2.4.5示例程序中事务不起作用

1.mapper

```
package com.gitee.starblues.example.plugin2.mapper;

import com.gitee.starblues.example.plugin2.entity.TestDomain;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Update;

@Mapper
public interface TestMapper {
    @Insert("insert into test_domain (name) values " +
            "(" +
            "#{name} " +
            ")")
    @Options(
            useGeneratedKeys = true,
            keyProperty = "id"
    )
   public int save(TestDomain domain);
    @Update("update test_domain set " +
            "name1=#{name}")
  public   int update(TestDomain domain);
}
```
2.service

```
package com.gitee.starblues.example.plugin2.service.impl;

import com.gitee.starblues.example.plugin2.entity.TestDomain;
import com.gitee.starblues.example.plugin2.mapper.TestMapper;
import com.gitee.starblues.example.plugin2.service.TransactionTestService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

@Service
@Transactional(rollbackFor = Exception.class)
public class TransactionTestServiceImpl implements TransactionTestService {
    @Autowired
    TestMapper testMapper;
    @Transactional(readOnly = false,propagation = Propagation.REQUIRED,rollbackFor =Exception.class)
    public TestDomain testDomain(TestDomain domain){
        testMapper.save(domain);
        domain.setName("123456789000");
        testMapper.update(domain);
        return domain;
    }
}

```
上面代码mapper中update 方法字段设置有问题，
在service方法被调用时，会报错，应该执行回滚事务，但是实际并没有执行回滚事务

StarBlues/spring-brick-example

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StarBlues/spring-brick-example .gitee-modal { width: 500px !important; }

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