List分页

public ArrayList doPagination(int pagesize,int index,ArrayList list){        ArrayList list2=new ArrayList();        try{            int i=pagesize*(index-1);            while(i<pagesize*index){                if ( i<=(list.size()-1) )                {                Dto dto= (Dto)list.get(i);                                list2.add(dto);                }                else{                    break;                }                i++;            }        }catch(Exception e){            e.printStackTrace();        }        return list2;    }