【热插拔】.NET实现热插拔功能(动态替换功用)方案实例-动态替换

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.NET实现热插拔功能(动态替换功用)方案实例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using System.IO;
using Contracts;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            SetupPlugEnvironment();

            ExecuteOperator("1.0.0.0");
            ExecuteOperator("2.0.0.0");
        }

        private static void ExecuteOperator(string version)
        {
            var operatorType=Type.GetType("Implements.Operator, Implements, version=" + version + "");
            var operatorInstance=Activator.CreateInstance(operatorType) as IOperator;
            operatorInstance.Operate();
        }

        private static void SetupPlugEnvironment()
        {
            AppDomain.CurrentDomain.AssemblyResolve +=CurrentDomain_AssemblyResolve;
        }

        static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
        {
            AssemblyName name=new AssemblyName(args.Name);

            var file=Path.Combine(
                @"E:\Coding\HappyStudy\LoadContextStudy\Test\bin\Debug\Plugs",
                name.Name,
                name.Version.ToString(),
                name.Name + ".dll");

            Console.WriteLine("加载插件：" + name.Version);

            return Assembly.LoadFile(file);
        }
    }
}

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