@Transactional(rollbackFor=Exception.class)
public void method(){
// 會回滾
throw new Exception("");
// 會回滾
throw new RuntimeException("");
}

@Transactional(rollbackFor=RuntimeException.class) 或者 @Transaction() 
public void method(){
// 不會回滾
throw new Exception("");
// 會回滾
throw new RuntimeException("");
}