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// 将毫秒数转换为时间格式 private String progresstime(int progress)
{
Date date = new Date(progress);
SimpleDateFormat format = new SimpleDateFormat("mm:ss");
return format.format(date);
}
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另一种方法:
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/** * 时间格式转换
*
* @param time
* @return
*/
public String toTime(int time) {
time /= 1000;
int minute = time / 60;
int hour = minute / 60;
int second = time % 60;
minute %= 60;
return String.format("%02d:%02d", minute, second);
} |
将时间转为毫秒：
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public class Cat
{ public static void main(String[] args) throws ParseException
{
String str = "201104141302";
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddhhmm");
long millionSeconds = sdf.parse(str).getTime();// 毫秒
System.out.println(millionSeconds);
}
} |
正确的判断日期间隔方法：
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public static long daysBetween(Calendar startDate, Calendar endDate)
{ Calendar date = (Calendar) startDate.clone();
long daysBetween = 0;
while (date.before(endDate))
{
date.add(Calendar.DAY_OF_MONTH, 1);
daysBetween++;
}
return daysBetween;
} |
本文转自 glblong 51CTO博客，原文链接：http://blog.51cto.com/glblong/1208435，如需转载请自行联系原作者