Spring Boot学习入门之AOP处理请求详解

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

@RestController 
public class MyController { 
 
  
 @RequestMapping(value="/hello", method=RequestMethod.GET) 
 public String hello() { 
  return ""; 
 } 
  
} 

@Component 
@Aspect 
public class RequestInterceptor { 
  
 @Pointcut("execution(* com.example.controller.*.*(..))") 
 public void pointcut1() {} 
  
 @Before("pointcut1()") 
 public void doBefore() { 
  System.out.println("before"); 
 } 
  
 @Around("pointcut1()") 
 public void around(ProceedingJoinPoint thisJoinPoint) throws Throwable { 
  System.out.println("around1"); 
  thisJoinPoint.proceed(); 
  System.out.println("around2"); 
 } 
  
 @After("pointcut1()") 
 public void after(JoinPoint joinPoint) { 
  System.out.println("after"); 
 } 
  
 @AfterReturning("pointcut1()") 
 public void afterReturning(JoinPoint joinPoint) { 
  System.out.println("afterReturning"); 
 } 
  
 @AfterThrowing("pointcut1()") 
 public void afterThrowing(JoinPoint joinPoint) { 
  System.out.println("afterThrowing"); 
 } 
  
} 

ServletRequestAttributes attributes =(ServletRequestAttributes) RequestContextHolder.getRequestAttributes(); 
HttpServletRequest request = attributes.getRequest(); 

@After("pointcut1()") 
public void after(JoinPoint joinPoint) { 
 logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName()+ "." + joinPoint.getSignature().getName()); 
 System.out.println("after"); 
}