backend-practice/src/main/resources/mybatis-config.xml

<!--<?xml version="1.0" encoding="UTF-8" ?>-->
<!--<!DOCTYPE configuration-->
<!--        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"-->
<!--        "http://mybatis.org/dtd/mybatis-3-config.dtd">-->

<!--<configuration>-->

<!--    <environments default="dev">-->

<!--        <environment id="dev">-->
<!--            <transactionManager type="JDBC"/>-->
<!--            <dataSource type="POOLED">-->
<!--                <property name="driver" value="com.mysql.cj.jdbc.Driver"/>-->
<!--                <property name="url" value="jdbc:mysql://localhost:3306/practice"/>-->
<!--                <property name="username" value="root"/>-->
<!--                <property name="password" value="123456"/>-->
<!--            </dataSource>-->
<!--        </environment>-->

<!--    </environments>-->

<!--    <mappers>-->
<!--        <mapper resource="mapper/UserMapper.xml"/>-->
<!--    </mappers>-->

<!--</configuration>-->