54 lines
1.5 KiB
XML
54 lines
1.5 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
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<mapper namespace="com.bonus.material.project.mapper.RegionMapper">
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<resultMap id="RegionLabelValueMap" type="com.bonus.material.project.domain.Region">
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<result column="id" property="id"/>
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<result column="short_name" property="short_name"/>
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<result column="area_code" property="areaCode"/>
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</resultMap>
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<!-- 1. 查询所有省份 -->
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<select id="selectAllProvinces" resultMap="RegionLabelValueMap">
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SELECT
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id,
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area_code,
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name
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FROM
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sys_cnarea
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WHERE
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level = 1
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</select>
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<!-- 2. 根据省份ID查询城市 -->
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<select id="selectCitiesByProvinceId" resultMap="RegionLabelValueMap">
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SELECT
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id,
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area_code,
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name
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FROM
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sys_cnarea
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WHERE
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level = 2
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AND parent_code = #{provinceAreaCode}
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</select>
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<!-- 3. 根据城市ID查询区县 -->
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<select id="selectDistrictsByCityId" resultMap="RegionLabelValueMap">
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SELECT
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id,
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area_code,
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name
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FROM
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sys_cnarea
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WHERE
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level = 3
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AND parent_code = #{cityAreaCode}
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</select>
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<select id="getNameByCode" resultType="java.lang.String">
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select name from sys_cnarea where area_code=#{area_code}
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</select>
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</mapper> |