using Newtonsoft.Json;//引用命名空间
Dictionary<string, string> Content = new Dictionary<string, string>(); Content.Add("bulletinContent", "this is bulletinContent"); Content.Add("topToDay", "this is topToDay"); //Dictionary转json string Contentjson = JsonConvert.SerializeObject(Content); //json转Dictionary Dictionary<string, string> DicContent = (Dictionary<string, string>)JsonConvert.DeserializeObject(Contentjson.ToString());