orderservlet.java

jsp+servlet网上购物,是一个实现mvc的网站

package com.ebook.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 com.ebook.Entity.*;
import com.ebook.impl.*;
import javax.servlet.http.HttpSession;
import com.ebook.Util.*;
import java.util.*;

/**
 *
 * @author 闅嗙
 */
public class OrderServlet extends HttpServlet {

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

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

          String action = request.getParameter("action");
        try {
            if (action.equals("configurOrder")) {
                configurOrder(request, response);
            }
            if (action.equals("configurOrder2")) {
                configurOrder2(request, response);
            } else {
                //  request.getRequestDispatcher("error.jsp").forward(request, response);
            }
        } catch (Exception e) {
        }

    }
    public void configurOrder(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute("user");
        if (user == null) {
            request.setAttribute("error", "对不起你还没有登录");
            request.getRequestDispatcher("error.jsp").forward(request, response);
        }else
        {
        Order order = new Order();
        order.setPostName(request.getParameter("postName"));
        order.setPostNumber(request.getParameter("postNum"));
        order.setPostTel(request.getParameter("postTel"));
        order.setPostAdress(request.getParameter("postAdd"));
        request.setAttribute("order", order);
        shopCart cart = (shopCart) session.getAttribute("cart");
        ArrayList<cartItem> all = cart.getCart();
        request.setAttribute("all", all);
        String total = String.valueOf(cart.getTotal());
        request.setAttribute("total", total);
        request.getRequestDispatcher("showOrder.jsp").forward(request, response);
        }
    }

    public void configurOrder2(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute("user");
        if (user == null) {
            request.setAttribute("error", "对不起你还未登录，请先登录");
            request.getRequestDispatcher("error.jsp").forward(request, response);
            return;
        }
        else
        {
        Order order = new Order();
        order.setPostName(user.getName());
        order.setPostNumber(user.getPostNum());
        order.setPostTel(user.getPhone());
        order.setPostAdress(user.getAddress());
        request.setAttribute("order", order);
        shopCart cart = (shopCart) session.getAttribute("cart");
        ArrayList<cartItem> all = cart.getCart();
        request.setAttribute("all", all);
        String total = String.valueOf(cart.getTotal());
        request.setAttribute("total", total);
        request.getRequestDispatcher("showOrder.jsp").forward(request, response);
        }
    }
}