public ActionResult Wechat()
{
if (Request.HttpMethod.ToLower() == "post")
{
StreamReader str = new StreamReader(Request.InputStream, System.Text.Encoding.UTF8);
XmlDocument xml = new XmlDocument();
xml.Load(str);
XmlNode xn = xml.SelectSingleNode("xml"); //返回标签名为“xml”的所有节点，返回的是数组
string xmlDoc = "";
for (int i = 0; i < xn.ChildNodes.Count; i++)
{
xmlDoc += "\r\n" + xn.ChildNodes[i].Name + ":" + xn.ChildNodes[i].InnerText;
}
ToUserName = xn.SelectSingleNode("ToUserName").InnerText; //获取用户的OpenID;
FromUserName = xn.SelectSingleNode("FromUserName").InnerText; //获取用户的OpenID
MsgType = xn.SelectSingleNode("MsgType").InnerText; //获得用户发来的信息类型:text,image,location,link,event等
if (!string.IsNullOrWhiteSpace(MsgType))
{
switch (MsgType.ToLower())
{
case "text":
myContent = xn.SelectSingleNode("Content").InnerText;
if (myContent.Substring(0, 1).ToLower() == "v")
{
ToWXStr = ReplayText(myContent);
}
else
{
ToWXStr = Normal_Text(myContent);
}
break;
case "event":
switch (xn.SelectSingleNode("Event").InnerText)
{
case "subscribe":
ToWXStr = ReplayText(SubscribeEvent());
break;
case "unsubscribe":
break;
case "click":
string EventKey = xn.SelectSingleNode("EventKey").InnerText;
ToWXStr = ReplayText("您好，我们的攻城狮们正在研发此功能，请期待！");
break;
}
break;
default:
ToWXStr = ReplayText("您好，您的消息我们已经收到，客服看到后会在第一时间内给您回复！");
break;
}
}
}
else
{
string echoStr = Request.QueryString["echoStr"];
if (CheckSignature())
{
if (!string.IsNullOrEmpty(echoStr))
{
return(Content(echoStr));
}
}
}
return(Content(ToWXStr, "text/xml"));
}