C#的排序方法 OrderBy

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Runtime.ExceptionServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

// 命名空间
namespace pro01
{
    // 类
    internal class Program
    {
        // main 方法
         static void Main(string[] args)
        {
            // LINQ 常用的扩展方法 IEnumerable<T> 扩展方法
            // 数组 List 集合，Dictionary 字典，都是实现 IEnumerable 接口的扩展方法
            // 初始化数据
            List<Employee> list = new List<Employee>();  // 新建类型为 Employee 的集合数据
            list.Add(new Employee {Id = 1,Name = "AAA",Age = 10,Gender = true ,Salary = 1000 });
            list.Add(new Employee {Id = 2,Name = "BBB",Age = 11,Gender = false ,Salary = 2000 });
            list.Add(new Employee { Id = 3,Name = "CCC",Age = 121,Gender = true ,Salary = 7000 });
            list.Add(new Employee { Id = 3,Name = "CCC",Age = 1,Gender = true ,Salary = 3000 });
            Console.WriteLine("list 数据");
            foreach (Employee i in list)
            {
                Console.WriteLine(i);
            }
            // TODO 排序
            // Order 正序 
            IEnumerable<Employee> e1 = list.OrderBy(row => row.Age);
            Console.WriteLine("正序排序按照 从小到大 Age ");
            foreach (Employee i in e1)
            {
                Console.WriteLine(i);
            }

            // OrderDescending 倒叙排序 【由大到小】


            Console.ReadLine();
        }
    }
}