public sealed class singleton { private static volatile singleton uniqueinstance; private static readonly object locker = new object(); private singleton() { var cache = httpcontext.current.cache; } public static singleton getinstance() { if (uniqueinstance == null) { lock (locker) { if (uniqueinstance == null) { uniqueinstance = new singleton(); } } } return uniqueinstance; } public int number() { return 1; } public int number(int i = 0) { return i; } }
如对本文有疑问, 点击进行留言回复!!
网友评论