如何检查是否是星期六/星期天? [英] How to check if it's Saturday/Sunday?
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问题描述
此代码的作用是从星期一到星期五打印当前星期的日期。它工作正常,但我想问别的事:如果今天是星期六或星期日,我想要在下周显示。
What this code does is print the dates of the current week from Monday to Friday. It works fine, but I want to ask something else: If today is Saturday or Sunday I want it to show the next week. How do I do that?
这里是我的工作代码(感谢StackOverflow!):
Here's my working code so far (thanks to StackOverflow!!):
// Get calendar set to current date and time
Calendar c = Calendar.getInstance();
// Set the calendar to monday of the current week
c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
// Print dates of the current week starting on Monday to Friday
DateFormat df = new SimpleDateFormat("EEE dd/MM/yyyy");
for (int i = 0; i <= 4; i++) {
System.out.println(df.format(c.getTime()));
c.add(Calendar.DATE, 1);
}
非常感谢!我真的很感激,因为我一直在寻找解决方案的小时...
Thanks a lot! I really appreciate it as I've been searching for the solution for hours...
推荐答案
public static void main(String[] args) {
Calendar c = Calendar.getInstance();
// Set the calendar to monday of the current week
c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
// Print dates of the current week starting on Monday to Friday
DateFormat df = new SimpleDateFormat("EEE dd/MM/yyyy");
for (int i = 0; i <= 10; i++) {
System.out.println(df.format(c.getTime()));
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
if (dayOfWeek == Calendar.FRIDAY) { // If it's Friday so skip to Monday
c.add(Calendar.DATE, 3);
} else if (dayOfWeek == Calendar.SATURDAY) { // If it's Saturday skip to Monday
c.add(Calendar.DATE, 2);
} else {
c.add(Calendar.DATE, 1);
}
// As Cute as a ZuZu pet.
//c.add(Calendar.DATE, dayOfWeek > Calendar.THURSDAY ? (9 - dayOfWeek) : 1);
}
}
输出
Output
Mon 03/01/2011
Tue 04/01/2011
Wed 05/01/2011
Thu 06/01/2011
Fri 07/01/2011
Mon 10/01/2011
Tue 11/01/2011
Wed 12/01/2011
Thu 13/01/2011
Fri 14/01/2011
Mon 17/01/2011
如果你想变得可爱,你可以用
If you want to be cute you can replace the if/then/else with
c.add(Calendar.DATE, dayOfWeek > 5 ? (9 - dayOfWeek) : 1);
但我真的想要一个容易理解和可读的东西。
but I really wanted something easily understood and readable.
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