pagebean.java

实现统一的人员日志管理系统管理后台

package com.tb.log.util.pages;



public class PageBean {
	private int pageSize;			//每页显示的记录数	
	private int totalResults;		//总记录数
	private int currentPage;		//当前页号	
	private int totalPages;			//总页数
	private int previousPage;
	private int nextPage;
	public void setPreviousPage() {
		this.previousPage = this.currentPage-1;
	}
	public void setNextPage() {
		this.nextPage = this.currentPage+1;
	}
	public PageBean(){
		super();
	}
	public PageBean(int totalResults,int pageSize){
		this.totalResults = totalResults;
		this.pageSize = pageSize;
		this.totalPages = (int)Math.ceil(totalResults/(double)pageSize);
	}
	
	//是否存在下一页
	public boolean hasNextPage(){
		if(this.currentPage>=this.totalPages){
			return false;
		}else{
			return true;
		}
	}
	
	//是否存在上一页
	public boolean hasPreviousPage(){
		if(this.currentPage<=1){
			return false;
		}else{
			return true;
		}
	}
	
	public int getPageSize() {
		return pageSize;
	}
	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	public int getTotalResults() {
		return totalResults;
	}
	public void setTotalResults(int totalResults) {
		this.totalResults = totalResults;
	}
	public int getCurrentPage() {
		return currentPage;
	}
	public int getNextPage(){
		return nextPage;
	}
	public int getPreviousPage(){
		return previousPage;
	}
	public void setCurrentPage(int currentPage) {
		this.currentPage = currentPage;
	}
	public int getTotalPages() {
		return totalPages;
	}
	public void setTotalPages(int totalPages) {
		this.totalPages = totalPages;
	}
}