<dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.3.5</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>5.3.5</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.6</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/aopalliance/aopalliance -->
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

public interface VisitService {
    //用于實(shí)現(xiàn)前置通知，后置通知，異常通知，最終通知
    void visit(String str) throws Exception;

    //用于實(shí)現(xiàn)環(huán)繞通知
    void around();
}

public class VisitServiceImpl implements VisitService {
    //前置，后置，最終，異常通知的增強(qiáng)類(lèi)
    public void visit(String str) throws Exception{
        System.out.println(str);
        if(!str.equalsIgnoreCase("agree")){
            throw new Exception("非法訪(fǎng)問(wèn)");
        }
    }
    //環(huán)繞通知的增強(qiáng)類(lèi)
    public void around() {
        System.out.println("環(huán)繞通知");
    }
}

@Component("VisitAspect")
@Aspect //標(biāo)注當(dāng)前myAspect是一個(gè)切面類(lèi)
public class VisitAspect_anno {
    // 定義切入點(diǎn)表達(dá)式
    // 使用一個(gè)返回值為 void 、方法體為空的方法來(lái)命名切入點(diǎn)
    @Pointcut("execution(* Spring_AOP.service.impl.VisitServiceImpl.visit(..))")
    private void v1() {
    }

    //前置通知
    @Before("v1()")
    public void visitBefore(JoinPoint joinPoint) {

        System.out.println("口令：");
    }

    @After("v1()")
    //最終通知，無(wú)論是否報(bào)錯(cuò)，都執(zhí)行
    public void visitAfter(JoinPoint joinPoint) {
        System.out.println("輸入完成");
    }

    @AfterReturning("v1()")
    //后置通知報(bào)錯(cuò)不執(zhí)行
    public void visitSuccess(JoinPoint joinPoint) {
        System.out.println("請(qǐng)求成功，歡迎");
    }

    @AfterThrowing(value = "v1()",throwing = "ex")
    //異常通知，報(bào)錯(cuò)后執(zhí)行
    public void visitThrow(JoinPoint joinPoint, Throwable ex) {
        System.out.println("請(qǐng)求失敗，拒絕");
    }

    @Around("execution(* Spring_AOP.service.impl.VisitServiceImpl.around())")
    //環(huán)繞通知，如果報(bào)錯(cuò)只執(zhí)行前一句
    public Object visitAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        System.out.println("-------環(huán)繞-------");
        Object obj = proceedingJoinPoint.proceed();
        System.out.println("------------------");
        return obj;
    }
}

    <!-- 基于注解的聲明式 AspectJ -->
    <context:component-scan base-package="Spring_AOP" />
    <!-- 啟動(dòng)基于注解的聲明式 AspectJ 支持一 -->
    <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

 public class visitTest {
    @Test
    public void VisitTest(){
        ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext_AOP.xml");
        VisitService visitService = app.getBean(VisitService.class);
        try {
            visitService.visit("agree");
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            visitService.visit("ok");
        } catch (Exception e) {
            e.printStackTrace();
        }
        visitService.around();
    }
}