C# 類內部添加索引器

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    public class PersonTable : Indexer    {        public int xuhao { get; set; }        public string name { get; set; }        public string tel { get; set; }        string Indexer.this[int index]        {            get            {                if (index == 0) return xuhao.ToString();                else if (index == 1) return name;                else if (index == 2) return tel;                else return null;            }            set            {                if (index == 0) xuhao = Convert.ToInt32(value);                else if (index == 1) name = value;                else if (index == 2) tel = value;            }        }        int Indexer.this[string propname]        {            get            {                if (propname == "xuhao") return 0;                else if (propname == "name") return 1;                else if (propname == "tel") return 2;                else return -1;            }        }    }    public interface Indexer    {        //定義索引器        string this[int index] { get; set; }        //擷取索引，傳入值必須為tolower        int this[string propname] { get; }    }

 

C# 類內部添加索引器