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今天讲这个事务的失效场景。简单说一下这个事务

要么都成功，要么都不成功。简单直接

技术选型

springboot+MySQL+mybatis+丝袜哥（swagger）

先看看表数据

测试类

@Test
void transactional1() {
    transactionalEnd.test1();
}

方法结构

/**
 * 功能描述：事务的失效场景
 *
 * @author Songxianyang
 * @date 2022-06-24 21:25
 */
@Service
public class TransactionalEndImpl implements TransactionalEnd {
    @Resource
    private IIntEndScaleForecastMapper iIntEndScaleForecastMapper;
    
    @Override
    @Transactional
    public void test1() {
        test2();
        test3();
        test4();
        // 模拟异常
        int i = 1 / 0;
    }
    
    @Override
    public void test2() {
        IntEndScaleForecastEntity entity = new IntEndScaleForecastEntity();
        entity.setId(UUID.randomUUID().toString());
        entity.setSubProjectName("项目1");
        iIntEndScaleForecastMapper.insertIgnoreNull(entity);
    }
    
    @Override
    public void test3() {
        IntEndScaleForecastEntity entity = new IntEndScaleForecastEntity();
        entity.setId(UUID.randomUUID().toString());
        entity.setSubProjectName("项目2");
        iIntEndScaleForecastMapper.insertIgnoreNull(entity);
    }
    
    private void test4() {
        IntEndScaleForecastEntity entity = new IntEndScaleForecastEntity();
        entity.setId(UUID.randomUUID().toString());
        entity.setSubProjectName("项目3");
        iIntEndScaleForecastMapper.insertIgnoreNull(entity);
    }
}