{"button":[{    "type":"click","name":"今日歌曲","key":"V1001_TODAY_MUSIC"},{"type":"click","name":"歌手简介","key":"V1001_TODAY_SINGER"},{"name":"菜单","sub_button":[{    "type":"view","name":"搜索","url":"http://www.soso.com/"},{"type":"view","name":"视频","url":"http://v.qq.com/"},{"type":"click","name":"赞一下我们","key":"V1001_GOOD"}]}]}

<xml>
<ToUserName><![CDATA[toUser]]></ToUserName>
<FromUserName><![CDATA[FromUser]]></FromUserName>
<CreateTime>123456789</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[CLICK]]></Event>
<EventKey><![CDATA[EVENTKEY]]></EventKey>
</xml>

       private static DateTime GetAccessToken_Time;/// <summary>/// 过期时间为7200秒/// </summary>private static int Expires_Period = 7200;/// <summary>/// /// </summary>private static string mAccessToken;/// <summary>/// /// </summary>public static string AccessToken{get{//如果为空，或者过期，需要重新获取if (string.IsNullOrEmpty(mAccessToken) || HasExpired()){//获取mAccessToken = GetAccessToken(AppID, AppSecret);}return mAccessToken;}}/// <summary>/// /// </summary>/// <param name="appId"></param>/// <param name="appSecret"></param>/// <returns></returns>private static string GetAccessToken(string appId, string appSecret){string url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", appId, appSecret);string result = HttpUtility.GetData(url);XDocument doc = XmlUtility.ParseJson(result, "root");XElement root = doc.Root;if (root != null){XElement access_token = root.Element("access_token");if (access_token != null){GetAccessToken_Time = DateTime.Now;if (root.Element("expires_in")!=null){Expires_Period = int.Parse(root.Element("expires_in").Value);}return access_token.Value;}else{GetAccessToken_Time = DateTime.MinValue;}}return null;}/// <summary>/// 判断Access_token是否过期/// </summary>/// <returns>bool</returns>private static bool HasExpired(){if (GetAccessToken_Time != null){//过期时间，允许有一定的误差，一分钟。获取时间消耗if (DateTime.Now > GetAccessToken_Time.AddSeconds(Expires_Period).AddSeconds(-60)){return true;}}return false;}

{"button": [{"name": "链接", "sub_button": [{"type": "view", "name": "搜索", "url": "http://www.baidu.com/"}, {"type": "view", "name": "视频", "url": "http://v.qq.com/"}, {"type": "click", "name": "赞一下我们", "key": "BTN_GOOD"}]}, {"name": "查询天气", "sub_button": [{"type": "click", "name": "武汉", "key": "BTN_TQ_WUHAN"}, {"type": "click", "name": "上海", "key": "BTN_TQ_SHANGHAI"}, {"type": "click", "name": "北京", "key": "BTN_TQ_BEIJING"}]}, {"type": "click", "name": "帮助", "key": "BTN_HELP"}]
}

    public class MenuManager{/// <summary>/// 菜单文件路径/// </summary>private static readonly string Menu_Data_Path = System.AppDomain.CurrentDomain.BaseDirectory + "/Data/menu.txt";/// <summary>/// 获取菜单/// </summary>public static string GetMenu(){string url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", Context.AccessToken);return HttpUtility.GetData(url);}/// <summary>/// 创建菜单/// </summary>public static void CreateMenu(string menu){string url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}", Context.AccessToken);//string menu = FileUtility.Read(Menu_Data_Path);
            HttpUtility.SendHttpRequest(url, menu);}/// <summary>/// 删除菜单/// </summary>public static void DeleteMenu(){string url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={0}", Context.AccessToken);HttpUtility.GetData(url);}/// <summary>/// 加载菜单/// </summary>/// <returns></returns>public static string LoadMenu(){return FileUtility.Read(Menu_Data_Path);}}

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Web;namespace Yank.WeiXin.Robot.Utility
{/// <summary>/// Http帮助类/// </summary>class HttpUtility{/// <summary>/// 发送请求/// </summary>/// <param name="url">Url地址</param>/// <param name="data">数据</param>public static string SendHttpRequest(string url, string data){return SendPostHttpRequest(url,"application/x-www-form-urlencoded",data); }/// <summary>/// /// </summary>/// <param name="url"></param>/// <returns></returns>public static string GetData(string url){return SendGetHttpRequest(url,"application/x-www-form-urlencoded"); }/// <summary>/// 发送请求/// </summary>/// <param name="url">Url地址</param>/// <param name="method">方法（post或get）</param>/// <param name="method">数据类型</param>/// <param name="requestData">数据</param>public static string SendPostHttpRequest(string url,string contentType,string requestData){WebRequest request = (WebRequest)HttpWebRequest.Create(url);request.Method = "POST";byte[] postBytes = null;request.ContentType = contentType;postBytes = Encoding.UTF8.GetBytes(requestData);request.ContentLength = postBytes.Length;using (Stream outstream = request.GetRequestStream()){outstream.Write(postBytes, 0, postBytes.Length);}string result = string.Empty;using (WebResponse response = request.GetResponse()){if (response != null){                    using (Stream stream = response.GetResponseStream()){using (StreamReader reader = new StreamReader(stream, Encoding.UTF8)){result = reader.ReadToEnd();}}}}return result;}/// <summary>/// 发送请求/// </summary>/// <param name="url">Url地址</param>/// <param name="method">方法（post或get）</param>/// <param name="method">数据类型</param>/// <param name="requestData">数据</param>public static string SendGetHttpRequest(string url, string contentType){WebRequest request = (WebRequest)HttpWebRequest.Create(url);request.Method = "GET";request.ContentType = contentType;string result = string.Empty;using (WebResponse response = request.GetResponse()){if (response != null){using (Stream stream = response.GetResponseStream()){using (StreamReader reader = new StreamReader(stream, Encoding.UTF8)){result = reader.ReadToEnd();}}}}return result;}
    }
}

using System;
using System.Xml.Linq;
using Newtonsoft.Json;namespace Yank.WeiXin.Robot.Utility
{class XmlUtility{/// <summary>/// /// </summary>/// <param name="json"></param>/// <param name="rootName"></param>/// <returns></returns>public static XDocument ParseJson(string json,string rootName){return JsonConvert.DeserializeXNode(json, rootName);}}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Yank.WeiXin.Robot.Messages;namespace Yank.WeiXin.Robot.Handlers
{class EventHandler : IHandler{/// <summary>/// 请求的xml/// </summary>private string RequestXml { get; set; }/// <summary>/// 构造函数/// </summary>/// <param name="requestXml"></param>public EventHandler(string requestXml){this.RequestXml = requestXml;}/// <summary>/// 处理请求/// </summary>/// <returns></returns>public string HandleRequest(){string response = string.Empty;EventMessage em = EventMessage.LoadFromXml(RequestXml);if (em != null){switch (em.Event.ToLower()){case ("subscribe"):response = SubscribeEventHandler(em);break;case "click":response = ClickEventHandler(em);break;}}return response;}/// <summary>/// 关注/// </summary>/// <param name="em"></param>/// <returns></returns>private string SubscribeEventHandler(EventMessage em){//回复欢迎消息TextMessage tm = new TextMessage();tm.ToUserName = em.FromUserName;tm.FromUserName = em.ToUserName;tm.CreateTime = Common.GetNowTime();tm.Content = "欢迎您关注***，我是大哥大，有事就问我，呵呵！\n\n";return tm.GenerateContent();}/// <summary>/// 处理点击事件/// </summary>/// <param name="em"></param>/// <returns></returns>private string ClickEventHandler(EventMessage em){string result = string.Empty;if (em != null && em.EventKey != null){switch (em.EventKey.ToUpper()){case "BTN_GOOD":result = btnGoodClick(em);break;case "BTN_TQ_BEIJING":result = searchWeather("beijing", em);break;case "BTN_TQ_SHANGHAI":result = searchWeather("shanghai", em);break;case "BTN_TQ_WUHAN":result = searchWeather("wuhai", em);break;case "BTN_HELP":result = btnHelpClick(em);break;}}return result;}/// <summary>/// 赞一下/// </summary>/// <param name="em"></param>/// <returns></returns>private string btnGoodClick(EventMessage em){//回复欢迎消息TextMessage tm = new TextMessage();tm.ToUserName = em.FromUserName;tm.FromUserName = em.ToUserName;tm.CreateTime = Common.GetNowTime();tm.Content = @"谢谢您的支持！";return tm.GenerateContent();}/// <summary>/// 帮助/// </summary>/// <param name="em"></param>/// <returns></returns>private string btnHelpClick(EventMessage em){//回复欢迎消息TextMessage tm = new TextMessage();tm.ToUserName = em.FromUserName;tm.FromUserName = em.ToUserName;tm.CreateTime = Common.GetNowTime();tm.Content = @"查询天气，输入tq 城市名称\拼音\首字母";return tm.GenerateContent();}/// <summary>/// 查询天气/// </summary>/// <param name="cityName"></param>/// <param name="em"></param>/// <returns></returns>private string searchWeather(string cityName, EventMessage em){TextMessage tm = new TextMessage();tm.Content = WeatherHelper.GetWeather(cityName);//进行发送者、接收者转换tm.ToUserName = em.FromUserName;tm.FromUserName = em.ToUserName;tm.CreateTime = Common.GetNowTime();return tm.GenerateContent();}}
}