我有一个person
列表包含person
有一个weight
和age
属性。如何在Linq提取方法中使用order by和group by?
Person.cs
:
public class Person
{
public int Weight { get; set; }
public int Age { get; set; }
}
Program.cs
:应列出
List<Person> personList = new List<Person>();
personList.Add(new Person { Age = 15, Weight = 68 });
personList.Add(new Person { Age = 19, Weight = 75 });
personList.Add(new Person { Age = 17, Weight = 68 });
personList.Add(new Person { Age = 15, Weight = 55 });
personList.Add(new Person { Age = 15, Weight = 53 });
personList.Add(new Person { Age = 17, Weight = 88 });
personList.Add(new Person { Age = 19, Weight = 45 });
personList.Add(new Person { Age = 20, Weight = 88 });
//Grouped person list
List<People> GroupedPersonList = new List<People>();
GroupedPersonList = personList.OrderBy(x => x.Weight).????
元素:由age
分组,每个组应与最高的权重进行选择(我要订购该列表由age
,但该列表仅包含该年龄段的最重人,然后我将通过此创建一个新列表。) 新的新列表应如下所示:
(GroupedPersonList Contents)=>
Age | Weight
-------|-------
15 | 68
17 | 88
19 | 75
20 | 88
我如何能做到这一点的LINQ提取方法?
谢谢你,有一个愉快的一天 –