Modification link of index page

<div><a href="{:url('admin/broadcast/update',['id'=>$v['id'] ])}">Modify</a></div>

jquery

$(function(){

$('#upda ').click(function(id){

          var id = $(this).attr('id'); 'Post',

Url: "{: url ('admin/" broadcast/update')} ",

Data: $ ('#form'). Serialize (),

                        dataType:'json',

                                                                                                                                                              alert("success");

                                  

##                                                                                                                                                          # public function update(){

$id=$this->request->get('id');

print_r($id);

if($this->request->isPost()){

          $post=$this->request->post();

                                                         table('tplay_broadcast')-> where('id',$id)->update($post); 'tplay_broadcast')->where('id',$id)->find();

            $this->assign('data',$data);

return $this->fetch();

}

}