JSP 网上订餐系统，附带完整源码与数据库.zip

package com.sxdx.servlet; import java.io.IOException; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.sxdx.dao.FoodInfoDAO; import com.sxdx.dao.FoodOrderInfoDAO; import com.sxdx.vo.FoodInfo; import com.sxdx.vo.FoodOrderInfo; public class FoodInfoServlet extends HttpServlet { /** * Constructor of the object. */ public FoodInfoServlet() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); request.setCharacterEncoding("utf-8"); FoodInfoDAO foodDAO = new FoodInfoDAO(); String op=request.getParameter("op"); if(op.equals("reg")) { String customerName=request.getParameter("customerName") ; String address=request.getParameter("address"); String zipCode=request.getParameter("zipCode"); String telephone=request.getParameter("telephone"); String movePhone=request.getParameter("movePhone"); String notice=request.getParameter("notice"); double totalPrice=Double.parseDouble(request.getParameter("totalPrice")); FoodOrderInfo foodOrderinfo=new FoodOrderInfo(customerName, address, zipCode, telephone, movePhone, notice, totalPrice); FoodOrderInfoDAO forDAO =new FoodOrderInfoDAO(); if(forDAO.regUserInfo(foodOrderinfo)) { request.getRequestDispatcher("/end.jsp").forward(request, response); }else { request.setAttribute("fail", "失败"); request.getRequestDispatcher("/end.jsp").forward(request, response); } } if(op.equals("details")) { String foodid=request.getParameter("foodid"); FoodInfo food= foodDAO.selectFoodById(foodid); request.setAttribute("food", food); request.getRequestDispatcher("/fooddetails.jsp").forward(request, response); } if(op.equals("login")) { ArrayList<FoodInfo> foodlist = foodDAO.selectAllFood(); request.setAttribute("foodlist", foodlist); request.getRequestDispatcher("/showfood.jsp").forward(request, response); } } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }