import java.util.ArrayList;
import java.util.List;
public class FenYe
{
static double allpage=0; //總頁數
static double currpage=0; //當前頁
static double pagesize=10; //顯示行
static int startindex=0; //起始索引
static int endindex=0; //結束索引
static List alldata=null; //分完的數據
/**
* 得到當前頁
* @return
*/
public static int getCurrpage() {
return (int)currpage;
}
/**
* 設置當前頁
* @param currpage
*/
public void setCurrpage(int currpage) {
currpage = currpage;
}
/**
* 得到頁大小(每頁顯示的行數)
* @return
*/
public static int getPagesize() {
return (int)pagesize;
}
/**
* 設置頁大小(每頁顯示的行數)
* @param pagesize
*/
public void setPagesize(int pagesize) {
pagesize = pagesize;
}
public static List getFenYe(List indata,int curpage)
{
if(curpage<=1){
currpage=1;
}else{
currpage=curpage;
}
allpage=(int)(Math.ceil(((double)indata.size())/pagesize));
if(curpage>allpage){
currpage=allpage;
}
startindex=(int) ((currpage-1)*pagesize);
endindex=(int) ((currpage-1)*pagesize+pagesize);
if(endindex>=indata.size())
{
endindex=indata.size();
}
for(int i=startindex;i<endindex;i++){
if(alldata==null){
alldata=new ArrayList();
}
alldata.add(indata.get(i));
}
return alldata;
}
public static void main(String[] args) {
ArrayList ls=new ArrayList();
for(int i=0;i<13;i++){
ls.add(i);
}
List le=FenYe.getFenYe(ls,6);
for(int i=0;i<le.size();i++){
System.out.println(le.get(i)+"||");
}
System.out.println("當前頁"+FenYe.getCurrpage()+"|每頁行數"+FenYe.getPagesize());
}
}