java 日期递增

　　

 1     public static void main(String[] args) throws ParseException {
 2         // 方法一
 3 //        Format f = new SimpleDateFormat("yyyy-MM-dd");
 4 //
 5 //        Date today = new Date();
 6 //        System.out.println("今天是:" + f.format(today));
 7 //
 8 //        Calendar c = Calendar.getInstance();
 9 //        c.setTime(today);
10 //        c.add(Calendar.DAY_OF_MONTH, 1);// 今天+1天
11 //
12 //        Date tomorrow = c.getTime();
13 //        System.out.println("明天是:" + f.format(tomorrow));
14 
15         // 方法二
16         List<NutMap> maps = new ArrayList<NutMap>();
17         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
18         Calendar cal = Calendar.getInstance();
19         cal.setTime(new Date());
20         int sum = 3;
21         int i = 0;
22         for (int j = 0; j < sum ; j++) {
23             cal.add(cal.DATE, 1);
24             if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
25                 sum++;
26             } else {
27                 NutMap map = new NutMap();
28                 map.addv("data" + i, format.format(cal.getTime()));
29                 i++;
30                 maps.add(map);
31             }
32         }
33         System.out.println(maps);
34     }

 

posted @ 2017-06-22 18:13  26个字符的地狱  阅读(2447)  评论(0)    收藏  举报