/**
* between, 两端开区间
* @param $attribute
* @param null $min
* @param null $max
* @return static
*/
public function whereBetween($attribute, $min, $max)
{
if ($min > $max) {
return $this->whereEquals(0, 1);
}
$this->original->whereBetween($attribute, [$min, $max]);
return $this;
}