/// <summary>/// MD5UtilHelper 的摘要說(shuō)明。/// </summary>public class MD5UtilHelper{  public MD5UtilHelper()  {    //    // TODO: 在此處添加構(gòu)造函數(shù)邏輯    //  }  /// <summary>      /// 獲取大寫(xiě)的MD5簽名結(jié)果  /// </summary>  /// <param name="encypStr"></param>  /// <param name="charset"></param>  /// <returns></returns>  public static string GetMD5(string encypStr, string charset)  {    string retStr;    MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();    //創(chuàng)建md5對(duì)象    byte[] inputBye;    byte[] outputBye;    //使用GB2312編碼方式把字符串轉(zhuǎn)化為字節(jié)數(shù)組．    try    {      inputBye = Encoding.GetEncoding(charset).GetBytes(encypStr);    }    catch (Exception ex)    {      inputBye = Encoding.GetEncoding("GB2312").GetBytes(encypStr);    }    outputBye = m5.ComputeHash(inputBye);    retStr = System.BitConverter.ToString(outputBye);    retStr = retStr.Replace("-", "").ToUpper();    return retStr;  }}

public class RequestHandler  {    public RequestHandler(HttpContext httpContext)    {      Parameters = new Hashtable();      this.HttpContext = httpContext ?? HttpContext.Current;    }    /// <summary>    /// 密鑰    /// </summary>    private string Key;    protected HttpContext HttpContext;    /// <summary>    /// 請(qǐng)求的參數(shù)    /// </summary>    protected Hashtable Parameters;    /// <summary>    /// debug信息    /// </summary>    private string DebugInfo;    /// <summary>    /// 初始化函數(shù)    /// </summary>    public virtual void Init()    {    }    /// <summary>    /// 獲取debug信息    /// </summary>    /// <returns></returns>    public String GetDebugInfo()    {      return DebugInfo;    }    /// <summary>    /// 獲取密鑰    /// </summary>    /// <returns></returns>    public string GetKey()    {      return Key;    }    /// <summary>    /// 設(shè)置密鑰    /// </summary>    /// <param name="key"></param>    public void SetKey(string key)    {      this.Key = key;    }    /// <summary>    /// 設(shè)置參數(shù)值    /// </summary>    /// <param name="parameter"></param>    /// <param name="parameterValue"></param>    public void SetParameter(string parameter, string parameterValue)    {      if (parameter != null && parameter != "")      {        if (Parameters.Contains(parameter))        {          Parameters.Remove(parameter);        }        Parameters.Add(parameter, parameterValue);      }    }    /// <summary>    /// 創(chuàng)建md5摘要,規(guī)則是:按參數(shù)名稱(chēng)a-z排序,遇到空值的參數(shù)不參加簽名    /// </summary>    /// <param name="key">參數(shù)名</param>    /// <param name="value">參數(shù)值</param>    /// key和value通常用于填充最后一組參數(shù)    /// <returns></returns>    public virtual string CreateMd5Sign(string key, string value)    {      StringBuilder sb = new StringBuilder();      ArrayList akeys = new ArrayList(Parameters.Keys);      akeys.Sort();      foreach (string k in akeys)      {        string v = (string)Parameters[k];        if (null != v && "".CompareTo(v) != 0          && "sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)        {          sb.Append(k + "=" + v + "&");        }      }      sb.Append(key + "=" + value);      string sign = MD5UtilHelper.GetMD5(sb.ToString(), GetCharset()).ToUpper();      return sign;    }    /// <summary>    /// 輸出XML    /// </summary>    /// <returns></returns>    public string ParseXML()    {      StringBuilder sb = new StringBuilder();      sb.Append("<xml>");      foreach (string k in Parameters.Keys)      {        string v = (string)Parameters[k];        if (Regex.IsMatch(v, @"^[0-9.]$"))        {          sb.Append("<" + k + ">" + v + "</" + k + ">");        }        else        {          sb.Append("<" + k + "><![CDATA[" + v + "]]></" + k + ">");        }      }      sb.Append("</xml>");      return sb.ToString();    }    /// <summary>    /// 設(shè)置debug信息    /// </summary>    /// <param name="debugInfo"></param>    public void SetDebugInfo(String debugInfo)    {      this.DebugInfo = debugInfo;    }    public Hashtable GetAllParameters()    {      return this.Parameters;    }    protected virtual string GetCharset()    {      return this.HttpContext.Request.ContentEncoding.BodyName;    }  }

 /// <summary> /// 企業(yè)號(hào)微信支付接口 /// </summary> public static class TenPay {   #region 企業(yè)向用戶(hù)發(fā)紅包   /// <summary>   /// 用于企業(yè)向微信用戶(hù)個(gè)人發(fā)紅包   /// 目前支持向指定微信用戶(hù)的openid個(gè)人發(fā)紅包   /// </summary>   /// <param name="certPassword">apiclient_cert.p12證書(shū)密碼即商戶(hù)號(hào)</param>   /// <param name="data">微信支付需要post的xml數(shù)據(jù)</param>   /// <param name="certPath">apiclient_cert.p12的證書(shū)物理位置(例如：E:/projects/文檔/微信商戶(hù)平臺(tái)證書(shū)/商戶(hù)平臺(tái)API證書(shū)</param>   /// <param name="timeOut"></param>   /// <returns></returns>   public static string Sendredpack(string data, string certPassword,string certPath, int timeOut = Config.TIME_OUT)   {     var urlFormat = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";     string cert = certPath;     ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);     X509Certificate2 cer = new X509Certificate2(cert, certPassword, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet);     var formDataBytes = data == null ? new byte[0] : Encoding.UTF8.GetBytes(data);     MemoryStream ms = new MemoryStream();     ms.Write(formDataBytes, 0, formDataBytes.Length);     ms.Seek(0, SeekOrigin.Begin);//設(shè)置指針讀取位置     HttpWebRequest request = (HttpWebRequest)WebRequest.Create(urlFormat);     request.ClientCertificates.Add(cer);     request.Method = "POST";     request.Timeout = timeOut;     request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36";     #region 輸入二進(jìn)制流     if (ms != null)     {       ms.Position = 0;       //直接寫(xiě)入流       Stream requestStream = request.GetRequestStream();       byte[] buffer = new byte[1024];       int bytesRead = 0;       while ((bytesRead = ms.Read(buffer, 0, buffer.Length)) != 0)       {         requestStream.Write(buffer, 0, bytesRead);       }       ms.Close();//關(guān)閉文件訪(fǎng)問(wèn)     }     #endregion     HttpWebResponse response = (HttpWebResponse)request.GetResponse();     using (Stream responseStream = response.GetResponseStream())     {       using (StreamReader myStreamReader = new StreamReader(responseStream, Encoding.GetEncoding("utf-8")))       {         string retString = myStreamReader.ReadToEnd();         return retString;       }     }   }   private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)   {     if (errors == SslPolicyErrors.None)       return true;     return false;   }   #endregion }

#region 發(fā)送紅包bool fals = false;  //記錄發(fā)送紅包是否成功string xmlResult = null; //現(xiàn)金紅包接口返回的xmlstring certPath = null; //證書(shū)在服務(wù)器的物理位置string data = null; //調(diào)用現(xiàn)金紅包接口需要的數(shù)據(jù)try{  //創(chuàng)建支付應(yīng)答對(duì)象  RequestHandler packageReqHandler = new RequestHandler(null);  //初始化  packageReqHandler.Init();  string nonceStr = TenPayV3Util.GetNoncestr(); //時(shí)間戳  //設(shè)置package訂單參數(shù)  packageReqHandler.SetParameter("nonce_str", nonceStr);  //隨機(jī)字符串，不長(zhǎng)于32位  packageReqHandler.SetParameter("mch_billno", System.Configuration.ConfigurationManager.AppSettings["TenPayV3_MchId"] + model.JournalNumber);//商戶(hù)訂單號(hào)（每個(gè)訂單號(hào)必須唯一）組成：mch_id+yyyymmdd+10位一天內(nèi)不能重復(fù)的數(shù)字。接口根據(jù)商戶(hù)訂單號(hào)支持重入，如出現(xiàn)超時(shí)可再調(diào)用。  packageReqHandler.SetParameter("mch_id", System.Configuration.ConfigurationManager.AppSettings["TenPayV3_MchId"]); //微信支付分配的商戶(hù)號(hào)  packageReqHandler.SetParameter("wxappid", System.Configuration.ConfigurationManager.AppSettings["TenPayV3_AppId"]);//微信分配的公眾賬號(hào)ID（企業(yè)號(hào)corpid即為此appId）。接口傳入的所有appid應(yīng)該為公眾號(hào)的appid（在mp.weixin.qq.com申請(qǐng)的），不能為APP的appid（在open.weixin.qq.com申請(qǐng)的）。   packageReqHandler.SetParameter("send_name", "測(cè)試");//商戶(hù)名稱(chēng)  packageReqHandler.SetParameter("re_openid", model.BankCard); //用戶(hù)openid 接受紅包的用戶(hù)用戶(hù)在wxappid下的openid  packageReqHandler.SetParameter("total_amount", Convert.ToInt32((decimal)(model.Amount * 100M)).ToString(CultureInfo.InvariantCulture)); //付款金額 單位分  packageReqHandler.SetParameter("total_num", "1"); //紅包發(fā)放總?cè)藬?shù)  packageReqHandler.SetParameter("wishing", "測(cè)試紅包"); //紅包祝福語(yǔ)  packageReqHandler.SetParameter("client_ip", HttpContext.Current.Request.UserHostAddress);//Ip地址  packageReqHandler.SetParameter("act_name", "測(cè)試紅包");//活動(dòng)名稱(chēng)  packageReqHandler.SetParameter("remark", "測(cè)試紅包");   //備注  string sign = packageReqHandler.CreateMd5Sign("key", System.Configuration.ConfigurationManager.AppSettings["TenPayV3_Key"]);  packageReqHandler.SetParameter("sign", sign);            //簽名  data = packageReqHandler.ParseXML();  certPath = Server.MapPath("~/") + System.Configuration.ConfigurationManager.AppSettings["certPath"];  xmlResult = Sendredpack(data, System.Configuration.ConfigurationManager.AppSettings["TenPayV3_MchId"],certPath);  var res = XDocument.Parse(xmlResult);  string return_code = res.Element("xml").Element("return_code").Value;  if ("SUCCESS".Equals(return_code))  {    string result_code = res.Element("xml").Element("result_code").Value;    if ("SUCCESS".Equals(result_code))    {      fals = true;    }  }}catch (Exception exception){}#endregion