C# 泛型接口约束

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using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace interfaceConstraint{    interface IPhoneNumber    {        String Name        {            get;            set;        }        string Number        {            get;            set;        }    }    class Friend : IPhoneNumber    {        string name;        string number;        public string Name        {            get { return name; }            set { name = value; }        }        public string Number        {            get { return name; }            set { name = value; }        }        public Friend(string name, string number)        {            this.name = name;            this.number = number;        }    }    class Supplier : IPhoneNumber    {         string name;        string number;        public string Name        {            get { return name; }            set { name = value; }        }        public string Number        {            get { return name; }            set { name = value; }        }        public Supplier(string name, string number)        {            this.name = name;            this.number = number;        }    }    class others    { }    class PhoneList<T> where T : IPhoneNumber    {        T[] phList;        int end;        public PhoneList()        {             phList=new T[10];            end = 0;        }        public bool Add(T newNumber)        {            if (end == 10)                return false;            phList[end] = newNumber;            end++;            return true;        }        public void findByName(string name)        {            for (int i = 0; i < end; i++)                if (phList[i].Name == name)                {                    Console.WriteLine("姓名是{0}的电话号码是{1}",name,phList[i].Number);                    return;                }            Console.WriteLine("没有找到");        }    }    class Program    {        static void Main(string[] args)        {            PhoneList<Friend> phList1 = new PhoneList<Friend>();            phList1.Add(new Friend("zhangsan", "123"));             phList1.Add(new Friend("lisi", "234"));            phList1.findByName("lisi");            Console.WriteLine("============");            PhoneList<Supplier> phList2 = new PhoneList<Supplier>();            phList1.Add(new Friend("zhangsan1", "123"));            phList1.Add(new Friend("lisi1", "234"));            phList1.findByName("lisi11");            Console.ReadLine();        }    }}
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C# 泛型 接口约束

C# 泛型接口约束
