商业编程-源码-Think-Think!淘宝多用户图片管理系统 v1.1.zip

<? /** * badwolf修改版本分页类 * filename: ext_page.class.php * @package:phpbean * @author :feifengxlq<feifengxlq#gmail.com><[url=http://www.phpobject.net/]http://www.phpobject.net/[/url]> * @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'); $page=new page(array('total'=>1000,'perpage'=>20)); echo 'mode:1<br>'.$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_page var $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)*$this->perpage; if(!empty($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($this->nowindex<$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,$style); } return '<span class="'.$style.'">'.$this->pre_page.'</span>'; } /** * 获取显示“首页”的代码 * * @return string */ function first_page($style='') { if($this->nowindex==1){ return '<span class="'.$style.'">'.$this->first_page.'</span>'; } 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='') { $plus=ceil($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() { $return="<select name=\"jumpMenu\" id=\"jumpMenu\" onchange=\"MM_jumpMenu('parent',this,0)\">"; for($i=1;$i<=$this->totalpage;$i++) { if($i==$this->nowindex){ if($_GET['aid']==""){ $return.="<option value=\"?" .$this->page_name . "=".$i."\" selected>".$i."</option>"; }else{ $return.="<option value=\"?aid=".$_GET['aid']."&" .$this->page_name . "=".$i."\" selected>".$i."</option>"; } }else{ if($_GET['aid']==""){ $return.="<option value=\"?" .$this->page_name . "=".$i."\">".$i."</option>"; }else{ $return.="<option value=\"?aid=".$_GET['aid']."&" .$this->page_name . "=".$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().$this->next_page().'第'.$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['R