实用小函数

1.把milliseconds转为hh:mm:ss

View Code

 1     public static String formatMillisecondsToString(long millisecond) {
 2         int hour = 0;
 3         int minute = 0;
 4 
 5         int second = (int) millisecond / 1000;
 6         if (second >= 60) {
 7             minute = second / 60;
 8             second = second % 60;
 9         }
10         if (minute >= 60) {
11             hour = minute / 60;
12             minute = minute % 60;
13         }
14 
15         String sHour = hour < 10 ? "0" + hour : "" + hour;
16         String sMinute = minute < 10 ? "0" + minute : "" + minute;
17         String sSecond = second < 10 ? "0" + second : "" + second;
18 
19         if (hour > 0) {
20             return sHour + ":" + sMinute + ":" + sSecond;
21         } else {
22             return sMinute + ":" + sSecond;
23         }
24     }