public static GetMenuResult GetMenuFromJson(string jsonString)
        {
            var finalResult = new GetMenuResult();

            try
            {
                //@"{""menu"":{""button"":[{""type"":""click"",""name"":""单击测试"",""key"":""OneClick"",""sub_button"":[]},{""name"":""二级菜单"",""sub_button"":[{""type"":""click"",""name"":""返回文本"",""key"":""SubClickRoot_Text"",""sub_button"":[]},{""type"":""click"",""name"":""返回图文"",""key"":""SubClickRoot_News"",""sub_button"":[]},{""type"":""click"",""name"":""返回音乐"",""key"":""SubClickRoot_Music"",""sub_button"":[]}]}]}}"
                object jsonResult = null;

                JavaScriptSerializer js = new JavaScriptSerializer();
                jsonResult = js.Deserialize<object>(jsonString);

                var fullResult = jsonResult as Dictionary<string, object>;
                if (fullResult != null && fullResult.ContainsKey("menu"))
                {
                    //得到菜单
                    var menu = fullResult["menu"];
                    var buttons = (menu as Dictionary<string, object>)["button"] as object[];

                    foreach (var rootButton in buttons)
                    {
                        var fullButton = rootButton as Dictionary<string, object>;
                        if (fullButton.ContainsKey("key") && !string.IsNullOrEmpty(fullButton["key"] as string))
                        {
                            //按钮,无下级菜单
                            finalResult.menu.button.Add(GetSingleButtonFromJsonObject(fullButton));
                        }
                        else
                        {
                            //二级菜单
                            var subButton = new SubButton(fullButton["name"] as string);
                            finalResult.menu.button.Add(subButton);
                            foreach (var sb in fullButton["sub_button"] as object[])
                            {
                                subButton.sub_button.Add(GetSingleButtonFromJsonObject(sb as Dictionary<string, object>));
                            }
                        }
                    }
                }
                else if (fullResult != null && fullResult.ContainsKey("errmsg"))
                {
                    //菜单不存在
                    throw new ErrorJsonResultException(fullResult["errmsg"] as string, null, null);
                }
            }
            catch (ErrorJsonResultException ex)
            {
                finalResult = null;

                //如果没有惨淡会返回错误代码:46003:menu no exist
            }
            catch (Exception ex)
            {
                //其他异常
                finalResult = null;
            }
            return finalResult;
        }
        /// <summary>
        /// 根据微信返回的Json数据得到可用的GetMenuResult结果
        /// </summary>
        /// <param name="resultFull"></param>
        /// <returns></returns>
        public static GetMenuResult GetMenuFromJsonResult(GetMenuResultFull resultFull)
        {
            GetMenuResult result = null;
            try
            {
                //重新整理按钮信息
                ButtonGroup bg = new ButtonGroup();
                foreach (var rootButton in resultFull.menu.button)
                {
                    if (rootButton.name == null)
                    {
                        continue;//没有设置一级菜单
                    }
                    var availableSubButton = rootButton.sub_button.Count(z => !string.IsNullOrEmpty(z.name));//可用二级菜单按钮数量
                    if (availableSubButton == 0)
                    {
                        //底部单击按钮
                        if (string.IsNullOrEmpty(rootButton.key))
                        {
                            throw new WeixinMenuException("单击按钮的key不能为空!");
                        }

                        bg.button.Add(new SingleButton()
                        {
                            name = rootButton.name,
                            key = rootButton.key,
                         //  type = rootButton.type//目前只有click
                        });
                    }
                    else if (availableSubButton < 2)
                    {
                        throw new WeixinMenuException("子菜单至少需要填写2个!");
                    }
                    else
                    {
                        //底部二级菜单
                        var subButton = new SubButton(rootButton.name);
                        bg.button.Add(subButton);

                        foreach (var subSubButton in rootButton.sub_button)
                        {
                            if (subSubButton.name == null)
                            {
                                continue; //没有设置菜单
                            }

                            if (string.IsNullOrEmpty(subSubButton.key))
                            {
                                throw new WeixinMenuException("单击按钮的key不能为空!");
                            }

                            subButton.sub_button.Add(new SingleButton()
                            {
                                name = subSubButton.name,
                                key = subSubButton.key,
                                //type = subSubButton.type
                                //目前只有click
                            });
                        }
                    }
                }

                if (bg.button.Count < 2)
                {
                    throw new WeixinMenuException("一级菜单按钮至少为2个!");
                }

                result = new GetMenuResult()
                             {
                                 menu = bg
                             };
            }
            catch (Exception ex)
            {
                throw new WeixinMenuException(ex.Message, ex);
            }
            return result;
        }