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?#pragma checksum "D:\wwwroot\zgyzd233com\wwwroot\App_Code\AlipaySubmit.cs" "{406ea660-64cf-4c82-b6f0-42d48172a799}" "9F44C35BA9820B43C6D493130B59917A"

#line 1 "D:\wwwroot\zgyzd233com\wwwroot\App_Code\AlipaySubmit.cs"
using System.Web;
using System.Text;
using System.IO;
using System.Net;
using System;
using System.Collections.Generic;
using System.Xml;

namespace Com.Alipay
{
    /// <summary>
    /// 类名：Submit
    /// 职能：支付宝各接口要求提交类
    /// 具体：机关支付宝各接口表单HTML文本，获取远程HTTP数据
    /// 版本：3.3
    /// 批改日期：2011-07-05
    /// 注明：
    /// 以下代码只是为了方便商户测试而提供的样例代码，商户能够凭据自己网站的必要，依照技术文档编写,并非肯定要使用该代码。
    /// 该代码仅供进建和钻研支付宝接口使用，只是提供一个参考
    /// </summary>
    public class Submit
    {
        #region 字段
        //支付宝网关地址（新）
        private static string GATEWAY_NEW = "https://mapi.alipay.com/gateway.do?";
        //商户的私钥
        private static string _key = "";
        //编码体式
        private static string _input_charset = "";
        //署名方式
        private static string _sign_type = "";
        #endregion

        static Submit()
        {
            _key = Config.Key.Trim();
            _input_charset = Config.Input_charset.Trim().ToLower();
            _sign_type = Config.Sign_type.Trim().ToUpper();
        }

        /// <summary>
        /// 天生要求时的署名
        /// </summary>
        /// <param name="sPara">要求给支付宝的参数数组</param>
        /// <returns>署名了局</returns>
        private static string BuildRequestMysign(Dictionary<string, string> sPara)
        {
            //把数组所有元素，依照“参数=参数值”的模式用“&”字符拼接成字符串
            string prestr = Core.CreateLinkString(sPara);

            //把最终的字符串署名，获得署名了局
            string mysign = "";
            switch (_sign_type)
            {
                case "MD5":
                    mysign = AlipayMD5.Sign(prestr, _key, _input_charset);
                    break;
                default:
                    mysign = "";
                    break;
            }

            return mysign;
        }

        /// <summary>
        /// 天生要要求给支付宝的参数数组
        /// </summary>
        /// <param name="sParaTemp">要求前的参数数组</param>
        /// <returns>要要求的参数数组</returns>
        private static Dictionary<string, string> BuildRequestPara(SortedDictionary<string, string> sParaTemp)
        {
            //待署名要求参数数组
            Dictionary<string, string> sPara = new Dictionary<string, string>();
            //署名了局
            string mysign = "";

            //过滤署名参数数组
            sPara = Core.FilterPara(sParaTemp);

            //获得署名了局
            mysign = BuildRequestMysign(sPara);

            //署名了局与署名方式参与要求提交参数组中
            sPara.Add("sign", mysign);
            sPara.Add("sign_type", _sign_type);

            return sPara;
        }

        /// <summary>
        /// 天生要要求给支付宝的参数数组
        /// </summary>
        /// <param name="sParaTemp">要求前的参数数组</param>
        /// <param name="code">字符编码</param>
        /// <returns>要要求的参数数组字符串</returns>
        private static string BuildRequestParaToString(SortedDictionary<string, string> sParaTemp, Encoding code)
        {
            //待署名要求参数数组
            Dictionary<string, string> sPara = new Dictionary<string, string>();
            sPara = BuildRequestPara(sParaTemp);

            //把参数组中所有元素，依照“参数=参数值”的模式用“&”字符拼接成字符串，并对参数值做urlencode
            string strRequestData = Core.CreateLinkStringUrlencode(sPara, code);

            return strRequestData;
        }

        /// <summary>
        /// 成立要求，以表单HTML大局机关（默认）
        /// </summary>
        /// <param name="sParaTemp">要求参数数组</param>
        /// <param name="strMethod">提交方式。两个值可。簆ost、get</param>
        /// <param name="strButtonValue">确认按钮显示文字</param>
        /// <returns>提交表单HTML文本</returns>
        public static string BuildRequest(SortedDictionary<string, string> sParaTemp, string strMethod, string strButtonValue)
        {
            //待要求参数数组
            Dictionary<string, string> dicPara = new Dictionary<string, string>();
            dicPara = BuildRequestPara(sParaTemp);

            StringBuilder sbHtml = new StringBuilder();

            sbHtml.Append("<form id='alipaysubmit' name='alipaysubmit' action='" + GATEWAY_NEW + "_input_charset=" + _input_charset + "' method='" + strMethod.ToLower().Trim() + "'>");

            foreach (KeyValuePair<string, string> temp in dicPara)
            {
                sbHtml.Append("<input type='hidden' name='" + temp.Key + "' value='" + temp.Value + "'/>");
            }

            //submit按钮控件请不要含有name属性
            sbHtml.Append("<input type='submit' value='" + strButtonValue + "' style='display:none;'></form>");

            sbHtml.Append("<script>document.forms['alipaysubmit'].submit();</script>");

            return sbHtml.ToString();
        }


        /// <summary>
        /// 成立要求，以仿照远程HTTP的POST要求方式机关并获取支付宝的处置了局
        /// </summary>
        /// <param name="sParaTemp">要求参数数组</param>
        /// <returns>支付宝处置了局</returns>
        public static string BuildRequest(SortedDictionary<string, string> sParaTemp)
        {
            Encoding code = Encoding.GetEncoding(_input_charset);

            //待要求参数数组字符串
            string strRequestData = BuildRequestParaToString(sParaTemp,code);

            //把数组转换成流中所需字节数组类型
            byte[] bytesRequestData = code.GetBytes(strRequestData);

            //机关要求地址
            string strUrl = GATEWAY_NEW + "_input_charset=" + _input_charset;

            //要求远程HTTP
            string strResult = "";
            try
            {
                //设置HttpWebRequest根基信息
                HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(strUrl);
                myReq.Method = "post";
                myReq.ContentType = "application/x-www-form-urlencoded";

                //填充POST数据
                myReq.ContentLength = bytesRequestData.Length;
                Stream requestStream = myReq.GetRequestStream();
                requestStream.Write(bytesRequestData, 0, bytesRequestData.Length);
                requestStream.Close();

                //发送POST数据要求服务器
                HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
                Stream myStream = HttpWResp.GetResponseStream();

                //获取服务器返回信息
                StreamReader reader = new StreamReader(myStream, code);
                StringBuilder responseData = new StringBuilder();
                String line;
                while ((line = reader.ReadLine()) != null)
                {
                    responseData.Append(line);
                }

                //开释
                myStream.Close();

                strResult = responseData.ToString();
            }
            catch (Exception exp)
            {
                strResult = "报错："+exp.Message;
            }

            return strResult;
        }

        /// <summary>
        /// 成立要求，以仿照远程HTTP的POST要求方式机关并获取支付宝的处置了局，带文件上传职能
        /// </summary>
        /// <param name="sParaTemp">要求参数数组</param>
        /// <param name="strMethod">提交方式。两个值可。簆ost、get</param>
        /// <param name="fileName">文件绝对蹊径</param>
        /// <param name="data">文件数据</param>
        /// <param name="contentType">文件内容类型</param>
        /// <param name="lengthFile">文件长度</param>
        /// <returns>支付宝处置了局</returns>
        public static string BuildRequest(SortedDictionary<string, string> sParaTemp, string strMethod, string fileName, byte[] data, string contentType, int lengthFile)
        {

            //待要求参数数组
            Dictionary<string, string> dicPara = new Dictionary<string, string>();
            dicPara = BuildRequestPara(sParaTemp);

            //机关要求地址
            string strUrl = GATEWAY_NEW + "_input_charset=" + _input_charset;

            //设置HttpWebRequest根基信息
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(strUrl);
            //设置要求方式：get、post
            request.Method = strMethod;
            //设置boundaryValue
            string boundaryValue = DateTime.Now.Ticks.ToString("x");
            string boundary = "--" + boundaryValue;
            request.ContentType = "\r\nmultipart/form-data; boundary=" + boundaryValue;
            //设置KeepAlive
            request.KeepAlive = true;
            //设置要求数据，拼接成字符串
            StringBuilder sbHtml = new StringBuilder();
            foreach (KeyValuePair<string, string> key in dicPara)
            {
                sbHtml.Append(boundary + "\r\nContent-Disposition: form-data; name=\"" + key.Key + "\"\r\n\r\n" + key.Value + "\r\n");
            }
            sbHtml.Append(boundary + "\r\nContent-Disposition: form-data; name=\"withhold_file\"; filename=\"");
            sbHtml.Append(fileName);
            sbHtml.Append("\"\r\nContent-Type: " + contentType + "\r\n\r\n");
            string postHeader = sbHtml.ToString();
            //将要求数据字符串类型凭据编码体式转换成字节流
            Encoding code = Encoding.GetEncoding(_input_charset);
            byte[] postHeaderBytes = code.GetBytes(postHeader);
            byte[] boundayBytes = Encoding.ASCII.GetBytes("\r\n" + boundary + "--\r\n");
            //设置长度
            long length = postHeaderBytes.Length + lengthFile + boundayBytes.Length;
            request.ContentLength = length;

            //要求远程HTTP
            Stream requestStream = request.GetRequestStream();
            Stream myStream;
            try
            {
                //发送数据要求服务器
                requestStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
                requestStream.Write(data, 0, lengthFile);
                requestStream.Write(boundayBytes, 0, boundayBytes.Length);
                HttpWebResponse HttpWResp = (HttpWebResponse)request.GetResponse();
                myStream = HttpWResp.GetResponseStream();
            }
            catch (WebException e)
            {
                return e.ToString();
            }
            finally
            {
                if (requestStream != null)
                {
                    requestStream.Close();
                }
            }

            //读取支付宝返回处置了局
            StreamReader reader = new StreamReader(myStream, code);
            StringBuilder responseData = new StringBuilder();

            String line;
            while ((line = reader.ReadLine()) != null)
            {
                responseData.Append(line);
            }
            myStream.Close();
            return responseData.ToString();
        }

        /// <summary>
        /// 用于防垂钓，挪用接口query_timestamp来获取功夫戳的处置函数
        /// 把稳：远程解析XML犯错，与IIS服务器配置有关
        /// </summary>
        /// <returns>功夫戳字符串</returns>
        public static string Query_timestamp()
        {
            string url = GATEWAY_NEW + "service=query_timestamp&partner=" + Config.Partner + "&_input_charset=" + Config.Input_charset;
            string encrypt_key = "";

            XmlTextReader Reader = new XmlTextReader(url);
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(Reader);

            encrypt_key = xmlDoc.SelectSingleNode("/alipay/response/timestamp/encrypt_key").InnerText;

            return encrypt_key;
        }
    }
}

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