46 lines
1.6 KiB
XML
46 lines
1.6 KiB
XML
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<?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="example.dao.OrdersDao">
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<!-- 查询结果列 -->
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<sql id="base_columns">
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orders.id,
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orders.order_number,
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orders.status,
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orders.create_time,
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orders.updateInfo.operatorName,
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orders.updateInfo.operateTime
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<!-- 其他列... -->
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</sql>
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<!-- 分页查询 -->
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<select id="queryPage" resultType="example.domain.vo.OrderVO">
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SELECT
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<include refid="base_columns"/>
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FROM orders
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<where>
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<!-- 其他查询条件... -->
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<!-- 用户过滤条件：如果是admin则不过滤，否则只显示当前操作员的数据 -->
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AND (orders.updateInfo.operatorName=#{SESSION_USERS} or orders.updateInfo.operatorName='admin')
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</where>
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ORDER BY orders.create_time DESC
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</select>
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<!-- 另一种实现方式，使用动态SQL更灵活控制 -->
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<select id="queryPageAlt" resultType="example.domain.vo.OrderVO">
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SELECT
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<include refid="base_columns"/>
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FROM orders
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<where>
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<!-- 其他查询条件... -->
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<!-- 当前操作员为admin时不添加过滤条件，否则只显示当前操作员的数据 -->
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<if test="SESSION_USERS != 'admin'">
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AND orders.updateInfo.operatorName=#{SESSION_USERS}
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</if>
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</where>
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ORDER BY orders.create_time DESC
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</select>
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</mapper>
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