java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver

Posted 2022-11-22 笑虾

报错：java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver

public class jdbcTest 

    static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://localhost:3306/demo?useSSL=false&serverTimezone=UTC&characterEncoding=UTF-8";
    static final String USER = "root";
    static final String PASS = "root";
    Connection conn = null; // 数据库连接

    @Before
    public void setUp() throws Exception 
        // 注册 JDBC 驱动
        Class.forName(JDBC_DRIVER);
        // 打开数据库连接
        conn = DriverManager.getConnection(DB_URL, USER, PASS);
    

添加依赖

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.30</version>
</dependency>