return $much; } } public function showMoney(){ return $this->money; } public function showBank(){ return $this->bank; } } $lisi = new Human(); $flag = $lisi->send(2000); if($flag){ echo '借了',$flag,'元<br />'; echo '还剩',$lisi->showMoney(),'元<br />'; echo '银行还有',$lisi->showBank(),'元<br />'; } ?>