Linq 实现两个对象实例List之间的赋值-白红宇

Linq 实现两个对象实例List之间的赋值

阅读量：7061 次

发布时间：2019-06-28

本文共 1358 字，大约阅读时间需要 4 分钟。

1 public class UserCopy 2 { 3     public class LoginEntity 4     { 5         public string UserName { get; set; } 6         public string UserPwd { get; set; } 7         public DateTime ActiveTime { get; set; } 8     } 9 10     public class UserEntity : LoginEntity11     {12         public string UserID { get; set; }13         public Int16 UserSex { get; set; }14         public Int32 UserAge { get; set; }15     }16 17     protected void UserCopy()18     {19         List
     
       userList = new List
      
       () { 20             new UserEntity(){21             UserID="U1",22             UserName="U1",23             UserPwd="U1PWD",24             ActiveTime=DateTime.Now25             },26             new UserEntity(){27             UserID="U2",28             UserName="U2",29             UserPwd="U2PWD",30             ActiveTime=DateTime.Now},31             new UserEntity(){32             UserID="U2",33             UserName="U2",34             UserPwd="U2PWD",35             ActiveTime=DateTime.Now}36             };37 38         List
       
         loginList = new List
        
         ();39         //关键代码：遍历赋值40         userList.ForEach(user => loginList.Add(new LoginEntity()41         {42             UserName = user.UserName,43             UserPwd = user.UserPwd,44             ActiveTime = user.ActiveTime45         }));46     }47 }