= = = = = = อยากได้แนวทาง การทำ ปุ่มพอกดแล้ว +1 ไปเรื่อยๆค่ะ = = = = = =

<script>
// Jquery
$(document).ready(function(){
 $("#add").live("click",function(){
  $.ajax({
    url:"like.php",
    type:"POST",
    data:"id=1",
    success:function(res){
      $("span.like").html(res);
    },
    error:function(err){ 
      alert("error : "+err);
    }
  });
});
});
</script>

<span class='like'></span>&nbsp;<a href='#' id="add">+1</a>

$update=mysql_query("UPDATE tb_counter set counter=counter+1 where id='".$_POST['id']."'");
if($update)
{
  $sql="Select * from tb_counter where id='".$_POST['id']."'";
  $rs=mysql_query($sql);
  $f=mysql_fetch_array($rs);
  echo $f['counter'];
}