php微信公众账号开发遇到的五个坑总结

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这篇文章主要为大家详细介绍了php微信公众账号开发之五个坑,具有一定的参考价值，感兴趣的小伙伴们可以参考一下

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微信公众账号开发遇到的五个坑总结

/// <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 name="WxXmlModel"></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

 }

这就是菜单的信息处理，不明真相的群众貌似会问那个所谓的ResponseMessage到底有几个意思呢，OK，我已经无力吐槽我这三天研究出来的微信公共平台的东西了。

public class ResponseMessage

{

 #region 接收的类型
 /// <summary>
 /// 接收文本
 /// </summary>
 /// <param name="FromUserName"></param>
 /// <param name="ToUserName"></param>
 /// <param name="Content"></param>
 /// <returns></returns>
 public static string GetTextTest(string FromUserName, string ToUserName, string Content, string key)
 {
 CommonMethod.WriteTxt(Content);//接收的文本消息
 string XML = "";
 switch (Content)
 {
  case "关键字":
  XML = ReText(FromUserName, ToUserName, "关键词回复测试——兴农丰华:" + key);
  break;
  case "单图文":
  XML = ReArticle(FromUserName, ToUserName, "测试标题", "测试详情——兴农丰华:" + key, "http://www.xnfhtech.com/templets/boze/images/20120130083143544.gif", "http://www.xnfhtech.com/");
  break;
  default:
  XML = ReText(FromUserName, ToUserName, "无对应关键字——兴农丰华:" + key);
  break;
 }
 return XML;

 }

 /// <summary>
 /// 未关注扫描带参数二维码
 /// </summary>
 /// <param name="FromUserName"></param>
 /// <param name="ToUserName"></param>
 /// <param name="EventKey"></param>
 /// <returns></returns>
 public static string SubScanQrcode(string FromUserName, string ToUserName, string EventKey)
 {
 return "";
 }
 

 /// <summary>
 /// 已关注扫描带参数二维码
 /// </summary>
 /// <param name="FromUserName"></param>
 /// <param name="ToUserName"></param>
 /// <param name="EventKey"></param>
 /// <returns></returns>
 public static string ScanQrcode(string FromUserName, string ToUserName, string EventKey)
 {
 return "";
 }
 #endregion
 

 #region 回复方式
 /// <summary>
 /// 回复文本
 /// </summary>
 /// <param name="FromUserName">发送给谁(openid)</param>
 /// <param name="ToUserName">来自谁(公众账号ID)</param>
 /// <param name="Content">回复类型文本</param>
 /// <returns>拼凑的XML</returns>

 public static string ReText(string FromUserName, string ToUserName, string Content)
 {
 string XML = "<xml><ToUserName><![CDATA[" + FromUserName + "]]>

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php微信公众账号开发遇到的五个坑总结

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