1 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
2 Calendar c = Calendar.getInstance();
3
4 //过去七天
5 c.setTime(new Date());
6 c.add(Calendar.DATE, - 7);
7 Date d = c.getTime();
8 String day = format.format(d);
9 System.out.println("过去七天:"+day);
10
11 //过去一月
12 c.setTime(new Date());
13 c.add(Calendar.MONTH, -1);
14 Date m = c.getTime();
15 String mon = format.format(m);
16 System.out.println("过去一个月:"+mon);
17
18 //过去三个月
19 c.setTime(new Date());
20 c.add(Calendar.MONTH, -3);
21 Date m3 = c.getTime();
22 String mon3 = format.format(m3);
23 System.out.println("过去三个月:"+mon3);
24
25 //过去一年
26 c.setTime(new Date());
27 c.add(Calendar.YEAR, -1);
28 Date y = c.getTime();
29 String year = format.format(y);
30 System.out.println("过去一年:"+year);