bbsservlet.java~4~

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

package com.pet.bbs.action;

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

public class BbsServlet 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("vetName");
        int VID = Integer.parseInt(svid);
        BbsDao bbsdao = new Bbsimpl();
        ArrayList arrayList = new ArrayList();
        arrayList = bbsdao.allbbs(VID);
        HttpSession session = request.getSession();
        session.setAttribute("bbsbean", arrayList);

        //实力化业务逻辑接口实现类
        BbsDao queryEmployee = new Bbsimpl();
        //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);
        }


        //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("bbsmain.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() {
    }
}