<?/*** filename: ext_page.class.php* @package:phpbean* @author :feifengxlq<feifengxlq#gmail.com><http://www.phpobject.net/>* @copyright :Copyright 2006 feifengxlq* @license:version 2.0* @create:2006-5-31* @modify:2006-6-1* @modify:feifengxlq 2006-11-4* description:超强分页类，四种分页模式，默认采用类似baidu,google的分页风格。* 2.0增加功能：支持自定义风格，自定义样式，同时支持PHP4和PHP5,* to see detail,please visit http://www.phpobject.net/blog/read.php?* example:* 模式四种分页模式： require_once('../libs/classes/page.class.php'); $page=new page(array('total'=>1000,'perpage'=>20)); echo 'mode:1<br>'.$page->show(); echo '<hr>mode:2<br>'.$page->show(2); echo '<hr>mode:3<br>'.$page->show(3); echo '<hr>mode:4<br>'.$page->show(4); 开启AJAX： $ajaxpage=new page(array('total'=>1000,'perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test')); echo 'mode:1<br>'.$ajaxpage->show(); 采用继承自定义分页显示模式： demo:http://www.phpobject.net/blog*/class page {/** * config ,public */var $page_name="PB_page";//page标签，用来控制url页。比如说xxx.php?PB_page=2中的PB_pagevar $next_page='>';//下一页var $pre_page='<';//上一页var $first_page='First';//首页var $last_page='Last';//尾页var $pre_bar='<<';//上一分页条var $next_bar='>>';//下一分页条var $format_left=' ';var $format_right=' ';var $is_ajax=false;//是否支持AJAX分页模式 /** * private * */ var $pagebarnum=10;//控制记录条的个数。var $totalpage=0;//总页数var $ajax_action_name='';//AJAX动作名var $nowindex=1;//当前页var $url="";//url地址头var $offset=0;/** * constructor构造函数 * * @param array $array['total'],$array['perpage'],$array['nowindex'],$array['url'],$array['ajax']... */function page($array){ if(is_array($array)){ if(!array_key_exists('total',$array))$this->error(__FUNCTION__,'need a param of total'); $total=intval($array['total']); $perpage=(array_key_exists('perpage',$array))?intval($array['perpage']):10; $nowindex=(array_key_exists('nowindex',$array))?intval($array['nowindex']):''; $url=(array_key_exists('url',$array))?$array['url']:''; }else{ $total=$array; $perpage=10; $nowindex=''; $url=''; } if((!is_int($total))||($total<0))$this->error(__FUNCTION__,$total.' is not a positive integer!'); if((!is_int($perpage))||($perpage<=0))$this->error(__FUNCTION__,$perpage.' is not a positive integer!'); if(!empty($array['page_name']))$this->set('page_name',$array['page_name']);//设置pagename $this->_set_nowindex($nowindex);//设置当前页 $this->_set_url($url);//设置链接地址 $this->totalpage=ceil($total/$perpage); $this->offset=($this->nowindex-1)*$perpage; if(!empty($array['ajax']))$this->open_ajax($array['ajax']);//打开AJAX模式}/** * 设定类中指定变量名的值，如果改变量不属于这个类，将throw一个exception * * @param string $var * @param string $value */function set($var,$value){ if(in_array($var,get_object_vars($this))) $this->$var=$value; else { $this->error(__FUNCTION__,$var." does not belong to PB_Page!"); } }/** * 打开倒AJAX模式 * * @param string $action 默认ajax触发的动作。 */function open_ajax($action){ $this->is_ajax=true; $this->ajax_action_name=$action;}/** * 获取显示"下一页"的代码 * * @param string $style * @return string */function next_page($style=''){ if($this->nowindex<$this->totalpage){ return $this->_get_link($this->_get_url($this->nowindex+1),$this->next_page,$style); } return '<span class="'.$style.'">'.$this->next_page.'</span>';}/** * 获取显示"上一页"的代码 * * @param string $style * @return string */function pre_page($style=''){ if($this->nowindex>1){ return $this->_get_link($this->_get_url($this->nowindex-1),$this->pre_page,$style); } return '<a class="'.$style.'">'.$this->pre_page.'</a>';}/** * 获取显示"首页"的代码 * * @return string */function first_page($style=''){ if($this->nowindex==1){ return '<a class="'.$style.'">'.$this->first_page.'</a>'; } return $this->_get_link($this->_get_url(1),$this->first_page,$style);}/** * 获取显示"尾页"的代码 * * @return string */function last_page($style=''){ if($this->nowindex==$this->totalpage){ return '<span class="'.$style.'">'.$this->last_page.'</span>'; } return $this->_get_link($this->_get_url($this->totalpage),$this->last_page,$style);}function nowbar($style='',$nowindex_style='curr'){ $plus=ceil($this->pagebarnum/2); if($this->pagebarnum-$plus+$this->nowindex>$this->totalpage)$plus=($this->pagebarnum-$this->totalpage+$this->nowindex); $begin=$this->nowindex-$plus+1; $begin=($begin>=1)?$begin:1; $return=''; for($i=$begin;$i<$begin+$this->pagebarnum;$i++) { if($i<=$this->totalpage){ if($i!=$this->nowindex) $return.=$this->_get_text($this->_get_link($this->_get_url($i),$i,$style)); else $return.=$this->_get_text('<span class="'.$nowindex_style.'">'.$i.'</span>'); }else{ break; } $return.="\n"; } unset($begin); return $return;}/** * 获取显示跳转按钮的代码 * * @return string */function select(){ $return='<select name="PB_Page_Select">'; for($i=1;$i<=$this->totalpage;$i++) { if($i==$this->nowindex){ $return.='<option value="'.$i.'" selected>'.$i.'</option>'; }else{ $return.='<option value="'.$i.'">'.$i.'</option>'; } } unset($i); $return.='</select>'; return $return;}/** * 获取mysql 语句中limit需要的值 * * @return string */function offset(){ return $this->offset;}/** * 控制分页显示风格（你可以增加相应的风格） * * @param int $mode * @return string */function show($mode=1){ switch ($mode) { case '1': $this->next_page='下一页'; $this->pre_page='上一页'; return $this->pre_page().$this->nowbar().$this->next_page(); break; case '2': $this->next_page='下一页'; $this->pre_page='上一页'; $this->first_page='首页'; $this->last_page='尾页'; return $this->first_page().$this->pre_page().'[第'.$this->nowindex.'页]'.$this->next_page().$this->last_page().'第'.$this->select().'页'; break; case '3': $this->next_page='下一页'; $this->pre_page='上一页'; $this->first_page='首页'; $this->last_page='尾页'; return $this->first_page().$this->pre_page().$this->next_page().$this->last_page(); break; case '4': $this->next_page='下一页'; $this->pre_page='上一页'; return $this->pre_page().$this->nowbar().$this->next_page(); break; case '5': return $this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this->next_bar(); break; } }/*----------------private function (私有方法)-----------------------*//** * 设置url头地址 * @param: String $url * @return boolean */function _set_url($url=""){ if(!empty($url)){ //手动设置 $this->url=$url.((stristr($url,'?'))?'&':'?').$this->page_name."="; }else{ //自动获取 if(empty($_SERVER['QUERY_STRING'])){ //不存在QUERY_STRING时 $this->url=$_SERVER['REQUEST_URI']."?".$this->page_name."="; }else{ // if(stristr($_SERVER['QUERY_STRING'],$this->page_name.'=')){ //地址存在页面参数 $this->url=str_replace($this->page_name.'='.$this->nowindex,'',$_SERVER['REQUEST_URI']); $last=$this->url[strlen($this->url)-1]; if($last=='?'||$last=='&'){ $this->url.=$this->page_name."="; }else{ $this->url.='&'.$this->page_name."="; } }else{ // $this->url=$_SERVER['REQUEST_URI'].'&'.$this->page_name.'='; }//end if }//end if }//end if}/** * 设置当前页面 * */function _set_nowindex($nowindex){ if(empty($nowindex)){ //系统获取 if(isset($_GET[$this->page_name])){ $this->nowindex=intval($_GET[$this->page_name]); } }else{ //手动设置 $this->nowindex=intval($nowindex); }} /** * 为指定的页面返回地址值 * * @param int $pageno * @return string $url */function _get_url($pageno=1){ return $this->url.$pageno;}/** * 获取分页显示文字，比如说默认情况下_get_text('<a href="">1</a>')将返回[<a href="">1</a>] * * @param String $str * @return string $url */ function _get_text($str){ return $this->format_left.$str.$this->format_right;}/** * 获取链接地址*/function _get_link($url,$text,$style=''){ $style=(empty($style))?'':'class="'.$style.'"'; if($this->is_ajax){ //如果是使用AJAX模式 return '<a '.$style.' href="javascript:'.$this->ajax_action_name.'(\''.$url.'\')">'.$text.'</a>'; }else{ return '<a '.$style.' href="'.$url.'">'.$text.'</a>'; }}/** * 出错处理方式*/function error($function,$errormsg){ die('Error in file <b>'.__FILE__.'</b> ,Function <b>'.$function.'()</b> :'.$errormsg);}}function actionTiaozhuan(){ $pb_page = $_GET['PB_page']; if(!isset($pb_page)){ $pb_page = 1; } $pagesize = 10; $offset = $pagesize*($pb_page-1); // $model=User::model()->findAll('1=1 oder by id limit :offset,:perpage',array(':offset'=>$offset,':perpage'=>$pagesize)); $model=User::model()->findAllBySql('select t.* from tbl_user t order by t.id limit :offset , :perpage ',array(':offset'=>$offset,':perpage'=>$pagesize)); $count = User::model()->count('1=1',array()); $rs = array( 'model' =>$model, 'count' =>$count ); //print_r($model); $this->render("fenye",$rs);}?>?
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初始化范例
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<?php $pb_page=$_GET['PB_page'];if(!isset($pb_page)){ $pb_page=1; }$pagesize=10;$offset=$pagesize*($pb_page-1);$sql="select * from seotable where riqi<='$showtime' and zhuangtai=1 order by id desc limit $offset,$pagesize";?>??
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