@Override
    @Pageable
    public CommonPager<RoleVO> listByPage(final RoleQuery roleQuery) {
        return PageResultUtils.result(roleQuery.getPageParameter(), () -> roleMapper.selectByQuery(roleQuery)
                .stream()
                .map(RoleVO::buildRoleVO)
                .collect(Collectors.toList()));
    }
find page of role by query.

@param roleQuery {@linkplain RoleQuery}
@return {@linkplain CommonPager}
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/RoleServiceImpl.java