2021.4.15

干团队项目

用的框架是SSM，可是我学的ssm全还回去了

最近在补mybatis，但是不够

慢慢来吧，这俩玩意本质也一样

下面是改了很久才能在测试类跑成功的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.alice.mapper.ImgMapper">
    <!--增加一个Book-->
    <insert id="addImg" parameterType="ImgObject">
        insert into photo.photo(ImgId, ImgPath, ImgName, UserMail, type)
        values (#{ImgId},#{ImgPath},#{ImgName},#{UserMail},#{type})
    </insert>
    <!--根据id删除一个Book-->
    <delete id="deleteImgById" parameterType="String">
        delete from photo.photo where ImgId=#{ImgId}
    </delete>
<!--    &lt;!&ndash;更新Book&ndash;&gt;-->
<!--    <update id="updateBook" parameterType="Books">-->
<!--        update ssmbuild.books-->
<!--        set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}-->
<!--        where bookID = #{bookID}-->
<!--    </update>-->
    <!--根据id查询,返回一个Book-->
    <select id="queryImgbyId" resultType="ImgObject">
        select * from photo.photo
        where ImgId = #{ImgId}
    </select>
    <!--查询全部Book-->
    <select id="queryAllImg" resultType="ImgObject">
        SELECT * from photo.photo
    </select>
</mapper>