/**
*  Title  財務管理系統
*  @author: trowa
*  Company: http://www.upol.cn
*  Copyright: Copyright (c) 2004
*  @version 1.0
*  管理員表中的一些查詢操作
*/

//分頁顯示

package caiwu;

public class DisPage {


private int l_start;   //開始紀錄
private int l_end;     //結束紀錄
private int l_curpage; //當前頁數
private int l_totalnum;//總記錄數
private int int_num=20;  //每頁20條
private int l_totalpage; //總的頁數

public void Init(int currentpage,int totalnum)
{
    l_curpage = currentpage;
    l_totalnum = totalnum;

    if (currentpage>=0)
    {
         if (currentpage>=(int)Math.ceil(l_totalnum/int_num))
            l_curpage = (int)Math.floor(l_totalnum/int_num);
         else
            l_curpage = currentpage;
    }
    else
    {
            l_curpage = 0;
    }

    l_start = l_curpage * int_num;
    l_end   = l_start + int_num;

    if (l_end > l_totalnum)
            l_end = l_totalnum;

    l_totalpage = (int)Math.ceil(l_totalnum/int_num);

}

public int getCurpage()
{
    return l_curpage;
}
public int getPrepage()
{
    if (l_curpage-1>=0)
    {
        return l_curpage-1;
    }
    else
    {
        return 0;
    }
}
public int getNextpage()
{
    if (l_curpage+1<=l_totalpage)
    {
        return l_curpage+1;
    }
    else
    {
        return l_totalpage;
    }
}
public int getTotalnum()
{
    return l_totalnum;
}
public int getTotalpage()
{
    return l_totalpage;
}
public int getStart()
{
    return l_start;
}
public int getEnd()
{
    return l_end;
}
//結束
public DisPage() {}
}