<?xml version="1.0" encoding="UTF-8"?> 
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"  
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd"> 
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<mapper namespace="com.matrix.system.hive.dao.AreaDao"> 
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    <resultMap type="Area" id="AreaMap"> 
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            <id property="id" column="id" /> 
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            <result property="name" column="name" /> 
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            <result property="parentId" column="parent_id" /> 
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    </resultMap> 
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    <!--  插入方法   --> 
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    <insert id="insert" parameterType="Area" 
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        useGeneratedKeys="true" keyProperty="id"> 
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        INSERT INTO area ( 
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            id, 
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            name, 
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            parent_id 
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        ) 
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    VALUES ( 
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            #{id}, 
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            #{name}, 
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            #{parentId} 
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    ) 
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    </insert> 
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    <!--  根据id更新 部分更新   --> 
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    <update id="update" > 
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        UPDATE area 
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        <set> 
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                <if test="name != null and name !='' "> 
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                    name = #{name}, 
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                </if>         
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                <if test="parentId != null and parentId !='' "> 
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                    parent_id = #{parentId}, 
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                </if>         
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        </set> 
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        WHERE id=#{id}  
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    </update> 
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    <!-- 批量删除 --> 
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    <delete id="deleteByIds" parameterType="java.util.List"> 
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        delete from area where  id in 
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        <foreach collection="list" index="index" item="item" open="(" 
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            separator="," close=")"> 
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            #{item} 
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        </foreach> 
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    </delete> 
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    <!-- 根据id删除--> 
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    <delete id="deleteById" > 
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        DELETE FROM area 
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        where  id=#{id}  
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    </delete> 
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    <!-- 分页查询 --> 
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    <select id="selectInPage" resultMap="AreaMap"> 
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        select  
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            id, 
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            name, 
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            parent_id 
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        from area 
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        where 1=1 
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        <if test="record!=null"> 
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            <if test="record.id != null and record.id !='' "> 
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                and id 
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            </if> 
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            <if test="record.name != null and record.name !='' "> 
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                and name 
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            </if> 
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            <if test="record.parentId != null and record.parentId !='' "> 
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                and parent_id 
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            </if> 
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        </if> 
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        <if test="pageVo !=null"><!-- 判断pageVo对象是否为空 --> 
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            <if test="pageVo.sort !=null  and pageVo.order !=null"> 
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                order by 
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                ${pageVo.sort} ${pageVo.order} 
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            </if> 
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            <if test="pageVo.offset >=0  and pageVo.limit >0"> 
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                limit 
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                #{pageVo.offset},#{pageVo.limit} 
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            </if> 
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        </if> 
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    </select> 
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    <!-- 查询总条数 --> 
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    <select id="selectTotalRecord"    resultType="java.lang.Integer"> 
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    select count(*) 
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    from area 
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        where 1=1 
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        <if test="record!=null"> 
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            <if test="record.id != null and record.id !='' "> 
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            and id 
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            </if> 
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            <if test="record.name != null and record.name !='' "> 
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            and name 
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            </if> 
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            <if test="record.parentId != null and record.parentId !='' "> 
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            and parent_id 
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            </if> 
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        </if> 
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    </select> 
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    <!-- 根据id查询--> 
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    <select id="selectById" resultMap="AreaMap"> 
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        select  
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            id, 
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            name, 
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            parent_id 
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        from area 
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        where  id=#{id}  
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    </select>     
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    <!-- 根据parentId查询--> 
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    <select id="selectByParentId" resultMap="AreaMap"> 
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        select  
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            id, 
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            name, 
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            parent_id 
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        from area 
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        where  parent_id=#{parentId} 
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    </select>     
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    <!-- 根据对象查询--> 
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    <select id="selectByModel" resultMap="AreaMap"> 
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        select  
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            id, 
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            name, 
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            parent_id 
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        from area 
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        where 1=1 
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        <if test="record!=null"> 
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            <if test="record.id != null and record.id !='' "> 
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                and id  =#{record.id} 
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            </if> 
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            <if test="record.name != null and record.name !='' "> 
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                and name  =#{record.name} 
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            </if> 
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            <if test="record.parentId != null and record.parentId !='' "> 
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                and parent_id  =#{record.parentId} 
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            </if> 
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        </if> 
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    </select> 
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</mapper> 
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