1     class wxmessage    
2       {    
3           public string FromUserName { get; set; }    消息发送方微信号
4           public string ToUserName { get; set; }    消息接收方微信号，一般为公众平台账号微信号
5            public string MsgType { get; set; }    信息类型
6            public string EventName { get; set; }    
7            public string Content { get; set; }  信息内容
8            public string EventKey { get; set; }   
9        }  

 1     protected void Page_Load(object sender, EventArgs e)  
 2          {  
 3              wxmessage wx = GetWxMessage();  
 4              string res = "";  
 5       
 6              if (!string.IsNullOrEmpty(wx.EventName) && wx.EventName.Trim() == "subscribe")  
 7              {//刚关注时的时间，用于欢迎词  
 8                  string content = "";  
 9                  content = "你好，感谢你关注QLJ1314博客";  
10                  res = sendTextMessage(wx, content);  
11              }  
12              else  
13              {  
14                  if (wx.MsgType == "text" && wx.Content == "你好")  
15                  {  
16                      res = sendTextMessage(wx, "你好，感谢你关注QLJ1314博客!");  
17                  }  
18                  else  
19                  {  
20                      res = sendTextMessage(wx, "这个我也没遇见过，正在向微信客服反应此事，请耐心等待或者可以直接打10086!");  
21                  }  
22              }  
23       
24              Response.Write(res);  
25          }  
26       //获取用户基本信息
27      private wxmessage GetWxMessage()  
28          {  
29              wxmessage wx = new wxmessage();  
30              StreamReader str = new StreamReader(Request.InputStream, System.Text.Encoding.UTF8);  
31              XmlDocument xml = new XmlDocument();  
32              xml.Load(str);  
33              wx.ToUserName = xml.SelectSingleNode("xml").SelectSingleNode("ToUserName").InnerText;  
34              wx.FromUserName = xml.SelectSingleNode("xml").SelectSingleNode("FromUserName").InnerText;  
35              wx.MsgType = xml.SelectSingleNode("xml").SelectSingleNode("MsgType").InnerText;  
36              if (wx.MsgType.Trim() == "text")  
37              {  
38                  wx.Content = xml.SelectSingleNode("xml").SelectSingleNode("Content").InnerText;  
39              }  
40              if (wx.MsgType.Trim() == "event")  
41              {  
42                  wx.EventName = xml.SelectSingleNode("xml").SelectSingleNode("Event").InnerText;  
43              }  
44       
45                
46              return wx;  
47          }  
48       
49     /// <summary>    
50          /// 发送文字消息    
51          /// </summary>    
52          /// <param name="wxCont">获取的收发者信息    
53          /// <param name="content">内容    
54          /// <returns>string </returns>    
55          private string sendTextMessage(wxmessage wxCont, string content)  
56          {  
57              string res = string.Format(@" ",  
58                  wx.FromUserName, wx.ToUserName, DateTime.Now, content);  
59              return res;  
60          }