@Repository
public interface PersonMapper2 {
Person getPersonById(@Param("id")Integer id);
}
<resultMap id="person" type="com.suiwei.entities.Person">
<result column="id" property="id"/>
<result column="name" property="name"/>
<result column="age" property="age"/>
</resultMap>
<select id="getPersonById" parameterType="int" resultMap="person">
select * from person where id like '%#{id}%'
</select>
老熟人啦,这么写试试呢