/// <summary>
        /// 写入json文件
        /// </summary>
        /// <param name="obj"></param>
        /// <param name="savePath"></param>
        public static void ConvertToJson(object obj, string savePath)
        {
            string str = JsonConvert.SerializeObject(obj);

            //json格式化
            JsonSerializer jsonSerializer = new JsonSerializer();
            TextReader textReader = new StringReader(str);
            JsonTextReader jsonTextReader = new JsonTextReader(textReader);
            object _object = jsonSerializer.Deserialize(jsonTextReader);
            if (_object != null)
            {
                StringWriter stringWriter = new StringWriter();
                JsonTextWriter jsonWriter = new JsonTextWriter(stringWriter)
                {
                    Formatting = Formatting.Indented,
                    Indentation = 4,
                    IndentChar = ' '
                };
                jsonSerializer.Serialize(jsonWriter, _object);
                File.WriteAllText(savePath, stringWriter.ToString());
            }
        }

自定义的类不断迭代，然后通过json树模型写入json文件，这样得到的数据不仅轻量而且易读，是数据传输的优秀方式。json和xml比较 笔者更喜欢xml