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@ -0,0 +1,40 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!-- 定义XML文档类型为MyBatis的mapper,指定了DTD的URL -->
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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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<!-- 定义了一个mapper元素,指定了namespace,这个namespace对应于Mapper接口的全路径 -->
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<mapper namespace="com.yami.shop.dao.IndexImgMapper">
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<!-- 定义了一个resultMap,用于将数据库结果集的列映射到Java对象的属性 -->
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<resultMap id="BaseResultMap" type="com.yami.shop.bean.model.IndexImg">
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<!--
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这是一个警告注释,由MyBatis Generator自动生成。
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@mbg.generated 表示这个resultMap是由MyBatis Generator工具自动生成的,警告开发者不要手动修改。
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-->
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<id column="img_id" jdbcType="BIGINT" property="imgId"/>
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<result column="img_url" jdbcType="VARCHAR" property="imgUrl"/>
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<result column="des" jdbcType="VARCHAR" property="des"/>
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<result column="title" jdbcType="VARCHAR" property="title"/>
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<result column="link" jdbcType="VARCHAR" property="link"/>
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<result column="status" jdbcType="BIT" property="status"/>
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<result column="seq" jdbcType="INTEGER" property="seq"/>
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<result column="upload_time" jdbcType="TIMESTAMP" property="uploadTime"/>
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<result column="relation" jdbcType="BIGINT" property="relation"/>
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<result column="type" jdbcType="INTEGER" property="type"/>
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</resultMap>
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<!-- 定义了一个删除操作,用于根据ID列表删除索引图片 -->
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<delete id="deleteIndexImgByIds">
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delete from tz_index_img where img_id in
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<!-- 使用foreach循环遍历ID列表,并生成IN语句中的条件 -->
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<foreach collection="ids" item="id" open="(" close=")" separator=",">
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#{id}
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</foreach>
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</delete>
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<!-- 定义了一个查询操作,用于获取状态为1的所有索引图片,并按顺序排序 -->
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<select id="listIndexImg" resultType="com.yami.shop.bean.model.IndexImg">
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SELECT *
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FROM tz_index_img
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where `status` = 1
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ORDER BY seq DESC
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</select>
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</mapper>
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