PHP simple paging class_PHP tutorial

/**
* Pagination class
* 2011/8/31
* kcj
**/
class Page{
private $total; //Query the total data records
Private $page; //The current page
//private $pagesize; //Number of items displayed on each page
Private $pagenum; //How many pages in total
private $num; //Number of records displayed on each page
Private $offset; //Get the starting offset of the record from the database
       
Function __construct($total,$page=1,$num=5){
          $this->total=$total;
          $this->page=$page;
           $this->num=$num;
           $this->pagenum=$this->getPageNum();
          $this->offset=$this->getOffset();
}  
Private function getPageNum(){
Return ceil($this->total/$this->num);
}  
Private function getNextPage(){ //Next page
If($this->page==$this->pagenum){
             return false;
                                                                                         return $this->page+1;
         } 
}  
private function getPrevPage(){
If($this->page==1){                                                                                                                                                                                                                 return false;
                                                                                        return $this->page-1;
         } 
}  
private function getOffset(){
           return ($this->page-1)*$this->num;
}  
Private function getStartNum(){
If ($this->total==0) {
              return 0;
                                                                                        return $this->offset+1;
         } 
}  
private function getEndNum(){
          return min($this->offset+$this->num,$this->total);
}  
Public function getPageInfo(){
         $pageInfo=array(
"row_total"=>$this->total,
"row_num" =>$this->num,
"page_num" =>$this->getPageNum(),
"current_page"=>$this->page,
"row_offset"=>$this->getOffset(),
"next_page"=>$this->getNextPage(),
"prev_page"=>$this->getPrevPage(),
"page_start"=>$this->getStartNum(),
"page_end" =>$this->getEndNum()
);
Return $pageInfo;
}  
}
?>

Excerpted from chaojie2009’s column

http://www.bkjia.com/PHPjc/478369.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/478369.htmlTechArticle?php /*** Pagination class * 2011/8/31 * kcj **/ class Page{ private $total; //Query the total data records private $page; //The current page //private $pagesize; //The number of items displayed on each page private...