MyBatis不同Mapper文件引用resultMap实例代码

<resultmap type="classes" id="classesmap">
    <id property="id" column="c_id" javatype="int"/>
    <result property="name" column="c_name" javatype="string"/>
<!--  <association property="teacher" javatype="teacher" >
      <id property="id" column="t_id" javatype="int"/>
      <result property="name" column="t_name" javatype="string"/>
      <result property="age" column="t_age" javatype="int"/>
    </association> -->
    <association property="teacher" javatype="teacher" resultmap="com.lsj.test.mybatis.mapper.teachermapper.teachermap" ></association>
    <collection property="studentlist" oftype="student" resultmap="com.lsj.test.mybatis.mapper.studentmapper.studentmap" ></collection>   
  </resultmap>
  <sql id="selectallclassessql">
    select 
        c.id as c_id,c.name as c_name,teacher_id,
        t.id as t_id,t.name as t_name,t.age as t_age,
        s.id as stu_id,s.name as stu_name,s.classes_id 
    from classes c,teacher t,student s
  </sql>

 <resultmap type="teacher" id="teachermap">
    <id property="id" column="t_id" javatype="int"/>
    <result property="name" column="t_name" javatype="string"/>
    <result property="age" column="t_age" javatype="int"/> 
  </resultmap>