php微信公众账号开发之五个坑(二)

上篇说到微信公众账号的几个坑,前面五个,已经说到菜单,宝宝继续往下赘述了。可惜,还不知道宝宝的宝宝到底是不是心疼宝宝呢,完了,我凌乱了。。。 

回到正题,我们就不吐槽其他的了,上一篇说到微信的菜单了,那么,我们现在说说菜单回复等等的吧。 

菜单回复是需要处理XML文件的,我们根据微信返回的XML文件,可以得到每个微信用户相对于微信公众号的唯一标识。微信公众平台的机制简单的将就是我们自己输出固定格式的xml文件,然后微信APP负责解析,得到我们想要的信息,然后对信息统一处理。 

第六坑,如果你看微信文档,那么,绝对坑死你,上图。这里的ToUserName和FromUserName一定特么的要分清楚了,记住,千万不要写反了,用户对于微信而言是A→B,那么微信对于用户就是反着来的,貌似现在应该说清楚了。

php微信公众账号开发之五个坑(二)

/// <summary> /// 接收微信发送的XML消息并且解析 /// </summary> private void ReceiveXml() { try { Stream requestStream = System.Web.HttpContext.Current.Request.InputStream; byte[] requestByte = new byte[requestStream.Length]; requestStream.Read(requestByte, 0, (int)requestStream.Length); string requestStr = Encoding.UTF8.GetString(requestByte); if (!string.IsNullOrEmpty(requestStr)) { //封装请求类 XmlDocument requestDocXml = new XmlDocument(); requestDocXml.LoadXml(requestStr); XmlElement rootElement = requestDocXml.DocumentElement; WxXmlModel WxXmlModel = new WxXmlModel(); if (rootElement != null) { WxXmlModel.ToUserName = rootElement.SelectSingleNode("ToUserName") == null ? "" : rootElement.SelectSingleNode("ToUserName").InnerText; WxXmlModel.FromUserName = rootElement.SelectSingleNode("FromUserName") == null ? "" : rootElement.SelectSingleNode("FromUserName").InnerText; WxXmlModel.CreateTime = rootElement.SelectSingleNode("CreateTime") == null ? "" : rootElement.SelectSingleNode("CreateTime").InnerText; WxXmlModel.MsgType = rootElement.SelectSingleNode("MsgType") == null ? "" : rootElement.SelectSingleNode("MsgType").InnerText; switch (WxXmlModel.MsgType) { case "text"://文本 WxXmlModel.Content = rootElement.SelectSingleNode("Content") == null ? "" : rootElement.SelectSingleNode("Content").InnerText; break; case "image"://图片 WxXmlModel.PicUrl = rootElement.SelectSingleNode("PicUrl") == null ? "" : rootElement.SelectSingleNode("PicUrl").InnerText; break; case "event"://事件 WxXmlModel.Event = rootElement.SelectSingleNode("Event") == null ? "" : rootElement.SelectSingleNode("Event").InnerText; if (WxXmlModel.Event != "TEMPLATESENDJOBFINISH")//关注类型 { WxXmlModel.EventKey = rootElement.SelectSingleNode("EventKey") == null ? "" : rootElement.SelectSingleNode("EventKey").InnerText; } break; default: break; } } ResponseXML(WxXmlModel);//回复消息 } } catch (Exception ee) { //记录错误日志 } } /// <summary> /// 回复消息 /// </summary> /// <param></param> private void ResponseXML(WxXmlModel WxXmlModel) { string XML = ""; switch (WxXmlModel.MsgType) { case "text"://文本回复 var info = oauth.GetUserInfo(Tools.WA_GetAccess_Token.IsExistAccess_Token(), WxXmlModel.FromUserName); Tools.WAEntity.OAuthUser user = Tools.JsonHelper.ParseFromJson<Tools.WAEntity.OAuthUser>(info); var content = WxXmlModel.Content.ToUpper(); string NcbActUrl = ConfigurationManager.AppSettings["NcbActUrl"]; string appid = ConfigurationManager.AppSettings["AppID"]; if (content.Contains("T"))//接受的文字如果包含T { //业务处理 } else { XML = ResponseMessage.ReText(WxXmlModel.FromUserName, WxXmlModel.ToUserName, "/:rose农场大数据欢迎你!/:rose"); } break; case "event": switch (WxXmlModel.Event.ToLower()) { case "subscribe": if (string.IsNullOrEmpty(WxXmlModel.EventKey)) { XML = ResponseMessage.ReText(WxXmlModel.FromUserName, WxXmlModel.ToUserName, "关注成功!/:rose"); } else { XML = ResponseMessage.SubScanQrcode(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.EventKey);//扫描带参数二维码先关注后推送事件 } break; case "scan": XML = ResponseMessage.ScanQrcode(WxXmlModel.FromUserName, WxXmlModel.ToUserName, WxXmlModel.EventKey);//扫描带参数二维码已关注 直接推送事件 break; case "click"://处理单击事件 if (WxXmlModel.EventKey == "p1") { //自己的业务逻辑 } else { //自己的业务逻辑 } break; case "unsubscribe"://取消关注 break; } break; default://默认回复 break; } Response.Write(XML);//输出组织的XML信息 }

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