page.java

利用javaEE开发而实现图书的购买的一个系统

package org.yangkang.bookshop.util;

public class Page {
	private int pagesize = 4;
	private int totalpage;
	private int currentpage;
	private int totalsize;
	private int nextpage;
	private int previorpage;
	
	private boolean hasfistpage;
	private boolean hasnextpage;
	private boolean lastpage;
	
	public Page(int currentpage,int totalsize){
		this.currentpage = currentpage;
		this.totalsize = totalsize;
	}
	
	public int getPagesize() {
		return pagesize;
	}
	public void setPagesize(int pagesize) {
		this.pagesize = pagesize;
	}
	public int getTotalpage() {
		totalpage = totalsize/pagesize;
		if(totalsize%pagesize!=0)
			totalpage++;		
		return totalpage;
	}
	public void setTotalpage(int totalpage) {		
		this.totalpage = totalpage;
	}
	public int getCurrentpage() {
		return currentpage;
	}
	public void setCurrentpage(int currentpage) {
		this.currentpage = currentpage;
	}
	public int getTotalsize() {
		return totalsize;
	}
	public void setTotalsize(int totalsize) {
		this.totalsize = totalsize;
	}
	public int getNextpage() {
		nextpage = currentpage+1;
		return nextpage;
	}
	public void setNextpage(int nextpage) {
		this.nextpage = nextpage;
	}
	public int getPreviorpage() {
		previorpage = currentpage-1;
		return previorpage;
	}
	public void setPreviorpage(int previorpage) {
		this.previorpage = previorpage;
	}
	public boolean isHasfistpage() {
		if(currentpage==1){
			hasfistpage = false;
			return false;
		}
		hasfistpage = true; 
		return hasfistpage;
	}
	public void setHasfistpage(boolean hasfistpage) {
		this.hasfistpage = hasfistpage;
	}
	public boolean isHasnextpage() {
		if(currentpage==totalpage){
			hasnextpage = false;
			return hasnextpage;
		}
		hasnextpage = true;
		return hasnextpage;
	}
	public void setHasnextpage(boolean hasnextpage) {
		this.hasnextpage = hasnextpage;
	}
	public boolean isLastpage() {
		if(currentpage==totalpage){
			lastpage = false;
			return lastpage;
		}
		lastpage = true;
		return lastpage;
	}
	public void setLastpage(boolean lastpage) {
		this.lastpage = lastpage;
	}
	

}