SpringBoot 日志记录（面向切面）

<!--利用 AOP 做操作日志记录-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface WebLog {

    /**
    * 渠道
    * @return 渠道标识
    */
    String channel() default "web";

    /**
     * 功能名称
     * @return 功能名称
     */
    String name() default "";

    /**
     * 方法名称
     * @return 方法名称
     */
    String action() default "";

    /**
     * 是否保存（默认不保存）
     * @return 是否保存
     */
    boolean saveFlag() default false;

}

@Aspect  // 表明此类为一个切面
@Component  // 随着框架的启动而启动
public class WebLogAspect {/**
     * 获取日志类，方便直接在控制台输出统一格式的日志信息
     */
    private final static Logger logger = LoggerFactory.getLogger(WebLogAspect.class);


    /**
     * 以 controller 包下定义的所有请求为切入点
     */
    @Pointcut("execution(public * net.parallel.controller.*.*(..))" +
            "||execution(public * net.parallel.feign.*.*(..))")
    public void webLog() {
    }


    /**
     * 在切点之前织入
     *
     * @param joinPoint
     * @throws Throwable
     */
    @Before("webLog()") // webLog():是你@Pointcut注解的方法名
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 开始打印请求日志
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        if (BeanUtil.isEmpty(request) || StringUtils.isBlank(request.getRequestURL())) {
            return;
        }

        // 打印请求相关参数
        logger.info("========================================== Start ==========================================");
        // 打印请求 url
        logger.info("URL            : {}", request.getRequestURL().toString());
        // 打印 Http method
        logger.info("HTTP Method    : {}", request.getMethod());
        // 打印调用 controller 的全路径以及执行方法
        logger.info("Class Method   : {}.{}", joinPoint.getSignature().getDeclaringTypeName(), joinPoint.getSignature().getName());
        // 打印请求的 IP
        logger.info("IP             : {}", request.getRemoteAddr());
        // 打印请求入参
        logger.info("Request Args   : {}", new Gson().toJson(joinPoint.getArgs()));

        // 获取 @ApiOperatjoinPoint = {MethodInvocationProceedingJoinPoint@21287} "execution(RestResponse net.evecom.parallel.controller.ParallelWorkController.businessAddParallelWork(String,String,String,String,String,String,String,String,String,String,String,String,String))"ion("") 注解中的信息，此注解属于swagger的，但也能获取，其他注解可举一反三
        ApiOperation apiOperation = null;

        // JoinPoint：oinPoint对象封装了SpringAop中切面方法的信息,在切面方法中添加JoinPoint参数,就可以获取到封装了该方法信息的JoinPoint对象.大概就是获取目标方法的一些信息
        MethodSignature ms = (MethodSignature) joinPoint.getSignature();
        apiOperation = ms.getMethod().getDeclaredAnnotation(ApiOperation.class);
        if (apiOperation != null) { ;
            logger.info("操作   : {}", apiOperation.value());
        }
    }


    /**
     * 在切点之后织入
     *
     * @throws Throwable
     */
    @After("webLog()")
    public void doAfter() throws Throwable {
        logger.info("=========================================== End ===========================================");
        // 每个请求之间空一行
        logger.info("");
    }


    /**
     * 环绕
     *
     * @param pjp
     * @return
     * @throws Throwable
     */
    @Around("webLog()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long startTime = System.currentTimeMillis();
        Object result = pjp.proceed();
        // 打印出参
        logger.info("Response Args  : {}", new Gson().toJson(result));
        // 执行耗时
        logger.info("Time-Consuming : {} ms", System.currentTimeMillis() - startTime);

        Object[] paramValues = pjp.getArgs();//获取参数数组
        Signature sig = pjp.getSignature();//获取方法对象
        MethodSignature msig = (MethodSignature )sig;
        Method method = msig.getMethod();

        //获取自定义注解的属性值
        WebLog ann = method.getAnnotation(WebLog.class);

        if (BeanUtil.isEmpty(ann)) {
            return result;
        }

        logger.info("请求参数： {}", JSON.toJSONString(paramValues));
        logger.info("返回值：{}", new Gson().toJson(result));return result;
    }


}

/**
     * 新增联办件调用接口（营业执照）—— 变更/注销
     * @return
     */
    @ApiOperation("新增联办件调用接口")
    @PostMapping("businessAddParallelWork")
    @WebLog(channel = "web", name = "新增联办件调用接口", action = "parallelWork/businessAddParallelWork", saveFlag = true)
    public RestResponse businessAddParallelWork(@RequestBody ParallelWorkOrderActvEntity parallelWorkOrderActvEntity) {
　　　　　　// 业务代码...
        return null;
    }

@FeignClient(name = "license-service", contextId = "license-service-approve")
public interface LicServiceFeign {

    /**
     * 变更流程发起
     *
     * @param json
     * @return
     */
    @WebLog(channel = "feign", name = "变更流程发起", action = "/lic/lic-change/saveTempData", saveFlag = true)
    @PostMapping("/lic/lic-change/saveTempData")
    RestResponse licChangeFlowStart(@RequestBody JSONObject json, @RequestHeader("Authorization") String authorization);

    /**
     * 注销流程发起
     *
     * @param json
     * @return
     */
    @WebLog(channel = "feign", name = "注销流程发起", action = "/lic/lic-cancel/save", saveFlag = true)
    @PostMapping("/lic/lic-cancel/save")
    RestResponse licCancelFlowStart(@RequestBody JSONObject json, @RequestHeader("Authorization") String authorization);

}