C#支付宝扫码支付代码完整版

2020-01-05 09:32:56丽君

页面处理


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> 
    /// 支付页面 
    /// </summary> 
    /// <param name="ordercode"></param> 
    /// <returns></returns> 
    public ActionResult Index(string ordercode) 
    { 
 
 
      string out_trade_no = ordercode; 
      string gateway = "https://www.easck.com/gateway.do?"; //支付接口 
      string service = "create_direct_pay_by_user"; 
      string partner = "";    //partner合作伙伴ID保留字段 
      string sign_type = "MD5"; 
      string payment_type = "1";         //支付类型  
      string show_url = "http://www.easck.com//卖家账号 
      string key = "";       //partner账户的支付宝安全校验码 
      string return_url = "http://www.easck.com// subject商品名称 
      string body = "测试商品"; //商品描述   
      string total_fee = "0.01"; 
      AliPay ap = new AliPay(); 
      string aliay_url = ap.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, token, extra_common_param); 
 
      return Redirect(aliay_url); 
 
 
    } 
 
 
    /// <summary> 
    /// 返回通知页面 
    /// </summary> 
    /// <returns></returns> 
    public ActionResult ApliyReturn() 
    { 
 
      string alipayNotifyURL = "https://www.easck.com/gateway.do?"; 
      string key = ""; //partner 的对应交易安全校验码(必须填写) 
      string _input_charset = "utf-8"; 
      string partner = "";    //partner合作伙伴id(必须填写) 
 
      alipayNotifyURL = alipayNotifyURL + "service=notify_verify" + "&partner=" + partner + "¬ify_id=" + Request.QueryString["notify_id"]; 
 
      //获取支付宝ATN返回结果,true是正确的订单信息,false 是无效的 
      string responseTxt = Get_Http(alipayNotifyURL, 120000); 
 
      int i; 
      NameValueCollection coll; 
      coll = Request.QueryString; 
      String[] requestarr = coll.AllKeys; 
      //进行排序; 
      string[] Sortedstr = BubbleSort(requestarr); 
 
      //构造待md5摘要字符串 ; 
 
      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")  //验证支付发过来的消息,签名是否正确 
      { 
        string order_amount = Request.QueryString["total_fee"].ToString().Trim(); 
        string order_code = Request.QueryString["out_trade_no"].ToString().Trim(); 
 
        
        //updateOrder(order_code);//更新订单状态 
        Response.Redirect(""); //跳转到支付成功页面 
      } 
      else 
      { 
 
        Response.Write("支付失败。"); 
        Response.Write("<br>Result:responseTxt=" + responseTxt); 
        Response.Write("<br>Result:mysign=" + mysign); 
        Response.Write("<br>Result:sign=" + sign); 
      } 
      return View(); 
    } 
 
 
    /// <summary> 
    /// 支付回调页面 
    /// </summary> 
    /// <returns></returns> 
    public ActionResult AlipayNotify() 
    { 
 
 
      string alipayNotifyURL = "https://www.easck.com/gateway.do?"; 
      string partner = "";    //partner合作伙伴id(必须填写) 
      string key = ""; //partner 的对应交易安全校验码(必须填写) 
 
      alipayNotifyURL = alipayNotifyURL + "service=notify_verify" + "&partner=" + partner + "¬ify_id=" + Request.Form["notify_id"]; 
 
      //获取支付宝ATN返回结果,true是正确的订单信息,false 是无效的 
      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; 
      //进行排序; 
      string[] Sortedstr = BubbleSort(requestarr); 
      //构造待md5摘要字符串 ; 
      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")  //验证支付发过来的消息,签名是否正确 
      { 
        string order_amount = Request.QueryString["total_fee"].ToString().Trim(); 
        string order_code = Request.QueryString["out_trade_no"].ToString().Trim(); 
 
 
        
        // updateOrder(order_code);//更新订单状态 
        Response.Redirect(""); //跳转到支付成功页面 
      } 
      else 
      { 
 
        Response.Write("支付失败。"); 
        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> 
      /// 与ASP兼容的MD5加密算法 
      /// </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> 
      /// 与ASP兼容的MD5加密算法 
      /// </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, '0')); 
      } 
      return sb.ToString(); 
    } 
 
    public static string[] BubbleSort(string[] r) 
    { 
      /// <summary> 
      /// 冒泡排序法 
      /// </summary> 
 
      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; 
    } 
 
  } 
}