C#2.0中用范型实现单例模式（转）
#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
#endregion
#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
#endregion
namespace GenericsSingleton
{
///
/// 单例范型
///
///
public class Singleton
{
private static T _instance;
public Singleton()
{
}
public static T Instance
{
get
{
if (_instance == null)
{
//获得实例，使用这个方法的前提是T要有公有的、无参数的构造函数
_instance = (T)System.Activator.CreateInstance(typeof(T));
}
return _instance;
}
}
}
///
/// 要实现单例的类
///
public class Foo
{
private int count = 0;
public int Count
{
get
{
count++;
return count;
}
}
}
///
/// 主函数
///
class Program
{
static void Main(string[] args)
{
//连续调用三次如果值是递增的话说明三次调用都是同一个实例
Console.WriteLine(Singleton
Console.WriteLine(Singleton
Console.WriteLine(Singleton
Console.ReadLine();
}
}
}
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/10294527/viewspace-122577/ ，如需转载，请注明出处，否则将追究法律责任。
