Mybatis笔记 -- 多表关联

实体类:AntennaSystem

添加需要关联的实体

private List<ExtendedAttr> extendedAttrs;

AntennaSystemMapper.xml

配置关联实体

<collection property="deviceModelAttr" ofType="com.bonc.industry.txsp.entity.DeviceModelAttr">
    <id property="modelAttrId" column="model_attr_id"/>
    <result property="dmAttrType" column="dm_attr_type"/>
    <result property="attrValue" column="attr_value"/>
    <result property="modelId" column="model_id"/>
</collection>