using Newtonsoft.Json;//引用命名空间

Dictionary
     
       Content = new Dictionary
      
       ();Content.Add("bulletinContent", "this is bulletinContent"); Content.Add("topToDay", "this is topToDay");//Dictionary转json string Contentjson = JsonConvert.SerializeObject(Content);//json转DictionaryDictionary
       
         DicContent = (Dictionary
        
         )JsonConvert.DeserializeObject(Contentjson.ToString());