寻找下一个工作日 [英] To find the next work day

问题描述

假设我在数据库中存储了一堆假期.

Let's say I have stored a bunch of holidays in my database.

我需要做的是找出下一个工作日，不包括数据库中定义的星期六和公众假期.

What I need to do is find out which is next work day excluding Saturdays and the public holidays defined in the database.

例如

比方说，今天是2月15日(星期五)，而17日和18日是公众假期(在数据库中定义为日期时间).因此，现在当我按下显示下一个工作日的按钮时，它将返回2月19日.

Let's say today is the Friday the 15th Feb and the 17th and the 18th are public holidays as defined in the database as datetime. So now when I press a button that says next work day, it should return 19th Feb.

哪种方法最有效?

推荐答案

最简单.

第1步:从数据库获取假期并将其格式化为您的格式，并将其保存在 List< String>

Step 1: Get holidays from DB and format to your format, keep it in a List<String>

第2步:创建一个添加日的方法.

Step 2: Create a method that adds day.

public static Date addDays(Date d, int days) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(d);
    cal.add(Calendar.DATE, days);
    return cal.getTime();
}

第3步:创建一种寻找假期的方法.

Step 3: Create a method to find holiday.

public boolean isBankHoliday(java.util.Date d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d);
    if((Calendar.SATURDAY == c.get(c.DAY_OF_WEEK)) || (Calendar.SUNDAY == c.get(c.DAY_OF_WEEK)) || bankHolidays.contains(dString)) {
        return (true);
    } else {
        return false;
    }
} 

第4步:获取输入日期.检查银行假期，循环直到找到工作日.

Step 4: Get your input date. Check with bank holiday, loop until you find a working day.

while (isBankHoliday(myDate)) {
    myDate = addDays(myDate, 1);
}

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