我要评论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;
}
}
}
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