public void ProcessRequest(HttpContext context)
{
string httpMethod = context.Request.HttpMethod.ToLower();
context.Response.ContentType = "text/plain";
string result = string.Empty;
if (httpMethod == "post")
{
StreamReader str = new StreamReader(context.Request.InputStream, System.Text.Encoding.UTF8);
WeiXinModel model = null;
if (str != null)
{
model = GetModel(str);
LogModel(model, context);
result = GetResult(model, context);
}
context.Response.Write(result);
context.Response.End();
}
else
{
Valid(context);
}
}
public string GetImage(WeiXinModel model)
{
return(string.Format(@"<xml>
<ToUserName><![CDATA[{0}]]></ToUserName>
<FromUserName><![CDATA[{1}]]></FromUserName>
<CreateTime>{2}</CreateTime>
<MsgType><![CDATA[image]]></MsgType>
<Image>
<MediaId><![CDATA[{3}]]></MediaId>
</Image>
</xml>", model.FromUserName, model.ToUserName, DateTimeToUnixInt(DateTime.Now).ToString(),
model.MediaId));
}
private string OperationEvent(WeiXinModel model, HttpContext context)
{
switch (model.Event)
{
case "subscribe": //初次关注
HandleUser(model, context, true);
return(GetText(model, context));
case "SCAN": //已经关注
return(GetText(model, context));
default:
return(GetText(model, context));
}
}
public string HandleUser(WeiXinModel model, HttpContext context, bool subscribe)
{
string url = string.Format("https://api.weixin.qq.com/cgi-bin/user/info?openid={0}&lang=zh_CN&access_token=", model.FromUserName);
string userInfoStr = WeiXin_API_Helper.GetRequest(context, url);
UserInfo userInfo = JsonConvert.DeserializeObject <UserInfo>(userInfoStr);
WeixinUsersBLL bll = new WeixinUsersBLL();
if (!bll.Exsits(userInfo.openid))
{
userInfo.tagid_list_str = string.Join(",", userInfo.tagid_list);
userInfo.subscribeTime = GetTime(userInfo.subscribe_time.ToString());
userInfo.userType = subscribe ? 2 : 1;
userInfo.remark = userInfo.nickname;
bll.Add(userInfo);
}
return(userInfo.openid);
}
private void LogModel(WeiXinModel model, HttpContext context)
{
using (var stream = new FileStream(context.Server.MapPath("textRequest.txt"), FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine("ToUserName:"******"FromUserName:"******"CreateTime:" + model.CreateTime);
writer.WriteLine("MsgType:" + model.MsgType);
writer.WriteLine("Content:" + model.Content);
writer.WriteLine("MsgId:" + model.MsgId);
writer.WriteLine("PicUrl:" + model.PicUrl);
writer.WriteLine("MediaId:" + model.MediaId);
writer.WriteLine("Event:" + model.Event);
writer.WriteLine("EventKey:" + model.EventKey);
writer.WriteLine("Ticket:" + model.Ticket);
writer.Close();
}
}
public string GetText(WeiXinModel model, HttpContext context)
{
if (model.Content.Contains("二维码"))
{
string openId = HandleUser(model, context, false);
string result = WeiXin_API_Helper.GenerateQrCode(context, openId);
PostMaterialResponse pmr = JsonConvert.DeserializeObject <PostMaterialResponse>(result);
model.MediaId = pmr.media_id;
return(GetImage(model));
}
return(string.Format(@"<xml>
<ToUserName><![CDATA[{0}]]></ToUserName>
<FromUserName><![CDATA[{1}]]></FromUserName>
<CreateTime>{2}</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[{3}]]></Content>
</xml>", model.FromUserName, model.ToUserName, DateTimeToUnixInt(DateTime.Now).ToString(), Welcome));
}
private WeiXinModel GetModel(StreamReader str)
{
WeiXinModel model = new WeiXinModel();
XmlDocument doc = new XmlDocument();
doc.Load(str);
model.ToUserName = doc.SelectSingleNode("xml").SelectSingleNode("ToUserName").InnerText;
model.FromUserName = doc.SelectSingleNode("xml").SelectSingleNode("FromUserName").InnerText;
model.CreateTime = doc.SelectSingleNode("xml").SelectSingleNode("CreateTime").InnerText;
model.MsgType = doc.SelectSingleNode("xml").SelectSingleNode("MsgType").InnerText;
model.Content = doc.SelectSingleNode("xml").SelectSingleNode("Content") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("Content").InnerText;
model.MsgId = doc.SelectSingleNode("xml").SelectSingleNode("MsgId") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("MsgId").InnerText;
model.PicUrl = doc.SelectSingleNode("xml").SelectSingleNode("PicUrl") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("PicUrl").InnerText;
model.MediaId = doc.SelectSingleNode("xml").SelectSingleNode("MediaId") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("MediaId").InnerText;
model.Event = doc.SelectSingleNode("xml").SelectSingleNode("Event") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("Event").InnerText;
model.EventKey = doc.SelectSingleNode("xml").SelectSingleNode("EventKey") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("EventKey").InnerText;
model.Ticket = doc.SelectSingleNode("xml").SelectSingleNode("Ticket") == null ? "" : doc.SelectSingleNode("xml").SelectSingleNode("Ticket").InnerText;
return(model);
}
private string GetResult(WeiXinModel model, HttpContext context)
{
string result = string.Empty;
switch (model.MsgType)
{
case "text":
result = GetText(model, context);
break;
case "image":
result = GetImage(model);
break;
case "event":
result = OperationEvent(model, context);
break;
default: break;
}
return(result);
}
