java获取数据库服务器时间格式

import java.sql.*;
import java.text.SimpleDateFormat;

public class DatabaseTimeExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "password";
        
        try {
            // 连接数据库
            Connection connection = DriverManager.getConnection(url, username, password);
            
            // 执行查询
            Statement statement = connection.createStatement();
            ResultSet resultSet = statement.executeQuery("SELECT NOW() AS current_time");
            
            // 获取结果
            if (resultSet.next()) {
                Timestamp timestamp = resultSet.getTimestamp("current_time");
                
                // 格式化时间
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                String formattedTime = dateFormat.format(timestamp);
                
                System.out.println("数据库服务器时间：" + formattedTime);
            }
            
            // 关闭连接
            resultSet.close();
            statement.close();
            connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}