/**
* 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();
}
}
