This article shares the specific code of the Java Online Mall payment module for your reference. The specific content is as follows
1. Payment preparation
public String paymentPre(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { req.setAttribute("order", orderService.load(req.getParameter("oid"))); return "f:/jsps/order/pay.jsp";}2. Payment method
public String payment(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { Properties props = new Properties(); props.load(this.getClass().getClassLoader().getResourceAsStream("payment.properties")); /* * 1. Prepare 13 parameters*/ String p0_Cmd = "Buy";//Business type, fixed value Buy String p1_MerId = props.getProperty("p1_MerId");//The business number code, the unique identification in Yibao String p2_Order = req.getParameter("oid");//Order code String p3_Amt = "0.01";//Payment amount String p4_Cur = "CNY";//Trade currency, fixed value CNY String p5_Pid = "";//Product name String p6_Pcat = "";//Product type String p7_Pdesc = "";//Product description String p8_Url = props.getProperty("p8_Url");//After payment is successful, Yibao will access this address. String p9_SAF = "";//Shipping address String pa_MP = "";//Extended information String pd_FrpId = req.getParameter("yh");//Payment channel String pr_NeedResponse = "1";//Response mechanism, fixed value 1 /* * 2. Calculation of hmac * 13 parameters are required * keyValue is required * Encryption algorithm is required */ String keyValue = props.getProperty("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); /* * 3. Redirect to Yibao's payment gateway*/ StringBuilder sb = new StringBuilder("https://www.yeepay.com/app-merchant-proxy/node"); sb.append("?").append("p0_Cmd=").append(p0_Cmd); sb.append("&").append("p1_MerId=").append(p1_MerId); sb.append("&").append("p2_Order=").append(p2_Order); sb.append("&").append("p3_Amt=").append(p3_Amt); sb.append("&").append("p4_Cur=").append(p4_Cur); sb.append("&").append("p5_Pid=").append(p5_Pid); sb.append("&").append("p6_Pcat=").append(p6_Pcat); sb.append("&").append("p7_Pdesc=").append(p7_Pdesc); sb.append("&").append("p8_Url=").append(p8_Url); sb.append("&").append("p9_SAF=").append(p9_SAF); sb.append("&").append("pa_MP=").append(pa_MP); sb.append("&").append("pd_FrpId=").append(pd_FrpId); sb.append("&").append("pr_NeedResponse=").append(pr_NeedResponse); sb.append("&").append("hmac=").append(hmac); resp.sendRedirect(sb.toString()); return null;}3. Method of feedback
When the payment is successful, Yibao will access it in two ways:
1. Guide the user's browser to redirect (if the user closes the browser, he will not be able to access this)
2. Yibao's server will access this method using point-to-point communication. (You must give back to success, otherwise the Yibao server will keep calling this method)
public String back(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { /* * 1. Get 12 parameters*/ String p1_MerId = req.getParameter("p1_MerId"); String r0_Cmd = req.getParameter("r0_Cmd"); String r1_Code = req.getParameter("r1_Code"); String r2_TrxId = req.getParameter("r2_TrxId"); String r3_Amt = req.getParameter("r3_Amt"); String r4_Cur = req.getParameter("r4_Cur"); String r5_Pid = req.getParameter("r5_Pid"); String r6_Order = req.getParameter("r6_Order"); String r7_Uid = req.getParameter("r7_Uid"); String r8_MP = req.getParameter("r8_MP"); String r9_BType = req.getParameter("r9_BType"); String hmac = req.getParameter("hmac"); /* * 2. Get keyValue */ Properties props = new Properties(); props.load(this.getClass().getClassLoader().getResourceAsStream("payment.properties")); String keyValue = props.getProperty("keyValue"); /* * 3. Call PaymentUtil's verification method to verify the caller's identity* > If the verification fails: save the error message and forward it to msg.jsp * > If the verification passes: * * Determine whether the access method is redirected or point-to-point, if redirected* Modify the order status, save the successful information, forward it to msg.jsp * * If it is a point-to-point: modify the order status and return success */ 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) { req.setAttribute("code", "error"); req.setAttribute("msg", "Invalid signature, payment failed! (You are not a good person)"); return "f:/jsps/msg.jsp"; } if(r1_Code.equals("1")) { orderService.updateStatus(r6_Order, 2); if(r9_BType.equals("1")) { req.setAttribute("code", "success"); req.setAttribute("msg", "Congratulations, payment is successful!"); return "f:/jsps/msg.jsp"; } else if(r9_BType.equals("2")) { resp.getWriter().print("success"); } } return null;}4.pay.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <title>pay.jsp</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <link rel="stylesheet" type="text/css" href="<c:url value='/jss/css/order/pay.css'/>"> <script type="text/javascript" src="<c:url value='/jquery/jquery-1.5.1.js'/>"></script> <script type="text/javascript">$(function() { $("img").click(function() { $("#" + $(this).attr("name")).attr("checked", true); });});</script> </head> <body><div> <span>Payment amount: </span><span>${order.total }</span> <span>Number: ${order.oid }</span></div><form action="<c:url value='/OrderServlet'/>" method="post" id="form1" target="_top"><input type="hidden" name="method" value="payment"/><input type="hidden" name="oid" value="${order.oid }"/><div> <div>Select online banking</div> <div style="margin-left: 20px;"> <div style="margin-bottom: 20px;"> <input id="ICBC-NET-B2C" type="radio" name="yh" value="ICBC-NET-B2C" checked="checked"/> <img name="ICBC-NET-B2C" align="middle" src="<c:url value='/bank_img/icbc.bmp'/>"/> <input id="CMBCHINA-NET-B2C" type="radio" name="yh" value="CMBCHINA-NET-B2C"/> <img name="CMBCHINA-NET-B2C" align="middle" src="<c:url value='/bank_img/cmb.bmp'/>"/> <input id="ABC-NET-B2C" type="radio" name="yh" value="ABC-NET-B2C"/> <img name="ABC-NET-B2C" align="middle" src="<c:url value='/bank_img/abc.bmp'/>"/> <input id="CCB-NET-B2C" type="radio" name="yh" value="CCB-NET-B2C"/> <img name="CCB-NET-B2C" align="middle" src="<c:url value='/bank_img/ccb.bmp'///> </div> <div style="margin-bottom: 20px;"> <input id="BCCB-NET-B2C" type="radio" name="yh" value="BCCB-NET-B2C"/> <img name="BCCB-NET-B2C" align="middle" src="<c:url value='/bank_img/bj.bmp'///input id="BOCO-NET-B2C" type="radio" name="yh" value="BOCO-NET-B2C"/> <img name="BOCO-NET-B2C" align="middle" src="<c:url value='/bank_img/bcc.bmp'///input id="BOCO-NET-B2C"/> <input id="CIB-NET-B2C" type="radio" name="yh" value="CIB-NET-B2C"/> <img name="CIB-NET-B2C" align="middle" src="<c:url value='/bank_img/cib.bmp'///input id="NJCB-NET-B2C" type="radio" name="yh" value="NJCB-NET-B2C"/> <img name="NJCB-NET-B2C" align="middle" src="<c:url value='/bank_img/nanjing.bmp'////input id="input id="NJCB-NET-B2C" type="radio" name="yh" value="NJCB-NET-B2C"/> <img name="NJCB-NET-B2C" align="middle" src="<c:url value='/bank_img/nanjing.bmp'////indiv> <div style="margin-bottom: 20px;"> <input id="CMBC-NET-B2C" type="radio" name="yh" value="CMBC-NET-B2C"/> <img name="CMBC-NET-B2C" align="middle" src="<c:url value='/bank_img/cmbc.bmp'//"/> <input id="CEB-NET-B2C" type="radio" name="yh" value="CEB-NET-B2C"/> <img name="CEB-NET-B2C" align="middle" src="<c:url value='/bank_img/guangda.bmp'///"/> <input id="BOC-NET-B2C" type="radio" name="yh" value="BOC-NET-B2C"/> <img name="BOC-NET-B2C" align="middle" src="<c:url value='/bank_img/bc.bmp'///"/> <input id="PINGANBANK-NET" type="radio" name="yh" value="PINGANBANK-NET"/> <img name="PINGANBANK-NET" align="middle" src="<c:url value='/bank_img/pingan.bmp'///div> <div style="margin-bottom: 20px;"> <input id="CBHB-NET-B2C" type="radio" name="yh" value="CBHB-NET-B2C"/> <img name="CBHB-NET-B2C" align="middle" src="<c:url value='/bank_img/bh.bmp'//////input id="HKBEA-NET-B2C" type="radio" name="yh" value="HKBEA-NET-B2C"/> <img name="HKBEA-NET-B2C" align="middle" src="<c:url value='/bank_img/dy.bmp'///"/> "/input id="NBCB-NET-B2C" type="radio" name="yh" value="NBCB-NET-B2C"/> <img name="NBCB-NET-B2C" align="middle" src="<c:url value='/bank_img/ningbo.bmp'////"/> <input id="ECITIC-NET-B2C" type="radio" name="yh" value="ECITIC-NET-B2C"/> <img name="ECITIC-NET-B2C" align="middle" src="<c:url value='/bank_img/zx.bmp'///"/> </div> <div style="margin-bottom: 20px;"> <input id="SDB-NET-B2C" type="radio" name="yh" value="SDB-NET-B2C"/> <img name="SDB-NET-B2C" align="middle" src="<c:url value='/bank_img/sfz.bmp'///"/> <input id="GDB-NET-B2C" type="radio" name="yh" value="GDB-NET-B2C"/> <img name="GDB-NET-B2C" align="middle" src="<c:url value='/bank_img/gf.bmp'///"/> <input id="SHB-NET-B2C" type="radio" name="yh" value="SHB-NET-B2C"/> <img name="SHB-NET-B2C" align="middle" src="<c:url value='/bank_img/sh.bmp'///"/> <input id="SPDB-NET-B2C" type="radio" name="yh" value="SPDB-NET-B2C"/> <img name="SPDB-NET-B2C" align="middle" src="<c:url value='/bank_img/shpd.bmp'///"/> </div> <div style="margin-bottom: 20px;"> <input id="POST-NET-B2C" type="radio" name="yh" value="POST-NET-B2C"/> <img name="POST-NET-B2C" align="middle" src="<c:url value='/bank_img/post.bmp'//"/> "/input id="BJRCB-NET-B2C" type="radio" name="yh" value="BJRCB-NET-B2C"/> <img name="BJRCB-NET-B2C" align="middle" src="<c:url value='/bank_img/beijingnongshang.bmp'//"/> "/input id="HXB-NET-B2C" type="radio" name="yh" value="HXB-NET-B2C"/> <img name="HXB-NET-B2C" align="middle" src="<c:url value='/bank_img/hx.bmp'///"/> <input id="CZ-NET-B2C" type="radio" name="yh" value="CZ-NET-B2C"/> <img name="CZ-NET-B2C" align="middle" src="<c:url value='/bank_img/zheshang.bmp'//////div> </div> <div style="margin: 40px;"> <a href="javascript:void $('#form1').submit();">Next</a> </div></div></form> </body></html>payment.properties
p1_MerId=10001126856keyValue=69cl522AV6q613Ii4W6u8K6XuW8vM1N6bFgyv769220IuYe9u37N4y7rI4Plp8_Url=http/://localhost/:8080/goods/OrderServlet?method/=back
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