java插入数据库mysql

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

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

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

        try {
            // 连接到MySQL数据库
            Connection connection = DriverManager.getConnection(url, username, password);
            
            // 插入数据的SQL语句
            String sql = "INSERT INTO mytable (column1, column2) VALUES (?, ?)";
            
            // 创建PreparedStatement对象
            PreparedStatement statement = connection.prepareStatement(sql);
            
            // 设置参数的值
            statement.setString(1, "value1");
            statement.setString(2, "value2");
            
            // 执行插入操作
            int rowsAffected = statement.executeUpdate();
            
            System.out.println(rowsAffected + " 行已插入数据库。");
            
            // 关闭连接和相关资源
            statement.close();
            connection.close();
            
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}