/// <summary>
    /// 目标角色
    /// </summary>
    public interface Target
    {
        void request();

    }
    /// <summary>
    /// 目标角色实现类
    /// </summary>
    public class ConcreteTarget : Target
    {
        public void request()
        {
            Console.WriteLine("Concrete1");
        }
    }
    /// <summary>
    ///源角色
    /// </summary>
    public class Adaptee
    {
        public void dosomething()
        {
            Console.WriteLine("hi");
        }
    }
    /// <summary>
    /// 适配器角色
    /// </summary>
    public class Adapter : Adaptee, Target
    {
        public void request()
        {
            base.dosomething();
        }
    }

 static void Main(string[] args)
        {
            Target target = new ConcreteTarget();
            target.request();
            target = new Adapter();
            target.request();
        }