Hutool格式化日期
Date2Str
示例
String dateStr = "2017-03-01";
Date date = DateUtil.parse(dateStr);
Str2Date
示例
String dateStr = "2017-03-01";
Date date = DateUtil.parse(dateStr);
//结果 2017/03/01
String format = DateUtil.format(date, "yyyy/MM/dd");
//常用格式的格式化,结果:2017-03-01
String formatDate = DateUtil.formatDate(date);
//结果:2017-03-01 00:00:00
String formatDateTime = DateUtil.formatDateTime(date);
//结果:00:00:00
String formatTime = DateUtil.formatTime(date);
获取一天的开始时间和结束时间
示例
String dateStr = "2017-03-01 22:33:23";
Date date = DateUtil.parse(dateStr);
//一天的开始,结果:2017-03-01 00:00:00
Date beginOfDay = DateUtil.beginOfDay(date);
//一天的结束,结果:2017-03-01 23:59:59
Date endOfDay = DateUtil.endOfDay(date);
日期时间差
示例
String dateStr1 = "2017-03-01 22:33:23";
Date date1 = DateUtil.parse(dateStr1);
String dateStr2 = "2017-04-01 23:33:23";
Date date2 = DateUtil.parse(dateStr2);
//相差一个月,31天
long betweenDay = DateUtil.between(date1, date2, DateUnit.DAY);
来源
Hutool网站