MyBatis嵌套对象中的List查询

1. <resultMap id="myDept" type="com.stayreal.mybatis.Department">
   <id column="did" property="id"/>
   <result column="dept_name" property="name"/>
   <!-- collection定义关联集合类型的属性封装规则
   offType:指定集合中的元素类型
   -->
   <collection property="employees" ofType="com.stayreal.mybatis.Employee">
   <id column="eid" property="id"/>
   <result column="last_name" property="lastName"/>
   <result column="email" property="email"/>
   <result column="gender" property="gender"/>
   </collection>