android登录mysql

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

public class MySQLHelper {
    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 Connection getConnection() throws SQLException {
        return DriverManager.getConnection(URL, USER, PASSWORD);
    }

    public static void main(String[] args) {
        try (Connection conn = getConnection();
             PreparedStatement ps = conn.prepareStatement("SELECT * FROM your_table WHERE username = ? AND password = ?")) {
            ps.setString(1, "your_username");
            ps.setString(2, "your_password");
            try (ResultSet rs = ps.executeQuery()) {
                if (rs.next()) {
                    System.out.println("登录成功！");
                } else {
                    System.out.println("用户名或密码错误！");
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}