代码
package com.learning;
import java.time.DayOfWeek;
import java.time.LocalDate;
public class CalendarTest {
public static void main(String[] args){
LocalDate date = LocalDate.now();
int month = date.getMonthValue();
int today = date.getDayOfMonth();
date = date.minusDays(today - 1); // 设置本月起始日期
DayOfWeek weekday = date.getDayOfWeek();
int value = weekday.getValue(); // 1:monday ... 7 :sunday
System.out.println("Mon Tue Wed Thu Fri Sat Sun");
for(int i = 1; i < value; i++)
System.out.print(" ");
while(date.getMonthValue() == month){
System.out.printf("%3d",date.getDayOfMonth());
if(date.getDayOfMonth() == today)
System.out.print("*");
else System.out.print(" ");
date = date.plusDays(1);
if(date.getDayOfWeek().getValue() == 1)
System.out.println();
}
}
}
效果
Mon Tue Wed Thu Fri Sat Sun
1 2 3
4 5 6 7 8 9 10*
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
Process finished with exit code 0
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