indexfilter.java

提供房屋出租信息

package cwnu.com.filter;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cwnu.com.admin.*;
import cwnu.com.rentInfo.*;
import cwnu.com.saleInfo.*;

public class IndexFilter extends HttpServlet implements Filter {

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain filterChain) throws IOException, ServletException {
		
	     ArrayList<rentInfoVo> rentList = new ArrayList<rentInfoVo>();//存放租房信息
         ArrayList<saleInfoVo> saleList = new ArrayList<saleInfoVo>();//存放售房信息
         ArrayList<announceMentVo> announceMentList = new ArrayList<announceMentVo>();//存放公告信息
         
         setRInfoList RList = new setRInfoList();
         rentList = RList.setList("select * from RentOutAndIn");//得到租房信息的链表
         
         
         setSInfoList SList = new setSInfoList();
         saleList = SList.setList("select * from SaleAndBuy");//得到售房信息链表
         
         setAnnounceMentList AList = new setAnnounceMentList();
         announceMentList = AList.setAList("select * from AnnounceMent");
         
         HttpServletRequest myrequest = (HttpServletRequest)request;
         myrequest.getSession(true).setAttribute("rentList", rentList);
         myrequest.getSession(true).setAttribute("saleList", saleList);
         
         
         myrequest.getSession(true).setAttribute("announceMentList", announceMentList);
          System.out.println("进入过虑器");
         filterChain.doFilter(request, response);
         
	}
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}