Java程序打印日历

来源：互联网发布：linux与网银编辑：程序博客网时间：2024/05/17 22:49
import java.text.DateFormatSymbols;import java.util.Calendar;import java.util.GregorianCalendar;import java.util.Locale;public class Test {public static void main(String[] args) {//不同地区的程序输出Locale.setDefault(Locale.CHINESE);GregorianCalendar d = new GregorianCalendar();int today = d.get(Calendar.DAY_OF_MONTH);//一月的第几天int monty = d.get(Calendar.MONTH);//几月d.set(Calendar.DAY_OF_MONTH, 1);//这个月的第一天int weekday = d.get(Calendar.DAY_OF_WEEK);//这周的第几天int firstOfweek = d.getFirstDayOfWeek();//当前地区星期的起始日 1 星期日 2星期一int indent = 0;while(weekday != firstOfweek){indent++;d.add(Calendar.DAY_OF_MONTH, -1);//前一天weekday = d.get(Calendar.DAY_OF_WEEK);//这周的第一天}String [] weekdayNames = new DateFormatSymbols().getShortWeekdays();do{System.out.printf("%4s", weekdayNames[weekday]);d.add(Calendar.DAY_OF_MONTH, 1);weekday = d.get(Calendar.DAY_OF_WEEK);}while(weekday != firstOfweek);System.out.println();//日历前的缩进for (int i = 0; i < indent; i++) {System.out.print("    ");}d.set(Calendar.DAY_OF_MONTH, 1);do{int day = d.get(Calendar.DAY_OF_MONTH);System.out.printf("%3d",day);if(day == today) System.out.print("*");else System.out.print(" ");d.add(Calendar.DAY_OF_MONTH,1);weekday = d.get(Calendar.DAY_OF_WEEK);if(weekday == firstOfweek) System.out.println();}while(d.get(Calendar.MONTH)  == monty);if(weekday == firstOfweek) System.out.println();}}
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