CalendarTestMine

原创于 2013-01-25 09:49:32 发布 · 289 阅读

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本文介绍了一个使用Java实现的日历打印程序。该程序利用了Java的Calendar和GregorianCalendar类来获取并打印指定月份的日历视图。代码展示了如何设置日历的日期、获取当前日期并标记当天，并按照星期的格式打印每个月的日期。

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import java.util.Calendar;
import java.util.GregorianCalendar;

public class CalendarTestMine {
	public static void printCalendar() {
		GregorianCalendar gc = new GregorianCalendar();
		int today = gc.get(Calendar.DAY_OF_MONTH);
		int month = gc.get(Calendar.MONTH);
		System.out.println(today);
		System.out.println(month);
		gc.set(Calendar.DAY_OF_MONTH, 1);
		System.out.println("Sun Mon Tue Wed Thu Fri Sat");
		for (int i = 1; i < gc.get(Calendar.DAY_OF_WEEK); i++)
			System.out.print(" ");
		do {
			System.out.printf("%3d", gc.get(Calendar.DAY_OF_MONTH));
			// System.out.print(gc.get( Calendar.DAY_OF_MONTH ));
			if (gc.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)
				System.out.println();
			if (gc.get(Calendar.DAY_OF_MONTH) == today)
				System.out.print("*");
			else
				System.out.print(" ");
			gc.add(Calendar.DAY_OF_MONTH, 1);
		} while (gc.get(Calendar.MONTH) == month);
	}

	public static void main(String[] args) {
		CalendarTestMine.printCalendar();
	}
}