fengxiang
2017-12-22 8ad473d0e87886501a73cc408ebe7efbff25f373
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.moral.mapper.MonitorPointMapper" >
    <select id="getMonitorPointsByAreaName" resultType="com.moral.entity.MonitorPoint">
        SELECT
            mp.* 
        FROM
            monitor_point mp,
            area a
        <if test="cityName != null">
            ,city c 
        </if>
        WHERE
            mp.area_code = a.area_code 
            AND a.area_name = #{areaName}
        <if test="cityName != null">
            AND c.city_name = #{cityName}
            AND mp.city_code = c.city_code
        </if>
    </select>
</mapper>