微信公众平台开发之自定义菜单.Net代码解析

 public void MyMenu()
  {
   string weixin1 = "";
   weixin1 = @" {
  ""button"":[
  { 
   ""type"":""click"",
   ""name"":""你好!"",
   ""key"":""Hello""
  },
  {
   ""type"":""view"",
   ""name"":""公司简介"",
   ""url"":""http://www.4ugood.net""
  },
  {
   ""name"":""产品介绍"",
   ""sub_button"":[
   {
    ""type"":""click"",
    ""name"":""产品1"",
    ""key"":""P1""
   },
   {
    ""type"":""click"",
    ""name"":""产品2"",
    ""key"":""P2""
   }]
  }]
 }
";

   string access_token = IsExistAccess_Token();
   string i = GetPage("https://api.weixin.qq.com/cgi-bin/menu/create?access_token="+access_token, weixin1);
   Response.Write(i);
  }

protected void Page_Load(object sender, EventArgs e)
  {
  
   MyMenu();
   wxmessage wx = GetWxMessage();
   string res = "";

   if (!string.IsNullOrEmpty(wx.EventName)  wx.EventName.Trim() == "subscribe")
   {
    string content = "";
    content = "/:rose欢迎北京永杰友信科技有限公司/:rose\n直接回复“你好”";
    res = sendTextMessage(wx, content);
   }
   else if (!string.IsNullOrEmpty(wx.EventName)  wx.EventName.Trim() == "CLICK")
   {
    if(wx.EventKey=="Hello")
     res = sendTextMessage(wx, "你好,欢迎使用北京永杰友信科技有限公司公共微信平台!");
    if(wx.EventKey=="P1")
     res = sendTextMessage(wx, "你好,点击了产品1");
    if(wx.EventKey=="P2")
     res = sendTextMessage(wx, "你好,点击了产品2");
   }
   else
   {
    if (wx.MsgType == "text"  wx.Content == "你好")
    {
     res = sendTextMessage(wx, "你好,欢迎使用北京永杰友信科技有限公司公共微信平台!");
    }
    else if (wx.MsgType == "voice")
    {
     res = sendTextMessage(wx, wx.Recognition);
    }
    else
    {
     res = sendTextMessage(wx, "你好,未能识别消息!");
    }
   }

   Response.Write(res);
  }



  private wxmessage GetWxMessage()
  {
   wxmessage wx = new wxmessage();
   StreamReader str = new StreamReader(Request.InputStream, System.Text.Encoding.UTF8);
   XmlDocument xml = new XmlDocument();
   xml.Load(str);
   wx.ToUserName = xml.SelectSingleNode("xml").SelectSingleNode("ToUserName").InnerText;
   wx.FromUserName = xml.SelectSingleNode("xml").SelectSingleNode("FromUserName").InnerText;
   wx.MsgType = xml.SelectSingleNode("xml").SelectSingleNode("MsgType").InnerText;
   if (wx.MsgType.Trim() == "text")
   {
    wx.Content = xml.SelectSingleNode("xml").SelectSingleNode("Content").InnerText;
   }
   if (wx.MsgType.Trim() == "event")
   {
    wx.EventName = xml.SelectSingleNode("xml").SelectSingleNode("Event").InnerText;
    wx.EventKey = xml.SelectSingleNode("xml").SelectSingleNode("EventKey").InnerText;
   }
   if (wx.MsgType.Trim() == "voice")
   {
    wx.Recognition = xml.SelectSingleNode("xml").SelectSingleNode("Recognition").InnerText;
   }
   
   return wx;
  }




/// summary> 
  /// 发送文字消息 
  /// /summary> 
  /// param name="wx">获取的收发者信息/param> 
  /// param name="content">内容/param> 
  /// returns>/returns> 
  private string sendTextMessage(wxmessage wx, string content)
  {
   string res = string.Format(@"xml>
         ToUserName>![CDATA[{0}]]>/ToUserName>
         FromUserName>![CDATA[{1}]]>/FromUserName>
         CreateTime>{2}/CreateTime>
         MsgType>![CDATA[text]]>/MsgType>
         Content>![CDATA[{3}]]>/Content>
         /xml> ",
    wx.FromUserName, wx.ToUserName, DateTime.Now, content);
   return res;
  }