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<xml>

<ToUserName><![CDATA[toUser]]></ToUserName>

<FromUserName><![CDATA[fromUser]]></FromUserName>

<CreateTime>1357290913</CreateTime>

<MsgType><![CDATA[voice]]></MsgType>

<MediaId><![CDATA[media_id]]></MediaId>

<Format><![CDATA[Format]]></Format>

<MsgId>1234567890123456</MsgId>

</xml>

    /// <summary>

    /// 接收的語音消息

    /// </summary>

    [System.Xml.Serialization.XmlRoot(ElementName = "xml")]

    public class RequestVoice : BaseMessage

    {

        public RequestVoice()

        {

            this.MsgType = RequestMsgType.Voice.ToString().ToLower();

        }

        /// <summary>

        /// 語音格式，如amr，speex等

        /// </summary>

        public string Format { get; set; }

        /// <summary>

        /// 語音消息媒體id，可以調用多媒體文件下載接口拉取數據。

        /// </summary>

        public string MediaId { get; set; }

  

        /// <summary>

        /// 消息ID

        /// </summary>

        public Int64 MsgId { get; set; }

        /// <summary>

        /// 語音識別結果，UTF8編碼

        /// </summary>

        public string Recognition  { get; set; }

    }

        /// <summary>

        /// 對語音請求信息進行處理

        /// </summary>

        /// <param name="info">語音請求信息實體</param>

        /// <returns></returns>

        public string HandleVoice(Entity.RequestVoice info)

        {

            string xml = "";

            // 開通語音識別功能，用戶每次發送語音給公眾號時，

            // 微信會在推送的語音消息XML數據包中，增加一個Recongnition字段。

            if (!string.IsNullOrEmpty(info.Recognition))

            {

                TextDispatch dispatch = new TextDispatch();

                xml = dispatch.HandleVoiceText(info, info.Recognition);

            }

            else

            {

                xml = "";

            }

            return xml;

        }

        /// <summary>

        /// 如果用戶用語音讀出菜單的內容，那么我們應該先根據菜單對應的事件觸發，最后再交給普通事件處理

        /// </summary>

        /// <param name="info"></param>

        /// <returns></returns>

        public string HandleVoiceText(BaseMessage info, string voiceText)

        {

            string xml = "";

            MenuInfo menuInfo = BLLFactory<Menu>.Instance.FindByName(voiceText);

            if (menuInfo != null)

            {

                #region 如果找到菜單對象的處理

                if (menuInfo.Type == "click")

                {

                    //模擬單擊事件

                    RequestEventClick eventInfo = new RequestEventClick();

                    eventInfo.CreateTime = info.CreateTime;

                    eventInfo.EventKey = menuInfo.Key;

                    eventInfo.FromUserName = info.FromUserName;

                    eventInfo.ToUserName = info.ToUserName;

                    xml = base.DealEvent(eventInfo, eventInfo.EventKey);

                }

                else

                {

                    //由于無法自動切換到連接，

                    //轉換為連接文本供用戶進入

                    string content = string.Format("請單擊鏈接進入<a href=\"{0}\">{1}</a> ", menuInfo.Url, menuInfo.Name);

                    ResponseText textInfo = new ResponseText(info);

                    textInfo.Content = content;

                    xml = textInfo.ToXml();

                } 

                #endregion

            }

            else

            {

                //交給事件機制處理

                if (string.IsNullOrEmpty(xml))

                {

                    xml = HandleText(info, voiceText);

                }

            }

            //最后如果沒有處理到，那么提示用戶的語音內容

            if (string.IsNullOrEmpty(xml))

            {

                ResponseText textInfo = new ResponseText(info);

                textInfo.Content = string.Format("非常抱歉，您輸入的語音內容沒有找到對應的處理方式。您的語音內容為：{0}", voiceText);

                xml = textInfo.ToXml();

            }

            return xml;

        }