添加手勢(shì)，并實(shí)現(xiàn)手勢(shì)的代理方法，不然無法點(diǎn)擊cell

func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {        if (touch.view?.isKind(of: UITableView.self))! {            return true        }        return false    }