反射 | 易学教程

新建一个控制台应用程序

Bike中的代码

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

namespace 反射
{
    public class Bike : ICar
    {
        public void Light()
        {
            Console.WriteLine("我有1个灯");
        }

        public void Wheel()
        {
            Console.WriteLine("我有2个轮子");
        }
    }
}

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Car中的代码

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

namespace 反射
{
    public class Car : ICar
    {
        public void Light()
        {
            Console.WriteLine("我有8个灯");
        }

        public void Wheel()
        {
            Console.WriteLine("我有4个轮子");
        }
    }
}

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Factory中的代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//引用配置和反射
using System.Configuration;
using System.Reflection;
namespace 反射
{
    public class Factory
    {
        private static string InterfaceName = ConfigurationManager.AppSettings["InterfaceName"];

        public ICar GetCar()
        {
            //第一个是程序集名称，第二个是命名空间.类名
            return (ICar)Assembly.Load("反射").CreateInstance("反射" + "." + InterfaceName);
        }
    }
}

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ICar中的代码

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

namespace 反射
{
    public interface ICar
    {
        void Wheel();
        void Light();

    }
}

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Program中的代码

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

namespace 反射
{
    class Program
    {
        static void Main(string[] args)
        {
            Factory factory = new Factory();
            ICar Result = factory.GetCar();
            Result.Light();
            Result.Wheel();
            Console.ReadLine();
        }
    }
}

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App.config中的配置

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
    </startup>

  <appSettings>
    <add key="InterfaceName" value="Car" />      
  </appSettings>
  
  
</configuration>

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来源：https://www.cnblogs.com/Luck1996/p/12005566.html

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