java8 lambada表达式使用

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@Transactional
@Override
public void setMenuToRole(Long roleId, Set<Long> menuIds) {
    if (!CollectionUtils.isEmpty(menuIds)) {
        menuIds.forEach(menuId -> {
            sysMenuRepository.save(roleId, menuId);
        });
    }
}

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转载自blog.csdn.net/Michaeles/article/details/89096360