backend-practice/src/main/resources/mapper/UserMapper.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="fdsgfgd">
    <select id="selectList" resultType="com.example.practice.entity.User">
        select * from user
    </select>

    <select id="selectOne" resultType="com.example.practice.entity.User">
        select * from user where id = #{id}
    </select>

    <insert id="insert">
        insert into user values (#{id}, #{nickName}, #{phoneNumber}, #{userAccount}, #{userPassword}, #{userRole}, #{money})
    </insert>

    <delete id="delete">
        delete from user where id = #{id}
    </delete>

    <update id="update">
        update user set nickName = #{nickName}, phoneNumber = #{phoneNumber}, userAccount = #{userAccount}, userPassword = #{userPassword}, userRole = #{userRole}, money = #{money} where id = #{id}
    </update>


</mapper>

        <!--SQL映射文件-->