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超强分页类2.0发布,支持自定义风格,默认4种显示模式

Jun 13, 2016 pm 12:34 PM
Pagination support show model kind customize style default

超强分页类2.0发布,支持自定义风格,默认4种显示模式


看到论坛上有人求百度分页类,所以把几周前的分页类贴出来。
   2.0相对1.0修正如下:
  1、支持PHP4和PHP5
  2、增加了对ajax分页的功能
  3、优化了程序整体结构
  4、增加了自定义风格的功能

代码如下: 

复制代码 代码如下:

 
/** 
 * 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 [url=http://www.phpobject.net/blog/read.php]http://www.phpobject.net/blog/read.php[/url]? 
 * 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_page 
 var $next_page='>';//下一页 
 var $pre_page=' var $first_page='First';//首页 
 var $last_page='Last';//尾页 
 var $pre_bar=' 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))||($totalerror(__FUNCTION__,$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)*$this->perpage; 
  if(!empty($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='') 
 { 
  $plus=ceil($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=''; 
  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().$this->next_page().'第'.$this->select().'页'; 
    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 'ajax_action_name.'(\''.$url.'\')">'.$text.''; 
  }else{ 
   return ''.$text.''; 
  } 
 } 
 /** 
   * 出错处理方式 
 */ 
 function error($function,$errormsg) 
 { 
     die('Error in file '.__FILE__.' ,Function '.$function.'() :'.$errormsg); 
 } 

?>


提供一个简单的演示demo

复制代码 代码如下:

 
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); 
echo '
开始AJAX模式:'; 
$ajaxpage=new page(array('total'=>1000,'perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test')); 
echo 'mode:1
'.$ajaxpage->show(); 
?> 
演示地址:http://traffic02.100steps.net/52site/test/page.php 
 
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