c# 接口使用实例

//定义一个接口IMyinterface
    interface IMyinterface {

      void commodityInformation();//定义一个快递信息显示方法
      string Id { get; set; }//定义一个快递单号属性
      string Name { get; set; }///定义一个快递所属快递公司名称属性
    }

//入库类
    public class Inbound : IMyinterface
    {

      string id = "";
      string name = "";

      public string Id {

        get { return id; }
        set { id = value; }
      }
      public string Name {

        get { return name; }
        set { name = value; }
      }
      void IMyinterface.CommodityInformation()
      {

        Console.WriteLine("入库信息：\n" + "物件单号：" + Id + " " + "所属快递公司：" + Name);
      }
    }

//出库类
    public class Outbound : IMyinterface {

      string id = "";
      string name = "";

      public string Id {

        get { return id; }
        set { id = value; }
      }

      public string Name {

        get { return name; }
        set { name = value; }
      }

      void IMyinterface.CommodityInformation() {

        Console.WriteLine("出库信息：\n" + "物件单号：" + Id + " " + "所属快递公司：" + Name);
      }
    }

static void Main(string[] args)
    {
      IMyinterface[] face = { new Inbound(), new Outbound() };
      face[0].Id = "X78945612355";
      face[0].Name = "申通";
      face[0].CommodityInformation();

      face[1].Id = "X78912345674";
      face[1].Name = "顺丰";
      face[1].CommodityInformation();
      Console.ReadKey();
    }