Demo

来源：互联网发布：数据库系统实现第三版编辑：程序博客网时间：2024/05/24 03:06

上班打开时间生成器
运行以后，输入1生成上午打卡时间（范围在8：15：00~8：30：59），输入2生成下午打卡时间（范围在18：30：00~18：40：59），输入0，再输入年份和月份，生成工作日期，即不包含周六和周末（不包含农历放假时间，因为有点复杂，没有加入此功能）。时间可以根据自己的需要修改。不是什么高级玩意儿，纯属娱乐。

package workdays;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import java.util.Scanner;public class WorkDays {    private static List<Date> getDates(int year, int month) {        List<Date> dates = new ArrayList<Date>();        Calendar cal = Calendar.getInstance();        cal.set(Calendar.YEAR, year);        cal.set(Calendar.MONTH, month - 1);        cal.set(Calendar.DATE, 1);        while (cal.get(Calendar.YEAR) == year && cal.get(Calendar.MONTH) < month) {            int day = cal.get(Calendar.DAY_OF_WEEK);            if (!(day == Calendar.SUNDAY || day == Calendar.SATURDAY)) {                dates.add((Date) cal.getTime().clone());            }            // 相当于i++            cal.add(Calendar.DATE, 1);        }        DateFormat df = new SimpleDateFormat("yyyy-MM-dd");        for (Date date : dates) {            System.out.println(df.format(date));        }        return dates;    }    public static void morning() {        String time = "";        String hour = "8";        String minute = "";        String second = "";        int sec = 0;        for (int i = 0; i < 22; i++) {            minute = String.valueOf((int) Math.floor(Math.random() * 15 + 15));            sec = (int) (Math.random() * 60);            if (sec < 10) {                second = "0" + sec;            } else {                second = String.valueOf(sec);            }            time = hour + ":" + minute + ":" + second;            System.out.println(time);        }    }    public static void afternoon() {        String time = "";        String hour = "18";        String minute = "";        String second = "";        int sec = 0;        for (int i = 0; i < 22; i++) {            minute = String.valueOf((int) Math.floor(Math.random() * 10 + 30));            sec = (int) (Math.random() * 60);            if (sec < 10) {                second = "0" + sec;            } else {                second = String.valueOf(sec);            }            time = hour + ":" + minute + ":" + second;            System.out.println(time);        }    }    public static void main(String[] args) {        Scanner sc = new Scanner(System.in);        while (true) {            String input = sc.next();            if ("0".equals(input)) {                int year = sc.nextInt();                int month = sc.nextInt();                getDates(year, month);            } else if ("1".equals(input)) {                morning();            } else if ("2".equals(input)) {                afternoon();            } else if ("over".equals(input)) {                break;            }        }    }}

0 0