public interface PlatformTransactionManager {
  org.springframework.transaction.TransactionStatus getTransaction(org.springframework.transaction.TransactionDefinition transactionDefinition) throws org.springframework.transaction.TransactionException;

  void commit(org.springframework.transaction.TransactionStatus transactionStatus) throws org.springframework.transaction.TransactionException;

  void rollback(org.springframework.transaction.TransactionStatus transactionStatus) throws org.springframework.transaction.TransactionException;
}

//@EnableTransactionManagement // 開啟注解事務(wù)管理，等同于xml配置文件中的 <tx:annotation-driven />
@SpringBootApplication
public class ProfiledemoApplication implements TransactionManagementConfigurer {
  @Resource(name="txManager2")
  private PlatformTransactionManager txManager2;
  // 手動(dòng)創(chuàng)建事務(wù)管理器1 datasource框架會(huì)自動(dòng)注入
  //在Spring容器中，我們手工注解@Bean 將被優(yōu)先加載，框架不會(huì)重新實(shí)例化其他的 PlatformTransactionManager 實(shí)現(xiàn)類。
  @Bean(name = "txManager1")
  public PlatformTransactionManager txManager(DataSource dataSource) {
    return new DataSourceTransactionManager(dataSource);
  }

  // 創(chuàng)建事務(wù)管理器2
  @Bean(name = "txManager2")
  public PlatformTransactionManager txManager2(EntityManagerFactory factory) {
    return new JpaTransactionManager(factory);
  }

  // 實(shí)現(xiàn)接口 TransactionManagementConfigurer 方法，其返回值代表在擁有多個(gè)事務(wù)管理器的情況下默認(rèn)使用的事務(wù)管理器
  @Override
  public PlatformTransactionManager annotationDrivenTransactionManager() {
    return txManager2;
  }

  public static void main(String[] args) {
    SpringApplication.run(ProfiledemoApplication.class, args);
  }

}

@Component
public class DevSendMessage implements SendMessage {
  // 使用value具體指定使用哪個(gè)事務(wù)管理器
  @Transactional(value="txManager1")
  @Override
  public void send() {
    System.out.println(">>>>>>>>Dev Send()<<<<<<<<");
    send2();
  }

  @Transactional
  public void send2() {
    System.out.println(">>>>>>>>Dev Send2()<<<<<<<<");
  }
}

public enum Isolation {
  DEFAULT(TransactionDefinition.ISOLATION_DEFAULT),
  READ_UNCOMMITTED(TransactionDefinition.ISOLATION_READ_UNCOMMITTED),
  READ_COMMITTED(TransactionDefinition.ISOLATION_READ_COMMITTED),
  REPEATABLE_READ(TransactionDefinition.ISOLATION_REPEATABLE_READ),
  SERIALIZABLE(TransactionDefinition.ISOLATION_SERIALIZABLE);
  private final int value;
  Isolation(int value) { this.value = value; }
  public int value() { return this.value; }

}

@Transactional(isolation = Isolation.DEFAULT)

public enum Propagation {
  REQUIRED(TransactionDefinition.PROPAGATION_REQUIRED),
  SUPPORTS(TransactionDefinition.PROPAGATION_SUPPORTS),
  MANDATORY(TransactionDefinition.PROPAGATION_MANDATORY),
  REQUIRES_NEW(TransactionDefinition.PROPAGATION_REQUIRES_NEW),
  NOT_SUPPORTED(TransactionDefinition.PROPAGATION_NOT_SUPPORTED),
  NEVER(TransactionDefinition.PROPAGATION_NEVER),
  NESTED(TransactionDefinition.PROPAGATION_NESTED);
  private final int value;
  Propagation(int value) { this.value = value; }
  public int value() { return this.value; }
}

@Transactional(propagation = Propagation.REQUIRED)

@Override
  @Transactional
  public void insertandinsert(Staff staff) {
    staffDao.insert(staff);
    try {
      int i = 1 / 0;
    }catch (Exception e){
      e.printStackTrace();
    }
    staffDao.insert(staff);
  }

@Override
  @Transactional
  public void insertandinsert(Staff staff) throws Exception {
    try {
      staffDao.insert(staff);
      int i=1/0;
      staffDao.insert(staff);
    }catch (Exception e){
      TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
    }
  }