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C#支付宝扫码支付代码完整版

程序员文章站 2023-12-18 08:32:04
本文实例为大家分享了c#支付宝扫码支付示的具体代码,供大家参考,具体内容如下 支付宝工具类 using system; using system.col...

本文实例为大家分享了c#支付宝扫码支付示的具体代码,供大家参考,具体内容如下

支付宝工具类

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> 
      /// 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[] 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; 
    } 
 
    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 = "" 
      ) 
    { 
      /// <summary> 
      ///2015年11月17日14:08:00 
      /// </summary> 
      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 
 
     ) 
    { 
      /// <summary> 
      /// created by sunzhizhi 2006.5.21,sunzhizhi@msn.com。 
      /// </summary> 
      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; 
    } 
 
  } 
} 

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://mapi.alipay.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.letao.com"; 
      string seller_email = "";       //卖家账号 
      string key = "";       //partner账户的支付宝安全校验码 
      string return_url = "http://localhost:1396/apliaydemo/apliyreturn"; //服务器通知返回接口 
      string notify_url = "http://localhost:1396/apliaydemo/alipaynotify"; //服务器通知返回接口 
      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 = "康康体检套餐"; // 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://mapi.alipay.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://mapi.alipay.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; 
    } 
 
  } 
} 

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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