readbymultipage.java

来自「辅助办公系统,具有发布公告、站内邮箱、日程安排、日志查看等功能」· Java 代码 · 共 43 行

package com.x3408.office;

import java.util.Vector;

public class ReadByMultipage {
	private Vector list=null;
	private int pageSize=0;
	private int recordCount=0;
	private int pageCount=0;
	private int showPage=0;
	public ReadByMultipage(Vector pList,int pPageSize){
		if(pList==null||pList.size()<1)return;
		list=pList;
		pageSize=pPageSize;
		recordCount=list.size();
		pageCount=recordCount%pageSize==0?recordCount/pageSize:recordCount/pageSize+1;
	}
	public Vector getPage(String pShowPage){
		Vector<Object> listPage=null;
		if(list==null||list.size()<1)return null;
		listPage=new Vector<Object>();
		showPage=pShowPage==null?1:Integer.parseInt(pShowPage);
		if(showPage<1){
			showPage=1;
		}else if(showPage>pageCount){
			showPage=pageCount;
		}
		for(int i=(showPage-1)*pageSize;i<showPage*pageSize&&i<recordCount;i++){
			listPage.addElement(list.elementAt(i));
		}
		return listPage;
	}
	public String getShowPage(){
		return String.valueOf(showPage);
	}
	public String getPageCount(){
		return String.valueOf(pageCount);
	}
	public String getRecordCount(){
		return String.valueOf(recordCount);
	}
}