PHP页面首部出现一大段注释说明,如何找到是哪写的,求解释
PHP页面首部出现一大段注释说明,怎么找到是哪写的,求解释?
注释的内容,如下:
'.$page->show(); echo '
--------------------------------------------
mode:2
'.$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='>';//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,$value) { //var_dump(get_object_vars($this)); //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() { $return=''; for($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().$this->next_page().'第'.$this->select().'页'; break; case '2': $this->next_page='next'; $this->pre_page='Previous'; $this->first_page='home'; $this->last_page='Last'; return $this->first_page()." ".$this->pre_page().'[Page'.$this->nowindex.']'." ".$this->next_page()." ".$this->last_page(); 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); } } ?>

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