通过MapKey指定map的key值
@MapKey("id") Map<Long, UserInfo> getUserInfoMap(); @MapKey("id") Map<Long, Map<String,Object>> getUserValueMap();
map的value为java类
<resultMap id="UserResultMap" type="com.xixicat.domain.UserInfo"> <result property="id" column="id" /> <result property="username" column="username" /> <result property="sex" column="sex" /> </resultMap> <select id="getUserInfoMap" resultMap="UserResultMap"> select id,username,sex from user_info </select>
map的value为map
<select id="getUserValueMap" resultType="map" > select id,username,sex from user_info from user_info </select>
