public class SingleModel<T> where T : class,new()
    {
        private static T _instance;
        private static readonly Object _lock = new Object();
        public static T Instance
        {
            get
            {
                if (_instance == null)
                {
                    lock (_lock)
                    {
                        if (_instance == null)
                        {
                            _instance = new T();
                        }
                    }
                }
                return _instance;
            }
        }

        //string Name1 = SingleTon.SingleModel<Test>.Instance.Name;

        //string Name2 = SingleTon.SingleModel<Test1>.Instance.Name;

        //string Name3 = SingleTon.SingleModel<Test2>.Instance.Name;

    }

不想写了，就贴一段代码吧