paymentresutlresponse.java

张孝祥java在线支付源码

package cn.itcast.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.itcast.utils.ConfigInfo;
import cn.itcast.utils.PanymentUtil;
/**
 * 响应银行支付结果请求
 * @author 传智播客
 *
 */
public class PaymentResutlResponse extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("GBK");
		String merchantID = ConfigInfo.getValue("p1_MerId"); // 商家ID
		String keyValue = ConfigInfo.getValue("keyValue"); // 商家密钥
		
		String sCmd = request.getParameter("r0_Cmd"); //业务类型
		String sResultCode = request.getParameter("r1_Code"); //扣款结果,该字段值为1时表示扣款成功.
		String sTrxId = request.getParameter("r2_TrxId"); //YeePay易宝交易订单号
		String amount = request.getParameter("r3_Amt");//扣款金额,交易结束后,YeePay易宝交易系统将实际扣款金额返回给商户
		String currency = request.getParameter("r4_Cur");//交易币种,人民币为CNY
		String productId = request.getParameter("r5_Pid");//商品ID
		String orderId = request.getParameter("r6_Order");//商户订单号
		String userId = request.getParameter("r7_Uid");//YeePay易宝会员ID
		String mp  = request.getParameter("r8_MP");//商户扩展信息,可以任意填写1K 的字符串,交易返回时将原样返回
		String bType = request.getParameter("r9_BType");//交易结果通知类型,1: 交易成功回调(浏览器重定向)2: 交易成功主动通知(服务器点对点通讯)
		String rb_BankId  = request.getParameter("rb_BankId");//支付银行
		String rp_PayDate = request.getParameter("rp_PayDate");//在银行支付时的时间
		String hmac = request.getParameter("hmac");//MD5交易签名
		
		boolean result = PanymentUtil.verifyCallback(hmac, merchantID, sCmd, sResultCode, sTrxId, amount,
				currency, productId, orderId, userId, mp, bType, keyValue);
		if(result){
			if("1".equals(sResultCode)){
				//你们这个地方应该把数据库中订单的支付状态设置成已经支付.
				String message = "订单号为:"+ orderId+ "的订单支付成功了";
				message += ",用户支付了"+ amount +"元";
				message +=",交易结果通知类型:";
				if("1".equals(bType)){
					 message += "浏览器重定向";
				}else if("2".equals(bType)){
					 message += "易宝支付网关后台程序通知";
				}
				message += ",易宝订单系统中的订单号为:"+ sTrxId;
				request.setAttribute("message", message);
			}else{
				request.setAttribute("message", "用户支付失败");
			}
		}else{
			request.setAttribute("message", "数据来源不合法");
		}
		request.getRequestDispatcher("/WEB-INF/page/paymentResult.jsp").forward(request, response);
	}

}