通讯录java数据库

import java.sql.*;

public class AddressBook {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/address_book";
        String user = "root";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            String sql = "SELECT * FROM contacts";
            try (Statement stmt = conn.createStatement();
                 ResultSet rs = stmt.executeQuery(sql)) {
                while (rs.next()) {
                    String name = rs.getString("name");
                    String phone = rs.getString("phone");
                    System.out.println("Name: " + name + ", Phone: " + phone);
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}