unity 三种注入示例

/*
 * 演示Unity 注入
 * */
using Microsoft.Practices.Unity;
using System;

namespace Unity.Property.Inject
{
    class Program
    {
        public static IUnityContainer container;

        static void Main(string[] args)
        {
            container = new UnityContainer();

            //PropertyInject();
            //ConstructorInject();
            MethodInject();

            Console.ReadLine();
        }

        /// <summary>
        /// 构造注入
        /// </summary>
        static void ConstructorInject()
        {
            Console.WriteLine("构造注入");
            container.RegisterType<ILog, ALog>();
            //container.RegisterType<ILog, BLog>();

            container.RegisterType<IPeople, Man>();
            //container.RegisterType<IPeople, Woman>();

            var people = container.Resolve<IPeople>();
            people.Print2();
        }

        /// <summary>
        /// 属性注入
        /// </summary>
        static void PropertyInject()
        {
            Console.WriteLine("属性注入");
            //通过Register不同的ILog的派生类型，达到用不同的日志组件进行打印

            //container.RegisterType<ILog, ALog>();
            container.RegisterType<ILog, BLog>();

            container.RegisterType<IPeople, Man>();
            //container.RegisterType<IPeople, Woman>();

            var people = container.Resolve<IPeople>();
            people.Print();
        }

        static void MethodInject()
        {
            Console.WriteLine("函数注入");
            //通过Register不同的ILog的派生类型，达到用不同的日志组件进行打印

            //container.RegisterType<ILog, ALog>();
            container.RegisterType<ILog, BLog>();

            container.RegisterType<IPeople, Man>();
            //container.RegisterType<IPeople, Woman>();

            var people = container.Resolve<IPeople>();
            people.Logger.Write("函数注入 " + people.Logger != null ? "成功" : "失败");
        }
    }

    public interface IPeople
    {
        /// <summary>
        /// 属性注入用
        /// </summary>
        ILog Logger { get; set; }

        /// <summary>
        /// 构造注入用
        /// </summary>
        ILog Logger2 { get; set; }

        String Name { get; set; }

        String Sex { get; set; }

        /// <summary>
        /// 属性注入用
        /// </summary>
        void Print();

        /// <summary>
        /// 构造注入用
        /// </summary>
        void Print2();

        /// <summary>
        /// 函数注入用
        /// </summary>
        void Print3(ILog logger);
    }

    public class Man : IPeople
    {
        [Dependency]
        public ILog Logger { get; set; }
        public ILog Logger2 { get; set; }

        public string Name { get; set; }

        public string Sex { get; set; }

        public Man(ILog logger2) { this.Logger2 = logger2; }

        public void Print()
        {
            Logger.Write(base.ToString());
        }

        public void Print2()
        {
            Logger.Write(base.ToString());
        }

        [InjectionMethod]
        public void Print3(ILog logger)
        {
            this.Logger = logger;
        }
    }

    public class Woman : IPeople
    {

        [Dependency]
        public ILog Logger { get; set; }
        public ILog Logger2 { get; set; }

        public string Name { get; set; }

        public string Sex { get; set; }

        public Woman(ILog logger2) { this.Logger2 = logger2; }

        public void Print()
        {
            Logger.Write(base.ToString());
        }

        public void Print2()
        {
            Logger.Write(base.ToString());
        }

        [InjectionMethod]
        public void Print3(ILog logger)
        {
            this.Logger = logger;
        }
    }


    public interface ILog
    {
        void Write(String msg);
    }

    public class ALog : ILog
    {
        public void Write(String msg) { Console.WriteLine("[A] {0}", msg); }
    }

    public class BLog : ILog
    {
        public void Write(String msg) { Console.WriteLine("[B] {0}", msg); }
    }
}