springboot高级功能（四）业务实战，自定义注解收集操作日志

@Target({ElementType.PARAMETER, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Log {
    /**
     * 注释
     */
    String operationName() default "";
}

@Component
public class LogAspect {
    private Logger logger = LoggerFactory.getLogger(LogAspect.class);
    private String succeed = "true";
    /**
     * 在注释@log的方法中进入本类
     */
    @Pointcut("@annotation(com.resource.business.modular.log.annotation.Log)")
    public void logPointCut() {}
    /**
     * 前置通知 用于拦截操作，在方法返回后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "logPointCut()", returning = "jsonResult")
    public void doAfter(JoinPoint joinPoint, Result jsonResult) {
        handleLog(joinPoint, jsonResult);
    }
    /**
     * 拦截异常操作，有异常时执行
     *
     * @param joinPoint
     * @param e
     */
    @AfterThrowing(value = "logPointCut()", throwing = "e")
    public void doAfter(JoinPoint joinPoint, Exception e) {
        Log controllerLog = getAnnotationLog(joinPoint);
        // 没有注解
        if (controllerLog == null) {
            return;
        }
        // 处理入参
        String args = this.argsArrayToString(joinPoint.getArgs());
        // 获取请求上下文信息
        ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        HttpServletResponse response = attributes.getResponse();
        // 获取时间
        SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // 获取用户信息
        String userName = (String.valueOf(SecurityContextHolder.getContext().getAuthentication().getPrincipal()));
        // 组合入参信息
        logger.error("|" + userName + "|" + controllerLog.operationName() + "|" + sd.format(new Date()) + "|"
            + IpUtil.getIpAddr() + "|" + "XXX系统" + "|" + "操作日志" + "|" + "null" + "|" + "null");
        logger.error("|" + userName + "|" + controllerLog.operationName() + "|" + sd.format(new Date()) + "|"
            + IpUtil.getIpAddr() + "|" + "XXX系统" + "|" + "接口日志" + "|" + request.getRequestURI() + "|" + args);
        logger.debug("错误信息为：" + e);
    }
    /**
     * 判断是否有注解
     * 
     * @param joinPoint
     * @throws Exception
     */
    private Log getAnnotationLog(JoinPoint joinPoint) {
        Signature signature = joinPoint.getSignature();
        MethodSignature methodSignature = (MethodSignature)signature;
        Method method = methodSignature.getMethod();
        if (method != null) {
            return method.getAnnotation(Log.class);
        }
        return null;
    }
    /**
     * 功能描述:执行日志操作
     *
     * @param: joinPoint ,e ,response
     * @return:
     */
    private void handleLog(final JoinPoint joinPoint, Result jsonResult) {
        Log controllerLog = getAnnotationLog(joinPoint);
        // 没有注解
        if (controllerLog == null) {
            return;
        }
        // 处理入参
        String args = this.argsArrayToString(joinPoint.getArgs());
        // 获取请求上下文信息
        ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        HttpServletResponse response = attributes.getResponse();
        // 获取时间
        SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // 获取用户信息
        String userName = (String.valueOf(SecurityContextHolder.getContext().getAuthentication().getPrincipal()));
        // 组合入参信息
        logger.info("|" + userName + "|" + controllerLog.operationName() + "|" + sd.format(new Date()) + "|"
            + IpUtil.getIpAddr() + "|" + "XXX系统" + "|" + "操作日志" + "|" + "null" + "|" + "null");
        logger.info("|" + userName + "|" + controllerLog.operationName() + "|" + sd.format(new Date()) + "|"
            + IpUtil.getIpAddr() + "|" + "XXX系统" + "|" + "接口日志" + "|" + request.getRequestURI() + "|" + args);
        logger.info("输出参数：" + JSONArray.toJSONString(jsonResult.getData()));
    }
    /**
     * 组装入参
     * 
     * @param paramsArray
     * @return
     */
    private String argsArrayToString(Object[] paramsArray) {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0) {
            for (int i = 0; i < paramsArray.length; i++) {
                if (!isFilterObject(paramsArray[i])) {
                    Object jsonObj = JSON.toJSON(paramsArray[i]);
                    params += jsonObj.toString() + " ";
                }
            }
        }
        if (("").equals(params.trim())) {
            params = "无入参";
        }
        return params.trim();
    }
    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    public boolean isFilterObject(final Object o) {
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse;
    }
}