ABP8.1事务

protected readonly IUnitOfWorkManager _unitOfWorkManager;
public PlanningTaskManagerBase(IUnitOfWorkManager unitOfWorkManager)
{
 _unitOfWorkManager = unitOfWorkManager;
}

using (var uow = _unitOfWorkManager.Begin())
{
try
{
……
}
catch (Exception ex)
{
    await uow.RollbackAsync(); // 回滚事务
}
}