Db::startTrans PHP Method

    public function startTrans()
    {
        /*$this->initConnect(true);
          if (!$this->_linkID) {
              return false;
          }*/
        //数据rollback 支持
        if ($this->transTimes == 0) {
            Capsule::getReadPdo()->beginTransaction();
            // mysql_query('START TRANSACTION', $this->_linkID);
        }
        $this->transTimes++;
        return;
    }

 public function startTrans()
 {
     return $this->db->startTrans();
 }