c#微信开发 转

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using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using System.IO; using System.Net; using System.Text; using System.Xml; using System.Web.Security; using System.Text.RegularExpressions;    namespace WhoLove.weixin {     public partial class weixin : System.Web.UI.Page     {                    const string Token = "nidaye1234";//你的token         #region 以下代码只用于第一次验证  验证完后请注释         //protected void Page_Load(object sender, EventArgs e)         //{         //    string postStr = "";         //    if (Request.HttpMethod.ToLower() == "post")         //    {         //        System.IO.Stream s = System.Web.HttpContext.Current.Request.InputStream;         //        byte[] b = new byte[s.Length];         //        s.Read(b, 0, (int)s.Length);         //        postStr = System.Text.Encoding.UTF8.GetString(b);         //        if (!string.IsNullOrEmpty(postStr))         //        {         //            Response.End();         //        }         //        //WriteLog("postStr:" + postStr);         //    }         //    else         //    {         //        Valid();         //    }         //}         #endregion            #region 以下是正常使用时的pageload  请在验证时将其注释  并保证在正常使用时可用         /// <summary>         /// 以下是正常使用时的pageload  请在验证时将其注释  并保证在正常使用时可用         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Page_Load(object sender, EventArgs e)         {                if (Request.HttpMethod == "POST")             {                 string weixin = "";                 weixin = PostInput();//获取xml数据                 if (!string.IsNullOrEmpty(weixin))                 {                     ResponseMsg(weixin);//调用消息适配器                 }             }         }         #endregion            #region 获取post请求数据         /// <summary>         /// 获取post请求数据         /// </summary>         /// <returns></returns>         private string PostInput()         {             Stream s = System.Web.HttpContext.Current.Request.InputStream;             byte[] b = new byte[s.Length];             s.Read(b, 0, (int)s.Length);             return Encoding.UTF8.GetString(b);         }         #endregion            #region 消息类型适配器         private void ResponseMsg(string weixin)// 服务器响应微信请求         {             XmlDocument doc = new XmlDocument();             doc.LoadXml(weixin);//读取xml字符串             XmlElement root = doc.DocumentElement;             ExmlMsg xmlMsg = GetExmlMsg(root);             //XmlNode MsgType = root.SelectSingleNode("MsgType");             //string messageType = MsgType.InnerText;             string messageType = xmlMsg.MsgType;//获取收到的消息类型。文本(text)，图片(image)，语音等。                     try             {                                    switch (messageType)                 {                     //当消息为文本时                     case "text":                         textCase(xmlMsg);                         break;                     case "event":                         if (!string.IsNullOrEmpty(xmlMsg.EventName) && xmlMsg.EventName.Trim() == "subscribe")                         {                             //刚关注时的时间，用于欢迎词                              int nowtime = ConvertDateTimeInt(DateTime.Now);                             string msg = "你要关注我，我有什么办法。随便发点什么试试吧~~~";                             string resxml = "<xml><ToUserName><![CDATA[" + xmlMsg.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + xmlMsg.ToUserName + "]]></FromUserName><CreateTime>" + nowtime + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[" + msg + "]]></Content><FuncFlag>0</FuncFlag></xml>";                             Response.Write(resxml);                         }                         break;                     case "image":                         break;                     case "voice":                         break;                     case "vedio":                         break;                     case "location":                         break;                     case "link":                         break;                     default:                         break;                 }                 Response.End();             }             catch (Exception)             {                }         }         #endregion            private string getText(ExmlMsg xmlMsg)         {             string con = xmlMsg.Content.Trim();                System.Text.StringBuilder retsb = new StringBuilder(200);             retsb.Append("这里放你的业务逻辑");             retsb.Append("接收到的消息："+ xmlMsg.Content);             retsb.Append("用户的OPEANID："+ xmlMsg.FromUserName);                            return retsb.ToString();         }               #region 操作文本消息 + void textCase(XmlElement root)         private void textCase(ExmlMsg xmlMsg)         {                 int nowtime = ConvertDateTimeInt(DateTime.Now);             string msg = "";             msg = getText(xmlMsg);             string resxml = "<xml><ToUserName><![CDATA[" + xmlMsg.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + xmlMsg.ToUserName + "]]></FromUserName><CreateTime>" + nowtime + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[" + msg + "]]></Content><FuncFlag>0</FuncFlag></xml>";             Response.Write(resxml);            }         #endregion            #region 将datetime.now 转换为 int类型的秒         /// <summary>         /// datetime转换为unixtime         /// </summary>         /// <param name="time"></param>         /// <returns></returns>         private int ConvertDateTimeInt(System.DateTime time)         {             System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));             return (int)(time - startTime).TotalSeconds;         }         private int converDateTimeInt(System.DateTime time)         {             System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));             return (int)(time - startTime).TotalSeconds;         }            /// <summary>         /// unix时间转换为datetime         /// </summary>         /// <param name="timeStamp"></param>         /// <returns></returns>         private DateTime UnixTimeToTime(string timeStamp)         {             DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));             long lTime = long.Parse(timeStamp + "0000000");             TimeSpan toNow = new TimeSpan(lTime);             return dtStart.Add(toNow);         }         #endregion            #region 验证微信签名 保持默认即可         /// <summary>         /// 验证微信签名         /// </summary>         /// * 将token、timestamp、nonce三个参数进行字典序排序         /// * 将三个参数字符串拼接成一个字符串进行sha1加密         /// * 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信。         /// <returns></returns>         private bool CheckSignature()         {             string signature = Request.QueryString["signature"].ToString();             string timestamp = Request.QueryString["timestamp"].ToString();             string nonce = Request.QueryString["nonce"].ToString();             string[] ArrTmp = { Token, timestamp, nonce };             Array.Sort(ArrTmp);     //字典排序             string tmpStr = string.Join("", ArrTmp);             tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");             tmpStr = tmpStr.ToLower();             if (tmpStr == signature)             {                 return true;             }             else             {                 return false;             }         }            private void Valid()         {             string echoStr = Request.QueryString["echoStr"].ToString();             if (CheckSignature())             {                 if (!string.IsNullOrEmpty(echoStr))                 {                     Response.Write(echoStr);                     Response.End();                 }             }         }         #endregion            #region 写日志(用于跟踪) ＋　WriteLog(string strMemo, string path = "*****")         /// <summary>         /// 写日志(用于跟踪)         /// 如果log的路径修改,更改path的默认值         /// </summary>         private void WriteLog(string strMemo, string path = "wx.txt")         {             string filename = Server.MapPath(path);             StreamWriter sr = null;             try             {                 if (!File.Exists(filename))                 {                     sr = File.CreateText(filename);                 }                 else                 {                     sr = File.AppendText(filename);                 }                 sr.WriteLine(strMemo);             }             catch             {                }             finally             {                 if (sr != null)                     sr.Close();             }         }         //#endregion         #endregion            #region 接收的消息实体类 以及 填充方法         private class ExmlMsg         {             /// <summary>             /// 本公众账号             /// </summary>             public string ToUserName { get; set; }             /// <summary>             /// 用户账号             /// </summary>             public string FromUserName { get; set; }             /// <summary>             /// 发送时间戳             /// </summary>             public string CreateTime { get; set; }             /// <summary>             /// 发送的文本内容             /// </summary>             public string Content { get; set; }             /// <summary>             /// 消息的类型             /// </summary>             public string MsgType { get; set; }             /// <summary>             /// 事件名称             /// </summary>             public string EventName { get; set; }            }            private ExmlMsg GetExmlMsg(XmlElement root)         {             ExmlMsg xmlMsg = new ExmlMsg() {                 FromUserName = root.SelectSingleNode("FromUserName").InnerText,                 ToUserName = root.SelectSingleNode("ToUserName").InnerText,                 CreateTime = root.SelectSingleNode("CreateTime").InnerText,                 MsgType = root.SelectSingleNode("MsgType").InnerText,                           };             if (xmlMsg.MsgType.Trim().ToLower() == "text")             {                 xmlMsg.Content = root.SelectSingleNode("Content").InnerText;             }             else if (xmlMsg.MsgType.Trim().ToLower() == "event")             {                 xmlMsg.EventName = root.SelectSingleNode("Event").InnerText;             }             return xmlMsg;         }         #endregion     }   }