利用javaweb实现一个在线支付功能-创新互联

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今天就跟大家聊聊有关利用javaweb实现一个在线支付功能，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。

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);
    
    
  }

}