php 分页函数

php 分页函数

php教程 分页函数
class ajaxpage{
var $result;
 var $anchors;
 var $total;
 var $db;
 var $网页特效p/jsp.html target=_blank >jsp教程agination;
 function __construct($qry,$starting,$recpage,$jspagination)
 {  
     $this->db   =   &$globals['db'];
  $this->jspagination =  $jspagination;
  $rst  = $this->db->query($qry);
  $numrows = $this->db->num_rows;
  $qry   .= " limit $starting, $recpage";
  
  $this->result = $this->db->get_results($qry,array_a);
  
  $next  = $starting+$recpage;//the number next time end
  //$var  = ((intval($numrows/$recpage))-1)*$recpage;
  $page_showing = intval($starting/$recpage)+1;//the str shows on the page bar
  $total_page = ceil($numrows/$recpage); //total page
  if($numrows % $recpage != 0){
   $last = ((intval($numrows/$recpage)))*$recpage;
  }else{
   $last = ((intval($numrows/$recpage))-1)*$recpage;
  }
  $previous = $starting-$recpage;
  $anc = "<ul id='pagination-flickr'>";
  if($previous < 0){
   $anc .= "<li class='previous-off'>first</li>";
   $anc .= "<li class='previous-off'>previous</li>";
  }else{
   $anc .= "<li class='next'><a href='网页特效:$this->jspagination(0);'>first </a></li>";
   $anc .= "<li class='next'><a href='javascript:$this->jspagination($previous);'>previous </a></li>";
  }
  
  ################if you dont want the numbers just comment this block############### 
  
  $norepeat = 3;//no of pages showing in the left and right side of the current page in the anchors
  $j = 1;
  $anch = "";
  for($i=$page_showing; $i>1; $i--){
   $fpreviouspage = $i-1;
   $page = ceil($fpreviouspage*$recpage)-$recpage;
   $anch = "<li><a href='javascript:$this->jspagination($page);'>$fpreviouspage </a></li>".$anch;
   if($j == $norepeat) break;
   $j++;
  }
  $anc .= $anch;
  $anc .= "<li class='active'>".$page_showing."</li>";
  $j = 1;
  for($i=$page_showing; $i<$total_page; $i++){
   $fnextpage = $i+1;
   $page = ceil($fnextpage*$recpage)-$recpage;
   $anc .= "<li><a href='javascript:$this->jspagination($page);'>$fnextpage</a></li>";
   if($j==$norepeat) break;
   $j++;
  }
  
  ############################################################
  if($next >= $numrows){
   $anc .= "<li class='previous-off'>next</li>";
   $anc .= "<li class='previous-off'>last</li>";
  }else{
   $anc .= "<li class='next'><a href='javascript:$this->jspagination($next);'>next </a></li>";
   $anc .= "<li class='next'><a href='javascript:$this->jspagination($last);'>last</a></li>";
  }
   $anc .= "</ul>";
  $this->anchors = $anc;
  
  $this->totalstr = "page : $page_showing <i> of  </i> $total_page . total records found: $numrows";
 }
}