@Aspect
@Component
public class LogAspect {
    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);


    @Pointcut("execution(public * com.example.demo.controller..*.*(..))") //切点
    public void webLog() {
    }

    /**
     *
     * @param joinPoint
     */
    @Before("webLog()") //切点之前执行
    public void doBefore(JoinPoint joinPoint) {
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        log.info("请求的地址" + String.valueOf(request.getRequestURL()));
        log.info("请求的IP" + String.valueOf(request.getRemoteAddr()));
    }

    @AfterReturning(returning = "ret", pointcut = "webLog()")  //切点后返回值
    public void doAfterReturning(Object ret) {
        log.info(ret.toString());
    }


}