Switch语法使用

 1 using System;
 2 public class GradeLevel{
 3     public static void Main( ){
 4         Console.Write("Input Grade Level: ");
 5         char grade = (char) Console.Read();
 6         switch( char.ToUpper( grade ) ){
 7             case ‘A‘ : 
 8                 Console.WriteLine(grade+" is 85~100");
 9                 break;
10             case ‘B‘ : 
11                 Console.WriteLine(grade+" is 70~84");
12                 break;
13             case ‘C‘ : 
14                 Console.WriteLine(grade+" is 60~69");
15                 break;
16             case ‘D‘ : 
17                 Console.WriteLine(grade+" is <60");
18                 break;
19             default : 
20                 Console.WriteLine("input error");
21                 break;
22         }
23     }
24 }
25  
26 来自 <http://www.icourse163.org/learn/PKU-1001663016?tid=1002052006>