Lambda select 动态字段

直接上代码

//测试数据
public static List<User> myList = new List<User>()
        {
            new User(){ID=1, Name="部门1",Age=0,IsChild=false},
            new User(){ID=2,Name="部门3",Age=1,IsChild=true},
            new User(){ID=3,Name="部门3",Age=1,IsChild=false},
            new User(){ID=4,Name="部门2",Age=2,IsChild=false},
            new User(){ID=5,Name="部门3",Age=3,IsChild=true},
            new User(){ID=6,Name="部门1",Age=4,IsChild=true},
            new User(){ID=7,Name="部门2",Age=4,IsChild=true},
            new User(){ID=8,Name="部门3",Age=0,IsChild=false},
            new User(){ID=9,Name="部门1",Age=0,IsChild=true},
            new User(){ID=10,Name="部门3",Age=0,IsChild=false},
        };


        public static void Main(string[] args)
        {
            var q = Test(x => x.ID > 5, x=>new User() { ID=x.ID,Name=x.Name}).ToList();

            Console.ReadLine();
        }

//where 条件
//result 结果
        public static IEnumerable<User> Test(Func<User, bool> where,Func<User,User> result)
        {
            var q = myList.Where(where);
            return q.Select(result);

        }
        
    }

    //假设数据库全字段类型
    public class User
    {
        public int ID { get; set; }
        public string Name { get; set; }
        public int Age { get; set; }
        public bool? IsChild { get; set; }

        public User Clone()
        {
            return (User)this.MemberwiseClone();
        }

    }

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转载自www.cnblogs.com/hanjun0612/p/11685573.html