/** * 设定集合 * * @param string $collection * @param string $database * @param string $cluster */ public function setCollection($collection, $database = DEFAULT_DATABASE, $cluster = DEFAULT_CLUSTER) { $this->collection = $collection; $this->database = $database; $this->cluster = $cluster; parent::__construct($this->config, $this->collection, $this->database, $this->cluster); if (method_exists($this, 'init')) { $this->init(); } }