using System; using System.Collections.Generic; using LitJson; namespace MySystem { public static class JsonDataExtension { #region 获取是否存在Key, isFlag判断是抛出异常还是返回"" public static object getItem(this JsonData input, string key) { string jsonString = input.ToJson(); if (jsonString.Contains("\"" + key + "\"")) { return input[key]; } return ""; } #endregion } }