摘要：
原来多态不仅仅是方法1、方法多态2、属性多态 1 public class Contact 2 { 3 public virtual string Email { get; set; } 4 } 5 6 public class Customer : Contact 7 { 8 public override string Email 9 {10 get11 {12 return base.Email;13 }14 set 15 {16 base.Email = value;17 }18 }19 }3、索引器多态 1 public class SiteList 2 { 3 4 prote 阅读全文