java访问mysql数据库代码

import java.sql.*;

public class MySQLExample {
    public static void main(String[] args) {
        // 连接数据库的相关信息
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "password";
        
        // 加载JDBC驱动
        try {
            Class.forName("com.mysql.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        // 建立数据库连接
        try (Connection connection = DriverManager.getConnection(url, username, password)) {
            // 执行SQL查询
            String sql = "SELECT * FROM employees";
            try (Statement statement = connection.createStatement();
                 ResultSet resultSet = statement.executeQuery(sql)) {
                // 处理查询结果
                while (resultSet.next()) {
                    int id = resultSet.getInt("id");
                    String name = resultSet.getString("name");
                    System.out.println("ID: " + id + ", Name: " + name);
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}