public ActionResult Get(PostModel postModel, string echostr)
{
if (CheckSignature.Check(postModel.Signature, postModel.Timestamp, postModel.Nonce, Token))
{
return Content(echostr); //返回随机字符串则表示验证通过
}
else
{
return Content("failed:" + postModel.Signature + "," + MP.CheckSignature.GetSignature(postModel.Timestamp, postModel.Nonce, Token) + "。" +
"如果你在浏览器中看到这句话，说明此地址可以被作为微信小程序后台的Url，请注意保持Token一致。");
}
}
public bool Check(Wx_App app, WXOpen.PostModel model)
{
string token = model.Token ?? app.Token;
if (CheckSignature.Check(model.Signature, model.Timestamp, model.Nonce, token))
{
model.Token = token;
model.AppId = app.AppId;
model.EncodingAESKey = app.AesKey;
return(true);
}
return(false);
}
//<?xml version="1.0" encoding="utf-8"?>
//<xml>
// <ToUserName><![CDATA[gh_a96a4a619366]]></ToUserName>
// <FromUserName><![CDATA[olPjZjsXuQPJoV0HlruZkNzKc91E]]></FromUserName>
// <CreateTime>1357986928</CreateTime>
// <MsgType><![CDATA[text]]></MsgType>
// <Content><![CDATA[中文]]></Content>
// <MsgId>5832509444155992350</MsgId>
//</xml>
/// <summary>
/// 获取XDocument转换后的IRequestMessageBase实例。
/// 如果MsgType不存在，抛出UnknownRequestMsgTypeException异常
/// </summary>
/// <returns></returns>
public static IRequestMessageBase GetRequestEntity(XDocument doc, PostModel postModel = null)
{
RequestMessageBase requestMessage = null;
RequestMsgType msgType;
try
{
msgType = MsgTypeHelper.GetRequestMsgType(doc);
switch (msgType)
{
case RequestMsgType.Text:
requestMessage = new RequestMessageText();
break;
case RequestMsgType.Image:
requestMessage = new RequestMessageImage();
break;
case RequestMsgType.Event:
//判断Event类型
switch (doc.Root.Element("Event").Value.ToUpper())
{
case "USER_ENTER_TEMPSESSION"://进入客服会话
requestMessage = new RequestMessageEvent_UserEnterTempSession();
break;
default://其他意外类型（也可以选择抛出异常）
requestMessage = new RequestMessageEventBase();
break;
}
break;
default:
throw new UnknownRequestMsgTypeException(string.Format("MsgType：{0} 在RequestMessageFactory中没有对应的处理程序！", msgType), new ArgumentOutOfRangeException());//为了能够对类型变动最大程度容错（如微信目前还可以对公众账号suscribe等未知类型，但API没有开放），建议在使用的时候catch这个异常
}
EntityHelper.FillEntityWithXml(requestMessage, doc);
}
catch (ArgumentException ex)
{
throw new WeixinException(string.Format("RequestMessage转换出错！可能是MsgType不存在！，XML：{0}", doc.ToString()), ex);
}
return requestMessage;
}
public ActionResult Post(PostModel postModel)
{
if (!CheckSignature.Check(postModel.Signature, postModel.Timestamp, postModel.Nonce, Token))
{
return Content("参数错误！");
}
postModel.Token = Token;//根据自己后台的设置保持一致
postModel.EncodingAESKey = EncodingAESKey;//根据自己后台的设置保持一致
postModel.AppId = AppId;//根据自己后台的设置保持一致
//v4.2.2之后的版本，可以设置每个人上下文消息储存的最大数量，防止内存占用过多，如果该参数小于等于0，则不限制
var maxRecordCount = 10;
var logPath = Server.MapPath(string.Format("~/App_Data/WxOpen/{0}/", DateTime.Now.ToString("yyyy-MM-dd")));
if (!Directory.Exists(logPath))
{
Directory.CreateDirectory(logPath);
}
//自定义MessageHandler，对微信请求的详细判断操作都在这里面。
var messageHandler = new CustomWxOpenMessageHandler(Request.InputStream, postModel, maxRecordCount);
try
{
//测试时可开启此记录，帮助跟踪数据，使用前请确保App_Data文件夹存在，且有读写权限。
messageHandler.RequestDocument.Save(Path.Combine(logPath, string.Format("{0}_Request_{1}.txt", _getRandomFileName(), messageHandler.RequestMessage.FromUserName)));
if (messageHandler.UsingEcryptMessage)
{
messageHandler.EcryptRequestDocument.Save(Path.Combine(logPath, string.Format("{0}_Request_Ecrypt_{1}.txt", _getRandomFileName(), messageHandler.RequestMessage.FromUserName)));
}
/* 如果需要添加消息去重功能，只需打开OmitRepeatedMessage功能，SDK会自动处理。
* 收到重复消息通常是因为微信服务器没有及时收到响应，会持续发送2-5条不等的相同内容的RequestMessage*/
messageHandler.OmitRepeatedMessage = true;
//执行微信处理过程
messageHandler.Execute();
//测试时可开启，帮助跟踪数据
//if (messageHandler.ResponseDocument == null)
//{
// throw new Exception(messageHandler.RequestDocument.ToString());
//}
if (messageHandler.ResponseDocument != null)
{
messageHandler.ResponseDocument.Save(Path.Combine(logPath, string.Format("{0}_Response_{1}.txt", _getRandomFileName(), messageHandler.RequestMessage.FromUserName)));
}
if (messageHandler.UsingEcryptMessage)
{
//记录加密后的响应信息
messageHandler.FinalResponseDocument.Save(Path.Combine(logPath, string.Format("{0}_Response_Final_{1}.txt", _getRandomFileName(), messageHandler.RequestMessage.FromUserName)));
}
//return Content(messageHandler.ResponseDocument.ToString());//v0.7-
return new FixWeixinBugWeixinResult(messageHandler);//为了解决官方微信5.0软件换行bug暂时添加的方法，平时用下面一个方法即可
//return new WeixinResult(messageHandler);//v0.8+
}
catch (Exception ex)
{
using (TextWriter tw = new StreamWriter(Server.MapPath("~/App_Data/Error_WxOpen_" + _getRandomFileName() + ".txt")))
{
tw.WriteLine("ExecptionMessage:" + ex.Message);
tw.WriteLine(ex.Source);
tw.WriteLine(ex.StackTrace);
//tw.WriteLine("InnerExecptionMessage:" + ex.InnerException.Message);
if (messageHandler.ResponseDocument != null)
{
tw.WriteLine(messageHandler.ResponseDocument.ToString());
}
if (ex.InnerException != null)
{
tw.WriteLine("========= InnerException =========");
tw.WriteLine(ex.InnerException.Message);
tw.WriteLine(ex.InnerException.Source);
tw.WriteLine(ex.InnerException.StackTrace);
}
tw.Flush();
tw.Close();
}
return Content("");
}
}
