@Transactional(propagation = Propagation.REQUIRES, readOnly = true)
public List<Product> findAllProducts() {
    return this.productDao.findAllProducts();
}

// 回滾Exception類型異常
@Transactional(rollbackFor = Exception.class)
public void test1() throws Exception {
    // ..
}

// 回滾自定義類型異常
@Transactional(rollbackForClassName = "org.transaction.demo.CustomException")
public void test2() throws Exception {
    // ..
}

// 不回滾自定義類型異常
@Transactional(noRollbackFor = CustomException.class)
public void test3() throws Exception {
    // ..
}

//設(shè)置事務(wù)超時時間，單位秒
@Transactional(timeout = 5)
public void test() {
    // ..
}

//每次外層事務(wù)調(diào)用都會開啟一個新事務(wù)
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void test() {
    // ..
}

//設(shè)置事務(wù)隔離級別為串行
@Transactional(isolation = Isolation.SERIALIZABLE))
public void test() {
    // ..
}

    @Transactional(rollbackFor = RuntimeException.class)
    public void insertUser(User user) {
        userMapper.insertUser(user);
        throw new RuntimeException("");
    }
    
    /**
     * 內(nèi)部調(diào)用新增方法
     */
    public void insertMale(User user) {
        user.setGender("male");
        this.insertUser(user);
    }

    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        //代理之前做增強(qiáng)
        System.out.println("代理之前...");
        //根據(jù)需要添加事務(wù)處理邏輯
        ...
        //調(diào)用原有方法 insertMale
        Object obj = method.invoke(object, args);
        //做增強(qiáng)
        System.out.println("代理之后...");
        //根據(jù)需要添加事務(wù)處理邏輯
        ...
        return obj;
    }

    public void insertMale(User user) {
        user.setGender("male");
        //這里的 this 指向了目標(biāo)類而不是代理類
        //所以及時下面的方法添加了事務(wù)注解，但是并沒有除法增強(qiáng)實現(xiàn)，事務(wù)也還是不生效的
        this.insertUser(user);
    }

@Service
public class TestService {
    @Autowired
    private TestService testService;

    @Transactional(rollbackFor = RuntimeException.class)
    public void insertUser(User user) {
        userMapper.insertUser(user);
        throw new RuntimeException("");
    }
    
    /**
     * 內(nèi)部調(diào)用新增方法
     */
    public void insertMale(User user) {
        user.setGender("male");
        //這里使用 字段 testService 調(diào)用事務(wù)方法
        testService.insertUser(user);
    }
}

@Service
public class TestService {
    @Autowired
    private ApplicationContext applicationContext;

    @Transactional(rollbackFor = RuntimeException.class)
    public void insertUser(User user) {
        userMapper.insertUser(user);
        throw new RuntimeException("");
    }
    
    /**
     * 內(nèi)部調(diào)用新增方法
     */
    public void insertMale(User user) {
        user.setGender("male");
        //這里使用上下文獲取目標(biāo)類實例
        TestService testService = applicationContext.getBean(TestService.class);
        testService.insertUser(user);
    }
}

@SpringBootApplication
//配置：導(dǎo)出代理對象到AOP上下文
@EnableAspectJAutoProxy(exposeProxy = true)
public class DemoApplication {
}

public class TestService {

    @Transactional(rollbackFor = RuntimeException.class)
    public void insertUser(User user) {
        userMapper.insertUser(user);
        throw new RuntimeException("");
    }
    
    /**
     * 內(nèi)部調(diào)用新增方法
     */
    public void insertMale(User user) {
        user.setGender("male");
        //使用AOP上下文獲取目標(biāo)代理類
        TestService testService = (TestService) AopContext.currentProxy();
        testService.insertUser(user);
    }
}