thinkPHP事务操作简单案例分析

Db::startTrans();
try{
  操作；
  对象- save();
  Db::commit();
}
catch (Exception $ex) {
  Db::rollback();
  throw $ex;
}

private function createOrderByTrans($snap)
{
    Db::startTrans();
    try {
      $orderNo = $this- makeOrderNo();
      $order = new OrderModel();
      $order- user_id = $this- uid;
      $order- order_no = $orderNo;
      $order- total_price = $snap['orderPrice'];
      $order- total_count = $snap['totalCount'];
      $order- snap_img = $snap['snapImg'];
      $order- snap_name = $snap['snapName'];
      $order- snap_address = $snap['snapAddress'];
      $order- snap_items = json_encode($snap['pStatus']);
      $order- save();
      $orderID = $order- id;
      $create_time = $order- create_time;
      foreach ($this- oProducts as &$p) {
        $p['order_id'] = $orderID;
      }
      $orderProduct = new OrderProduct();
      $orderProduct- saveAll($this- oProducts);
      Db::commit();
      return [
        'order_no' =  $orderNo,
        'order_id' =  $orderID,
        'create_time' =  $create_time
      ];
    } catch (Exception $ex) {
      Db::rollback();
      throw $ex;
    }
}