自定义注解+切面，环绕通知打印方法日志

自定义注解+切面，环绕通知打印方法日志

一、自定义注解类
public @interface XXXInterface {
}

二、切面类
@Component
@Aspect
public class XXXInterfaceAspect {

private static final Logger US_LOG = LogBuilderFactory.unstructuredLog();

@Pointcut("@annotation(annotation.XXXInterface)")
public void pointCut() {}

@Around("pointCut()")
public Object doAround(ProceedingJoinPoint joinPoint) throws Exception {
    XXXResponseDTO result;
    Signature signature = joinPoint.getSignature();
    MethodSignature methodSignature = (MethodSignature) signature;
    //获取目标对象
    Object target = joinPoint.getTarget();
    //获取目标方法
    Method method = target.getClass().getMethod(methodSignature.getName(), methodSignature.getParameterTypes());
    //获取方法注解
    XXXInterface annotation = method.getAnnotation(XXXInterface .class);
    //获取方法参数
    Object[] parameterValues = joinPoint.getArgs();
    XXXRequestDTO request = (XXXRequestDTO) Arrays.stream(parameterValues)
            //过滤继承XXXRequestDTO的类
            .filter(XXXRequestDTO.class::isInstance)
            .findFirst()
            .orElse(null);
            //获取请求id
    String requestId = Objects.isNull(request) ? null : request.getRequestId();
    long start = System.currentTimeMillis();
    try {
    //方法执行前打印日志
        xxx_LOG.info("received request, id: {}, method: {}, info: {}", Objects.isNull(requestId) ? StringUtils.EMPTY : requestId, method.getName(), request);
        //执行目标方法
        result = (BaseResponseDTO) joinPoint.proceed();
    } catch (XXXException pme) {
      
   
    } catch (Throwable e) {
   e.getMessage(), requestId);
    }
    result.setRequestId(requestId);
    result.setResponseDateTime(new Date());
    result.setResponseStatus(ResponseStatusEnum.SUCCESS);
    if (Objects.isNull(result.getResults())) {
        xxx_LOG.info("success handling request, id: {}, cost: {}", Objects.isNull(requestId) ? StringUtils.EMPTY : requestId, System.currentTimeMillis() - start);
    } else {
        int resCount = 0;
        if (result.getResults() instanceof List) {
            resCount = ( (List) result.getResults()).size();
        } else if (result.getResults() instanceof Map) {
            resCount = ( (Map) result.getResults()).size();
        }
        //方法执行后打印日志
        xxx_LOG.info();
    }
    return result;
}
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