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php分頁類代碼
這是一款簡單，方便，功能齊全的分頁類，可以根據自己的需要更改CSS樣式文件以實現分頁顏色的控制，利用php分頁類，可以省去自己很多時間，只需要在分頁的地方嵌入即可，下面看下使用方法：
1,在head里包含pager.css
復制代碼 代碼如下:
<link href="pager.css" type="text/css" rel="stylesheet" />
2，在分頁處進行類的實例化：
復制代碼 代碼如下:
<?php
include "pager.class.php";
$CurrentPage=isset($_GET['page'])?$_GET['page']:1;
//die($CurrentPage);
$myPage=new pager(1300,intval($CurrentPage));
$pageStr= $myPage->GetPagerContent();
//echo $pageStr;
$myPage=new pager(90,intval($CurrentPage));
$pageStr= $myPage->GetPagerContent();
echo $pageStr;
?>
3，讀取mysql數據庫和分頁計算文件需要自己寫出來。例如：
$info=mysql_query("select * from member order by id desc limit $offset,$info_num"); 這樣才能調到 mysql 數據庫和當前頁碼等。
下面是一共包含的三個文件：(1) index.php：調用分頁類，顯示分頁 (2) pager.class.php：php分頁類 (3)pager.css：css樣式美化文件
(1) index.php：
復制代碼 代碼如下:
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>----分頁演示-----</title>
<link href="pager.css" type="text/css" rel="stylesheet" />
</head>
<body>
<?php
include "pager.class.php";
$CurrentPage=isset($_GET['page'])?$_GET['page']:1;
//die($CurrentPage);
$myPage=new pager(1300,intval($CurrentPage));
$pageStr= $myPage->GetPagerContent();
//echo $pageStr;
$myPage=new pager(90,intval($CurrentPage));
$pageStr= $myPage->GetPagerContent();
echo $pageStr;
?>
</body>
</html>
(2) pager.class.php：
復制代碼 代碼如下:
<?php
/*
* PHP分頁類
* @package Page
* @Created 2013-03-27
* @Modify 2013-03-27
* @link http://www.60ie.net
* Example:
$myPage=new Pager(1300,intval($CurrentPage));
$pageStr= $myPage->GetPagerContent();
echo $pageStr;
*/
class Pager {
private $pageSize = 10;
private $pageIndex;
private $totalNum;
private $totalPagesCount;
private $pageUrl;
private static $_instance;
public function __construct($p_totalNum, $p_pageIndex, $p_pageSize = 10,$p_initNum=3,$p_initMaxNum=5) {
if (! isset ( $p_totalNum ) || !isset($p_pageIndex)) {
die ( "pager initial error" );
}
$this->totalNum = $p_totalNum;
$this->pageIndex = $p_pageIndex;
$this->pageSize = $p_pageSize;
$this->initNum=$p_initNum;
$this->initMaxNum=$p_initMaxNum;
$this->totalPagesCount= ceil($p_totalNum / $p_pageSize);
$this->pageUrl=$this->_getPageUrl();
$this->_initPagerLegal();
}
/**
* 獲取去除page部分的當前URL字符串
*
* @return String URL字符串
*/
private function _getPageUrl() {
$CurrentUrl = $_SERVER["REQUEST_URI"];
$arrUrl = parse_url($CurrentUrl);
$urlQuery = $arrUrl["query"];
if($urlQuery){
$urlQuery = ereg_replace("(^|&)page=" . $this->pageIndex, "", $urlQuery);
$CurrentUrl = str_replace($arrUrl["query"], $urlQuery, $CurrentUrl);
if($urlQuery){
$CurrentUrl.="&page";
}
else $CurrentUrl.="page";
} else {
$CurrentUrl.="?page";
}
return $CurrentUrl;
}
/*
*設置頁面參數合法性
*@return void
*/
private function _initPagerLegal()
{
if((!is_numeric($this->pageIndex)) || $this->pageIndex<1)
{
$this->pageIndex=1;
}elseif($this->pageIndex > $this->totalPagesCount)
{
$this->pageIndex=$this->totalPagesCount;
}
}
//$this->pageUrl}={$i}
//{$this->CurrentUrl}={$this->TotalPages}
public function GetPagerContent() {
$str = "<P class=\"Pagination\">";
//首頁 上一頁
if($this->pageIndex==1)
{
$str .="<a href='javascript:void(0)' class='tips' title='首頁'>首頁</a> "."\n";
$str .="<a href='javascript:void(0)' class='tips' title='上一頁'>上一頁</a> "."\n"."\n";
}else
{
$str .="<a href='{$this->pageUrl}=1' class='tips' title='首頁'>首頁</a> "."\n";
$str .="<a href='{$this->pageUrl}=".($this->pageIndex-1)."' class='tips' title='上一頁'>上一頁</a> "."\n"."\n";
}
/*
除首末后 頁面分頁邏輯
*/
//10頁（含）以下
$currnt="";
if($this->totalPagesCount<=10)
{
for($i=1;$i<=$this->totalPagesCount;$i++)
{
if($i==$this->pageIndex)
{ $currnt=" class='current'";}
else
{ $currnt=""; }
$str .="<a href='{$this->pageUrl}={$i} ' {$currnt}>$i</a>"."\n" ;
}
}else //10頁以上
{ if($this->pageIndex<3) //當前頁小于3
{
for($i=1;$i<=3;$i++)
{
if($i==$this->pageIndex)
{ $currnt=" class='current'";}
else
{ $currnt=""; }
$str .="<a href='{$this->pageUrl}={$i} ' {$currnt}>$i</a>"."\n" ;
}
$str.="<span class=\"dot\">……</span>"."\n";
for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1
{
$str .="<a href='{$this->pageUrl}={$i}' >$i</a>"."\n" ;
}
}elseif($this->pageIndex<=5) // 5 >= 當前頁 >= 3
{
for($i=1;$i<=($this->pageIndex+1);$i++)
{
if($i==$this->pageIndex)
{ $currnt=" class='current'";}
else
{ $currnt=""; }
$str .="<a href='{$this->pageUrl}={$i} ' {$currnt}>$i</a>"."\n" ;
}
$str.="<span class=\"dot\">……</span>"."\n";
for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1
{
$str .="<a href='{$this->pageUrl}={$i}' >$i</a>"."\n" ;
}
}elseif(5<$this->pageIndex && $this->pageIndex<=$this->totalPagesCount-5 ) //當前頁大于5，同時小于總頁數-5
{
for($i=1;$i<=3;$i++)
{
$str .="<a href='{$this->pageUrl}={$i}' >$i</a>"."\n" ;
}
$str.="<span class=\"dot\">……</span>";
for($i=$this->pageIndex-1 ;$i<=$this->pageIndex+1 && $i<=$this->totalPagesCount-5+1;$i++)
{
if($i==$this->pageIndex)
{ $currnt=" class='current'";}
else
{ $currnt=""; }
$str .="<a href='{$this->pageUrl}={$i} ' {$currnt}>$i</a>"."\n" ;
}
$str.="<span class=\"dot\">……</span>";
for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)
{
$str .="<a href='{$this->pageUrl}={$i}' >$i</a>"."\n" ;
}
}else
{
for($i=1;$i<=3;$i++)
{
$str .="<a href='{$this->pageUrl}={$i}' >$i</a>"."\n" ;
}
$str.="<span class=\"dot\">……</span>"."\n";
for($i=$this->totalPagesCount-5;$i<=$this->totalPagesCount;$i++)//功能1
{
if($i==$this->pageIndex)
{ $currnt=" class='current'";}
else
{ $currnt=""; }
$str .="<a href='{$this->pageUrl}={$i} ' {$currnt}>$i</a>"."\n" ;
}
}
}
/*
除首末后 頁面分頁邏輯結束
*/
//下一頁 末頁
if($this->pageIndex==$this->totalPagesCount)
{
$str .="\n"."<a href='javascript:void(0)' class='tips' title='下一頁'>下一頁</a>"."\n" ;
$str .="<a href='javascript:void(0)' class='tips' title='末頁'>末頁</a>"."\n";
}else
{
$str .="\n"."<a href='{$this->pageUrl}=".($this->pageIndex+1)."' class='tips' title='下一頁'>下一頁</a> "."\n";
$str .="<a href='{$this->pageUrl}={$this->totalPagesCount}' class='tips' title='末頁'>末頁</a> "."\n" ;
}
$str .= "</P>";
return $str;
}
/**
* 獲得實例
* @return
*/
// static public function getInstance() {
// if (is_null ( self::$_instance )) {
// self::$_instance = new pager ();
// }
// return self::$_instance;
// }
}
?>
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