Java Dubbo @Reference 注解使用示例：优化代码以提高可读性和性能

@Reference(version = '1.0.0', group = 'dubbo', retries = 0) private CallResourceService callResourceService;

public String sendRequest(String resourceCode, Map<String, String> param) { BaseResult result = null; try { result = callResourceService.callResource(resourceCode, param); } catch (Exception e) { log.error('调用docking异常:', e); } String data = result != null ? result.getData() : null; log.info('docking返回:{}', JSONObject.toJSONString(result)); return StringUtils.isNotBlank(data) ? data : null; }