关于考勤打卡复杂功能逻辑实现

package com.cwk.web.servlet;

import com.cwk.pojo.Attendance;
import com.cwk.pojo.Staff;
import com.cwk.service.AttendanceService;
import com.cwk.service.impl.AttendanceServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.List;
@WebServlet("/attendance/*")
public class AttendanceServlet extends BaseServlet {
AttendanceService attendanceService = new AttendanceServiceImpl();
public void addtowork(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
resp.setCharacterEncoding("utf-8");
// 获取当前日期和时间
LocalDateTime now = LocalDateTime.now();

    // 定义日期时间格式
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    // 将当前日期和时间格式化为字符串
    String formattedNow = now.format(formatter);


    // 假设有一个特定的日期和时间字符串
    String specificDateTime = "2024-12-25 8:00:00";
    boolean flag = false;
    try {
        // 解析字符串为LocalDateTime对象
        LocalDateTime specificDateTimeObj = LocalDateTime.parse(specificDateTime, formatter);

        // 比较当前时间和特定时间
        if (now.isAfter(specificDateTimeObj)) {
            System.out.println("当前时间晚于特定时间");
            //打卡失败
            flag = false;
        } else if (now.isBefore(specificDateTimeObj)) {
            System.out.println("当前时间早于特定时间");
            //打卡成功！
            flag = true;
        } else {
            System.out.println("当前时间与特定时间相同");
            flag = true;
        }
    } catch (DateTimeParseException e) {
        System.out.println("日期时间格式错误: " + e.getMessage());
    }
    HttpSession session = req.getSession();
    Staff staff = (Staff) session.getAttribute("staff");
    String jobid = staff.getJobid();
    String name = staff.getName();
    String sex = staff.getSex();
    String birthday = staff.getBirthday();
    String atype = "上班";
    Attendance attendance = new Attendance();
    attendance.setAtime(formattedNow);
    attendance.setJobid(jobid);
    attendance.setName(name);
    attendance.setSex(sex);
    attendance.setBirthday(birthday);
    attendance.setAtype(atype);
    attendanceService.addAttendance(attendance);
    if (flag) {
        //打开成功
        req.setAttribute("Attendance_msg", "打卡成功！");

    }
    else {
        req.setAttribute("Attendance_msg", "打卡失败！");
    }
    //返回员工页面
    req.getRequestDispatcher("attendance.jsp").forward(req, resp);‘

}
public void addoutwork(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    req.setCharacterEncoding("utf-8");
    resp.setCharacterEncoding("utf-8");
    // 获取当前日期和时间
    LocalDateTime now = LocalDateTime.now();
    // 定义日期时间格式
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
    // 将当前日期和时间格式化为字符串
    String formattedNow = now.format(formatter);
    // 假设有一个特定的日期和时间字符串
    String specificDateTime = "2024-12-25 17:00:00";
    boolean flag;
    try {
        // 解析字符串为LocalDateTime对象
        LocalDateTime specificDateTimeObj = LocalDateTime.parse(specificDateTime, formatter);

        // 比较当前时间和特定时间
        if (now.isAfter(specificDateTimeObj)) {
            System.out.println("当前时间晚于特定时间");
            //打卡失败
            flag = true;
        } else if (now.isBefore(specificDateTimeObj)) {
            System.out.println("当前时间早于特定时间");
            //打卡成功！
            flag = false;
        } else {
            System.out.println("当前时间与特定时间相同");
            flag = true;
        }
    } catch (DateTimeParseException e) {
        System.out.println("日期时间格式错误: " + e.getMessage());
        flag = false;
    }
    HttpSession session = req.getSession();
    Staff staff = (Staff) session.getAttribute("staff");
    String jobid = staff.getJobid();
    String name = staff.getName();
    String sex = staff.getSex();
    String birthday = staff.getBirthday();
    String atype = "下班";
    Attendance attendance = new Attendance();
    attendance.setAtime(formattedNow);
    attendance.setJobid(jobid);
    attendance.setName(name);
    attendance.setSex(sex);
    attendance.setBirthday(birthday);
    attendance.setAtype(atype);
    attendanceService.addAttendance(attendance);
    if (flag) {
        //打开成功
        req.setAttribute("Attendance_msg", "打卡成功！");
    }
    else {
        req.setAttribute("Attendance_msg", "打卡失败！");
    }
    //返回员工页面
    req.getRequestDispatcher("attendance.jsp").forward(req, resp);‘

}
public void selectAll(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    req.setCharacterEncoding("utf-8");
    resp.setCharacterEncoding("utf-8");
    HttpSession session = req.getSession();
    Staff staff = (Staff) session.getAttribute("staff");
    String jobid = staff.getJobid();
    List<Attendance> attendances = attendanceService.selectByJobid(jobid);
    req.setAttribute("attendances", attendances);
    req.getRequestDispatcher("selectAttendance.jsp").forward(req, resp);（这里可以根据session中的staff提取其属性department进行跳转）
}

}