代码如下，有需要的可以参考：
using System;
using System.Collections.Generic;
using System.Linq;
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 Newtonsoft.Json.Linq;
using System.Net.Security; namespace SY.Web.weixinApp
{
public partial class Token_url : System.Web.UI.Page
{
protected string Token = "";//你的token 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, , (int)s.Length); postStr = System.Text.Encoding.UTF8.GetString(b);
string _resStr = ""; if (!string.IsNullOrEmpty(postStr))
{
_resStr = ResponseMsg(postStr);
WriteFileLog(postStr);
}
Response.Write(_resStr);
Response.End();
} else
{
Valid(); //正确响应微信发送的Token验证
} } /// <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;
}
} //正确响应微信发送的Token验证
private void Valid()
{ string echoStr = Request.QueryString["echoStr"].ToString(); if (CheckSignature())
{
if (!string.IsNullOrEmpty(echoStr))
{
Response.Write(echoStr);
Response.End();
}
} } /// <summary>
/// 返回信息结果(微信信息返回)
/// </summary>
/// <param name="weixinXML"></param>
private string ResponseMsg(string weixinXML)
{
XmlDocument xx = new XmlDocument();
xx.LoadXml(weixinXML); XmlNode root = xx.SelectSingleNode("xml"); XmlNode _ToName = root.SelectSingleNode("ToUserName");
XmlNode _FromName = root.SelectSingleNode("FromUserName");
XmlNode _CreatTime = root.SelectSingleNode("CreateTime");
XmlNode _MsgType = root.SelectSingleNode("MsgType"); #region Click/View 事件处理
if (_MsgType.InnerText == "event")
{
XmlNode _Event = root.SelectSingleNode("Event");
XmlNode _EventKey = root.SelectSingleNode("EventKey");
if (_Event.InnerText == "subscribe")
{
//关注后返回信息代码
_returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[欢迎关注！]]></Content></xml>"; return _returnStr; } #region click事件
if (_Event.InnerText == "CLICK")
{ //请求和客服对话，关键词：rgfw
if (_EventKey.InnerText == "rgfw")
{
//文字信息
_returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[transfer_customer_service]]></MsgType></xml>";
return _returnStr;
}
else
{
//关键词：piclist自动回复图文信息
if (_EventKey.InnerText == "piclist")
{
DataTable dt = new DataTable();
dt = dal.GetList(, "CID=525", "ID desc"); //获取需要回复的图文信息列表
StringBuilder sbpic = new StringBuilder();
if (dt != null && dt.Rows.Count > )
{
sbpic.Append("<xml>");
sbpic.AppendFormat("<ToUserName><![CDATA[{0}]]></ToUserName>", _FromName.InnerText);
sbpic.AppendFormat("<FromUserName><![CDATA[{0}]]></FromUserName>", _ToName.InnerText);
sbpic.AppendFormat("<CreateTime><![CDATA[{0}]]></CreateTime>", ConvertDateTimeInt(DateTime.Now));
sbpic.AppendFormat("<MsgType><![CDATA[{0}]]></MsgType>", "news");
sbpic.AppendFormat("<ArticleCount><![CDATA[{0}]]></ArticleCount>", dt.Rows.Count);
sbpic.Append("<Articles>");
foreach (DataRow dr in dt.Rows)
{
sbpic.Append("<item>");
sbpic.AppendFormat("<Title><![CDATA[{0}]]></Title>", dr["Title"]); //标题
sbpic.AppendFormat("<Description><![CDATA[{0}]]></Description>", dr["Des"]); //导读
sbpic.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl>", "http://www.xxx.com/" + dr["Pic"]); //图片地址url
sbpic.AppendFormat("<Url><![CDATA[{0}]]></Url>", "http://www.xxx.com/test.aspx?id=" + dr["ID"]); //原文链接
sbpic.Append("</item>");
} sbpic.Append("</Articles></xml>"); _returnStr = sbpic.ToString();
return _returnStr;
}
} }
}
#endregion }
#endregion #region View事件 关键词自动回复文字或图片信息处理
if (_MsgType.InnerText == "text")
{
XmlNode _Content = root.SelectSingleNode("Content"); //关键词：rgfw请求和客服对话，
if (!string.IsNullOrEmpty(_Content.InnerText) && _Content.InnerText == "rgfw")
{
_returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[transfer_customer_service]]></MsgType></xml>";
return _returnStr;
}
else
{
//文字信息
_returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[文字信息]]></Content></xml>";
return _returnStr;
} }
#endregion return _returnStr;
} /// <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(, , ));
long lTime = long.Parse(timeStamp + "");
TimeSpan toNow = new TimeSpan(lTime);
return dtStart.Add(toNow);
} /// <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(, , ));
return (int)(time - startTime).TotalSeconds;
} /// <summary>
/// 写入文件日志
/// </summary>
/// <param name="strMemo"></param>
private void WriteFileLog(string strMemo)
{
string _filepath = Server.MapPath("/logs");
string _filename = Server.MapPath("/logs/logs.log"); if (!Directory.Exists(_filepath))
{
Directory.CreateDirectory(_filepath);
if (!File.Exists(_filename))
{
FileStream fs1 = File.Create(_filename);
fs1.Close();
fs1.Dispose();
}
} //将文件信息读入流中
using (FileStream fs = new FileStream(_filename, FileMode.OpenOrCreate | FileMode.Append))
{
lock (fs)//锁住流
{
//if (!fs.CanWrite)
//{
// throw new System.Security.SecurityException("文件fileName=" + _filename + "是只读文件不能写入!");
//} StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(strMemo);
sw.Dispose();
sw.Close();
}
} } }
}