C#返回Json字符串

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C#返回Json字符串

        /// <summary>/// 返回成json格式/// </summary>/// <param name="obj">要返回的json字符串</param>/// <returns></returns>public static HttpResponseMessage toJson(Object obj){String str;if (obj is String || obj is Char){str = obj.ToString();}else{JavaScriptSerializer serializer = new JavaScriptSerializer();str = serializer.Serialize(obj);}HttpResponseMessage result = new HttpResponseMessage { Content = new  StringContent(str, Encoding.GetEncoding("UTF-8"), "application/json") };return result;}