/**
* 清洗已经存储的所有元素
*
*/
public function truncate()
{
foreach ($this->conf['server'] as $key => $val) {
if (!isset($this->redis[$key]) || !is_object($this->redis[$key])) {
$instance = new \Redis();
if ($instance->pconnect($val['host'], $val['port'], 1.5)) {
$this->redis[$key] = $instance;
} else {
throw new \RuntimeException(Lang::get('_CACHE_NEW_INSTANCE_ERROR_', 'Redis'));
}
}
$this->redis[$key]->flushDB();
}
return true;
}