springboot之AOP切面日志

不念不忘少年蓝@ 2022-04-14 02:16 286阅读 0赞

**一.定义注解Log**  
pom.xml添加

<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-aop</artifactId>
    		</dependency>

配置文件

spring:
        aop:
          auto: true
          proxy-target-class: true

1.用户在开启日志记录功能

@Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    public @interface Log { 
    	String value() default "";
    }

2.定义日志切面

@Aspect
    @Component
    public class LogsAspect { 
        private static final Logger logger = LoggerFactory.getLogger(LogAspect.class);
    
        @Pointcut("@annotation(com.example.springbootTest.common.annotation.Log)")
        public void logPointCut() { 
        }
    
        @Around("logPointCut()")
        public Object around(ProceedingJoinPoint point) throws Throwable { 
            long beginTime = System.currentTimeMillis();
            // 执行方法
            Object result = point.proceed();
            // 执行时长(毫秒)
            long time = System.currentTimeMillis() - beginTime;
            //异步保存日志
            saveLog(point, time);
            return result;
        }
        //处理日志,比如输出 保存到数据库...
        void saveLog(ProceedingJoinPoint joinPoint, long time) throws InterruptedException { 
            MethodSignature signature = (MethodSignature) joinPoint.getSignature();
            Method method = signature.getMethod();
            String methodName = signature.getName();
            // 请求的方法名
            String className = joinPoint.getTarget().getClass().getName();
            logger.info("------------------------接口日志-----------------------"+"\n"+"类名称:"+className
                    +"\n"+"方法名:"+methodName+"\n"+"执行时间:"+time+"毫秒");
        }
    }

3.使用

@GetMapping("/test")
        @Log
        public String test(){ 
            return "hello world";
        }

结果:

> 2018-11-23 10:41:06 166128 \[http-nio-8085-exec-2\] INFO c.e.s.common.aop.LogAspect - ------------------------接口日志-----------------------  
> 类名称:com.example.springbootTest.controller.TestController  
> 方法名:test  
> 执行时间:38毫秒

##### 二.不用注解形式 #####

在controller执行执行打印日志,示例代码:

@Component  //声明组件
    @Aspect // 声明切面
    @ComponentScan  //组件自动扫描
    @EnableAspectJAutoProxy //spring自动切换JDK动态代理和CGLIB
    public class LogAspect { 
        @Resource
        HttpServletRequest request;
        /** *自定义日志 */
        private Logger logger = LoggerFactory.getLogger(LogAspect.class);
    
        /** * 在方法执行前进行切面 */
        @Pointcut("execution(* com.example.springbootTest..*.*(..)) && (@annotation(org.springframework.web.bind.annotation.GetMapping)||@annotation(org.springframework.web.bind.annotation.PutMapping)||@annotation(org.springframework.web.bind.annotation.DeleteMapping)||@annotation(org.springframework.web.bind.annotation.PostMapping)||@annotation(org.springframework.web.bind.annotation.RequestMapping))")
        public void log() { 
        }
    
        @Before("log()")
        public void before(JoinPoint point) { 
            logger.info("---------------------请求开始---------------------");
            logger.info("请求地址:"+request.getRequestURL().toString());
            logger.info("请求方式:"+request.getMethod());
            logger.info("请求类方法:"+point.getSignature());
            logger.info("请求类方法参数:"+ Arrays.toString(point.getArgs()));
            logger.info("-------------------------------------------------");
    
        }
    }