android直连mysql

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

public class DatabaseHelper {
    private static final String URL = "jdbc:mysql://your_mysql_server:3306/your_database";
    private static final String USER = "your_username";
    private static final String PASSWORD = "your_password";

    public static void main(String[] args) {
        try (Connection connection = DriverManager.getConnection(URL, USER, PASSWORD);
             Statement statement = connection.createStatement();
             ResultSet resultSet = statement.executeQuery("SELECT * FROM users")) {

            while (resultSet.next()) {
                System.out.println("User: " + resultSet.getString("username"));
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}