简单好用的分页类 page.class.php

简单好用的PHP分页类 出处：【爱玩电脑】http://aowana.sinaapp.com PHP ?php/** * page.class.php 分页类 * 日期：2015-04-05 * http://aowana.sinaapp.com */class page{public static $url;public static $page;public static $total;public static $size;

简单好用的PHP分页类
出处：【爱玩电脑】http://aowana.sinaapp.com PHP

<?php
/**
 * page.class.php 分页类
 * 日期：2015-04-05
 * http://aowana.sinaapp.com
 */
class page
{
	public static $url;
	public static $page;
	public static $total;
	public static $size;
	public static $number;
	public static $max;

	public static $action = array('previous', 'number', 'next');

	public static function show($url, $page, $total, $size=10, $number=11)
	{
		self::$url = $url;
		self::$page = $page;
		self::$total = $total;
		self::$size = $size;
		self::$number = $number;
		self::$max = ceil($total / $size);

		$str = '';
		foreach (self::$action as $name)
			$str .= self::$name();
		return $str;
	}

	public static function first()
	{
		if (self::$page > 2)
		{
			$url = self::url(1);
			return "<li id=\"pbfirst\"><a href=\"{$url}\" title=\"首页\">首页</a></li>";
		}
	}

	public static function previous()
	{
		if (self::$page > 1)
		{
			$url = self::url(self::$page - 1);
			return "<li id=\"pbprevious\"><a href=\"{$url}\" title=\"上一页\">上一页</a></li>";
		}
	}

	public static function number()
	{
		$str = '';
		$f = self::$number % 2 ? (self::$number - 1) / 2 : self::$number / 2;
		$s = self::$page - $f;
		$e = self::$page + $f;

		if (self::$page < ($f + 1))
		{
			$s = 1;
			$e = self::$number;
			$e = $e > self::$max ? self::$max : $e;
		}

		if (self::$page > (self::$max - $f))
		{
			$s = self::$max - self::$number;
			$s = $s < 1 ? 1 : $s;
			$e = self::$max;
		}

		for ($i=$s; $i<=$e; $i++)
		{
			$url = self::url($i);
			if ($i == self::$page)
				$str .= "<li><strong>{$i}</strong></li>";
			else
				$str .= "<li><a href=\"{$url}\" title=\"第{$i}页\">{$i}</a></li>";
		}
		return $str;
	}

	public static function next()
	{
		if (self::$page < self::$max)
		{
			$url = self::url(self::$page + 1);
			return "<li id=\"pbnext\"><a href=\"{$url}\" title=\"下一页\">下一页</a></li>";
		}
	}

	public static function end()
	{
		if ((self::$max - self::$page) > 1)
		{
			$url = self::url(self::$max);
			return "<li id=\"pbend\"><a href=\"{$url}\" title=\"末页\">末页</a></li>";
		}
	}

	public static function url($page)
	{
		return str_replace('{page}', $page, self::$url);
	}
}