SpringBoot实现动态插拔的AOP的完整案例

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

public interface UserService {  
    void createUser(String name);  
}  

@Service  
public class UserServiceImpl implements UserService {  
    @Override  
    public void createUser(String name) {  
        System.out.println("创建用户：" + name);  
    }  
}  

@Aspect  
@Component  
public class LoggingAspect {  

    @Pointcut("@annotation(com.example.DynamicLog)")  
    public void dynamicLogPointcut() {}  

    @Around("dynamicLogPointcut()")  
    public Object aroundAdvice(ProceedingJoinPoint joinPoint) throws Throwable {  
        System.out.println("动态日志：方法调用开始");  
        Object result = joinPoint.proceed();  
        System.out.println("动态日志：方法调用结束");  
        return result;  
    }  
}  

@Retention(RetentionPolicy.RUNTIME)  
@Target(ElementType.METHOD)  
public @interface DynamicLog {  
}  

aop:  
  logging-enabled: true  

@Aspect  
@Component  
@ConditionalOnProperty(name = "aop.logging-enabled", havingValue = "true")  
public class LoggingAspect {  
    // 切面代码同上  
}  

@SpringBootTest  
public class AopTest {  

    @Autowired  
    private UserService userService;  

    @Test  
    public void testDynamicAop() {  
        userService.createUser("张三");  
    }  
}  

@Entity  
public class AopConfig {  
    @Id  
    private Long id;  
    private String aspectName;  
    private boolean enabled;  
}  

@Component  
public class AopConfigRefresher {  

    @Autowired  
    private AopConfigRepository configRepository;  

    @Scheduled(fixedRate = 5000)  
    public void refreshAopConfig() {  
        // 读取配置并动态调整切面逻辑  
    }  
}