maven 导入mysql

<dependencies>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.27</version> <!-- 请使用最新版本 -->
    </dependency>
</dependencies>

<repositories>
    <repository>
        <id>aliyun</id>
        <name>Aliyun Maven Repository</name>
        <url>https://maven.aliyun.com/repository/public</url>
    </repository>
</repositories>

mvn dependency:tree

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class MySQLConnectionExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            System.out.println("Connected to the database!");
        } catch (SQLException e) {
            System.out.println("Failed to connect to the database.");
            e.printStackTrace();
        }
    }
}