C# list 排序
using System.Collections.Generic; using System.Linq; namespace DailyCoding.Code { public class _20210603_1 { public void Run() { /* * Sort 方法对本集合根据指定的比较器进行排序 */ List<_20210603_1_Model> sortList = new List<_20210603_1_Model>(); sortList.Add(new _20210603_1_Model { Age = 22, Money = 33.13, Name = "N2" }); sortList.Add(new _20210603_1_Model { Age = 33, Money = 33.19, Name = "N3" }); sortList.Add(new _20210603_1_Model { Age = 11, Money = 33.12, Name = "N1" }); sortList.Sort((x, y) => { // 根据 Money 降序排序 if (x.Money > y.Money) return -1; // 升序返回 1;降序返回 -1 ; else if (x.Money == y.Money) return 0; else return 1; // 升序返回 1;降序返回 -1 ; }); /* * OrderBy/OrderByDescending 方法对原集合无影响,返回新的有序集合 */ var newList = sortList.OrderBy(t => t.Age); // 根据Age升序排序 newList = sortList.OrderByDescending(t => t.Money); // 根据Money降序排序 } } public class _20210603_1_Model { public int Age { get; set; } public double Money { get; set; } public string Name { get; set; } } }