cout << "Doing 3-D chart\n"; break;
         case 'E': break;
         default : cout << "Invalid choice. Try again\n";
      }
   } while (cmd != 'E');

   return 0;
}