mysql数据库连接代码idea

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

public class MySQLConnector {
    private static final String URL = "jdbc:mysql://localhost:3306/database_name";
    private static final String USERNAME = "username";
    private static final String PASSWORD = "password";

    public static void main(String[] args) {
        try {
            // 加载数据库驱动程序
            Class.forName("com.mysql.cj.jdbc.Driver");
            
            // 建立数据库连接
            Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);
            
            // 执行数据库操作
            // ...
            
            // 关闭数据库连接
            connection.close();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.26</version>
</dependency>