.NET 微信开放平台接口代码,CSharp代码库,德仔网

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【CSharp】 .NET 微信开放平台接口
作者:石世特 / 发布于2013/4/22/ 1855
1.如果是为了验证微信接口的token是否通过, 将valid注释去掉 2.如果要返回给用户值, 注释掉valid

	<%@ WebHandler Language="C#" Class="WeixinInterface" %>

	

	using System;

	using System.Web;

	public class WeixinInterface : IHttpHandler

	{

	 HttpContext context = null;

	 string postStr = "";

	 public void ProcessRequest(HttpContext param_context)

	 {

	 context = param_context;

	 //以写日志为荣,以打断点为耻.

	 //WriteLog("before valid \n");

	 //valid();//用于验证

	 //WriteLog("after valid, before post \n");

	 if (context.Request.HttpMethod.ToLower() == "post")

	 {

	 System.IO.Stream s = context.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))

	 {

	 responseMsg(postStr);

	 }

	 //WriteLog("-------AfterResponseMsg:-------\n" + postStr);

	 }

	 }

	 public void valid()

	 {

	 var echostr = context.Request["echoStr"].ToString();

	 if (checkSignature() && !string.IsNullOrEmpty(echostr))

	 {

	 context.Response.Write(echostr);

	 context.Response.End();//推送...不然微信平台无法验证token

	 }

	 }

	 public bool checkSignature()

	 {

	 var signature = context.Request["signature"].ToString();

	 var timestamp = context.Request["timestamp"].ToString();

	 var nonce = context.Request["nonce"].ToString();

	 var token = "faketoken";

	 string[] ArrTmp = { token, timestamp, nonce };

	 Array.Sort(ArrTmp); //字典排序

	 string tmpStr = string.Join("", ArrTmp);

	 tmpStr = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");

	 tmpStr = tmpStr.ToLower();

	 if (tmpStr == signature)

	 {

	 return true;

	 }

	 else

	 {

	 return false;

	 }

	 }

	

	 public string GetSha1(System.Collections.Generic.List<string> codelist)

	 {

	 codelist.Sort();

	 var combostr = string.Empty;

	 for (int i = 0; i < codelist.Count; i++)

	 {

	 combostr += codelist[i];

	 }

	 return EncryptToSHA1(combostr);

	 }

	 public string EncryptToSHA1(string str)

	 {

	 System.Security.Cryptography.SHA1CryptoServiceProvider sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider();

	 byte[] str1 = System.Text.Encoding.UTF8.GetBytes(str);

	 byte[] str2 = sha1.ComputeHash(str1);

	 sha1.Clear();

	 (sha1 as IDisposable).Dispose();

	 return Convert.ToBase64String(str2);

	 }

	 public void responseMsg(string postStr)

	 {

	 System.Xml.XmlDocument postObj = new System.Xml.XmlDocument();

	 postObj.LoadXml(postStr);

	 WriteLog("responseMsg:-------" + postStr);

	 var FromUserNameList = postObj.GetElementsByTagName("FromUserName");

	 string FromUserName = string.Empty;

	 for (int i = 0; i < FromUserNameList.Count; i++)

	 {

	 if (FromUserNameList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)

	 {

	 FromUserName = FromUserNameList[i].ChildNodes[0].Value;

	 }

	 }

	 var toUsernameList = postObj.GetElementsByTagName("ToUserName");

	 string ToUserName = string.Empty;

	 for (int i = 0; i < toUsernameList.Count; i++)

	 {

	 if (toUsernameList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)

	 {

	 ToUserName = toUsernameList[i].ChildNodes[0].Value;

	 }

	 }

	 var keywordList = postObj.GetElementsByTagName("Content");

	 string Content = string.Empty;

	 for (int i = 0; i < keywordList.Count; i++)

	 {

	 if (keywordList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)

	 {

	 Content = keywordList[i].ChildNodes[0].Value;

	 }

	 }

	 var time = DateTime.Now;

	 var textpl = "<xml><ToUserName><![CDATA[" + FromUserName + "]]></ToUserName>" +

	 "<FromUserName><![CDATA[" + ToUserName + "]]></FromUserName>" +

	 "<CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType>" +

	 "<Content><![CDATA[欢迎来到微信世界---" + Content + "]]></Content><FuncFlag>0</FuncFlag></xml> ";

	 context.Response.Write(textpl);

	 context.Response.End();

	 }

	

	 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);

	 }

	

	 private int ConvertDateTimeInt(System.DateTime time)

	 {

	 System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));

	 return (int)(time - startTime).TotalSeconds;

	 }

	

	 private void WriteLog(string strMemo)

	 {

	 string filename = "D:/WEBHOME/logs/log.txt";

	 if (!System.IO.Directory.Exists("D:/WEBHOME/logs/"))

	 System.IO.Directory.CreateDirectory("D:/WEBHOME/logs/");

	 System.IO.StreamWriter sr = null;

	 try

	 {

	 if (!System.IO.File.Exists(filename))

	 {

	 sr = System.IO.File.CreateText(filename);

	 }

	 else

	 {

	 sr = System.IO.File.AppendText(filename);

	 }

	 sr.WriteLine(strMemo);

	 }

	 catch

	 {

	 }

	 finally

	 {

	 if (sr != null)

	 sr.Close();

	 }

	 }

	

	 public bool IsReusable

	 {

	 get

	 {

	 return false;

	 }

	 }

	}
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