ClassesMapper.xml:
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<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> |
TeacherMapper.xml的resultMap:
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<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> |
利用命名空間+resultMapID就可以直接引用其他Mapper文件的resultMap，其中resultMap的column在本文件中也有用，也可以對(duì)應(yīng)sql語句中的column別名。
總結(jié)
以上所述是小編給大家介紹的mybatis 不同Mapper文件引用resultMap，希望對(duì)大家有所幫助，如果大家有任何疑問請(qǐng)給我留
言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)服務(wù)器之家網(wǎng)站的支持！
原文鏈接：http://blog.csdn.net/caser_hdmi/article/details/76064542
