java用mysql注册

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

public class UserRegistration {
    private static final String DB_URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String USER = "username";
    private static final String PASS = "password";

    public static void registerUser(String username, String password) {
        String sql = "INSERT INTO users (username, password) VALUES (?, ?)";

        try (Connection conn = DriverManager.getConnection(DB_URL, USER, PASS);
             PreparedStatement pstmt = conn.prepareStatement(sql)) {

            pstmt.setString(1, username);
            pstmt.setString(2, password);

            int rowsInserted = pstmt.executeUpdate();
            if (rowsInserted > 0) {
                System.out.println("A new user was registered successfully!");
            }
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }

    public static void main(String[] args) {
        registerUser("newuser", "newpassword");
    }
}