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怎么在c项目中实现一个支付宝支付功能？很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
具体内容如下
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
namespace ZK_ECommerce.Shop.pay.alipay
{
public class AliPay
{
public static string GetMD5(string s, string _input_charset)
{
///
/// 与ASP兼容的MD5加密算法
///
MD5 md5 = new MD5CryptoServiceProvider();
byte[] t = md5.ComputeHash(Encoding.GetEncoding(_input_charset).GetBytes(s));
StringBuilder sb = new StringBuilder(32);
for (int i = 0; i < t.Length; i++)
{
sb.Append(t[i].ToString("x").PadLeft(2, '0'));
}
return sb.ToString();
}
public static string[] BubbleSort(string[] r)
{
///
/// 冒泡排序法
///
int i, j; //交换标志
string temp;
bool exchange;
for (i = 0; i < r.Length; i++) //最多做R.Length-1趟排序
{
exchange = false; //本趟排序开始前，交换标志应为假
for (j = r.Length - 2; j >= i; j--)
{
if (System.String.CompareOrdinal(r[j + 1], r[j]) < 0) //交换条件
{
temp = r[j + 1];
r[j + 1] = r[j];
r[j] = temp;
exchange = true; //发生了交换，故将交换标志置为真
}
}
if (!exchange) //本趟排序未发生交换，提前终止算法
{
break;
}
}
return r;
}
public string CreatUrl(
string gateway,
string service,
string partner,
string sign_type,
string out_trade_no,
string subject,
string body,
string payment_type,
string total_fee,
string show_url,
string seller_email,
string key,
string return_url,
string _input_charset,
string notify_url,
string extra_common_param = ""
)
{
return CreatUrl(
gateway,
service,
partner,
sign_type,
out_trade_no,
subject,
body,
payment_type,
total_fee,
show_url,
seller_email,
key,
return_url,
_input_charset,
notify_url,
"",
extra_common_param);
}
public string CreatUrl(
string gateway,
string service,
string partner,
string sign_type,
string out_trade_no,
string subject,
string body,
string payment_type,
string total_fee,
string show_url,
string seller_email,
string key,
string return_url,
string _input_charset,
string notify_url,
string token,
string extra_common_param = ""
)
{
///
///2015年11月17日14:08:00
///
int i;
string[] Oristr;
//构造数组；
if (!string.IsNullOrEmpty(token))
{
if (extra_common_param == "COD2MOTOPAY")
{
Oristr = new[]{
"service="+service,
"partner=" + partner,
"subject=" + subject,
"body=" + body,
"out_trade_no=" + out_trade_no,
"total_fee=" + total_fee,
"show_url=" + show_url,
"payment_type=" + payment_type,
"seller_email=" + seller_email,
"notify_url=" + notify_url,
"_input_charset="+_input_charset,
"return_url=" + return_url,
"token="+token,
"extra_common_param="+extra_common_param
};
}
else
{
Oristr = new[]{
"service="+service,
"partner=" + partner,
"subject=" + subject,
"body=" + body,
"out_trade_no=" + out_trade_no,
"total_fee=" +total_fee,
"show_url=" + show_url,
"payment_type=" + payment_type,
"seller_email=" + seller_email,
"notify_url=" + notify_url,
"_input_charset="+_input_charset,
"return_url=" + return_url,
"token="+token
};
}
}
else
{
if (extra_common_param == "COD2MOTOPAY")
{
Oristr = new[]{
"service="+service,
"partner=" + partner,
"subject=" + subject,
"body=" + body,
"out_trade_no=" + out_trade_no,
"total_fee="+total_fee,
"show_url=" + show_url,
"payment_type=" + payment_type,
"seller_email=" + seller_email,
"notify_url=" + notify_url,
"_input_charset="+_input_charset,
"return_url=" + return_url,
"extra_common_param="+extra_common_param
};
}
else
{
Oristr = new[]{
"service="+service,
"partner=" + partner,
"subject=" + subject,
"body=" + body,
"out_trade_no=" + out_trade_no,
"total_fee=" + total_fee,
"show_url=" + show_url,
"payment_type=" + payment_type,
"seller_email=" + seller_email,
"notify_url=" + notify_url,
"_input_charset="+_input_charset,
"return_url=" + return_url
};
}
}
//进行排序；
string[] Sortedstr = BubbleSort(Oristr);
//构造待md5摘要字符串 ；
StringBuilder prestr = new StringBuilder();
for (i = 0; i < Sortedstr.Length; i++)
{
if (i == Sortedstr.Length - 1)
{
prestr.Append(Sortedstr[i]);
}
else
{
prestr.Append(Sortedstr[i] + "&");
}
}
prestr.Append(key);
//生成Md5摘要；
string sign = GetMD5(prestr.ToString(), _input_charset);
//构造支付Url；
char[] delimiterChars = { '=' };
StringBuilder parameter = new StringBuilder();
parameter.Append(gateway);
for (i = 0; i < Sortedstr.Length; i++)
{
parameter.Append(Sortedstr[i].Split(delimiterChars)[0] + "=" + HttpUtility.UrlEncode(Sortedstr[i].Split(delimiterChars)[1]) + "&");
}
parameter.Append("sign=" + sign + "&sign_type=" + sign_type);
//返回支付Url；
return parameter.ToString();
}
public string CreatUrl_MissPayments(
string gateway,
string service,
string partner,
string sign_type,
string out_trade_no,
string key,
string _input_charset
)
{
///
/// created by sunzhizhi 2006.5.21,sunzhizhi@msn.com。
///
int i;
//构造数组；
string[] Oristr ={
"service="+service,
"partner=" + partner,
"out_trade_no=" + out_trade_no,
"_input_charset="+_input_charset
};
//进行排序；
string[] Sortedstr = BubbleSort(Oristr);
//构造待md5摘要字符串 ；
StringBuilder prestr = new StringBuilder();
for (i = 0; i < Sortedstr.Length; i++)
{
if (i == Sortedstr.Length - 1)
{
prestr.Append(Sortedstr[i]);
}
else
{
prestr.Append(Sortedstr[i] + "&");
}
}
prestr.Append(key);
//生成Md5摘要；
string sign = GetMD5(prestr.ToString(), _input_charset);
//构造支付Url；
char[] delimiterChars = { '=' };
StringBuilder parameter = new StringBuilder();
parameter.Append(gateway);
for (i = 0; i < Sortedstr.Length; i++)
{
parameter.Append(Sortedstr[i].Split(delimiterChars)[0] + "=" + HttpUtility.UrlEncode(Sortedstr[i].Split(delimiterChars)[1]) + "&");
}
parameter.Append("sign=" + sign + "&sign_type=" + sign_type);
//返回支付Url；
return parameter.ToString();
}
public static string GetTranSign(string TranData)
{
if (string.IsNullOrWhiteSpace(TranData))
return null;
string sign = GetMD5(TranData + "alskdjfaow;fjel;asdjf", "utf-8");
return sign;
}
}
}using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using System.Web.Mvc;
using ZK_ECommerce.Shop.pay.alipay;
namespace Alipay.Controllers
{
public class ApliayDemoController : Controller
{
///
/// 支付页面
///
///
///
/// 返回通知页面
///
///
Result:responseTxt=" + responseTxt);
Response.Write("
Result:mysign=" + mysign);
Response.Write("
Result:sign=" + sign);
}
return View();
}
///
/// 支付回调页面
///
///
Result:responseTxt=" + responseTxt);
Response.Write("
Result:mysign=" + mysign);
Response.Write("
Result:sign=" + sign);
}
return View();
}
public static string GetMD5(string s, string _input_charset)
{
///
/// 与ASP兼容的MD5加密算法
///
MD5 md5 = new MD5CryptoServiceProvider();
byte[] t = md5.ComputeHash(Encoding.GetEncoding(_input_charset).GetBytes(s));
StringBuilder sb = new StringBuilder(32);
for (int i = 0; i < t.Length; i++)
{
sb.Append(t[i].ToString("x").PadLeft(2, '0'));
}
return sb.ToString();
}
public static string GetMD5(string s)
{
///
/// 与ASP兼容的MD5加密算法
///
MD5 md5 = new MD5CryptoServiceProvider();
byte[] t = md5.ComputeHash(Encoding.GetEncoding("utf-8").GetBytes(s));
StringBuilder sb = new StringBuilder(32);
for (int i = 0; i < t.Length; i++)
{
sb.Append(t[i].ToString("x").PadLeft(2, '0'));
}
return sb.ToString();
}
public static string[] BubbleSort(string[] r)
{
///
/// 冒泡排序法
///
int i, j; //交换标志
string temp;
bool exchange;
for (i = 0; i < r.Length; i++) //最多做R.Length-1趟排序
{
exchange = false; //本趟排序开始前，交换标志应为假
for (j = r.Length - 2; j >= i; j--)
{
if (System.String.CompareOrdinal(r[j + 1], r[j]) < 0) //交换条件
{
temp = r[j + 1];
r[j + 1] = r[j];
r[j] = temp;
exchange = true; //发生了交换，故将交换标志置为真
}
}
if (!exchange) //本趟排序未发生交换，提前终止算法
{
break;
}
}
return r;
}
//获取远程服务器ATN结果
public String Get_Http(String a_strUrl, int timeout)
{
string strResult;
try
{
HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(a_strUrl);
myReq.Timeout = timeout;
HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
Stream myStream = HttpWResp.GetResponseStream();
StreamReader sr = new StreamReader(myStream, Encoding.Default);
StringBuilder strBuilder = new StringBuilder();
while (-1 != sr.Peek())
{
strBuilder.Append(sr.ReadLine());
}
strResult = strBuilder.ToString();
}
catch (Exception exp)
{
strResult = "错误：" + exp.Message;
}
return strResult;
}
}
} 看完上述内容是否对您有帮助呢？如果还想对相关知识有进一步的了解或阅读更多相关文章，请关注创新互联行业资讯频道，感谢您对创新互联网站建设公司，的支持。