@Override
    public CommonPager<SelectorVO> listByPage(final SelectorQuery selectorQuery) {
        return PageResultUtils.result(selectorQuery.getPageParameter(), () -> selectorMapper.selectByQuery(selectorQuery)
                .stream()
                .map(SelectorVO::buildSelectorVO)
                .collect(Collectors.toList()));
    }
find page of selector by query.

@param selectorQuery {@linkplain SelectorQuery}
@return {@linkplain CommonPager}
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/SelectorServiceImpl.java