mybatis多层嵌套resultMap及返回自定义参数详解

data:[
{a:123,b:456,c:[{d:7,e:8}]}
]

<resultMap id="zhyResultMap" type="zhy的doman实体" extends="zhy自动生成的BaseResultMap">
 <collection property="c" resultMap="wl自动生成的BaseResultMap"/>
</resultMap>

<resultMap id="zhyResultMap" type="zhy的doman实体" extends="zhy自动生成的BaseResultMap">
 <collection property="c" resultMap="wl自动生成的BaseResultMap" columnPrefix="w_"/>
</resultMap>

/**
 * 比如这样实体接收中存在默认赋值
 *
 * @author zhy
 */
@EqualsAndHashCode(callSuper = true)
@Data
public class WlVo extends Wl {
 /**
 * 默认赋值false
 */
 private boolean select = false;
}

<resultMap id="wlBaseResultMap" type="com.yasugongshang.db.vo.WlVo">
 <id column="id" jdbcType="BIGINT" property="id" />
 <result column="a" jdbcType="BIGINT" property="a" />
</resultMap>
<resultMap id="zhyResultMap" type="zhy的doman实体" extends="zhy自动生成的BaseResultMap">
 <collection property="c" resultMap="wlBaseResultMap" columnPrefix="w_"/>
</resultMap>

data:[
{a:123,b:456,c:[{d:7,e:8,f:[str]}]}
]

<resultMap id="wlBaseResultMap" type="com.yasugongshang.db.vo.WlVo">
 <id column="id" jdbcType="BIGINT" property="id" />
 <result column="a" jdbcType="BIGINT" property="a" />
 <collection property="f" ofType="string">
 <id column="f" jdbcType="VARCHAR"/>
 </collection>
</resultMap>

List<Map<String,Object>> selectAll();
<select id="selectAll" resultType="Map">
 //查询语句
</select>