Jsp+servlet+mysql酒店订单管理系统的设计与实现(源代码+毕设).zip

package com.anhuiU.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import javax.print.attribute.standard.PDLOverrideSupported; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.anhuiU.dao.UserDao; import com.anhuiU.model.User; import com.uitils.PageBean; import com.uitils.PageBeanDao; public class UserManageServlet extends HttpServlet { /** * Constructor of the object. */ public UserManageServlet() { 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 { this.doPost(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 { response.setContentType("text/html"); String tbName="user"; PageBeanDao pbd=new PageBeanDao(); PageBean pbean=pbd.getPageRowSava(1,tbName); pbean.setSumPage(pbd.getCountPage(pbean.getSumSava()).getSumPage()); UserDao ud=new UserDao(); String action=request.getParameter("action"); if(action.equals("select")){ PageBean pb=pbd.getPageRowSava(pbean.getThisPage(),tbName); request.setAttribute("pb", pb); request.setAttribute("userList", pb.getMap()); request.setAttribute("thisPage", pb.getThisPage()); request.setAttribute("befPage",1); if(pbean.getSumPage()>1){ request.setAttribute("nextPage", 2); } else{ request.setAttribute("nextPage", 1); } RequestDispatcher rd=request.getRequestDispatcher("../admin/userManage.jsp"); rd.forward(request, response); } if(action.equals("page")){ int befPage=0,nextPage=0; int thisPage=new Integer(request.getParameter("page")); if(thisPage-1<=0){ thisPage=1; befPage=1; } else{ befPage=thisPage-1; } if(thisPage+1 >pbean.getSumPage()){ thisPage=pbean.getSumPage(); nextPage=pbean.getSumPage(); } else { nextPage=thisPage+1; } PageBean pb=pbd.getPageRowSava(thisPage, tbName); request.setAttribute("pb", pb); request.setAttribute("userList", pb.getMap()); request.setAttribute("thisPage", thisPage); request.setAttribute("befPage",befPage); request.setAttribute("nextPage", nextPage); RequestDispatcher rd=request.getRequestDispatcher("../admin/userManage.jsp"); rd.forward(request, response); } if(action.equals("selectById")){ int id=new Integer(request.getParameter("id")); User user=ud.selectById(id); request.setAttribute("user", user); RequestDispatcher rd=request.getRequestDispatcher("../admin/userInfo.jsp"); rd.forward(request, response); } if(action.equals("delete")){ int id=new Integer(request.getParameter("id")); ud.delete(id); PageBean pb=pbd.getPageRowSava(pbean.getThisPage(),tbName); request.setAttribute("pb", pb); request.setAttribute("userList", pb.getMap()); request.setAttribute("thisPage", pb.getThisPage()); request.setAttribute("befPage",1); if(pbean.getSumPage()>1){ request.setAttribute("nextPage", 2); } else{ request.setAttribute("nextPage", 1); } RequestDispatcher rd=request.getRequestDispatcher("../admin/userManage.jsp"); rd.forward(request, response); } } /** * Initialization of the servlet. * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }