微信公众平台开发（33）在线点歌/在线音乐

<a href="http://api2.sinaapp.com/search/music/?appkey=0020130430&appsecert=fa6095e1133d28ad&reqtype=music&keyword">http://api2.sinaapp.com/search/music/?appkey=0020130430&appsecert=fa6095e1133d28ad&reqtype=music&keyword</a>=歌曲名称

{

    "errcode": 0,

    "msgtype": "music",

    "music": {

        "title": "歌曲名称",

        "description": "music",

        "musicurl": "音乐地址",

        "hqmusicurl": "音乐地址"

    }

}

{

    "errcode": "1",

    "msgtype": "text",

    "text": {

        "content": "检索音乐失败！"

    }

}

public string GetMusic(string MusicName)

       {

           WebClient MyWebClient = new WebClient();

           MyWebClient.Credentials = CredentialCache.DefaultCredentials;//获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。

           Byte[] Comp = MyWebClient.DownloadData("http://api2.sinaapp.com/search/music/?appkey=0020130430&appsecert=fa6095e1133d28ad&reqtype=music&keyword=" + MusicName); //获取快递公司数据

           var pageHtml = Encoding.UTF8.GetString(Comp); //如果获取网站页面采用的是UTF-8，则使用这句

           JavaScriptSerializer js = new JavaScriptSerializer();

           var obj = js.DeserializeObject(pageHtml);

           Dictionary<string, object> dic = obj as Dictionary<string, object>;

           if (dic["errcode"].ToString() == "0")

           {

               Dictionary<string, object> dic2 = dic.Values.ToArray()[2] as Dictionary<string, object>;

               string title = dic2["title"].ToString();

               string musicurl = dic2["musicurl"].ToString();

               string hqmusicurl = dic2["hqmusicurl"].ToString();

               return ResponseMusicMsg(title, "按住可转发好友，播放失败请换首歌！", musicurl, hqmusicurl);

           }

           else {

               return ResponseText("[流泪] Sorry~ 你要的音乐我没有找到~ [流泪]");

           }

       }

/// <summary>

       /// 回复音乐内容

       /// </summary>

       /// <param name="to">接收者</param>

       /// <param name="from">消息来源</param>

       /// <param name="title">标题</param>

       /// <param name="description">描述信息</param>

       /// <param name="musicurl">音乐链接</param>

       /// <param name="hqmusicurl">高质量音乐链接，WIFI环境优先使用该链接播放音乐</param>

       /// <returns>生成的输出文本</returns>

       public string ResponseMusicMsg(string title, string description, string musicurl, string hqmusicurl)

       {

           StringBuilder sb = new StringBuilder();

           sb.AppendFormat("<xml>");

           sb.AppendFormat("<ToUserName><![CDATA[{0}]]></ToUserName>", clientUser);

           sb.AppendFormat("<FromUserName><![CDATA[{0}]]></FromUserName>", serverUser);

           sb.AppendFormat("<CreateTime>{0}</CreateTime>", DateTime.Now.Ticks.ToString());

           sb.AppendFormat("<MsgType><![CDATA[music]]></MsgType>");

           sb.AppendFormat("<Music>");

           sb.AppendFormat("   <Title><![CDATA[{0}]]></Title>", title);

           sb.AppendFormat("   <Description><![CDATA[{0}]]></Description>", description);

           sb.AppendFormat("   <MusicUrl><![CDATA[{0}]]></MusicUrl>", musicurl);

           sb.AppendFormat("   <HQMusicUrl><![CDATA[{0}]]></HQMusicUrl>", hqmusicurl);

           sb.AppendFormat("   <FuncFlag>0</FuncFlag>");

           sb.AppendFormat("</Music>");

           sb.AppendFormat("</xml>");

           return sb.ToString();

       }