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);
}
