C# .net微信开发,开发认证,关注触发消息,自动应答,事件响应,自定义菜单

成为开发者

string[] ArrTmp = { "token",   Request["timestamp"],   Request["nonce"] };  Array.Sort(ArrTmp);       //字典排序string tmpStr = string.Join("", ArrTmp);  tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");  tmpStr = tmpStr.ToLower();if (tmpStr != Request["signature"].ToLower())  {     Response.Write(Request["echostr"]);  }

关注帐号，触发消息，自动应答,事件响应

namespace ElegantWM.WebUI.Areas.WeiXin.Controllers  {      /// <summary>      /// 微信公共服务类      /// </summary>      public class RobotController : BaseController      {          /// <summary>          /// 接收微信请求接口，认证的接口          /// </summary>          /// <returns></returns>          public ContentResult Index()          {              string result = AnalyzeXmlFromWeiXin();              return Content(result);          }            /// <summary>          /// 分析微信POST到本服务器的XML数据          /// </summary>          /// <param name="xmlStream"></param>          /// <returns></returns>          private string AnalyzeXmlFromWeiXin()          {              StreamReader reader = new StreamReader(Request.InputStream);              string xml = reader.ReadToEnd();              //获取MsgType              log.Info(xml);              string msgType = XmlHelper.ReadXmlStr(xml, "/xml/MsgType", "");              switch (msgType)              {                  case "event"://如果是事件                      return OnAttention(xml);                  case "text"://如果是文本消息                      return OnReceiveTextMsg(xml);                  default:                      return "不被支持的关键字！";              }          }            /// <summary>          /// 响应文本消息          /// </summary>          /// <param name="xml"></param>          /// <returns></returns>          private string OnReceiveTextMsg(string xml)          {              WxTextMsg msg = XmlEntityExchange<WxTextMsg>.ConvertXml2Entity(xml);              //返回消息，互换收发用户              string toUser = msg.FromUserName;              msg.FromUserName = msg.ToUserName;              msg.ToUserName = toUser;                switch (msg.Content.Trim())              {                  case "?":                      msg.Content = HelpDocument();                      break;                  case "？":                      msg.Content = HelpDocument();                      break;                  case "1":                      msg.Content = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");                      break;                  case "2":                      msg.Content = Tools.HttpCrossDomain.Get("http://www.weather.com.cn/data/sk/101210301.html");                      break;                  case "3":                      msg.Content = "来吧，想唠点什么呢？ [偷笑]";                      break;                  case "你是男的女的":                      msg.Content = "姑娘一枚 [偷笑]";                      break;                  default:                      msg.Content = "抱歉哦，我不认识您输入的命令。/害羞 /:,@-D";                      break;              }              return XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);          }          /// <summary>          /// 获取帮助菜单文档          /// </summary>          /// <returns></returns>          private string HelpDocument()          {              StringBuilder sb = new StringBuilder();              sb.Append("HI，请回复数字，选择服务").Append("\n\n");              sb.Append("1. 当前时间").Append("\n");              sb.Append("2. 天气信息").Append("\n");              sb.Append("3. 聊天唠嗑").Append("\n");              sb.Append("n. 更多服务开发中...").Append("\n");              sb.Append("回复【?】显示此帮助菜单");              return sb.ToString();          }            /// <summary>          /// 当用户关注微信帐号的时候触发，事件响应          /// </summary>          /// <param name="xml"></param>          private string OnAttention(string xml)          {              WxEvent wxevent = XmlEntityExchange<WxEvent>.ConvertXml2Entity(xml);              WxTextMsg msg = new WxTextMsg();              msg.ToUserName = wxevent.FromUserName;              msg.FromUserName = wxevent.ToUserName;              msg.CreateTime = DateTime.Now.Ticks;              msg.MsgType = "text";              //如果是关注，则发送欢迎消息              switch (wxevent.Event)              {                  case "subscribe":                      msg.Content = System.Configuration.ConfigurationManager.AppSettings["DefaultWxMsg"];                      break;                  case "CLICK":                      msg.Content = "您单击的是：" + wxevent.EventKey;                      break;                  default:                      msg.Content = "暂未处理的事件：Event" + wxevent.Event + ";EventKey:" + wxevent.EventKey;                      break;              }              string rst = XmlEntityExchange<WxTextMsg>.ConvertEntity2Xml(msg);              log.Info(rst);              return rst;          }      }  }

辅助类

//实体  public class WxEvent      {          /// <summary>          /// 接收人          /// </summary>          public string ToUserName { get; set; }          /// <summary>          /// 发送人          /// </summary>          public string FromUserName { get; set; }          /// <summary>          /// 时间          /// </summary>          public string CreateTime { get; set; }          /// <summary>          /// 类型          /// </summary>          public string MsgType { get; set; }          /// <summary>          /// 事件          /// </summary>          public string Event { get; set; }            public string EventKey { get; set; }      }    public class WxTextMsg      {          /// <summary>          /// 接收人          /// </summary>          public string ToUserName { get; set; }          /// <summary>          /// 发送人          /// </summary>          public string FromUserName { get; set; }          /// <summary>          /// 时间          /// </summary>          public long CreateTime { get; set; }          /// <summary>          /// 类型          /// </summary>          public string MsgType { get; set; }          /// <summary>          /// 内容          /// </summary>          public string Content { get; set; }      }

//XML和实体对象间的相互转化  namespace ElegantWM.WebUI.Areas.WeiXin  {      public class XmlEntityExchange<T> where T : new()      {          /// <summary>          /// 将XML转换为对象          /// </summary>          /// <param name="xml"></param>          /// <returns></returns>          public static T ConvertXml2Entity(string xml)          {              XmlDocument doc = new XmlDocument();              PropertyInfo[] propinfos = null;              doc.LoadXml(xml);              XmlNodeList nodelist = doc.SelectNodes("/xml");              T entity = new T();              foreach (XmlNode node in nodelist)              {                  //初始化propertyinfo                  if (propinfos == null)                  {                      Type objtype = entity.GetType();                      propinfos = objtype.GetProperties();                  }                  //填充entity类的属性                  foreach (PropertyInfo pi in propinfos)                  {                      XmlNode cnode = node.SelectSingleNode(pi.Name);                      pi.SetValue(entity, Convert.ChangeType(cnode.InnerText, pi.PropertyType), null);                  }              }              return entity;          }            /// <summary>          /// 构造微信消息          /// </summary>          /// <param name="t">对象实体</param>          /// <returns>返回微信消息xml格式</returns>          public static string ConvertEntity2Xml(T t)          {              StringBuilder builder = new StringBuilder();              builder.Append("<xml>");              Type objtype = t.GetType();              //填充entity类的属性              foreach (PropertyInfo pi in objtype.GetProperties())              {                  object obj = pi.GetValue(t);                  string value = obj == null ? "" : obj.ToString();                  if (pi.PropertyType.Name.ToLower() == "int64")                      builder.Append("<" + pi.Name + ">" + value + "</" + pi.Name + ">");                  else                      builder.Append("<" + pi.Name + "><![CDATA[" + value + "]]></" + pi.Name + ">");              }              builder.Append("</xml>");              return builder.ToString();          }      }  }

基础类：http请求

/* *   * Copyright © 2013 CCT All Rights Reserved    * 作者：JackChain    * 时间：2013/8/23 18:21:23   * 功能：跨域访问   * 版本：V1.0   *   * 修改人：   * 修改点：   * */namespace ElegantWM.Tools  {    public class HttpCrossDomain      {        /// <summary>          /// 跨域访问        /// </summary>          /// <param name="url"></param>          /// <param name="param"></param>          /// <returns></returns>          public static string Post(string url, string param, int time = 60000)          {              Uri address = new Uri(url);              HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;              request.Method = "POST";              request.ContentType = "application/json;charset=utf-8"; //"application/x-www-form-urlencoded";              request.Timeout = time;            byte[] byteData = UTF8Encoding.UTF8.GetBytes(param == null ? "" : param);              request.ContentLength = byteData.Length;            using (Stream postStream = request.GetRequestStream())              {                  postStream.Write(byteData, 0, byteData.Length);              }            string result = "";            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)              {                  StreamReader reader = new StreamReader(response.GetResponseStream());                  result = reader.ReadToEnd();              }            return (result);          }        /// <summary>          /// 跨域访问        /// </summary>          /// <param name="url"></param>          /// <param name="param"></param>          /// <returns></returns>          public static string Get(string url, int time = 60000)          {              Uri address = new Uri(url);              HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;              request.Method = "GET";              request.ContentType = "application/json;charset=utf-8"; //"application/x-www-form-urlencoded";              request.Timeout = time;            string result = "";            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)              {                  StreamReader reader = new StreamReader(response.GetResponseStream());                  result = reader.ReadToEnd();              }            return (result);          }        }  }

获取Token：

public class CommonController : Controller      {          /// <summary>          /// 获取微信凭证          /// </summary>          /// <returns></returns>          public JsonResult GetWxCredential()          {              string url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}";              url = string.Format(url, ConfigurationManager.AppSettings["AppId"], ConfigurationManager.AppSettings["AppSecret"]);              string rst = HttpCrossDomain.Get(url);              if (rst.Contains("access_token"))              {                  string tokenId=rst.Replace("{\"access_token\":\"", "").Replace("\",\"expires_in\":7200}", "");                  CacheHelper.CacheInsertAddMinutes("access_token",tokenId,120);                  return Json(tokenId, JsonRequestBehavior.AllowGet);              }              else                  return Json(rst, JsonRequestBehavior.AllowGet);          }      }

获取和更新菜单

/// <summary>          /// 获取微信菜单          /// </summary>          /// <returns></returns>          public JsonResult Get()          {              string url = "https://api.weixin.qq.com/cgi-bin/menu/get?access_token=";              if (CacheHelper.CacheValue("access_token") != null)              {                  url = url + CacheHelper.CacheValue("access_token").ToString();              }              string rst = HttpCrossDomain.Get(url);              return Json(rst,JsonRequestBehavior.AllowGet);          }          /// <summary>          /// 创建Menu          /// </summary>          /// <param name="json"></param>          /// <returns></returns>          [HttpPost]          public JsonResult Create(string json)          {              string url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=";              if (CacheHelper.CacheValue("access_token") != null)              {                  url = url+CacheHelper.CacheValue("access_token").ToString();              }              string rst = HttpCrossDomain.Post(url, json);              return Json(rst);          }

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