C# Sort排序

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#region實現IComparable的排序class UserInfo:IComparable<UserInfo>    {        public int ID { get; set; }        public int Age { get; set; }        public string Name { get; set; }        public int CompareTo(UserInfo other)        {            if (this.Age > other.Age) return 1;            return -1;        }    }//調用 List<UserInfo> lst = new List<UserInfo>(){                new UserInfo(){ID=1,Age=19,Name="張三"},                new UserInfo(){ID=2,Age=17,Name="李四"},                new UserInfo(){ID=3,Age=20,Name="王五"}            };            lst.Sort();            for (int i = 0; i < lst.Count; i++)            {                Console.Write(lst[i].Name+":"+ lst[i].Age+"<");            }#endregion           #region 實現IComparer的Sort排序class UserInfo_SortByID:IComparer<UserInfo>    {        public int Compare(UserInfo x, UserInfo y)        {            if (x.ID < y.ID) return 1;            return -1;        }    }            List<UserInfo> lst = new List<UserInfo>(){                new UserInfo(){ID=1,Age=19,Name="張三"},                new UserInfo(){ID=2,Age=17,Name="李四"},                new UserInfo(){ID=3,Age=20,Name="王五"}            };            lst.Sort(new UserInfo_SortByID());            for (int i = 0; i < lst.Count; i++)            {                Console.Write(lst[i].Name+":"+ lst[i].Age+"<");            }#endregion 

 

C# Sort排序