c# 實現的支付寶支付
阿新 • • 發佈：2021-01-07
C#支付寶掃碼支付示的具體程式碼，供大家參考，具體內容如下
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)
{
/// <summary>
/// 與ASP相容的MD5加密演算法
/// </summary>
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)
{
/// <summary>
/// 氣泡排序法
/// </summary>
int i,j; //交換標誌
string temp;
bool exchange;
for (i = 0; i < r.Length; i++) //最多做R.Length-1趟排序
{
exchange = false; //本趟排序開始前，交換標誌應為假
for (j = r.Length - 2; j >= i; j--)
{
if (System.String.CompareOrdinal(r[j + 1],r[j]) < 0) //交換條件
{
temp = r[j + 1];
r[j + 1] = r[j];
r[j] = temp;
exchange = true; //發生了交換，故將交換標誌置為真
}
}
if (!exchange) //本趟排序未發生交換，提前終止演算法
{
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 token,string extra_common_param = ""
)
{
/// <summary>
///2015年11月17日14:08:00
/// </summary>
int i;
string[] Oristr;
//構造陣列；
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,"total_fee=" +total_fee,"token="+token
};
}
}
else
{
if (extra_common_param == "COD2MOTOPAY")
{
Oristr = new[]{
"service="+service,"total_fee="+total_fee,"return_url=" + return_url
};
}
}
//進行排序；
string[] Sortedstr = BubbleSort(Oristr);
//構造待md5摘要字串 ；
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);
//構造支付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 _input_charset
)
{
/// <summary>
/// created by sunzhizhi 2006.5.21,[email protected]。
/// </summary>
int i;
//構造陣列；
string[] Oristr ={
"service="+service,"_input_charset="+_input_charset
};
//進行排序；
string[] Sortedstr = BubbleSort(Oristr);
//構造待md5摘要字串 ；
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);
//構造支付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;
}
}
}頁面處理：
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
{
/// <summary>
/// 支付頁面
/// </summary>
/// <param name="ordercode"></param>
/// <returns></returns>
public ActionResult Index(string ordercode)
{
string out_trade_no = ordercode;
string gateway = "https://mapi.alipay.com/gateway.do?"; //支付介面
string service = "create_direct_pay_by_user";
string partner = ""; //partner合作伙伴ID保留欄位
string sign_type = "MD5";
string payment_type = "1"; //支付型別
string show_url = "http://www.letao.com";
string seller_email = ""; //賣家賬號
string key = ""; //partner賬戶的支付寶安全校驗碼
string return_url = "http://localhost:1396/ApliayDemo/ApliyReturn"; //伺服器通知返回介面
string notify_url = "http://localhost:1396/ApliayDemo/AlipayNotify"; //伺服器通知返回介面
string _input_charset = "utf-8";
string extra_common_param = "COD2MOTOPAY";//表示快捷支付
string token = string.Empty;
if (string.IsNullOrEmpty(token))
token = "";
string subject = "康康體檢套餐"; // subject商品名稱
string body = "測試商品"; //商品描述
string total_fee = "0.01";
AliPay ap = new AliPay();
string aliay_url = ap.CreatUrl(gateway,token,extra_common_param);
return Redirect(aliay_url);
}
/// <summary>
/// 返回通知頁面
/// </summary>
/// <returns></returns>
public ActionResult ApliyReturn()
{
string alipayNotifyURL = "https://mapi.alipay.com/gateway.do?";
string key = ""; //partner 的對應交易安全校驗碼（必須填寫）
string _input_charset = "utf-8";
string partner = ""; //partner合作伙伴id（必須填寫）
alipayNotifyURL = alipayNotifyURL + "service=notify_verify" + "&partner=" + partner + "¬ify_id=" + Request.QueryString["notify_id"];
//獲取支付寶ATN返回結果，true是正確的訂單資訊，false 是無效的
string responseTxt = Get_Http(alipayNotifyURL,120000);
int i;
NameValueCollection coll;
coll = Request.QueryString;
String[] requestarr = coll.AllKeys;
//進行排序；
string[] Sortedstr = BubbleSort(requestarr);
//構造待md5摘要字串 ；
StringBuilder prestr = new StringBuilder();
for (i = 0; i < Sortedstr.Length; i++)
{
if (Request.Form[Sortedstr[i]] != "" && Sortedstr[i] != "sign" && Sortedstr[i] != "sign_type")
{
if (i == Sortedstr.Length - 1)
{
prestr.Append(Sortedstr[i] + "=" + Request.QueryString[Sortedstr[i]]);
}
else
{
prestr.Append(Sortedstr[i] + "=" + Request.QueryString[Sortedstr[i]] + "&");
}
}
}
prestr.Append(key);
string mysign = GetMD5(prestr.ToString(),_input_charset);
string sign = Request.QueryString["sign"];
string trade_status = Request.QueryString["trade_status"];
if (mysign == sign && responseTxt == "true" && trade_status == "TRADE_SUCCESS") //驗證支付發過來的訊息，簽名是否正確
{
string order_amount = Request.QueryString["total_fee"].ToString().Trim();
string order_code = Request.QueryString["out_trade_no"].ToString().Trim();
//updateOrder(order_code);//更新訂單狀態
Response.Redirect(""); //跳轉到支付成功頁面
}
else
{
Response.Write("支付失敗。");
Response.Write("<br>Result:responseTxt=" + responseTxt);
Response.Write("<br>Result:mysign=" + mysign);
Response.Write("<br>Result:sign=" + sign);
}
return View();
}
/// <summary>
/// 支付回撥頁面
/// </summary>
/// <returns></returns>
public ActionResult AlipayNotify()
{
string alipayNotifyURL = "https://mapi.alipay.com/gateway.do?";
string partner = ""; //partner合作伙伴id（必須填寫）
string key = ""; //partner 的對應交易安全校驗碼（必須填寫）
alipayNotifyURL = alipayNotifyURL + "service=notify_verify" + "&partner=" + partner + "¬ify_id=" + Request.Form["notify_id"];
//獲取支付寶ATN返回結果，true是正確的訂單資訊，false 是無效的
string responseTxt = Get_Http(alipayNotifyURL,120000);
int i;
NameValueCollection coll;
//Load Form variables into NameValueCollection variable.
coll = Request.Form;
// Get names of all forms into a string array.
String[] requestarr = coll.AllKeys;
//進行排序；
string[] Sortedstr = BubbleSort(requestarr);
//構造待md5摘要字串 ；
StringBuilder prestr = new StringBuilder();
for (i = 0; i < Sortedstr.Length; i++)
{
if (Request.Form[Sortedstr[i]] != "" && Sortedstr[i] != "sign" && Sortedstr[i] != "sign_type")
{
if (i == Sortedstr.Length - 1)
{
prestr.Append(Sortedstr[i] + "=" + Request.QueryString[Sortedstr[i]]);
}
else
{
prestr.Append(Sortedstr[i] + "=" + Request.QueryString[Sortedstr[i]] + "&");
}
}
}
prestr.Append(key);
string mysign = GetMD5(prestr.ToString());
string sign = Request.QueryString["sign"];
string trade_status = Request.QueryString["trade_status"];
if (mysign == sign && responseTxt == "true" && trade_status == "TRADE_SUCCESS") //驗證支付發過來的訊息，簽名是否正確
{
string order_amount = Request.QueryString["total_fee"].ToString().Trim();
string order_code = Request.QueryString["out_trade_no"].ToString().Trim();
// updateOrder(order_code);//更新訂單狀態
Response.Redirect(""); //跳轉到支付成功頁面
}
else
{
Response.Write("支付失敗。");
Response.Write("<br>Result:responseTxt=" + responseTxt);
Response.Write("<br>Result:mysign=" + mysign);
Response.Write("<br>Result:sign=" + sign);
}
return View();
}
public static string GetMD5(string s,string _input_charset)
{
/// <summary>
/// 與ASP相容的MD5加密演算法
/// </summary>
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)
{
/// <summary>
/// 與ASP相容的MD5加密演算法
/// </summary>
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,r[j]) < 0) //交換條件
{
temp = r[j + 1];
r[j + 1] = r[j];
r[j] = temp;
exchange = true; //發生了交換，故將交換標誌置為真
}
}
if (!exchange) //本趟排序未發生交換，提前終止演算法
{
break;
}
}
return r;
}
//獲取遠端伺服器ATN結果
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 = "錯誤：" + exp.Message;
}
return strResult;
}
}
}以上就是c# 實現的支付寶支付的詳細內容，更多關於c# 支付寶支付的資料請關注我們其它相關文章！