C#Dictionary 实例

 Dictionary<int, string> dc = new Dictionary<int, string>();
            dc.Add(1, "看了");
            dc.Add(2, "没看");
            dc.Add(3, "不知道");

            dc[1] = "哈哈";

            foreach (KeyValuePair<int,string> item in dc)
            {
                 Console.WriteLine("{0}---{1}", item.Key, item.Value);
            }

            //foreach (var item in dc.Keys)
            //{
            //    Console.WriteLine("{0}---{1}", item, dc[item]);
            //}



            Console.ReadKey();