不错的php分页类

王朝php·作者佚名  2006-12-16
窄屏简体版  字體: |||超大  

<?php

/*

** File: class.pagenumber.php

** Class: PageNumber

** Version: none

** Created: 5/12/2004

** Author: Morgan Woo

** Email: morgan.woo@163.com

** Update:huabing lv

** Email:hb_lv@hotmail.com

**

** Copyright (c) 2004 Mr.Woo . All rights reserved.

*/

class Pager{

//生成的页码(事实上不用也行)

var $pageNumber='';

//需要分类的条目总数

var $totalItems=0;

//数据连接相关

var $conn;

var $sql;

//每页显示几个条目

var $itemsPerPage=3;

//总页数

var $totalPageNumber=0;

//当前页码!

var $currentPageNumber=1;

//一个页面显示几个页码

var $length=10;

//需要分页的url

var $url='';

function Pager($conn,$sql,$currentPageNumber,$itemsPerPage,$length,$url){

$this->currentPageNumber=$currentPageNumber;

$this->conn=$conn;

$this->sql=$sql;

$this->itemsPerPage=$itemsPerPage;

$this->length=$length;

$this->url=$url;

$this->url.=(stristr($this->url,'?')!=false)?'&':'?'; //Url里有"?"就加"&"没有就加"?"

$this->getTotalPageNumber();

}

function getTotalItems(){

//for adodb

$rs=$this->conn->Execute($this->sql);

$this->totalItems=$rs->RecordCount();

return $this->totalItems;

}

function getTotalPageNumber(){

$this->totalPageNumber=ceil($this->getTotalItems()/$this->itemsPerPage);

return $this->totalPageNumber;

}

//SQL里 LIMIT start,length 中的起始值

function getLimitStart(){

$start=($this->currentPageNumber-1)*$this->itemsPerPage;

return $start;

}

//SQL里 LIMIT start,length 中的length

function getLimitItems(){

return $this->itemsPerPage;

}

function getRsPerPage(){

$modiSQL=$this->sql." limit ".$this->getLimitStart()." ,".$this->getLimitItems();

//偶用的是adodb的说

$modiRS=$this->conn->Execute($modiSQL);

$arr=$modiRS->GetArray();

return $arr;

}

//主函数.中文分页

function getPageNumber(){

if ($this->getTotalPageNumber()>1){

$pageNumber='当前第'.$this->currentPageNumber.'页/共'.$this->totalPageNumber.'页';

//显示第一页和前一页

if ($this->currentPageNumber>1){

//第一页

//First Page

$pageNumber.="<B><A HREF=".$this->url."page=1>第一页</A> </B> ";

//前一页

//Previous Page

$pageNumber.="<B><A HREF=".$this->url."page=".($this->currentPageNumber-1).">前一页</A> </B>";

}

//The start number is the first number of all pages which show on the current page.

$startNumber=intval($this->currentPageNumber/$this->length)*$this->length;

//Prev N page

//交界处

if ($this->currentPageNumber>=$this->length){

$pageNumber.="[<B><A HREF=".$this->url."page=".($startNumber-1).">".($startNumber-1)."</A></B>]...";

}

$leftPageNumber=0;

for ($i=$startNumber;$i<=$this->totalPageNumber;$i++){

if ($i==0)continue;

if ($i-$startNumber<$this->length){

if ($i==$this->currentPageNumber){

$pageNumber.="[<b>$i</b>]";

}else{

$pageNumber.="[<A HREF=".$this->url."page=".$i.">".$i."</A>]";

}

}else{

$leftPageNumber=$this->totalPageNumber-$i+1;

break;

}

}

//显示下一个分页列表

if ($leftPageNumber>=1){

$pageNumber.="...[<B><A HREF=".$this->url."page=".($startNumber+$this->length).">".($startNumber+$this->length)."</A></B>] ";

}

if ($this->currentPageNumber!=$this->totalPageNumber){

//Next page

$pageNumber.="<B><A HREF=".$this->url."page=".($this->currentPageNumber+1).">下一页</A> </B>";

//Last page

$pageNumber.="<B><A HREF=".$this->url."page=".$this->totalPageNumber.">最后页</A> </B>";

}

$this->pageNumber=$pageNumber;

return $this->pageNumber;

}

}

//英文分页

function getPageNumber2(){

if ($this->getTotalPageNumber()>1){

$pageNumber='P'.$this->currentPageNumber.'/'.$this->totalPageNumber.'';

//显示第一页和前一页

if ($this->currentPageNumber>1){

//第一页

//First Page

$pageNumber.="<B><A HREF=".$this->url."page=1>FIRST</A> </B> ";

//前一页

//Previous Page

$pageNumber.="<B><A HREF=".$this->url."page=".($this->currentPageNumber-1).">PREV</A> </B>";

}

//The start number is the first number of all pages which show on the current page.

$startNumber=intval($this->currentPageNumber/$this->length)*$this->length;

//Prev N page

//交界处

if ($this->currentPageNumber>=$this->length){

$pageNumber.="[<B><A HREF=".$this->url."page=".($startNumber-1).">".($startNumber-1)."</A></B>]...";

}

$leftPageNumber=0;

for ($i=$startNumber;$i<=$this->totalPageNumber;$i++){

if ($i==0)continue;

if ($i-$startNumber<$this->length){

if ($i==$this->currentPageNumber){

$pageNumber.="[<b>$i</b>]";

}else{

$pageNumber.="[<A HREF=".$this->url."page=".$i.">".$i."</A>]";

}

}else{

$leftPageNumber=$this->totalPageNumber-$i+1;

break;

}

}

//显示下一个分页列表

if ($leftPageNumber>=1){

$pageNumber.="...[<B><A HREF=".$this->url."page=".($startNumber+$this->length).">".($startNumber+$this->length)."</A></B>] ";

}

if ($this->currentPageNumber!=$this->totalPageNumber){

//Next page

$pageNumber.="<B><A HREF=".$this->url."page=".($this->currentPageNumber+1).">NEXT</A> </B>";

//Last page

$pageNumber.="<B><A HREF=".$this->url."page=".$this->totalPageNumber.">LAST</A> </B>";

}

$this->pageNumber=$pageNumber;

return $this->pageNumber;

}

}

}

//$currentPageNumber=( isset($_GET['page']) ) ? intval($_GET['page']) : 1;

//include("PAGENUMBER/class.pagenumber.php");

//$pageNumber= new PageNumber($adodbConn,$sql,$currentPageNumber,10,3,3,"test.php");

//echo $pageNumber->getPageNumber2();

//echo "<br>";

//echo $pageNumber->getPageNumber();

?>

 
 
 
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