语句（switch case）

/* C#:语句     判断，循环，形成循环的分支和循环

选择控制：if    else,     switch    case

选择控制：while,do,for.foreach

跳转语句：break,continue

异常处理：try,catch,finally

*/            /* int casezhi = 1;

switch (casezhi)    //小括号内是一个数据类型的值

{                 //case 后面加空格，之后写上跟小括号内对应类型的 可能出现的值

case 1:

Console.Write("");

   break;         //跳转语句。  跳出 包含break 最近的{}！      

case 2:

Console .Write ("");

break;

default :

Console.Write("");

break;

}

Console.ReadLine();*/

/* //练习，判断2014年a月第b天是这一年的第几天

Console.WriteLine("输入月：");

int a = int.Parse(Console.ReadLine());

Console.WriteLine("输入日：");

int b = int.Parse(Console.ReadLine());

int c=1;

switch (a)

{                 case 1:

c=b; //前面已经创建了int c，所以这里不能再创建int c=b,可以直接赋值即c=b.       

break;

case 2:

c = 31 + b;

break;

case 3:

c = 31 +28+ b;

break;

case 4:

c = 31 + 28 +30+ b;

break;

case 5:

c = 31 + 28 +31+30+ b;

break;

case 6:                     c = 31 + 28 +31+30+31+ b;                     break;

case 7:                     c = 31 + 28 + 31 + 30 + 31 + 30 + b;                     break;                 case 8:                     c = 31 + 28 + 31 + 30 + 31 + 30 +31+ b;                     break;                 case 9:                     c = 31 + 28 + 31 + 30 + 31 + 30 + 31 +31 +b;                     break;                 case 10:                     c= 31 + 28 + 31 + 30 + 31 + 30 + 31 +31+30+ b;                     break;                 case 11:                     c = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 +31+ b;                     break;

default:

c = 31 +28+31+30+31+30+31+31+30+31+30+ b;

break;

}             //Console.Write("这是第" + c + "天");              //注意引用格式！

            Console.WriteLine("这是第" + c.ToString()  + "天");//.ToString()表示把引用的c转义为字符串型!  

Console.ReadLine ();              */