c3-02.cs

一本很好的教材.C#开发者必备.内容全面,很难得哦.

//switch语句示例
using System;
class SwitchTest 
{
   public static void Main()  
   {
      Console.WriteLine("咖啡的大小: 1=小 2=中 3=大"); 
      Console.Write("请输入您的选择: "); 
      string s = Console.ReadLine(); 
      int n = int.Parse(s);
      int cost = 0;
      switch(n)       
      {         
         case 0:         
         case 1:   
            cost += 25;
            break;                  
         case 2:            
           cost += 25;
            goto case 1;           
         case 3:            
            cost += 50;
            goto case 1;         
         default:            
            Console.WriteLine("选择不正确。请选择 1,2或者3。");            
            break;      
       }
       if (cost != 0)
          Console.WriteLine("请投入 {0} 分。", cost);
       Console.WriteLine("感谢您的购买！");
   }
}