~~~ //返回一條記錄的map；key就是列名，值就是對應的值 <select id="selEmpMap" resultType="java.util.Map"> select * from employee where id=#{id} </select> Map<String,Employee> selEmpMap(int id); ~~~ ~~~ //多條記錄封裝一個map：Map<Integer,Employee>:鍵是這條記錄的主鍵，值是記錄封裝后的javaBean //@MapKey:告訴mybatis封裝這個map的時候使用哪個屬性作為map的key @MapKey("name") Map<String,Employee> selAllEmpByMap(String name); <select id="selAllEmpByMap" resultType="cn.li.pojo.Employee"> <bind name="p" value="'%'+name+'%'"></bind> select * from employee where name like #{p} </select> ~~~