pager.java

该项目基于mvc模式

package com.sunny.test.page;

public class Pager
{
	private int currentPage;// 当前页数
	private int size = 4;// 每页显示多少记录
	private int totalCounts;// 总记录数
	private int totalpages;// 总页数
	private int firstPage;
	private int lastPage;
	private int prePage;
	private int nextPage;
	private int startposition;// 开始记录位置

	public int getStartposition()
	{
		return (getCurrentPage() - 1) * size;
	}

	public void setStartposition(int startposition)
	{
		this.startposition = startposition;
	}

	public int getFirstPage()
	{
		return 1;
	}

	public void setFirstPage(int firstPage)
	{
		this.firstPage = firstPage;
	}

	public int getLastPage()
	{
		return getTotalpages();
	}

	public void setLastPage(int lastPage)
	{
		this.lastPage = lastPage;
	}

	public int getPrePage()
	{
		if (getCurrentPage() - 1 <= 0)
			return 1;
		return getCurrentPage() - 1;
	}

	public void setPrePage(int prePage)
	{
		this.prePage = prePage;
	}

	public int getNextPage()
	{
		if (getCurrentPage() + 1 > getTotalpages())
			return getTotalpages();
		return getCurrentPage() + 1;
	}

	public void setNextPage(int nextPage)
	{
		this.nextPage = nextPage;
	}

	public Pager(int currentPage, int totalCounts)
	{

		this.currentPage = currentPage;
		this.totalCounts = totalCounts;
	}

	public int getCurrentPage()
	{
		return currentPage;
	}

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

	public int getSize()
	{
		return size;
	}

	public void setSize(int size)
	{
		this.size = size;
	}

	public int getTotalCounts()
	{
		return totalCounts;
	}

	public void setTotalCounts(int totalCounts)
	{
		this.totalCounts = totalCounts;
	}

	public int getTotalpages()
	{
		if (totalCounts % size == 0)
			return totalCounts / size;
		return totalCounts / size + 1;

	}

	public void setTotalpages(int totalpages)
	{
		this.totalpages = totalpages;
	}

}