反射接口.txt

来自「学习c#语言的一本好书可以帮助初学者」· 文本 代码 · 共 50 行

using System;
using System.Reflection;
namespace TestSystem
{
	public interface IBookRetailer:IDisposable
	{
		void Purchase();
		void ApplyDiscount();
	}
	public interface IMusicRetailer
	{
		void Purchase();
	}
	class MyRetailer:IBookRetailer,IMusicRetailer
	{
		public void Purchase(){}
		public void Dispose(){}
		void IBookRetailer.Purchase(){}
		public void ApplyDiscount(){}
		void IMusicRetailer.Purchase(){} 
	}
	class App
	{
		[STAThread]
		static void Main(string[] args)
		{
			//得到接口的集合
			Type t=typeof(MyRetailer);
			Type[] interfaces=t.FindInterfaces(new TypeFilter(App.TypeFilter),Assembly.GetCallingAssembly().GetName());
			Console.WriteLine("MyRetailer implements the following interfaces(defined in this assembly):");
			foreach(Type i in interfaces)
			{
				Console.WriteLine("\nInterface:"+i);//接口名称
				InterfaceMapping map=t.GetInterfaceMap(i);//接口方法集合
				for(Int32 m=0;m<map.InterfaceMethods.Length;m++)
				{
					//InterfaceMethods 接口方法(子类) TargetMethods 实现对应的接口方法(父接口)
					Console.WriteLine(" {0} is imlemented by {1}",map.InterfaceMethods[m],map.TargetMethods[m]);
				}
			}
			
		}
		//筛选器
		static Boolean TypeFilter(Type t,Object filterCriteria)
		{
			return t.Assembly.GetName().ToString()==filterCriteria.ToString();
		}
	}
}