allbespokeservlet.java

JBuilder 2006 +SQL Server2000 +JavaBean+JSP开发的宠物医院管理系统

package com.pet.pets.action;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.pet.pets.model.DAO.PetDao;
import com.pet.pets.model.DAO.impl.Petimpl;
import com.pet.bbs.model.DAO.BbsDao;
import com.pet.bbs.model.DAO.impl.Bbsimpl;

public class AllBespokeServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GB2312";

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

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        String svid = request.getParameter("vid");
        int vid = Integer.parseInt(svid);
        HttpSession session = request.getSession();
        //实力化业务逻辑接口实现类
        PetDao queryEmployee = new Petimpl();
        //得到会话中是否有当前页数的值
        String pageIndexSessionName = "";
        int num = 0;
        //如果没有当前页数的值,则认定为第一次提交页面,为首页
        if (request.getParameter("pageIndexSessionName") != null) {
            pageIndexSessionName = (String) request.getParameter(
                    "pageIndexSessionName").trim();
            num = 5 * Integer.parseInt(pageIndexSessionName);
        }
        //按照分页参数到接口实现方法中进行查询
        ArrayList  employeeList =  queryEmployee.allBespoke(vid,num);
        request.setAttribute("allb", employeeList);


        //查询总记录数
        String count = "";
        count = queryEmployee.queryEmployeeAll(vid);

        //传递分页参数:rowCountSessionName表的总数,pageNumberSessionName每页的显示条数
        session.setAttribute("rowCountSessionName", count);
        session.setAttribute("pageNumberSessionName", "5");
        session.setAttribute("pageIndexSessionName", pageIndexSessionName);

        request.getRequestDispatcher("seebespoke.jsp").forward(request,response);
    }

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

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