Laravel事务处理： ``` use Illuminate\Support\Facades\DB; public function custom_transaction() { DB::beginTransaction(); try { // code... DB::commit(); } catch(QueryException $ex) { DB::rollback(); } } ``` 参考链接： https://laravel.com/docs/8.x/database#database-transactions https://blog.csdn.net/lengyue1084/article/details/106096585