1.得到當前的時間 Ruby代碼 Calendar cal = Calendar.getInstance(); String time=formatter.format(cal.getTime ...
1.得到當前的時間 Ruby代碼 Calendar cal = Calendar.getInstance(); String time=formatter.format(cal.getTime ...
(Calendar.MONTH, -1); 負數即為減少的值 那么我們又希望在原來日期基礎上增加或減少一天,又該如何 ...
想自己寫一個日期的加減方法,但是涉及到每個月天數的判斷,如果是2月份的話,還要涉及到閏年的判斷,有些復雜,其實只要調用Date對象的setDate()函數就可以了,具體方法如下: functi ...
Date curDate = new Date();var preDate = new Date(curDate.getTime() - 24*60*60*1000); //前一天var nextDate = new Date(curDate.getTime() + 24*60*60*1000 ...
Date curDate = new Date();var preDate = new Date(curDate.getTime() - 24*60*60*1000); //前一天var nextDate = new Date(curDate.getTime() + 24*60*60*1000 ...
...
...
new Date(new Date().getTime() - 24*60*60*1000); //前一天new Date(new Date().getTime() + 24*60*60*1000); //后一天 var myDate=new Date('22021/12/30 ...