<?php

class PageClass {

	private $total_record;//总记录

	private $page_size;//页记录数

	private $current_page;//当前页

	private $total_page_size;//总页数

	private $page_url;   //页面url

	private $page_start;  //起始页

	private $page_stop;//结束页

	public $page_limit;  //limit,

    function __construct($total_record=0,$page_size=1,$current_page=1,$page_url) {

    	$this->total_record=$this->numeric($total_record);

    	$this->page_size=$this->numeric($page_size);

    	$this->current_page=$this->numeric($current_page);

    	$this->page_limit=($this->current_page*$this->page_size)-$this->page_size;

        $this->page_url=$page_url;

        if($this->current_page<1){

        	$this->current_page=1;

        }



        if($this->current_page<0){

        	$this->current_page=0;

        }

        $total_page_size = ceil($total_record/$page_size);



        if($this->total_page_size<1){

        	$this->total_page_size=1;

        }

        if($this->current_page>$this->total_page_size){

        	$this->crrent_page=$this->total_page_size;

        }

        $this->page_start=$this->current_page;

        $this->page_stop=$this->current_page+5;

        if($this->page_stop>$this->total_page_size){

        	$this->page_stop=$this->total_page_size;

        	$this->page_start=$this->page_stop-5;

        }

        if($this->page_start<1){

        	$this->page_start=1;

        	if($this->page_stop > $this->total_page_size){

        		$this->page_stop=$this->total_page_size;

        	}