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 | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Calendar c = Calendar.getInstance(); //過(guò)去七天 c.setTime(new Date()); c.add(Calendar.DATE, - 7); Date d = c.getTime(); String day = format.format(d); System.out.println("過(guò)去七天:"+day); //過(guò)去一月 c.setTime(new Date()); c.add(Calendar.MONTH, -1); Date m = c.getTime(); String mon = format.format(m); System.out.println("過(guò)去一個(gè)月:"+mon); //過(guò)去三個(gè)月 c.setTime(new Date()); c.add(Calendar.MONTH, -3); Date m3 = c.getTime(); String mon3 = format.format(m3); System.out.println("過(guò)去三個(gè)月:"+mon3); //過(guò)去一年 c.setTime(new Date()); c.add(Calendar.YEAR, -1); Date y = c.getTime(); String year = format.format(y); System.out.println("過(guò)去一年:"+year); |
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