@Override
    public CommonPager<AppAuthVO> listByPage(final AppAuthQuery appAuthQuery) {
        return PageResultUtils.result(appAuthQuery.getPageParameter(),
                () -> appAuthMapper.countByQuery(appAuthQuery),
                () -> appAuthMapper.selectByQuery(appAuthQuery)
                        .stream()
                        .map(AppAuthTransfer.INSTANCE::mapToVO)
                        .collect(Collectors.toList()));
    }
find page of application authority by query.

@param appAuthQuery {@linkplain AppAuthQuery}
@return {@linkplain CommonPager}
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/AppAuthServiceImpl.java