PHP分页类集锦_php实例

分页类一

<br /><?php <br />/** <br />分页类 <br />修改:Silence <br />Creatdate:2006-5-30 <br />LastModify:2009-5-31 <br />使用方法 <br />$page = new page ( $result, 20 ); //$result为返回记录集数组 ,20为返回每页条数 <br />$index = $page->GetIndexBar () . $page->GetPageInfo (); <br />print_r ( $result ); <br />echo \"<br><br>\"; <br />echo \"\".$index.\"\";<br />*/<br />class Page { <br />private $mTotalRowsNum = 0; // 总信息行数 <br />private $mCurPageNumber = 1; // 当前所在页 <br />private $mTotalPagesNum = 1; // 总页数 <br />private $mQueryString; // 页面传递的数据(url?后的字符串) <br />private $mPageRowsNum = 20; // 每页显示行数 <br />private $mIndexBarLength = 11; // 索引条的页数 <br />private $mIndexBar = ''; // 页码索引条 <br />private $mPageInfo = ''; // 分页信息 <br />// 页码索引条样式 <br />private $mNextButton = \"<font>8</font>\"; <br />private $mPreButton = \"<font>7</font>\"; <br />private $mFirstButton = \"<font>9</font>\"; <br />private $mLastButton = \"<font>:</font>\"; <br />private $mCssIndexBarCurPage = \"font-weight:bold;color:#FF0000\"; <br />private $mCssIndexBarPage = ''; <br />// 分页信息样式 <br />private $mCssPageInfoNumFont = 'color:#FF0000'; <br />private $mCssPageInfoFont = ''; <br />// 构造方法 <br />public function __construct(&$rSqlQuery, $userPageRowsNum = '') { <br />if (! is_array ( $rSqlQuery )) { <br />$this->SetDbPageBreak ( $rSqlQuery, $userPageRowsNum ); <br />} else { <br />$this->SetArrayPageBreak ( $rSqlQuery, $userPageRowsNum ); <br />} <br />} <br />// 设置数据库型分页 <br />private function SetDbPageBreak(&$rSqlQuery, $userPageRowsNum = '') { <br />$this->SetDbTotalRowsNum ( $rSqlQuery ); <br />$this->SetTotalPagesNum ( $userPageRowsNum ); <br />if ($this->mTotalPagesNum > 1) { <br />$this->SetCurPageNumber (); <br />$this->SetSqlQuery ( $rSqlQuery ); <br />$this->SetQueryString (); <br />$this->SetIndexBar (); <br />$this->SetPageInfo (); <br />} <br />} <br />// 设置数组型分页 <br />private function SetArrayPageBreak(&$rArray, $userPageRowsNum = '', $userTotalRowsNum = '') { <br />$this->SetArrayTotalRowsNum ( $rArray, $userTotalRowsNum ); <br />$this->SetTotalPagesNum ( $userPageRowsNum ); <br />if ($this->mTotalPagesNum > 1) { <br />$this->SetCurPageNumber (); <br />$this->SetArray ( $rArray ); <br />$this->SetQueryString (); <br />$this->SetIndexBar (); <br />$this->SetPageInfo (); <br />} <br />} <br />// 数据库型计算总行数 <br />private function SetDbTotalRowsNum($rSqlQuery) { <br />$this->mTotalRowsNum = mysql_num_rows ( mysql_query ( $rSqlQuery ) ); <br />} <br />// 数组型计算总行数 <br />private function SetArrayTotalRowsNum($array) { <br />$this->mTotalRowsNum = count ( $array ); <br />} <br />// 计算总页数 <br />private function SetTotalPagesNum($userPageRowsNum = '') { <br />if ($userPageRowsNum) { <br />$this->mPageRowsNum = $userPageRowsNum; <br />} <br />$this->mTotalPagesNum = ( int ) (floor ( ($this->mTotalRowsNum - 1) / $this->mPageRowsNum ) + 1); <br />} <br />// 计算当前页数 <br />private function SetCurPageNumber() { <br />if ($_GET ['page']) { <br />$this->mCurPageNumber = $_GET ['page']; <br />} <br />} <br />// 修正Sql截取语句 <br />private function SetSqlQuery(&$rSqlQuery) { <br />$start_number = ($this->mCurPageNumber - 1) * $this->mPageRowsNum; <br />$rSqlQuery .= \" LIMIT \" . $start_number . \",\" . $this->mPageRowsNum; <br />} <br />// 修正截取后的Array <br />private function SetArray(&$rArray) { <br />$start_number = ($this->mCurPageNumber - 1) * $this->mPageRowsNum; <br />$rArray = array_slice ( $rArray, $start_number, $this->mPageRowsNum ); <br />} <br />// 修正 $_GET 传递数据 <br />private function SetQueryString() { <br />$query_string = $_SERVER ['QUERY_STRING']; <br />if ($query_string == '') { <br />$this->mQueryString = \"?page=\"; <br />} else { <br />$this->mQueryString = preg_replace ( \"/&?page=\d+/\", '', $query_string ); <br />$this->mQueryString = \"?\" . $this->mQueryString . \"&page=\"; <br />} <br />} <br />// 设置页码索引条 <br />private function GetPageIndex() { <br />if ($this->mTotalPagesNum mIndexBarLength) { <br />$first_number = 1; <br />$last_number = $this->mTotalPagesNum; <br />} else { <br />$offset = ( int ) floor ( $this->mIndexBarLength / 2 ); <br />if (($this->mCurPageNumber - $offset) <= 1) { <br />$first_number = 1; <br />} elseif (($this->mCurPageNumber + $offset) > $this->mTotalPagesNum) { <br />$first_number = $this->mTotalPagesNum - $this->mIndexBarLength + 1; <br />} else { <br />$first_number = $this->mCurPageNumber - $offset; <br />} <br />$last_number = $first_number + $this->mIndexBarLength - 1; <br />} <br />$last_number; <br />for($i = $first_number; $i <= $last_number; $i ++) { <br />if ($this->mCurPageNumber == $i) { <br />$page_index .= \"<font>mCssIndexBarCurPage . \"'>\" . $i . \"</font> \"; <br />} else { <br />$page_index .= \" mQueryString . $i . \"' style='\" . $this->mCssIndexBarPage . \"'>\" . $i . \" \"; <br />} <br />} <br />return $page_index; <br />} <br />// 设置页码索引条 <br />private function SetIndexBar() { <br />$this->mIndexBar = $this->GetNavFirstButton (); <br />$this->mIndexBar .= $this->GetNavPreButton (); <br />$this->mIndexBar .= $this->GetPageIndex (); <br />$this->mIndexBar .= $this->GetNavNextButton (); <br />$this->mIndexBar .= $this->GetNavLastButton (); <br />} <br />// 得到页码索引条 首页按钮 <br />private function GetNavFirstButton() { <br />return \"mQueryString . \"1'>\" . $this->mFirstButton . \" \"; <br />} <br />// 得到页码索引条 上一页按钮 <br />private function GetNavPreButton() { <br />if ($this->mCurPageNumber > 1) { <br />$pre_number = $this->mCurPageNumber - 1; <br />} else { <br />$pre_number = 1; <br />} <br />return \"mQueryString . $pre_number . \"'>\" . $this->mPreButton . \" \"; <br />} <br />// 得到页码索引条 下一页按钮 <br />private function GetNavNextButton() { <br />if ($this->mCurPageNumber mTotalPagesNum) { <br />$next_number = $this->mCurPageNumber + 1; <br />} else { <br />$next_number = $this->mTotalPagesNum; <br />} <br />return \"mQueryString . $next_number . \"'>\" . $this->mNextButton . \" \"; <br />} <br />// 得到页码索引条 末页按钮 <br />private function GetNavLastButton() { <br />return \"mQueryString . $this->mTotalPagesNum . \"'>\" . $this->mLastButton . \" \"; <br />} <br />// 设置分页信息 <br />private function SetPageInfo() { <br />$this->mPageInfo = \"<font>mCssPageInfoFont . \"'>\"; <br />$this->mPageInfo .= \"共 <font>mCssPageInfoNumFont . \"'>\" . $this->mTotalRowsNum . \"</font> 条信息 | \"; <br />$this->mPageInfo .= \"<font>mCssPageInfoNumFont . \"'>\" . $this->mPageRowsNum . \"</font> 条/页 | \"; <br />$this->mPageInfo .= \"共 <font>mCssPageInfoNumFont . \"'>\" . $this->mTotalPagesNum . \"</font> 页 | \"; <br />$this->mPageInfo .= \"第 <font>mCssPageInfoNumFont . \"'>\" . $this->mCurPageNumber . \"</font> 页\"; <br />$this->mPageInfo .= \"</font>\"; <br />} <br />// 取出页码索引条 <br />public function GetIndexBar() { <br />return $this->mIndexBar; <br />} <br />// 取出分页信息 <br />public function GetPageInfo() { <br />return $this->mPageInfo; <br />} <br />//释放类 <br />function __destruct() { <br />} <br />} <br />?><br />

分页类二

<br /><?php<br />/*<br />* Created on 2007-6-8<br />* Programmer : Alan , Msn - [email protected]<br />* KeBeKe.com Develop a project PHP - MySQL - Apache<br />* Window - Preferences - PHPeclipse - PHP - Code Templates<br />*/<br />//为了避免重复包含文件而造成错误，加了判断函数是否存在的条件：<br />if(!function_exists(pageft)){<br />//定义函数pageft(),三个参数的含义为：<br />//$totle：信息总数；<br />//$displaypg：每页显示信息数，这里设置为默认是20；<br />//$url：分页导航中的链接，除了加入不同的查询信息“page”外的部分都与这个URL相同。<br />//　　　默认值本该设为本页URL（即$_SERVER["REQUEST_URI"]），但设置默认值的右边只能为常量，所以该默认值设为空字符串，在函数内部再设置为本页URL。<br />function pageft($totle,$displaypg=20,$url=''){<br />//定义几个全局变量：<br />//$page：当前页码；<br />//$firstcount：（数据库）查询的起始项；<br />//$pagenav：页面导航条代码，函数内部并没有将它输出；<br />//$_SERVER：读取本页URL“$_SERVER["REQUEST_URI"]”所必须。<br />global $page,$firstcount,$pagenav,$_SERVER;<br />//为使函数外部可以访问这里的“$displaypg”，将它也设为全局变量。注意一个变量重新定义为全局变量后，原值被覆盖，所以这里给它重新赋值。<br />$GLOBALS["displaypg"]=$displaypg;<br />if(!$page) $page=1;<br />//如果$url使用默认，即空值，则赋值为本页URL：<br />if(!$url){ $url=$_SERVER["REQUEST_URI"];}<br />//URL分析：<br />$parse_url=parse_url($url);<br />$url_query=$parse_url["query"]; //单独取出URL的查询字串<br />if($url_query){<br />//因为URL中可能包含了页码信息，我们要把它去掉，以便加入新的页码信息。<br />//这里用到了正则表达式，请参考“PHP中的正规表达式”<br />$url_query=ereg_replace("(^|&)page=$page","",$url_query);<br />//将处理后的URL的查询字串替换原来的URL的查询字串：<br />$url=str_replace($parse_url["query"],$url_query,$url);<br />//在URL后加page查询信息，但待赋值：<br />if($url_query) $url.="&page"; else $url.="page";<br />}else {<br />$url.="?page";<br />}<br />//页码计算：<br />$lastpg=ceil($totle/$displaypg); //最后页，也是总页数<br />$page=min($lastpg,$page);<br />$prepg=$page-1; //上一页<br />$nextpg=($page==$lastpg ? 0 : $page+1); //下一页<br />$firstcount=($page-1)*$displaypg;<br />//开始分页导航条代码：<br />$pagenav="显示第 <B>".($totle?($firstcount+1):0)."</B>-<B>".min($firstcount+$displaypg,$totle)."</B> 条记录，共 $totle 条记录";<br />//如果只有一页则跳出函数：<br />if($lastpg<=1) return false;<br />$pagenav.=" 首页 ";<br />if($prepg) $pagenav.=" 前页 "; else $pagenav.=" 前页 ";<br />if($nextpg) $pagenav.=" 后页 "; else $pagenav.=" 后页 ";<br />$pagenav.=" 尾页 ";<br />//下拉跳转列表，循环列出所有页码：<br />$pagenav.="　到第 \n";<br />for($i=1;$i<=$lastpg;$i++){<br />if($i==$page) $pagenav.="$i\n";<br />else $pagenav.="$i\n";<br />}<br />$pagenav.=" 页，共 $lastpg 页";<br />}<br />}</p><p>//-------------------------具体演示举例-------------------------------<br />/*<br />//（前面程序略）<br />include("pageft.php"); //包含“pageft.php”文件<br />//取得总信息数<br />$result=mysql_query("select * from mytable");<br />$total=mysql_num_rows($result);<br />//调用pageft()，每页显示10条信息（使用默认的20时，可以省略此参数），使用本页URL（默认，所以省略掉）。<br />pageft($total,10);<br />//现在产生的全局变量就派上用场了：<br />$result=mysql_query("select * from mytable limit $firstcount,$displaypg ");<br />while($row=mysql_fetch_array($result)){<br />//（列表内容略）<br />}<br />//输出分页导航条代码：<br />echo $pagenav;<br />//（后面程序略）<br />*/<br />?><br />

分页类系列之三

<br /><?php <br />class Page { <br />    private $total; //查询所有的数据总记录数 <br />    private $page; //当前第几页 <br />    private $num; //每页显示记录的条数 <br />    private $pageNum; //一共多少页 <br />    private $offset; //从数据库中取记录的开始偏移数 <br />    function __construct($total, $page=1, $num=5) { <br />        $this->total=$total; <br />        $this->page=$page; <br />        $this->num=$num; <br />        $this->pageNum=$this->getPageNum(); <br />        $this->offset=$this->getOffset(); <br />    } <br />    private function getPageNum(){ <br />        return ceil($this->total/$this->num); <br />    } <br />    private function getNextPage() { <br />        if($this->page==$this->pageNum) <br />        return false; <br />        else<br />        return $this->page+1; <br />    } <br />    private function getPrevPage() { <br />        if($this->page==1) <br />        return false; <br />        else<br />        return $this->page-1; <br />    } <br />    //数据库查询的偏移量 <br />    private function getOffset() { <br />        return ($this->page-1)*$this->num; <br />    } <br />    //当前页开始的记录数 <br />    private function getStartNum() { <br />        if($this->total==0) <br />        return 0; <br />        else<br />        return $this->offset+1; <br />    } <br />    //当前页结束的记录数 <br />    private function getEndNum() { <br />        return min($this->offset+$this->num,$this->total); <br />    } <br />    public function getPageInfo(){ <br />        $pageInfo=array( <br />        "row_total" => $this->total, <br />        "row_num" => $this->num, <br />        "page_num" => $this->getPageNum(), <br />        "current_page" => $this->page, <br />        "row_offset" => $this->getOffset(), <br />        "next_page" => $this->getNextPage(), <br />        "prev_page" => $this->getPrevPage(), <br />        "page_start" => $this->getStartNum(), <br />        "page_end" => $this->getEndNum() <br />        ); <br />        return $pageInfo; <br />    } <br />} <br />?><br />

3种分页类使用起来效率都不错，也8本文来源gao.dai.ma.com搞@代*码(网$

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