<association column="STR_ID=B2,VIN=B3" property="dataList" select="selectSql"></association>
,
分割,值为当前sql中的值,键为关联sql中的参数 SELECT
s.`NAME`,
s.`LEVEL`,
s.`BUSINESS_ID` as B2, //B2 B3为需要进行关联查询的参数值
#{vin} as B3
FROM
b_ev_fleet_structure s
WHERE
s.EV_FLEET_ID = #{evFleetId}
AND s.`LEVEL` = 2
AND s.flag = 1
AND s.del_flag = 0
ORDER BY
s.ORDER_NUM
//parameterType的java.util.Map
<select id="queryByPid" parameterType="java.util.Map"
resultMap="QueryByEvFleetIdWithListResultMap">
SELECT
s.`NAME`,
s.`LEVEL`,
s.`BUSINESS_ID` as B1,
s.`BUSINESS_ID` as B2,
#{VIN} as B3 //VIN 为关联sql中的参数名
FROM
b_ev_fleet_structure s
WHERE
s.`LEVEL` = 3
AND s.`PID` = #{PID}
AND s.flag = 1
AND s.del_flag = 0
ORDER BY
s.ORDER_NUM
</select>