【C#基础】 读取json某个键值

　　　　　/// <summary>
        /// 用JSObject的方法获取json指定第一层某个键的值
        /// </summary>
        /// <param name="jsontext">json内容</param>
        /// <param name="key">键名</param>
        /// <param name="value">键值</param>
        /// <returns>是否获取成功</returns>
        public static bool GetJsonValue(string jsontext, string key, out string value)
        {
            bool IsGetSuccess = false;
            value = "";
            try
            {
                if (key.Contains("|"))
                {
                    string[] keys = key.Split('|');
                    JSObject jsonObject = (JSObject)EvalJsonObject(jsontext);
                    for (int i = 0; i < keys.Length; i++)
                    {
                        if (i == keys.Length - 1)
                        {
                            value = jsonObject[keys[i]].ToString();
                        }
                        else
                        {
                            jsonObject = (JSObject)jsonObject[keys[i]];
                        }
                    }
                    if (string.IsNullOrEmpty(value))
                    {
                        IsGetSuccess = false;
                    }
                    else
                    {
                        IsGetSuccess = true;
                    }
                }
                else
                {
                    JSObject jsonObject = (JSObject)EvalJsonObject(jsontext);
                    value = jsonObject[key].ToString();
                    if (string.IsNullOrEmpty(value))
                    {
                        IsGetSuccess = false;
                    }
                    else
                    {
                        IsGetSuccess = true;
                    }
                }
                
            }
            catch (Exception ex)
            {
                IsGetSuccess = false;
            }
            return IsGetSuccess;
        }