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接口，与实现都在不同dll中，UnitySample项目只引用接口interfaces.dll
using Interfaces;
using Microsoft.Practices.Unity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Practices.Unity.Configuration;
namespace UnitySample
{
class Program
{
static void Main(string[] args)
{
IUnityContainer container = new UnityContainer();
container.LoadConfiguration("loggerContainer");
ILogger logger = container.Resolve<ILogger>();
logger.write("");
Console.Read();
}
}
}
接口：
namespace Interfaces { public interface ILogger { void write(string log); } }
App.config：
<?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration"/> </configSections> <unity xmlns="http://schemas.microsoft.com/practices/2010/unity"> <container name="loggerContainer"> <types> <type type="Interfaces.ILogger,Interfaces" mapTo="OneLoggerDll.OneLogger,OneLoggerDll" /> </types> </container> </unity> </configuration>
第一个接口实现：oneLogger.dll
using System.Threading.Tasks; using Interfaces; namespace OneLoggerDll { public class OneLogger:ILogger { public void write(string log) { Console.Write("onelogger!"); } } }
第二个接口实现：twoLogger.dll
using System.Text; using System.Threading.Tasks; namespace TwoLogger { public class TwoLogger:ILogger { public void write(string log) { Console.Write("two logger!"); } } }
注意点：LoadConfiguration是IUnityContainer的扩展函数，要引用这个dll,在Microsoft.Practices.Unity.Configuration.dll中的Microsoft.Practices.Unity.Configuration namespace下定义的UnityContainerExtensions。
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原文地址：http://www.cnblogs.com/liangouyang/p/4702529.html
