ecshop有关问题

 0, 'message' => '', 'content' => '', 'goods_id' => '');
    
    
    $upload_img = $_REQUEST['upload_img'];
    
    

    $result['content'] = $upload_img;
    
    
    die($json->encode($result));
}
?>

function fileSubmit()
{
    var upload_img = document.getElementById("publisher_file").value;
    Ajax.call('json.php', 'step=update_img&upload_img='+upload_img, changeImageResponse, 'GET', 'JSON');
}
function changeImageResponse(result)
{
    alert(result.content.content);
}