PHP - 我如何显示前20个li然后有一个链接显示更多（图库）[关闭]

Question

I want to display about 20 li on a page with a link at the bottom that says something like 'display more'. This link will then clear the first 20 and display the next 20. How should i go about doing this. (I am creating a gallery)

I was thinking about using PHP and MySQL. However for what I am doing I do not really need to store it in a database so is there an easier way of doing it only using html, php or javascript?

thanks

Answer 1

Try this

 $list_images=glob('imagesPath'.'*.{jpg|jpeg|png|gif}', GLOB_BRACE);

 if(isset($_REQUEST['page_id']))
 {
     $pageNo=$_REQUEST['page_id'];
 }    
 if($pageNo =='') 
     $offset=0;
 else
      $offset=$pageNo; 

 for($i=$offset; $i<($offset+20); $i++)
 {
      echo"<a href=''><img src='$list_images[$i]' /> </a>";
 }

// Store the page no in a hidden variable

 <input type='submit' value='More' onclick ='pageSet()' />

//Javascript

   function pageSet()
   { 
    var id=document.getElementById('page_id').value;

     if(id =='')
     { 
          document.getElementById('page_id').value =1;
     }
     else
     {
            document.getElementById('page_id').value =parseInt(id)+1;
     }   

  }