javaweb教程网上书城项目

package com.ly.web; import com.ly.entity.*; import com.ly.service.OrderService; import com.ly.service.impl.OrderServiceImpl; import com.ly.utils.WebBeanUtil; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.List; public class OrderServlet extends BaseServlet{ OrderService orderService = new OrderServiceImpl(); protected void createOrder(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { //获取购物车对象 Car car = (Car) req.getSession().getAttribute("car"); //获取用户id User loginUser = (User) req.getSession().getAttribute("user"); if (loginUser==null){ req.getRequestDispatcher("/pages/user/login.jsp").forward(req,resp); return; } System.out.println("orderServlet程序在"+Thread.currentThread().getName()); Integer userId = loginUser.getId(); //调用order service生成订单 String orderId = orderService.createOrder(car,userId); // req.setAttribute("orderId",orderId); // //请求转发到checkout.jsp中 // req.getRequestDispatcher("/pages/cart/checkout.jsp").forward(req,resp); //解决表单重复提交问题 req.getSession().setAttribute("orderId",orderId); resp.sendRedirect(req.getContextPath()+"/pages/cart/checkout.jsp"); } protected void queryAllOrders(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { User loginUser = (User) req.getSession().getAttribute("user"); if (loginUser==null){ req.getRequestDispatcher("/pages/user/login.jsp").forward(req,resp); return; } int userId = loginUser.getId(); List<Order> order = (List<Order>) orderService.queryOrders(userId); req.setAttribute("order",order); req.getRequestDispatcher("/pages/order/order.jsp").forward(req,resp); } protected void queryOrderItems(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String orderId = req.getParameter("orderId"); List<OrderItem> orderItem = (List<OrderItem>) orderService.queryOrderItemsByOrderId(orderId); System.out.println(orderItem); req.setAttribute("orderItem",orderItem); req.getRequestDispatcher("/pages/order/order_details.jsp").forward(req,resp); } protected void allOrders(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { List<Order> orders = (List<Order>) orderService.queryAll(); req.setAttribute("orders",orders); req.getRequestDispatcher("/pages/manager/order_manager.jsp").forward(req,resp); } protected void sendOrder(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String orderId = req.getParameter("orderId"); req.getSession().setAttribute("orderId",orderId); Order order = orderService.queryOrderByOrderId(orderId); orderService.sendOrder(orderId); req.getRequestDispatcher("orderServlet?action=allOrders").forward(req,resp); } protected void receiveOrder(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String orderId = req.getParameter("orderId"); User loginUser = (User) req.getSession().getAttribute("user"); if (loginUser==null){ req.getRequestDispatcher("/pages/user/login.jsp").forward(req,resp); return; } int userId = loginUser.getId(); Order order = orderService.queryOrderByOrderId(orderId); orderService.receiveOrder(orderId); req.getRequestDispatcher("orderServlet?action=queryAllOrders&userId=userId").forward(req,resp); } }