public int update(Person person) {
logger.info("update person");
PersonExample example = new PersonExample();
PersonExample.Criteria criteria = example.createCriteria();
criteria.andIdEqualTo(person.getId());
return personMapper.updateByExample(person, example);
}
public int insert(Person person) {
logger.info("add person");
personMapper.insertSelective(person);
// 为了测试事务回滚
// throw new IllegalArgumentException("roll back");
return 1;
}
public int delete(int id) {
logger.info("delete person, id is " + id);
return personMapper.deleteByPrimaryKey(id);
}