简单易用的分页类实例代码PHP

<?php/*********************************************** * @类名: ??page * @参数: ??$myde_total - 总记录数 * ?????????$myde_size - 一页显示的记录数 * ?????????$myde_page - 当前页 * ?????????$myde_url - 获取当前的url * @功能: ??分页实现 * @作者: ??宋海阁 */class page { ???private $myde_total; ?????????//总记录数 ???private $myde_size; ??????????//一页显示的记录数 ???private $myde_page; ??????????//当前页 ???private $myde_page_count; ????//总页数 ???private $myde_i; ?????????????//起头页数 ???private $myde_en; ????????????//结尾页数 ???private $myde_url; ???????????//获取当前的url ???/* ????* $show_pages ????* 页面显示的格式，显示链接的页数为2*$show_pages+1。 ????* 如$show_pages=2那么页面上显示就是[首页] [上页] 1 2 3 4 5 [下页] [尾页] ?????*/ ???private $show_pages; ?????public function __construct($myde_total=1,$myde_size=1,$myde_page=1,$myde_url,$show_pages=2){ ???????$this->myde_total = $this->numeric($myde_total); ???????$this->myde_size = $this->numeric($myde_size); ???????$this->myde_page = $this->numeric($myde_page); ???????$this->myde_page_count = ceil($this->myde_total/$this->myde_size); ???????$this->myde_url = $myde_url; ???????if($this->myde_total<0) $this->myde_total=0; ???????if($this->myde_page<1) ?$this->myde_page=1; ???????if($this->myde_page_count<1) $this->myde_page_count=1; ???????if($this->myde_page>$this->myde_page_count) $this->myde_page=$this->myde_page_count; ???????$this->limit = ($this->myde_page-1)*$this->myde_size; ???????$this->myde_i=$this->myde_page-$show_pages; ???????$this->myde_en=$this->myde_page+$show_pages; ???????if($this->myde_i<1){ ?????????$this->myde_en=$this->myde_en+(1-$this->myde_i); ?????????$this->myde_i=1; ???????} ???????if($this->myde_en>$this->myde_page_count){ ?????????$this->myde_i = $this->myde_i-($this->myde_en-$this->myde_page_count); ?????????$this->myde_en=$this->myde_page_count; ???????} ???????if($this->myde_i<1)$this->myde_i=1; ???} ???//检测是否为数字 ???private function numeric($num){ ?????if(strlen($num)){ ????????if(!preg_match("/^[0-9]+$/",$num)){ ????????????$num=1; ??????????}else{ ????????????$num = substr($num,0,11); ????????} ?????}else{ ??????????????$num=1; ?????} ?????return $num; ???} ???//地址替换 ???private function page_replace($page){ ???????return str_replace("{page}",$page,$this->myde_url); ???} ???//首页 ???private function myde_home(){ ???????if($this->myde_page!=1){ ???????????return ‘<a href="‘.$this->page_replace(1).‘" class="page-numbers" title="首页">首页</a>‘; ???????}else{ ???????????return "<p>首页</p>"; ???????} ???} ???//上一页 ???private function myde_prev(){ ??????if($this->myde_page!=1){ ??????????return ‘<span class="page-numbers prev inactive"><a href="‘.$this->page_replace($this->myde_page-1).‘" title="上一页">上一页</a></span>‘; ??????}else{ ?????????????return ‘<span class="page-numbers prev inactive">上一页</span>‘; ??????} ???} ???//下一页 ???private function myde_next(){ ???????if($this->myde_page!=$this->myde_page_count){ ???????????return ‘<a class="page-numbers next" href="‘.$this->page_replace($this->myde_page+1).‘" title="下一页">下一页</a>‘; ???????}else{ ???????????return‘<p class="page-numbers next">下一页</p>‘; ???????} ???} ???//尾页 ???private function myde_last(){ ???????if($this->myde_page!=$this->myde_page_count){ ???????????return ‘<a href="‘.$this->page_replace($this->myde_page_count).‘" class="page-numbers" title="尾页">尾页</a>‘; ???????}else{ ???????????return ‘<p>尾页</p>‘; ???????} ???} ???//输出 ???public function myde_write($id=‘page‘){ ??????$str =‘<div id="‘.$id.‘">‘; ??????$str.=$this->myde_home(); ??????$str.=$this->myde_prev(); ??????if($this->myde_i>1){ ???????????$str.=‘<p class="page-numbers">...</p>‘; ??????} ??????for($i=$this->myde_i;$i<=$this->myde_en;$i++){ ???????????if($i==$this->myde_page){ ???????????????$str.=‘<a href="‘.$this->page_replace($i).‘" class="page-numbers current" title="第‘.$i.‘页" class="cur">‘.$i.‘</a>‘; ???????????}else{ ?????????$str.=‘<a href="‘.$this->page_replace($i).‘" class="page-numbers" title="第‘.$i.‘页">‘.$i.‘</a>‘; ???????????} ??????} ??????if( $this->myde_en<$this->myde_page_count ){ ???????????$str.=‘<p class="page-numbers">...</p>‘; ??????} ??????$str.=$this->myde_next(); ??????$str.=$this->myde_last(); ??????$str.=‘<p class="pageRemark">共<b>‘.$this->myde_page_count. ????????????‘</b>页<b>‘.$this->myde_total.‘</b>条数据</p>‘; ??????$str.=‘</div>‘; ??????return $str; ???}}?>

<?phprequire_once(‘./page.class.php‘); //分页类$showrow = 3;//一页显示的行数$curpage = empty($_GET[‘page‘])?1:$_GET[‘page‘];//当前的页,还应该处理非数字的情况$url = "?page={page}";//分页地址，如果有检索条件 ="?page={page}&q=".$_GET[‘q‘]//省略了链接mysql的代码，测试时自行添加$sql = "SELECT * FROM table";$query = mysql_query($sql);$total = mysql_num_rows($query);//记录总条数if(!empty($_GET[‘page‘]) && $total !=0 && $curpage > ceil($total/$showrow))$curpage = ceil($total_rows/$showrow);//当前页数大于最后页数，取最后一页//获取数据$get_data = "select * from table limit ".($curpage-1)*$showrow.",$showrow;";...?><!DOCTYPE html><html><head><meta charset="utf-8"><title>实例演示简易通用的PHP分页类</title><style type="text/css">#page{ ???height:40px; ???padding:20px 0px;}#page a{ ???display:block; ???float:left; ???margin-right:10px; ???padding:2px 12px; ???height:24px; ???border:1px #cccccc solid; ???background:#fff; ???text-decoration:none; ???color:#808080; ???font-size:12px; ???line-height:24px;}#page a:hover{ ???color:#077ee3; ???border:1px #077ee3 solid;}#page a.cur{ ???border:none; ???background:#077ee3; ???color:#fff;}#page p{ ???float:left; ???padding:2px 12px; ???font-size:12px; ???height:24px; ???line-height:24px; ???color:#bbb; ???border:1px #ccc solid; ???background:#fcfcfc; ???margin-right:8px; ?}#page p.pageRemark{ ???border-style:none; ???background:none; ???margin-right:0px; ???padding:4px 0px; ???color:#666;}#page p.pageRemark b{ ???color:red;}#page p.pageEllipsis{ ???border-style:none; ???background:none; ???padding:4px 0px; ???color:#808080;}</style></head> ?<body> ???<div class="main"> ???????<div class="showData"> ???????????<!--显示数据区--> ???????</div> ???????<div class="showPage"> ?????????<?php ????????????if($total>$showrow){//总记录数大于每页显示数，显示分页 ????????????$page = new page($total,$showrow,$curpage,$url,2); ????????????echo $page->myde_write(); ???????????} ??????????> ????????</div> ???</div></body></html>