java数据库完整代码

import java.sql.*;

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

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            String sql = "SELECT id, name FROM employees";
            try (Statement stmt = conn.createStatement();
                 ResultSet rs = stmt.executeQuery(sql)) {

                while (rs.next()) {
                    int id = rs.getInt("id");
                    String name = rs.getString("name");
                    System.out.println("ID: " + id + ", Name: " + name);
                }
            }
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }
}