摘要: 1 class Stack 2 { 3 private $_data = []; 4 private $_end = null; 5 6 public function push($data) 7 { 8 if($this->_end null) 9 $this->_end = 0; 10 else 阅读全文
posted @ 2017-02-03 16:35 shijiu520 阅读(126) 评论(0) 推荐(0)