echo "<script>alert('删除成功');window.location.href='?c=Banner&a=index' </script>";
die;
echo "<script>alert('修改失败');window.history.back() </script>";
die;
echo "<script>alert('删除成功');window.location.href='?c=Banner&a=index' </script>";
die;
echo "<script>alert('修改失败');window.history.back() </script>";
die;