MicroCommunity/java110-db/src/main/resources/mapper/common/AreaServiceDaoImplMapper.xml

<?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="areaServiceDaoImpl">

    <!--查询地区数据-->
    <select id="getAreas" resultType="Map" parameterType="Map">
        select
            t.id ,
            t.area_code areaCode,
            t.area_name areaName,
            t.area_level areaLevel,
            t.parent_area_code parentAreaCode,
            t.parent_area_name parentAreaName,
            t.lon,
            t.lat,
            t.create_time createTime
        from city_area t
        where 1=1
        <if test="areaCode != null and areaCode !=''">
            and t.area_code = #{areaCode}
        </if>
        <if test="areaName != null and areaName != ''">
            and t.area_name like concat('%',#{areaName},'%')
        </if>
        <if test="areaLevel != null and areaLevel !=''">
            and t.area_level = #{areaLevel}
        </if>
        <if test="parentAreaCode != null and parentAreaCode !=''">
            and t.parent_area_code = #{parentAreaCode}
        </if>
        <if test="parentAreaName != null and parentAreaName !=''">
            and t.parent_area_name like concat('%',#{parentAreaName},'%')
        </if>
    </select>


</mapper>