public function counter() { $c = new SaeCounter(); //实例化 $c->create("test"); //创建计算器 $c->set("test", 30); //设置值 $ret = $c->get("test"); //获得值 dump($ret); $ret = $c->incr("test"); //增加值 dump($ret); $ret = $c->decr("test"); //减少值 dump($ret); }