Singleton设计模式(单实例)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

//Singleton设计模式(单实例)
namespace ConsoleApplication6
{
    class Program
    {
        static void Main(string[] args)
        {
            //案例:
            Singleton s = Singleton.getSingleton();
            s.name = "asd";
            Singleton s1 = Singleton.getSingleton();
            s1.ShowMsg();
            Console.ReadKey();
        }
    }
    class Singleton
    {
        //静态类(自己)
        private static Singleton singleton = null;
        //私有构造函数
        private Singleton() { }
        public static Singleton getSingleton()
        {
            if (singleton == null)
                singleton = new Singleton();//实例化
            return singleton;
        }

        public string name { get; set; }
        public void ShowMsg()
        {
            Console.WriteLine(name);
        }
    }
}

文章标题:Singleton设计模式(单实例)
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