SpringBoot使用AOP记录日志

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aspects</artifactId>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.75</version>
</dependency>

public class HttpContextUtils {
    public static HttpServletRequest getHttpServletRequest() {
        return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
    }
}

public class IPUtils {
    private static Logger logger = LoggerFactory.getLogger(IPUtils.class);
    /**
     * 获取IP地址
     * 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址
     * 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址
     */
    public static String getIpAddr(HttpServletRequest request) {
        String ip = null;
        try {
            ip = request.getHeader("x-forwarded-for");
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("Proxy-Client-IP");
            }
            if (StringUtils.isEmpty(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("WL-Proxy-Client-IP");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_CLIENT_IP");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_X_FORWARDED_FOR");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getRemoteAddr();
            }
        } catch (Exception e) {
            logger.error("IPUtils ERROR ", e);
        }
        // 使用代理，则获取第一个IP地址
        if (StringUtils.isEmpty(ip) && ip.length() > 15) {
            if (ip.indexOf(",") > 0) {
                ip = ip.substring(0, ip.indexOf(","));
            }
        }
        return ip;
    }
}

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface LogAnnotation {
    String module() default "";
    String operator() default "";
}

@Slf4j
@Aspect
@Component
public class LogAspect {
    @Pointcut(value = "@annotation(com.example.demo.aop.LogAnnotation)")
    public void pt() {
    }
    //环绕通知
    @Around("pt()")
    public Object log(ProceedingJoinPoint joinPoint) throws Throwable {
        long startTime = System.currentTimeMillis();
        //执行方法
        Object result = joinPoint.proceed();
        //执行时长
        long time = System.currentTimeMillis() - startTime;
        //保存日志
        recordLog(joinPoint, time);
        return result;
    }
    private void recordLog(ProceedingJoinPoint joinPoint, long time) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        LogAnnotation logAnnotation = method.getAnnotation(LogAnnotation.class);
        log.info("============log start==========");
        log.info("module:{}", logAnnotation.module());
        log.info("operator:{}", logAnnotation.operator());
        //请求的方法名
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        log.info("request method:{}", className + "." + methodName + "()");
        //请求的参数
        Object[] args = joinPoint.getArgs();
        String params = JSON.toJSONString(args[0]);
        log.info("params:{}", params);
        //获取request 设置IP地址
        HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
        log.info("ip:{}", IPUtils.getIpAddr(request));
        log.info("excute time: {} ms", time);
        log.info("==============log end=============");
    }
}

@GetMapping(value = "/test")
@LogAnnotation(module = "方法", operator = "测试方法")
public void test(String test) {
    log.info("test方法执行了 入参为:{}", test);
}

:test方法执行了入参为:param
.307:============logstart==========
.307:module:方法
.307:operator:测试方法
.307:requestmethod:com.example.demo.controller.HomeController.test()
.368:params:"param"
.369:ip:0:0:0:0:0:0:0:1
.370:excutetime:5844ms
.370:==============logend=============