package com.calendar;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
public class times {
@Test
public void Tezt(){
//获取 年月日 时分秒
Calendar cc = Calendar.getInstance();
cc.setTime(new Date());
System.out.println(cc.get(Calendar.YEAR));
System.out.println(cc.get(Calendar.MONTH));
System.out.println(cc.get(Calendar.DAY_OF_MONTH));
System.out.println(cc.get(Calendar.HOUR_OF_DAY));
System.out.println(cc.get(Calendar.MINUTE));
System.out.println(cc.get(Calendar.SECOND));
//进行占位符输出 ---用于spring 定时器时间格式设置
final String cronExpressionTemplate = "%d %d %d %d %d %s %d";
Calendar c = Calendar.getInstance();
c.setTime(new Date());
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH) + 1;
int day = c.get(Calendar.DAY_OF_MONTH);
int hour = c.get(Calendar.HOUR_OF_DAY);
int min = c.get(Calendar.MINUTE);
int second = c.get(Calendar.SECOND);
String fh="?";
String a= String.format(cronExpressionTemplate, second, min, hour, day, month,fh,year);
System.out.println(a);
//比较两个时间的大小
Date datea=new Date();
Date dateb=new Date();
System.out.println(datea.getTime());
System.out.println(dateb.getTime());
}
}
Calendar 获取年月日
最新推荐文章于 2024-04-30 10:00:00 发布