Cannot find class: com.mysql.cj.jdbc.Driver

同学你好。经测试同学的代码是没有问题的。

猜测可能是目录结构有问题：

首先保证MyBatisTstor在test\java目录下。且java是，mybatis-config.xml是在src/main/resources下，并且resources是

如果这两个有哪个不是指定的文件夹效果，说明没有被应用为应该对应的结构文件，在文件夹上右键，将其变更文件夹类型即可：

祝学习愉快~

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.imooc</groupId>
    <artifactId>mybatis</artifactId>
    <version>1.0-SNAPSHOT</version>
    <repositories>
        <repository>
            <id>aliyun</id>
            <name>aliyun</name>
            <url>https://maven.aliyun.com/repository/public</url>
        </repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.17</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

</project>

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.*;
import org.junit.Test;

import java.io.IOException;
import java.io.Reader;
import java.sql.Connection;

public class MyBatisTstor {
    @Test
    public void testSqlSessionFactory() throws IOException {
        Reader reader = Resources.getResourceAsReader("mybatis-config.xml");
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
        System.out.println("加载成功");
        SqlSession sqlSession = sqlSessionFactory.openSession();
        Connection connection = sqlSession.getConnection();
        System.out.println("连接成功");
        System.out.println(connection);
    }
}