Mybatis点滴

1、返回插入的行

mapper中使用 useGeneratedKeys="true" keyProperty="entity.id"

 <insert id="insert" parameterType="com.hx78.ruler.data.dao.entity.MeasureRecord" useGeneratedKeys="true" keyProperty="measureRecord.id">
        INSERT INTO
        db_ruler.t_measure_record(
        <include refid="Based_Column_List_Without_ID"/>
        )
        VALUES (
        #{measureRecord.createTime}
        )
 </insert>

service中要使用插入的entity返回，这里只返回插入的行的ID

 @Override
    public Long add(MeasureRecord measureRecord) {
        measureRecordMapper.insert(measureRecord);
        return measureRecord.getId();
    }