pagebean.java

来自「自已个人写的一款比较好的分页java+javabean+struts标签完成的自」· Java 代码 · 共 69 行

package cn.com.thinkbank.bean;

public class PageBean {
	/**
	 * 每页显示的记录数
	 */
	private int pageSize;

	/**
	 * 总页数
	 */
	// private int totalPages;
	/**
	 * 当前页号
	 */
	private int currentPage = 1;

	/**
	 * 总记录条数
	 */
	private int totalResults;

	public PageBean(int pageSize, int totalResults) {
		super();

		this.pageSize = pageSize;
		this.totalResults = totalResults;
	}

	public boolean hasNextPage() {
		return currentPage < this.getTotalPages();
	}

	public boolean hasPreviousPage() {
		return currentPage > 1;
	}

	public int getTotalPages() {
		return (int) Math.ceil(totalResults / (double) pageSize);
	}

	public int getCurrentPage() {
		return currentPage;
	}

	public int getPageSize() {
		return pageSize;
	}

	public int getTotalResults() {
		return totalResults;
	}

	public void setCurrentPage(int currentPage) {
		this.currentPage = currentPage;
	}

	public int getStartResult() {
		// TODO 自动生成构造函数存根
		return (currentPage - 1) * pageSize;
	}

	public static void main(String[] args) {
		PageBean pageBean = new PageBean(5, 11);
		System.out.println(pageBean.getTotalPages());
	}

}