比較有用的一個(gè)東西
?1?import?java.util.concurrent.TimeUnit;
?2?
?3?public?class?TimeUnitDemo?{
?4?????private?TimeUnit?timeUnit?=TimeUnit.DAYS;
?5?
?6?????public?static?void?main(String[]?args)?{
?7?????????TimeUnitDemo?demo?=?new?TimeUnitDemo();
?8?????????demo.outInfo();
?9?????????demo.timeUnit?=TimeUnit.HOURS;
10?????????demo.outInfo();
11?????????demo.timeUnit?=TimeUnit.MINUTES;
12?????????demo.outInfo();
13?????????demo.timeUnit?=TimeUnit.SECONDS;
14?????????demo.outInfo();
15?????}
16?
17?????public?void?outInfo()?{
18?????????System.out.println(timeUnit.name());
19?????????System.out.println(timeUnit.toDays(1));
20?????????System.out.println(timeUnit.toHours(1));
21?????????System.out.println(timeUnit.toMinutes(1));
22?????????System.out.println(timeUnit.toMicros(1));
23?????????System.out.println(timeUnit.toMillis(1));
24?????????System.out.println(timeUnit.toNanos(1));
25?????????System.out.println(timeUnit.toSeconds(1));
26?????????System.out.println("1天有"+(timeUnit.convert(1,?TimeUnit.DAYS))+timeUnit.name());
27?????????System.out.println("12小時(shí)"+(timeUnit.convert(12,?TimeUnit.HOURS))+timeUnit.name());
28?????????System.out.println("3600秒有"+(timeUnit.convert(36000,?TimeUnit.MINUTES))+timeUnit.name());
29?????????System.out.println("-------------------");
30?????}
31?}
32?
－－－－－－－－－－－－－－－－－－－－－－－－－－
DAYS
1
24
1440
86400000000
86400000
86400000000000
86400
1天有1DAYS
24小時(shí)0DAYS
3600秒有25DAYS
-------------------
HOURS
0
1
60
3600000000
3600000
3600000000000
3600
1天有24HOURS
24小時(shí)12HOURS
3600秒有600HOURS
-------------------
MINUTES
0
0
1
60000000
60000
60000000000
60
1天有1440MINUTES
24小時(shí)720MINUTES
3600秒有36000MINUTES
-------------------
SECONDS
0
0
0
1000000
1000
1000000000
1
1天有86400SECONDS
24小時(shí)43200SECONDS
3600秒有2160000SECONDS
-------------------
posted on 2007-12-21 16:53
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