@GetMapping("")
    public ShenyuAdminResult queryProxySelector(final String name, @NotNull final Integer currentPage,
                                                @NotNull final Integer pageSize,
                                                @Existed(message = "namespace is not existed",
                                                        provider = NamespaceMapper.class) final String namespaceId) {

        CommonPager<ProxySelectorVO> commonPager = proxySelectorService
                .listByPage(new ProxySelectorQuery(name, new PageParameter(currentPage, pageSize), namespaceId));
        return ShenyuAdminResult.success(ShenyuResultMessage.QUERY_SUCCESS, commonPager);
    }
page proxy selector.

@param name        name
@param currentPage currentPage
@param pageSize    pageSize
@param namespaceId namespaceId
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/ProxySelectorController.java