加入POM引用 org.springframework.boot

spring-boot-starter-aop

ch.qos.logback

logback-classic

自定义切点 package cn.wuhg.climbing.service.design.patterns.sessionid.aspect;

import java.lang.annotation.*;

/**

* 自定义日志注解

*/

@Target(ElementType.METHOD)

@Retention(RetentionPolicy.RUNTIME)

@Documented

public @interface LogId {

String value() default "";

}

自定义日志切面 package cn.wuhg.climbing.service.design.patterns.sessionid.aspect;

import org.aspectj.lang.JoinPoint;

import org.aspectj.lang.annotation.*;

import org.slf4j.MDC;

import org.springframework.stereotype.Component;

import java.util.UUID;

/**

* 自定义日志切面

*/

@Aspect

@Component

public class LogAspect {

private final static String SESSION_ID = "sessionId";

/**

* 自定义切点

*/

@Pointcut("@annotation(cn.wuhg.climbing.service.design.patterns.sessionid.aspect.LogId)")

public void pointCut() {

}

/**

* 前置通知-记录请求信息

* @param joinPoint

*/

@Before("pointCut()")

public void doBeforeAdvice(JoinPoint joinPoint) {

// MDC容器增加requestId

String uuid = UUID.randomUUID().toString().replaceAll("-", "");

MDC.put(SESSION_ID, uuid);

}

/**

* 后置通知-记录返回信息

* @param joinPoint

* @param result

*/

@AfterReturning(pointcut = "pointCut()", returning = "result")

public void doAfterReturningAdvice(JoinPoint joinPoint, Object result) {

MDC.remove(SESSION_ID);

}

/**

* 后置异常通知-记录返回出现异

* @param joinPoint

* @param exception

*/

@AfterThrowing(value = "pointCut()", throwing = "exception")

public void doAfterThrowingAdvice(JoinPoint joinPoint, Throwable exception) {

MDC.remove(SESSION_ID);

}

}

logback配置 SpringBootDemo

${LOG_PATH}/${APPDIR}/logs.log

${LOG_PATH}/${APPDIR}/logs-%d{yyyy-MM-dd}.%i.log

20MB

true

%d{yyyy-MM-dd HH:mm:ss.SSS} [%X{sessionId}] %-5level %class.%method Line:%-3L - %msg%n

utf-8

%d{yyyy-MM-dd HH:mm:ss.SSS} [%X{sessionId}] %-5level %class.%method Line:%-3L - %msg%n

utf-8

debug

Controller接口 @LogId

@GetMapping("/log")

public void logId(){

log.info("测试slf4j日志线程ID");

}

日志截图，红框处是会话ID

整体切面过滤

可以通过制定路径范围，来整体过滤，去除了@LogId注解的限制，仅需将自定义切面替换即可 @Pointcut("execution(public * cn.wuhg.climbing.service.design.patterns..*(..))")

public void pointCut() {

}