<?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.dsh.course.mapper.StoreMapper">
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<select id="queryProvince" resultType="map">
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select * from (
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select provinceCode as code, province as name from t_store where state = 1
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<if test="null != cityCode and '' != cityCode">
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and cityCode = #{cityCode}
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</if>
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group by provinceCode
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) as aa order by aa.code
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</select>
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<select id="queryCity" resultType="map">
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select * from (
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select cityCode as code, city as name from t_store where state = 1 and provinceCode = #{provinceCode}
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<if test="null != cityCode and '' != cityCode">
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and cityCode = #{cityCode}
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</if>
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group by cityCode
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) as aa order by aa.code
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</select>
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</mapper>
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