asp.net—单例模式

 1 class SingleCase
 2 {
 3     public string Name{get;set;}
 4     public static SingleCase mySingle = null;
 5     public static object Flag = new object();
 6     
 7     public static SingleCase getInstance(string name)
 8     {
 9         //判断是否实例化过
10         if(mySingle == null)
11         {
12             //进入lock
13             lock(Flag)
14             {
15                 //判断是否实例化过
16                 if(mySingle == null)
17                 {
18                     mySingle = new SingleCase();
19                     mySingle.Name = name
20                 }                    
21             }
22         }
23         return mySingle;
24     }
25 }