vetscontrol.java~11~

基于mvc的宠物管理系统。servlet+jsp

package com.richard.control;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.richard.dao.*;
import com.richard.dto.*;
import com.richard.service.*;

public class VetsControl extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
       request.setCharacterEncoding("gb2312");
       response.setCharacterEncoding("gb2312");
        response.setContentType(CONTENT_TYPE);
        String param=request.getParameter("param");
        if(param!=null)
        {
            if(param.equals("query"))
            {
                String accessPage=request.getParameter("accessPage");
                if(accessPage.equals("firstPage"))
                {
                    ArrayList objArrayList=new ArrayList();
                    request.setAttribute("currentPage",1);
                    request.setAttribute("totalPages",Factory.createVetsDetails().totalPage());
                    objArrayList=Factory.createVetsDetails().VetsDetailsQueryAll(12,1);
                    request.setAttribute("queryResult",objArrayList);
                    RequestDispatcher objDispatcher=request.getRequestDispatcher("context/queryvetsdetails.jsp");
                    objDispatcher.forward(request,response);
                }else if(accessPage.equals("endPage"))
                {
                    ArrayList objArrayList=new ArrayList();
                    request.setAttribute("currentPage",Factory.createVetsDetails().totalPage());
                    request.setAttribute("totalPages",Factory.createVetsDetails().totalPage());
                    objArrayList=Factory.createVetsDetails().VetsDetailsQueryAll(12,Factory.createVetsDetails().totalPage());
                    request.setAttribute("queryResult",objArrayList);
                    RequestDispatcher objDispatcher=request.getRequestDispatcher("context/queryvetsdetails.jsp");
                    objDispatcher.forward(request,response);

                }
                else
                {
                    ArrayList objArrayList=new ArrayList();
                 request.setAttribute("currentPage",Integer.parseInt(accessPage));
                 request.setAttribute("totalPages",Factory.createVetsDetails().totalPage());
                 objArrayList=Factory.createVetsDetails().VetsDetailsQueryAll(12,Integer.parseInt(accessPage));
                 request.setAttribute("queryResult",objArrayList);
                 RequestDispatcher objDispatcher=request.getRequestDispatcher("context/queryvetsdetails.jsp");
                 objDispatcher.forward(request,response);

                }
            }

            if(param.equals("addVets"))    //在框架中显示新增页面
            {
                ArrayList objArrayList=Factory.createSpecialties().specialtiesQueryAll();
                request.setAttribute("specialtiesNames",objArrayList);
                RequestDispatcher objDispatcher=request.getRequestDispatcher("context/addvetsdetails.jsp");
                objDispatcher.forward(request,response);
            }

            if(param.equals("addVetsSave"))    //保存新增的资料
            {
                Vets objVets=new Vets();
                Specialties objSpecialties=new Specialties();
                String vetsName=request.getParameter("vetsName");
                String specialtiesName=request.getParameter("specialtiesName");
                objVets.setName(vetsName);
                objSpecialties.setName(specialtiesName);
                Factory.createVets().vetsAdd(objVets);
                int vetsId=Factory.createVets().NameForId(objVets);
                int specialtiesId=Factory.createSpecialties().nameForId(objSpecialties);

            }
        }

    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}