mybatis3.0版本以上，才可以
<resultMap type="CaseVO" id="processInfoList">
<id column="TEMPLATE_ID" property="taskTemplate.templateId" />
<result column="TEMPLATE_NAME" property="taskTemplate.templateName" />
<result column="STAFF_NAME" property="dealMan" />
<result column="TASK_ORDER_ID" property="taskOrder.taskOrderId" />
<collection property="complexProps" javaType="ArrayList" column="{id=template_id,name=template_name}"
ofType="ComplexProp" select="selectPropsForProcess"></collection>
</resultMap>column="{id=template_id,name=template_name}"