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49 lines
1.9 KiB
49 lines
1.9 KiB
9 months ago
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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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.example.springboot.mapper.BookMapper">
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<select id="listByCondition" resultType="com.example.springboot.entity.Book">
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select * from book
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<where>
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<if test="name != null and name != ''">
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name like concat('%', #{ name }, '%')
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</if>
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<if test="bookNo != null and bookNo != ''">
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and book_no = #{bookNo}
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</if>
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</where>
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order by id desc
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</select>
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<insert id="save">
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insert into book(name, description, publish_date, author, publisher, category, book_no, cover, score, nums)
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values(#{name}, #{description}, #{publishDate}, #{author}, #{publisher}, #{category}, #{bookNo}, #{cover}, #{score}, #{nums})
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</insert>
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<update id="updateById">
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update book set name = #{name}, description = #{description}, publish_date = #{publishDate}, author = #{author},
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publisher = #{publisher}, category = #{category}, book_no = #{bookNo}, cover = #{cover}, score = #{score},
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nums = #{nums}, updatetime = #{updatetime} where id = #{id}
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</update>
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<update id="updateNumByNo">
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update book set nums = nums + 1 where book_no = #{bookNo}
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</update>
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<delete id="deleteById">
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delete from book where id = #{id}
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</delete>
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<select id="list" resultType="com.example.springboot.entity.Book">
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select * from book order by id desc
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</select>
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<select id="getById" resultType="com.example.springboot.entity.Book">
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select * from book where id = #{id}
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</select>
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<select id="getByNo" resultType="com.example.springboot.entity.Book">
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select * from book where book_no = #{bookNo}
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</select>
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</mapper>
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