php google 风格分页代码

php  google 风格分页代码
public function showCtrlPanel_g($halfPer = 5) {
  
  $re = '<div class="pageMore">
   <ul>
    <li><span>'.$this->lineCount.'条</span></li>
    <li><span>'.$this->currentPage.'/'.$this->pageCount.'页</span></li>';
  if($this->currentPage-$halfPer >1){
   $re .= '<li><a href="'.$this->fileName.'pageno=1"><span>1</span></a></li>';
   if($this->currentPage-$halfPer*2 >1){
    $re .= '<li><a href="'.$this->fileName.'pageno='.($this->currentPage-$halfPer*2).'"><span>...</span></a></li>';
   }else{
    $re .= '<li><a href="'.$this->fileName.'pageno=1"><span>...</span></a></li>';
   }
  }
  for ( $i = $this->currentPage - $halfPer,$i > 1 || $i = 1 , $j = $this->currentPage + $halfPer, $j < $this->pageCount || $j = $this->pageCount;$i <= $j ;$i++ )
  {
   $re .= $i ==  $this->currentPage
    ? '<li class="linkOn"><a href="'.$this->fileName.'pageno='.$i.'"><span>'.$i.'</span></a></li>'." "
    : '<li><a href="'.$this->fileName.'pageno='.$i.'"><span>'.$i.'</span></a></li>'." ";
  }
  if($this->currentPage+$halfPer < $this->pageCount){
   if($this->currentPage+$halfPer*2 < $this->pageCount){
    $re .= '<li><a href="'.$this->fileName.'pageno='.($this->currentPage+$halfPer*2).'"><span>...</span></a></li>';
   }else{
    $re .= '<li><a href="'.$this->fileName.'pageno='.$this->pageCount.'"><span>...</span></a></li>';
   }
   $re .= '<li><a href="'.$this->fileName.'pageno='.$this->pageCount.'"><span>'.$this->pageCount.'</span></a></li>';
  }
    
  $re .= ' 
   </ul>
  </div>';
  return $re;
 }