简略的在线支付

简单的在线支付
package cn.lwy1521.utils;import java.io.IOException;import java.util.Properties;public class PayConfig {private static Properties prop = new Properties();static{try {prop.load(PayConfig.class.getClassLoader().getResourceAsStream("merchantInfo.properties"));} catch (IOException e) {throw new RuntimeException(e);}}public static String getValue(String key){return prop.getProperty(key);}}

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package cn.lwy1521.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IDsValue.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"));//}}

?业务处理类：

PaymentRequestServlet.java

package cn.lwy1521.web.servlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import cn.lwy1521.utils.PayConfig;import cn.lwy1521.utils.PaymentUtil;/** * 处理支付请求 * @author lwy1521 * */public class PaymentRequestServlet extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {String p0_Cmd = "Buy";String p1_MerId = PayConfig.getValue("p1_MerId");String p2_Order = request.getParameter("orderid");String p3_Amt = request.getParameter("money");String p4_Cur = "CNY";String p5_Pid = "";String p6_Pcat = "";String p7_Pdesc = "";String p8_Url =PayConfig.getValue("responseURL");String p9_SAF = "";String pa_MP = "";String pd_FrpId = request.getParameter("pd_FrpId");String pr_NeedResponse = "1";String keyValue = PayConfig.getValue("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);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("pd_FrpId",pd_FrpId );request.setAttribute("pr_NeedResponse",pr_NeedResponse );request.setAttribute("keyValue",keyValue );//转发request.getRequestDispatcher("/payconfirm.jsp").forward(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request,response);}}

PaymentResponseServlet.java

package cn.lwy1521.web.servlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import cn.lwy1521.utils.PayConfig;import cn.lwy1521.utils.PaymentUtil;public class PaymentResponseServlet extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {response.setCharacterEncoding("utf-8");response.setContentType("text/html;charset=utf-8");String p1_MerId = PayConfig.getValue("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 hmac = request.getParameter("hmac ");String keyValue  = PayConfig.getValue("keyValue");boolean bool = 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(!bool){response.getWriter().write("交易签名已被修改!!!");return;}if("1".equals(r1_Code)){//处理支付成功if("1".equals(r9_BType)){response.getWriter().write("支付成功");return;}if("2".equals(r9_BType)){response.getWriter().write("success");}}}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}

?配置文件：

p1_MerId=10001126856keyValue=69cl522AV6q613Ii4W6u8K6XuW8vM1N6bFgyv769220IuYe9u37N4y7rI4PlresponseURL=http://localhost:8080/payment/servlet/PaymentResponse

view:pay.jsp<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><!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><form action="${pageContext.request.contextPath }/bank.jsp" method="get">您的订单:<input type="text" name="orderid"/><br/>订单金额:<input type="text" name="money"/><br/><input type="submit" value="支&nbsp;&nbsp;付"/></form></body></html>--------------------------bank.jsp%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>在线支付</title>  </head>    <body>        <form action="${pageContext.request.contextPath }/servlet/PaymentRequestServlet" method="post">      <table width="60%"><input type="hidden" name="orderid" value="${param.orderid }">    <input type="hidden" name="money" value="${param.money }"><tr><td><br/></td></tr><tr><td>请您选择在线支付银行</td></tr><tr>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="CMBCHINA-NET">招商银行 </td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="ICBC-NET">工商银行</td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="ABC-NET">农业银行</td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="CCB-NET">建设银行 </td></tr><tr>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="CMBC-NET">中国民生银行总行</td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="CEB-NET" >光大银行 </td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="BOCO-NET">交通银行</td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="SDB-NET">深圳发展银行</td></tr><tr>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="BCCB-NET">北京银行</td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="CIB-NET">兴业银行 </td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="SPDB-NET">上海浦东发展银行 </td>  <td><INPUT TYPE="radio" NAME="pd_FrpId" value="ECITIC-NET">中信银行</td></tr><tr><td><br/></td></tr><tr>  <td><INPUT TYPE="submit" value="确定支付"></td></tr>     </table>   </form>  </body></html>------------------------------------payconfirm.jsp<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>My JSP 'payconfirm.jsp' starting page</title>  </head>    <body>    <form action="https://www.yeepay.com/app-merchant-proxy/node" method="post">    <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="${pa_MP }">    <input type="hidden" name="pd_FrpId" value="${pd_FrpId }">    <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>

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