<?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="org.jeecg.modules.dnc.mapper.MenuMapper">
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<select id="findByUserId" parameterType="String" resultType="org.jeecg.modules.dnc.entity.Menu">
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select m.menu_id
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, m.perm_code
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, m.menu_name
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, m.parent_id
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, m.menu_url
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, m.icon_cls
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, m.priority
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, m.rank_level
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from sys_menu m left join sys_menu_permission p on m.menu_id=p.menu_id
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left join sys_role r on p.role_id=r.id
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left join sys_user_role u
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on u.role_id=r.role_id
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${ew.customSqlSegment}
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</select>
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<!--
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1、mybatis自动开启驼峰标识转换 menu_name 自动转为menuName
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2、实体类如果为扩展类型，需要加入id标签 标识id字段类 不然id对应的字段无法赋值
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3、多级关联语句是分开查询的 数据量大的情况下性能低下
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4、如果确定级树 可以使用级联查询一次查询 例子：
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-->
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<resultMap id="menuExtBaseResult" type="org.jeecg.modules.dnc.ext.MenuExt">
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<id column="menu_id" property="menuId" />
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<collection column="menu_id" property="childList" select="findByParentId">
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</collection>
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</resultMap>
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<resultMap id="menuExtSingleSelectResult" type="org.jeecg.modules.dnc.ext.MenuExt">
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<id column="menu_id_one" property="menuId" />
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<result column="perm_code_one" property="permCode" />
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<result column="menu_name_one" property="menuName" />
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<result column="parent_id_one" property="parentId" />
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<result column="menu_url_one" property="menuUrl" />
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<result column="icon_cls_one" property="iconCls" />
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<result column="priority_one" property="priority" />
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<result column="rank_level_one" property="rankLevel" />
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<collection property="childList" ofType="org.jeecg.modules.dnc.ext.MenuExt">
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<id column="menu_id_two" property="menuId" />
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<result column="perm_code_two" property="permCode" />
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<result column="menu_name_two" property="menuName" />
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<result column="parent_id_two" property="parentId" />
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<result column="menu_url_two" property="menuUrl" />
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<result column="icon_cls_two" property="iconCls" />
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<result column="priority_two" property="priority" />
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<result column="rank_level_two" property="rankLevel" />
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<collection property="childList" ofType="org.jeecg.modules.dnc.ext.MenuExt">
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<id column="menu_id_three" property="menuId" />
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<result column="perm_code_three" property="permCode" />
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<result column="menu_name_three" property="menuName" />
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<result column="parent_id_three" property="parentId" />
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<result column="menu_url_three" property="menuUrl" />
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<result column="icon_cls_three" property="iconCls" />
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<result column="priority_three" property="priority" />
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<result column="rank_level_three" property="rankLevel" />
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</collection>
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</collection>
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</resultMap>
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<select id="findExtAll" resultMap="menuExtBaseResult">
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select menu_id
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, perm_code
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, menu_name
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, parent_id
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, menu_url
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, icon_cls
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, priority
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, rank_level
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from sys_menu
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where rank_level=1
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</select>
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<select id="findByParentId" resultMap="menuExtBaseResult">
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select menu_id
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, perm_code
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, menu_name
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, parent_id
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, menu_url
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, icon_cls
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, priority
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, rank_level
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from sys_menu
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where parent_id=#{parentId}
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</select>
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<select id="findExtAllBySingleSelect" resultMap="menuExtSingleSelectResult">
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select am.menu_id as menu_id_one
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, am.perm_code as perm_code_one
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, am.menu_name as menu_name_one
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, am.parent_id as parent_id_one
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, am.menu_url as menu_url_one
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, am.icon_cls as icon_cls_one
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, am.priority as priority_one
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, am.rank_level as rank_level_one
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, bm.menu_id as menu_id_two
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, bm.perm_code as perm_code_two
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, bm.menu_name as menu_name_two
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, bm.parent_id as parent_id_two
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, bm.menu_url as menu_url_two
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, bm.icon_cls as icon_cls_two
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, bm.priority as priority_two
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, bm.rank_level as rank_level_two
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, cm.menu_id as menu_id_three
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, cm.perm_code as perm_code_three
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, cm.menu_name as menu_name_three
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, cm.parent_id as parent_id_three
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, cm.menu_url as menu_url_three
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, cm.icon_cls as icon_cls_three
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, cm.priority as priority_three
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, cm.rank_level as rank_level_three
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from sys_menu am
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left join (select * from sys_menu where delete_flag=0) bm
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on bm.parent_id = am.menu_id
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left join (select * from sys_menu where delete_flag=0) cm
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on cm.parent_id = bm.menu_id
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where am.rank_level=1 and am.delete_flag=0
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</select>
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</mapper>
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