spring mybatis插入資料傳回id

主要在于service和xml

<insert id="insertSelective" parameterType="com.openform.clabso.vo.PartyUserVO" keyProperty="id" useGeneratedKeys="true" keyColumn="id">

service層

public int addPartyUser(PartyUserVO partyUserVO) {
        int result = partyUserDao.insertSelective(partyUserVO);
        if(result == 0){
            return -1;
        }
        return partyUserVO.getId();
    }