C# Dictionary根据Key排序
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { Dictionary<int, string> test = new Dictionary<int, string> { }; test.Add(0,"000"); test.Add(4, "444"); test.Add(2, "222"); test.Add(6, "666"); Dictionary<int, string> dic1Asc = test.OrderBy(o => o.Key).ToDictionary(o => o.Key, p => p.Value); Console.WriteLine("小到大排序"); foreach(KeyValuePair<int,string> k in dic1Asc){ Console.WriteLine("key:" +k.Key +" value:" + k.Value); } Console.WriteLine("大到小排序"); Dictionary<int, string> dic1desc = test.OrderByDescending(o => o.Key).ToDictionary(o => o.Key, p => p.Value); foreach (KeyValuePair<int, string> k in dic1desc) { Console.WriteLine("key:" + k.Key + " value:" + k.Value); } while (true) ; } } }