spzx/spzx-manager/src/main/resources/mapper/BrandMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.atguigu.spzx.manger.mapper.BrandMapper">
    <!-- 用于select查询公用抽取的列 -->
    <sql id="columns">
        id,name,logo,create_time,update_time,is_deleted
    </sql>

    <!-- 品牌添加 -->
    <insert id="save">
        insert into brand (id, name, logo, create_time, update_time, is_deleted)
        values (#{id}, #{name}, #{logo}, now(), now(), 0);
    </insert>

    <!-- 修改品牌 -->
    <update id="updateById">
        update brand
        set
        <if test="name != null and name != ''">
            name = #{name},
        </if>
        <if test="logo != null and logo != ''">
            logo = #{logo},
        </if>
        update_time = now()
        where id = #{id}
    </update>

    <!-- 根据id删除品牌 -->
    <update id="deleteById">
        update brand
        set is_deleted  = 1,
            update_time = now()
        where id = #{id}
    </update>

    <!-- 查找分页品牌 -->
    <select id="findByPage" resultType="com.atguigu.spzx.model.entity.product.Brand">
        select
        <include refid="columns"/>
        from brand
        where is_deleted = 0
        order by id desc
    </select>

    <!-- 品牌列表 -->
    <select id="findAll" resultType="com.atguigu.spzx.model.entity.product.Brand">
        select
        <include refid="columns"/>
        from brand where is_deleted = 0 order by id desc
    </select>
</mapper>