微信公众平台开发之.Net如何实现发送图文消息

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protected string sendPicTextMessage(Msg _mode,string title,string description,string picurl,string url)  {        string res = string.Format(@"            {2}        1                                              ",      _mode.FromUserName, _mode.ToUserName, DateTime.Now,title, description, picurl, url);    return res;   }

直接在调用函数即可:

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!");       }       if (wx.MsgType == "text" && wx.Content == "图文")       {         res = sendPicTextMessage(wx,"这里是一个标题","这里是摘要","https://cache.yisu.com/upload/information/20201208/260/11784.jpg","http://www.4ugood.net");       }       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;   }

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