java考勤系统数据库

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

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

        try (Connection conn = DriverManager.getConnection(url, username, password)) {
            String sql = "INSERT INTO attendance_records (employee_id, date, status) VALUES (?, ?, ?)";
            try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
                pstmt.setInt(1, 1001);
                pstmt.setDate(2, new java.sql.Date(System.currentTimeMillis()));
                pstmt.setString(3, "Present");
                pstmt.executeUpdate();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}