java代碼：package work.bean.jsp.admin;import java.sql.SQLException;import java.util.*;import work.entity.MainItem;import work.entity.dao.MainItemAO;public class Main{public Main()throws SQLException{List all = MainItemAO.DEFAULT_INSTANCE.queryAll();news = new ArrayList(all.size());journey = new ArrayList(all.size());talking = new ArrayList(all.size());Iterator i$ = all.iterator();do{if(!i$.hasNext())break;MainItem t = (MainItem)i$.next();switch(t.getClass_()){case 1: // '\001'news.add(t);break;case 2: // '\002'journey.add(t);break;case 4: // '\004'talking.add(t);break;}} while(true);}public List getTalking(){return talking;}public void setTalking(List talking){this.talking = talking;}public List getJourney(){return journey;}public void setJourney(List journey){this.journey = journey;}public List getNews(){return news;}public void setNews(List news){this.news = news;}private List news;private List journey;private List talking;}jsp文件：<%@page contentType="text/html" pageEncoding="UTF-8"%><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%><jsp:useBean id="bean" class="work.bean.jsp.admin.Main"/>急，請高手指導