PHP超强分页种

PHP超强分页类

/*** filename: ext_page.class.php* @package:phpbean* @author :feifengxlq* @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');   $page=new page(array('total'=>1000,'perpage'=>20));   echo 'mode:1
'.$page->show();   echo '
mode:2
'.$page->show(2);   echo '
mode:3
'.$page->show(3);   echo '
mode:4
'.$page->show(4);   开启AJAX：   $ajaxpage=new page(array('total'=>1000,'perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test'));   echo 'mode:1
'.$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='>';//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))||($totalerror(__FUNCTION__,$total.' is not a positive integer!');  if((!is_int($perpage))||($perpageerror(__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->nowindextotalpage){   return $this->_get_link($this->_get_url($this->nowindex+1),$this->next_page,$style);  }  return ''.$this->next_page.'';}/**  * 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,$style);  }  return ''.$this->pre_page.'';}/**  * 获取显示"首页"的代码  *  * @return string  */function first_page($style=''){  if($this->nowindex==1){      return ''.$this->first_page.'';  }  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==$this->totalpage){      return ''.$this->last_page.'';  }  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=$begin;$ipagebarnum;$i++)  {   if($itotalpage){    if($i!=$this->nowindex)        $return.=$this->_get_text($this->_get_link($this->_get_url($i),$i,$style));    else         $return.=$this->_get_text(''.$i.'');   }else{    break;   }   $return.="\n";  }  unset($begin);  return $return;}/**  * 获取显示跳转按钮的代码  *  * @return string  */function select(){   $return='';  for($i=1;$itotalpage;$i++)  {   if($i==$this->nowindex){    $return.=''.$i.'';   }else{    $return.=''.$i.'';   }  }  unset($i);  $return.='';  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('1')将返回[1]  *  * @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 ''.$text.'';  }else{   return ''.$text.'';  }}/**   * 出错处理方式*/function error($function,$errormsg){     die('Error in file '.__FILE__.' ,Function '.$function.'() :'.$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超强分页种

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