thinkphp5.0でキャッシュをクリアする方法

namespace app\cache\controller;
use think\Controller;
use think\Cache;

public function Index()
{
return $this->fetch();
}
//清除模版缓存不删除cache目录;
public function clear_sys_cache()
{
Cache::clear();
$this->success('清除成功', 'Index/index');
}
//清除模版缓存但不删除temp目录;
public function clear_temp_ahce()
{
$path = glob(TEMP_PATH . '*.php');
array_map('unlink', $path);
$this->success('清除成功', 'Index/index');
}
//清除日志缓存并删出log空目录;
public function clear_log_chache()
{
$path = glob(LOG_PATH . '*');
foreach ($path as $item) {
//dump(glob($item .DS. '*.log'));
array_map('unlink', glob($item . DS . '*.log'));
rmdir($item);
}
$this->success('清除成功', 'Index/index');
}