Java写的一个网上购书系统源码.zip

package com.briup.web.servlet; import com.briup.bean.*; import com.briup.service.IOrderFormService; import com.briup.service.IOrderLineService; import com.briup.service.IShopAddressService; import com.briup.service.IShopCarService; import com.briup.service.impl.OrderFormServiceImpl; import com.briup.service.impl.OrderLineServiceImpl; import com.briup.service.impl.ShopAddressServiceImpl; import com.briup.service.impl.ShopCarServiceImpl; 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 javax.servlet.http.HttpSession; import java.io.IOException; import java.util.Date; import java.util.Iterator; import java.util.List; /** * @author dell */ @WebServlet("/ordercommit") public class OrderCommitServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { IShopAddressService shopAddressService = new ShopAddressServiceImpl(); IOrderFormService orderFormService = new OrderFormServiceImpl(); IOrderLineService orderLineService = new OrderLineServiceImpl(); // 1、接收参数 String receiveName = req.getParameter("receiveName"); String address = req.getParameter("address"); String phone = req.getParameter("phone"); String shipAddId = req.getParameter("shipAddId"); //获取当前登录用户 HttpSession session = req.getSession(); Customer customer = (Customer) session.getAttribute("customer"); // ....接收其他参数 // 判断一下地址是新增还是 原来的地址 // 如果说 前端获取到的receiveName，address，phone不为空的话 就认为要新增地址 // 判断receiveName是否为空 还要判断address phone ShopAddress shopAddress = new ShopAddress(); if(receiveName.equals("")&&phone.equals("")&&address.equals("")){ //使用旧地址 //没有选择地址情况下 if(shipAddId.equals("")){ resp.sendRedirect("/confirm"); return; }else{ Integer addId = Integer.valueOf(shipAddId); shopAddress.setId(addId); } }else{ // 不为空为新地址 shopAddress.setAddress(address); shopAddress.setReceiveName(receiveName); shopAddress.setPhone(phone); shopAddress.setCustomer(customer); shopAddressService.saveAddress(shopAddress); } // 可以通过接收参数的形式获取旧地址的id // 通过这个地址id查询地址信息（拿到id之后new ShopAddress只把id放进去） // 开始准备一个OrderForm对象（时间可以直接newDate） List<ShopCar> shopCarList = (List<ShopCar>) session.getAttribute("confrim"); Double total = 0.0; for (ShopCar shopCar : shopCarList) { total = total + (shopCar.getNum()*shopCar.getBook().getPrice()); } OrderForm orderForm = new OrderForm(); orderForm.setCost(total); orderForm.setOrderdate(new Date()); orderForm.setShopAddress(shopAddress); orderForm.setCustomer(customer); // 并且调用对应的方法saveOrderForm（需要selectkey） orderFormService.saveOrderForm(orderForm); // 把他对应的订单项存入数据库当中（需要订单表的id） for (ShopCar shopCar : shopCarList) { OrderLine orderLine = new OrderLine(); orderLine.setBook(shopCar.getBook()); orderLine.setNum(Long.valueOf(shopCar.getNum())); orderLine.setCost(shopCar.getNum()*shopCar.getBook().getPrice()); orderLine.setOrderForm(orderForm); orderLineService.saveOrderLine(orderLine); } // 结束 resp.sendRedirect("/orderList"); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } /* @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { //接收参数 String receiveName = req.getParameter("receiveName"); String address = req.getParameter("address"); String phone = req.getParameter("phone"); String shipAddId = req.getParameter("shipAddId"); //获取当前登录用户 Customer customer = (Customer) req.getSession().getAttribute("customer"); //实例化对地址操作的对象 IShopAddressService iShopAddressService = new ShopAddressServiceImpl(); ShopAddress shopAddressById=new ShopAddress(); //判断是否为新增地址 if (receiveName.equals("") && address.equals("") && phone.equals("")){ //查询当前选中的旧地址id if (shipAddId.equals("")){ resp.sendRedirect("/confirm.jsp"); }else { //shopAddressById = iShopAddressService.findShopAddressById(Integer.parseInt(shipAddId)); shopAddressById .setId(Integer.parseInt(shipAddId)); System.out.println(shopAddressById); } }else { //如果前端获取到数据不为空的话，就认为是新增地址,如果都为空，就选择旧地址，就地址可以通过接收shipAddId参数的形式获取旧地址的id，通过对应方法查到当前的地址信息 shopAddressById=new ShopAddress(receiveName,address,phone,customer); //把新的地址存入数据库 iShopAddressService.saveAddress(shopAddressById); System.out.println(shopAddressById); } //获取当前所有的订单信息计算价格 double total =0; List<ShopCar> confrim = (List<ShopCar>) req.getSession().getAttribute("confrim"); for (ShopCar shopCar : confrim) { total=total+shopCar.getBook().getPrice()*shopCar.getNum(); } System.out.println(total); //准备一个orderform对象，往表里面塞对象，时间可以直接newdate，然后调用方法保存订单信息 OrderForm orderForm = new OrderForm(total,new Date(),customer,shopAddressById); System.out.println(orderForm); //把orderform存入数据库 IOrderFormService iOrderFormService = new OrderFormServiceImpl(); iOrderFormService.saveOrderForm(orderForm); //把对应的订单项存入数据库当中（orderline） for (ShopCar shopCar : confrim) { IOrderLineService iOrderLineService = new OrderLineServiceImpl(); OrderLine orderLine = new OrderLine(); orderLine.setBook(shopCar.getBook()); orderLine.setNum((long) shopCar.getNum()); orderLine.setCost((shopCar.getBook().getPrice()*shopCar.getNum())); orderLine.setOrderForm(orderForm); System.out.println(orderLine); iOrderLineService.saveOrderLine(orderLine); } }*/ }