package com.bean; /** * * @author Administrator * */ import java.io.File; import java.sql.ResultSet; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import com.util.Constant; import com.util.DBO; public class FriendLinkBean { private List list; private ResultSet rs; private String date=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Calendar.getInstance().getTime()); //友情链接分页 private int EVERYPAGENUM = 2; private int count = -1; private int qq = 0; private String sql="select count(*) from friendlink where ifhide!='2'"; private String sql2="select * from friendlink where ifhide!='2' order by ordervalue desc "; public void setEVERYPAGENUM(int EVERYPAGENUM){ this.EVERYPAGENUM=EVERYPAGENUM; } public int getMessageCount() { //得到信息总数 DBO dbo=new DBO(); dbo.open(); try { rs = dbo.executeQuery(sql); rs.next(); count = rs.getInt(1); return count; } catch (SQLException ex) { ex.printStackTrace(); return -1; } finally { dbo.close(); } } public int getPageCount() { //得到共多少页(根据每页要显示几条信息) if (count % EVERYPAGENUM == 0) { return count / EVERYPAGENUM; } else { return count / EVERYPAGENUM + 1; } } public List getMessage(int page) { //得到每页要显示的信息 DBO dbo=new DBO(); dbo.open(); List list = new ArrayList(); try { rs = dbo.executeQuery(sql2); for (int i = 0; i < (page - 1) * EVERYPAGENUM; i++) { rs.next(); } for (int t = 0; t < EVERYPAGENUM; t++) { if (rs.next()) { qq++; List list2=new ArrayList(); list2.add(rs.getInt(1)); list2.add(rs.getString(2)); list2.add(rs.getString(3)); list2.add(rs.getString(4)); list2.add(rs.getString(5)); list2.add(rs.getInt(6)); list2.add(rs.getInt(7)); list2.add(rs.getString(8)); list.add(list2); } else { break; //减少空循环的时间 } } return list; } catch (SQLException ex) { ex.printStackTrace(); return list; } finally { dbo.close(); } } public List getAllShowFriendLink(){ String sql = "select linkname,linkurl,linkpic,intero from friendlink where ifhide='1' order by ordervalue desc"; DBO dbo = new DBO(); list = new ArrayList(); dbo.open(); try{ rs = dbo.executeQuery(sql); while(rs.next()){ List list2 = new ArrayList(); list2.add(rs.getString(1)); list2.add(rs.getString(2)); list2.add(rs.getString(3)); list2.add(rs.getString(4)); list.add(list2); } return list; }catch(Exception e){ e.printStackTrace(); return list; }finally{ dbo.close(); } } }