@DeleteMapping("/batch")
    public ShenyuAdminResult deleteSelector(@Valid @RequestBody final BatchNamespaceCommonDTO batchNamespaceCommonDTO) {
        Integer deleteCount = selectorService.deleteByNamespaceId(batchNamespaceCommonDTO.getIds(), batchNamespaceCommonDTO.getNamespaceId());
        return ShenyuAdminResult.success(ShenyuResultMessage.DELETE_SUCCESS, deleteCount);
    }
delete Selectors.

@param batchNamespaceCommonDTO batchNamespaceCommonDTO.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/SelectorController.java