高分项目基于Javaweb的在线购书管理系统源码+数据库sql.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.impl.OrderFormServiceImpl; import com.briup.service.impl.OrderLineServiceImpl; import com.briup.service.impl.ShopAddressServiceImpl; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.annotation.*; import java.io.IOException; import java.util.Date; import java.util.List; @WebServlet(name = "OrderCommitServlet", value = "/orderCommit") public class OrderCommitServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { IShopAddressService shopAddressService = new ShopAddressServiceImpl(); IOrderFormService orderFormService = new OrderFormServiceImpl(); IOrderLineService orderLineService = new OrderLineServiceImpl(); //1、接收参数 String receiveName = request.getParameter("receiveName"); //接收其他参数... String address = request.getParameter("address"); String phone = request.getParameter("phone"); String shipAddId = request.getParameter("shipAddId"); //获取当前登录用户 HttpSession session = request.getSession(); Customer customer = (Customer) session.getAttribute("customer"); //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("") && address.equals("") && phone.equals("")) { //说明使用旧的地址 //没有选择地址的情况下 if (shipAddId.equals("")) { response.sendRedirect("/confirm.jsp"); return; } else { Integer addId = Integer.valueOf(shipAddId); shopAddress.setId(addId); } } else { //输入框不为空，设置为新地址 shopAddress.setAddress(address); shopAddress.setReceiveName(receiveName); shopAddress.setPhone(phone); shopAddress.setCustomer(customer); //保存新地址saveAddress，地址id自动生成 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OrderFrom对象（时间可以直接new Date） //获取购物车信息 List<ShopCar> shopCarList = (List<ShopCar>) session.getAttribute("confirm"); //遍历购物车记录，求订单总价 Double total = 0.0; for (ShopCar shopCar : shopCarList) { total += shopCar.getBook().getPrice() * shopCar.getNum(); } //订单信息 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saveOrderFrom（需要selectKey） orderFormService.saveOrderForm(orderForm);//保存订单信息 //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) { //订单 OrderLine orderLine = new OrderLine(); orderLine.setBook(shopCar.getBook()); orderLine.setNum((long) shopCar.getNum()); orderLine.setCost(shopCar.getBook().getPrice() * shopCar.getNum()); orderLine.setOrderForm(orderForm); //保存订单项 orderLineService.saveOrderLine(orderLine); } //结束 response.sendRedirect("/orderList"); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }