LingandRX
8150192b1b
- 新增 Category、Collection、Comment 等实体类 - 实现笔记查询、分类、收藏、评论等功能 - 添加 Markdown 解析工具类 - 新增用户点赞和收藏功能 - 实现问题查询和统计功能
37 lines
1.2 KiB
XML
37 lines
1.2 KiB
XML
<?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="com.example.copykamanotes.mapper.NoteLikeMapper">
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<select id="findUserLikedNoteIds" resultType="integer">
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<if test="noteIds != null and noteIds.size > 0">
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SELECT note_id FROM note_like
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WHERE note_id IN
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<foreach collection="noteIds" item="noteId" open="(" separator="," close=")">
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#{noteId}
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</foreach>
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AND user_id = #{userId}
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</if>
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<if test="noteIds == null or noteIds.size == 0">
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SELECT note_id FROM note_like WHERE 1 = 0
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</if>
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</select>
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<select id="findByUserIdAndNoteId" resultType="com.example.copykamanotes.model.entity.NoteLike">
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SELECT *
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FROM note_like
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WHERE user_id = #{userId}
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AND note_id = #{noteId}
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</select>
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<insert id="insert">
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INSERT INTO note_like (user_id, note_id)
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VALUES (#{userId}, #{noteId})
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</insert>
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<delete id="delete">
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DELETE
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FROM note_like
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WHERE user_id = #{userId}
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AND note_id = #{noteId}
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</delete>
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</mapper>
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