javaweb在线支付功能实现代码
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2024-03-01 13:42:58
本文实例为大家分享了javaweb在线支付功能的具体实现代码，供大家参考，具体内容如下
package com.learning.web.servlet;...
本文实例为大家分享了javaweb在线支付功能的具体实现代码，供大家参考，具体内容如下
package com.learning.web.servlet;
import java.io.ioexception;
import java.util.resourcebundle;
import javax.servlet.servletexception;
import javax.servlet.annotation.webservlet;
import javax.servlet.http.httpservlet;
import javax.servlet.http.httpservletrequest;
import javax.servlet.http.httpservletresponse;
import com.learning.utils.paymentutil;
@webservlet("/payonline")
public class payonline extends httpservlet {
private static final long serialversionuid = 1l;
protected void doget(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception {
dopost(request, response);
}
protected void dopost(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception {
string orderid = request.getparameter("orderid");
string money = request.getparameter("money");
// 银行
string pd_frpid = request.getparameter("pd_frpid");
// 发给支付公司需要哪些数据
string p0_cmd = "buy";
string p1_merid = resourcebundle.getbundle("/web-inf/classes/merchantinfo").getstring(
"p1_merid");
string p2_order = orderid;
string p3_amt = money;
string p4_cur = "cny";
string p5_pid = "";
string p6_pcat = "";
string p7_pdesc = "";
// 支付成功回调地址 ---- 第三方支付公司会访问、用户访问
// 第三方支付可以访问网址(本项目网址)
string p8_url = "http://115.170.37.189/day19pay/callback";
string p9_saf = "";
string pa_mp = "";
string pr_needresponse = "1";
// 加密hmac 需要密钥
string keyvalue = resourcebundle.getbundle("merchantinfo").getstring(
"keyvalue");
string hmac = paymentutil.buildhmac(p0_cmd, p1_merid, p2_order, p3_amt,
p4_cur, p5_pid, p6_pcat, p7_pdesc, p8_url, p9_saf, pa_mp,
pd_frpid, pr_needresponse, keyvalue);
// 生成url --- url?
request.setattribute("pd_frpid", pd_frpid);
request.setattribute("p0_cmd", p0_cmd);
request.setattribute("p1_merid", p1_merid);
request.setattribute("p2_order", p2_order);
request.setattribute("p3_amt", p3_amt);
request.setattribute("p4_cur", p4_cur);
request.setattribute("p5_pid", p5_pid);
request.setattribute("p6_pcat", p6_pcat);
request.setattribute("p7_pdesc", p7_pdesc);
request.setattribute("p8_url", p8_url);
request.setattribute("p9_saf", p9_saf);
request.setattribute("pa_mp", pa_mp);
request.setattribute("pr_needresponse", pr_needresponse);
request.setattribute("hmac", hmac);
request.getrequestdispatcher("/confirm.jsp").forward(request, response);
}
}
2.用户确认提交的信息（confirm.jsp）
<%@ page language="java" contenttype="text/html; charset=utf-8"
pageencoding="utf-8"%>
<%@taglib prefix="p" uri="http://www.itcast.cn/tag"%>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>insert title here</title>
</head>
<body>
<p:user />
<!-- 确认支付form -->
<form action="https://www.yeepay.com/app-merchant-proxy/node"
method="get">
<h3>订单号：${p2_order},付款金额 ：${p3_amt }</h3>
<input type="hidden" name="pd_frpid" value="${pd_frpid }" /> <input
type="hidden" name="p0_cmd" value="${p0_cmd }" /> <input
type="hidden" name="p1_merid" value="${p1_merid }" /> <input
type="hidden" name="p2_order" value="${p2_order }" /> <input
type="hidden" name="p3_amt" value="${p3_amt }" /> <input
type="hidden" name="p4_cur" value="${p4_cur }" /> <input
type="hidden" name="p5_pid" value="${p5_pid }" /> <input
type="hidden" name="p6_pcat" value="${p6_pcat }" /> <input
type="hidden" name="p7_pdesc" value="${p7_pdesc }" /> <input
type="hidden" name="p8_url" value="${p8_url }" /> <input
type="hidden" name="p9_saf" value="${p9_saf }" /> <input
type="hidden" name="pa_mp" value="${pa_mp }" /> <input type="hidden"
name="pr_needresponse" value="${pr_needresponse }" /> <input
type="hidden" name="hmac" value="${hmac }" /> <input type="submit"
value="确认支付" />
</form>
</body>
</html>
3.网站获得第三方支付的信息
package com.learning.web.servlet;
import java.io.ioexception;
import java.util.resourcebundle;
import javax.servlet.servletexception;
import javax.servlet.http.httpservlet;
import javax.servlet.http.httpservletrequest;
import javax.servlet.http.httpservletresponse;
import com.learning.service.orderservice;
import com.learning.utils.paymentutil;
/**
* 该servlet会在支付成功后 进行调用----- 支付公司 、客户
*
* @author seawind
*
*/
public class callbackservlet extends httpservlet {
public void doget(httpservletrequest request, httpservletresponse response)
throws servletexception, ioexception {
// 获得回调所有数据
string p1_merid = request.getparameter("p1_merid");
string r0_cmd = request.getparameter("r0_cmd");
string r1_code = request.getparameter("r1_code");
string r2_trxid = request.getparameter("r2_trxid");
string r3_amt = request.getparameter("r3_amt");
string r4_cur = request.getparameter("r4_cur");
string r5_pid = request.getparameter("r5_pid");
string r6_order = request.getparameter("r6_order");
string r7_uid = request.getparameter("r7_uid");
string r8_mp = request.getparameter("r8_mp");
string r9_btype = request.getparameter("r9_btype");
string rb_bankid = request.getparameter("rb_bankid");
string ro_bankorderid = request.getparameter("ro_bankorderid");
string rp_paydate = request.getparameter("rp_paydate");
string rq_cardno = request.getparameter("rq_cardno");
string ru_trxtime = request.getparameter("ru_trxtime");
// 身份校验 --- 判断是不是支付公司通知你
string hmac = request.getparameter("hmac");
string keyvalue = resourcebundle.getbundle("merchantinfo").getstring(
"keyvalue");
// 自己对上面数据进行加密 --- 比较支付公司发过来hamc
boolean isvalid = paymentutil.verifycallback(hmac, p1_merid, r0_cmd,
r1_code, r2_trxid, r3_amt, r4_cur, r5_pid, r6_order, r7_uid,
r8_mp, r9_btype, keyvalue);
if (isvalid) {
// 响应数据有效
if (r9_btype.equals("1")) {
// 浏览器重定向
response.setcontenttype("text/html;charset=utf-8");
response.getwriter().println("<h1>付款成功！等待商城进一步操作！等待收货...</h1>");
} else if (r9_btype.equals("2")) {
// 服务器点对点 --- 支付公司通知你
system.out.println("付款成功！");
// 修改订单状态 为已付款
orderservice orderservice=new orderservice();
orderservice.modifyorderstate(p1_merid);
// 回复支付公司
response.getwriter().print("success");
}
} else {
// 数据无效
system.out.println("数据被篡改！");
}
}
public void dopost(httpservletrequest request, httpservletresponse response)
throws servletexception, ioexception {
doget(request, response);
}
}
文件：
merchantinfo.properties
p1_merid=10001126856
keyvalue=69cl522av6q613ii4w6u8k6xuw8vm1n6bfgyv769220iuye9u37n4y7ri4pl
responseurl=http://localhost:8080/onlinepay/servlet/paymentresponse
工具类：paymentutil
package com.learning.utils;
import java.io.unsupportedencodingexception;
import java.security.messagedigest;
import java.security.nosuchalgorithmexception;
import java.util.arrays;
public class paymentutil {
private static string encodingcharset = "utf-8";
/**
* 生成hmac方法
*
* @param p0_cmd 业务类型
* @param p1_merid 商户编号
* @param p2_order 商户订单号
* @param p3_amt 支付金额
* @param p4_cur 交易币种
* @param p5_pid 商品名称
* @param p6_pcat 商品种类
* @param p7_pdesc 商品描述
* @param p8_url 商户接收支付成功数据的地址
* @param p9_saf 送货地址
* @param pa_mp 商户扩展信息
* @param pd_frpid 银行编码
* @param pr_needresponse 应答机制
* @param keyvalue 商户密钥
* @return
*/
public static string buildhmac(string p0_cmd,string p1_merid,
string p2_order, string p3_amt, string p4_cur,string p5_pid, string p6_pcat,
string p7_pdesc,string p8_url, string p9_saf,string pa_mp,string pd_frpid,
string pr_needresponse,string keyvalue) {
stringbuilder svalue = new stringbuilder();
// 业务类型
svalue.append(p0_cmd);
// 商户编号
svalue.append(p1_merid);
// 商户订单号
svalue.append(p2_order);
// 支付金额
svalue.append(p3_amt);
// 交易币种
svalue.append(p4_cur);
// 商品名称
svalue.append(p5_pid);
// 商品种类
svalue.append(p6_pcat);
// 商品描述
svalue.append(p7_pdesc);
// 商户接收支付成功数据的地址
svalue.append(p8_url);
// 送货地址
svalue.append(p9_saf);
// 商户扩展信息
svalue.append(pa_mp);
// 银行编码
svalue.append(pd_frpid);
// 应答机制
svalue.append(pr_needresponse);
return paymentutil.hmacsign(svalue.tostring(), keyvalue);
}
/**
* 返回校验hmac方法
*
* @param hmac 支付网关发来的加密验证码
* @param p1_merid 商户编号
* @param r0_cmd 业务类型
* @param r1_code 支付结果
* @param r2_trxid 易宝支付交易流水号
* @param r3_amt 支付金额
* @param r4_cur 交易币种
* @param r5_pid 商品名称
* @param r6_order 商户订单号
* @param r7_uid 易宝支付会员id
* @param r8_mp 商户扩展信息
* @param r9_btype 交易结果返回类型
* @param keyvalue 密钥
* @return
*/
public static boolean verifycallback(string hmac, string p1_merid,
string r0_cmd, string r1_code, string r2_trxid, string r3_amt,
string r4_cur, string r5_pid, string r6_order, string r7_uid,
string r8_mp, string r9_btype, string keyvalue) {
stringbuilder svalue = new stringbuilder();
// 商户编号
svalue.append(p1_merid);
// 业务类型
svalue.append(r0_cmd);
// 支付结果
svalue.append(r1_code);
// 易宝支付交易流水号
svalue.append(r2_trxid);
// 支付金额
svalue.append(r3_amt);
// 交易币种
svalue.append(r4_cur);
// 商品名称
svalue.append(r5_pid);
// 商户订单号
svalue.append(r6_order);
// 易宝支付会员id
svalue.append(r7_uid);
// 商户扩展信息
svalue.append(r8_mp);
// 交易结果返回类型
svalue.append(r9_btype);
string snewstring = paymentutil.hmacsign(svalue.tostring(), keyvalue);
return snewstring.equals(hmac);
}
/**
* @param avalue
* @param akey
* @return
*/
public static string hmacsign(string avalue, string akey) {
byte k_ipad[] = new byte[64];
byte k_opad[] = new byte[64];
byte keyb[];
byte value[];
try {
keyb = akey.getbytes(encodingcharset);
value = avalue.getbytes(encodingcharset);
} catch (unsupportedencodingexception e) {
keyb = akey.getbytes();
value = avalue.getbytes();
}
arrays.fill(k_ipad, keyb.length, 64, (byte) 54);
arrays.fill(k_opad, keyb.length, 64, (byte) 92);
for (int i = 0; i < keyb.length; i++) {
k_ipad[i] = (byte) (keyb[i] ^ 0x36);
k_opad[i] = (byte) (keyb[i] ^ 0x5c);
}
messagedigest md = null;
try {
md = messagedigest.getinstance("md5");
} catch (nosuchalgorithmexception e) {
return null;
}
md.update(k_ipad);
md.update(value);
byte dg[] = md.digest();
md.reset();
md.update(k_opad);
md.update(dg, 0, 16);
dg = md.digest();
return tohex(dg);
}
public static string tohex(byte input[]) {
if (input == null)
return null;
stringbuffer output = new stringbuffer(input.length * 2);
for (int i = 0; i < input.length; i++) {
int current = input[i] & 0xff;
if (current < 16)
output.append("0");
output.append(integer.tostring(current, 16));
}
return output.tostring();
}
/**
*
* @param args
* @param key
* @return
*/
public static string gethmac(string[] args, string key) {
if (args == null || args.length == 0) {
return (null);
}
stringbuffer str = new stringbuffer();
for (int i = 0; i < args.length; i++) {
str.append(args[i]);
}
return (hmacsign(str.tostring(), key));
}
/**
* @param avalue
* @return
*/
public static string digest(string avalue) {
avalue = avalue.trim();
byte value[];
try {
value = avalue.getbytes(encodingcharset);
} catch (unsupportedencodingexception e) {
value = avalue.getbytes();
}
messagedigest md = null;
try {
md = messagedigest.getinstance("sha");
} catch (nosuchalgorithmexception e) {
e.printstacktrace();
return null;
}
return tohex(md.digest(value));
}
// public static void main(string[] args) {
// system.out.println(hmacsign("annulcard1000043252120080620160450.0http://localhost/szxpro/callback.asp杩?4564868265473632445648682654736324511","8upp0ke8sq73zvp370vko7c39403rtk1ywx40td6irh216036h27eb12792t"));
// }
}
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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