| 123456789101112131415161718192021 | <?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="org.jeecg.modules.system.mapper.SysCategoryMapper">	<select id="queryListByPid" parameterType="Object" resultType="org.jeecg.modules.system.model.TreeSelectModel">		select code,			   name as "title",			   id as "key",			   (case when has_child = '1' then 0 else 1 end) as isLeaf,			   pid as parentId			   from sys_category			where pid = #{pid}			<if test="query!= null">				<foreach collection="query.entrySet()" item="value"  index="key" >					and ${key} = #{value}				</foreach>			</if>	</select></mapper>
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