spring boot aop 配置使用

清疚 2022-05-13 07:22 152阅读 0赞

1. 首先要把aop的依赖加进来
      <dependency>  
           <groupId>org.springframework.boot</groupId>  
           <artifactId>spring-boot-starter-aop</artifactId>  
     </dependency>
    
    2. 根据自己的需求，创建相关的切面
    
    package com.example.aop;  
      
    import org.aspectj.lang.JoinPoint;  
    import org.aspectj.lang.ProceedingJoinPoint;  
    import org.aspectj.lang.annotation.*;  
    import org.springframework.stereotype.Component;  
    import org.springframework.web.context.request.RequestContextHolder;  
    import org.springframework.web.context.request.ServletRequestAttributes;  
      
    import javax.servlet.http.HttpServletRequest;  
    import java.util.Arrays;  
      
    /** 
     * Created by wuwf on 17/4/27. 
     * 日志切面 
     */  
    @Aspect  
    @Component  
    public class LogAspect {  
        @Pointcut("execution(public * com.example.service.*.*(..))")  
        public void webLog(){}  
      
        @Before("webLog()")  
        public void deBefore(JoinPoint joinPoint) throws Throwable {  
            // 接收到请求，记录请求内容  
            ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();  
            HttpServletRequest request = attributes.getRequest();  
            // 记录下请求内容  
            System.out.println("URL : " + request.getRequestURL().toString());  
            System.out.println("HTTP_METHOD : " + request.getMethod());  
            System.out.println("IP : " + request.getRemoteAddr());  
            System.out.println("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());  
            System.out.println("ARGS : " + Arrays.toString(joinPoint.getArgs()));  
      
        }  
      
        @AfterReturning(returning = "ret", pointcut = "webLog()")  
        public void doAfterReturning(Object ret) throws Throwable {  
            // 处理完请求，返回内容  
            System.out.println("方法的返回值 : " + ret);  
        }  
      
        //后置异常通知  
        @AfterThrowing("webLog()")  
        public void throwss(JoinPoint jp){  
            System.out.println("方法异常时执行.....");  
        }  
      
        //后置最终通知,final增强，不管是抛出异常或者正常退出都会执行  
        @After("webLog()")  
        public void after(JoinPoint jp){  
            System.out.println("方法最后执行.....");  
        }  
      
        //环绕通知,环绕增强，相当于MethodInterceptor  
        @Around("webLog()")  
        public Object arround(ProceedingJoinPoint pjp) {  
            System.out.println("方法环绕start.....");  
            try {  
                Object o =  pjp.proceed();  
                System.out.println("方法环绕proceed，结果是 :" + o);  
                return o;  
            } catch (Throwable e) {  
                e.printStackTrace();  
                return null;  
            }  
        }  
    }