2021-7-27 反射的基本练习

using System;
using System.Reflection;
namespace _1_反射
{
    class Program
    {
        static void Main(string[] args)
        {
            Type t = typeof(Ss);
           
            foreach (object item in t.GetCustomAttributes(true))//获取类的特性
            {
                MyClass myClass = item as MyClass;
                if (myClass!=null)
                {
                    Console.WriteLine(myClass.UserName);
                    Console.WriteLine(myClass.UserMember);
                }
            }
            foreach (MethodInfo item in t.GetMethods())//获取方法
            {
                foreach (Attribute i in item.GetCustomAttributes(true))//获取方法的特性
                {
                    MyClass myClass = i as MyClass;
                    if (myClass!=null)
                    {
                        Console.WriteLine(myClass.UserName);
                        Console.WriteLine(myClass.UserMember);
                    }
                }
            }
            Console.ReadKey();
        }
    }
    [AttributeUsage(AttributeTargets.All,AllowMultiple =true,Inherited =true)]
    public class MyClass:System.Attribute
    {
        private string userName;
        private string userMember;
        public string UserName {
            get {
                return userName;
            }
        }
        public string UserMember
        {
            get
            {
                return userMember;
            }
        }
        public MyClass(string userName,string userMember)
        {
            this.userName = userName;
            this.userMember = userMember;
        }
    }
    [MyClass("黎明","管理员")]
    class Ss
    {
        [MyClass("刘德华","歌星")]
        public void aa()
        {

        }
    }
}