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微信公共服务平台开发(.Net 的实现)7-------发送图文消息

2018年03月19日  | 移动技术网IT编程  | 我要评论

之前我们讲过让微信发送给我们普通的文本信息,下面我们来看看如何发送图文信息,需要注意的是这里说的是,让微信发给我们,而不是我们拍个图片发给微信处理,我们上传图片在以后的章节介绍.下面是发送图文消息的函数,涉及title(标题),description(摘要),picurl(图片),链接(url)几个关键的参数:

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://mp.weixin.qq.com/wiki/skins/common/images/weixin_wiki_logo.png","https://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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