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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