/**
* 查询全部数据
*
* @param string $query
* @param string $sort
* @param string $fields
* @return string
*/
public function findAll($query, $sort, $fields)
{
$query = $this->toArray($query);
$sort = $this->toArray($sort);
if (empty($sort)) {
$sort = array('_id' => -1);
}
$fields = $this->toArray($fields);
$rst = $this->_model->findAll($query, $sort, 0, 0, $fields);
return $this->result($rst);
}
