echo "<script>alert('系統:資料為空值,請稍後在試');location.href='".$_SERVER["HTTP_REFERER"]."';</script>";
echo "<script>alert('系統:資料為空值,請稍後在試');history.back();</script>";
echo "<script>alert('系統:資料為空值,請稍後在試');location.href='".$_SERVER["HTTP_REFERER"]."';</script>";
echo "<script>alert('系統:資料為空值,請稍後在試');history.back();</script>";