java前幾分鐘的代碼 java時(shí)間分段

用java如何實(shí)現(xiàn) 1小時(shí)前 1分鐘前

/**

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* 顯示時(shí)間,如果與當(dāng)前時(shí)間差別小于一天,則自動用**秒(分,小時(shí))前,如果大于一天則用format規(guī)定的格式顯示

*

* @author wxy

* @param ctime

* 時(shí)間

* @param format

* 格式 格式描述:例如:yyyy-MM-dd yyyy-MM-dd HH:mm:ss

* @return

*/

public static String showTime(Date ctime, String format) {

String r = "";

if(ctime==null)return r;

if(format==null)format="yyyy-MM-dd HH:mm";

long nowtimelong = System.currentTimeMillis();

long ctimelong = ctime.getTime();

long result = Math.abs(nowtimelong - ctimelong);

if (result 60000)// 一分鐘內(nèi)

{

long seconds = result / 1000;

r = seconds + "秒鐘前";

} else if (result = 60000 result 3600000)// 一小時(shí)內(nèi)

{

long seconds = result / 60000;

r = seconds + "分鐘前";

} else if (result = 3600000 result 86400000)// 一天內(nèi)

{

long seconds = result / 3600000;

r = seconds + "小時(shí)前";

} else// 日期格式

{

r = DateTime.formatTime(ctime, format);

}

return r;

}

如何用java 獲取15分鐘以前的時(shí)間

代碼如下:

1.得到當(dāng)前的時(shí)間

Calendar cal = Calendar.getInstance();

String time=formatter.format(cal.getTime());

String strEnd=time.substring(0, 16);// 2007-10-30 09:30

2.得到前一天的時(shí)間

Calendar c = Calendar.getInstance();

c.add(Calendar.DAY_OF_MONTH, -1);

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String mDateTime=formatter.format(c.getTime());

String strStart=mDateTime.substring(0, 16);//2007-10-29 09:30

3.得到前幾天的時(shí)間

Calendar c = Calendar.getInstance();

c.add(Calendar.DAY_OF_MONTH, -5);//得到前5

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String mDateTime=formatter.format(c.getTime());

String strStart=mDateTime.substring(0, 16);//2007-10-24 09:30

4.得到當(dāng)前時(shí)間的前幾年的時(shí)間

Calendar c = Calendar.getInstance();

c.add(Calendar.YEAR, -5);//得到前5年

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String mDateTime=formatter.format(c.getTime());

String strStart=mDateTime.substring(0, 16);//2002-10-24 09:30

java8判斷幾秒前,幾分鐘前,幾天前

看下對你是否有用

public?class?RelativeDateFormat?{

private?static?final?long?ONE_MINUTE?=?60000L;

private?static?final?long?ONE_HOUR?=?3600000L;

private?static?final?long?ONE_DAY?=?86400000L;

private?static?final?long?ONE_WEEK?=?604800000L;

private?static?final?String?ONE_SECOND_AGO?=?"秒前";

private?static?final?String?ONE_MINUTE_AGO?=?"分鐘前";

private?static?final?String?ONE_HOUR_AGO?=?"小時(shí)前";

private?static?final?String?ONE_DAY_AGO?=?"天前";

private?static?final?String?ONE_MONTH_AGO?=?"月前";

private?static?final?String?ONE_YEAR_AGO?=?"年前";

public?static?void?main(String[]?args)?throws?ParseException?{

SimpleDateFormat?format?=?new?SimpleDateFormat("yyyy-MM-dd?HH:m:s");

Date?date?=?format.parse("2013-11-11?18:35:35");

System.out.println(format(date));

}

public?static?String?format(Date?date)?{

long?delta?=?new?Date().getTime()?-?date.getTime();

if?(delta??1L?*?ONE_MINUTE)?{

long?seconds?=?toSeconds(delta);

return?(seconds?=?0???1?:?seconds)?+?ONE_SECOND_AGO;

}

if?(delta??45L?*?ONE_MINUTE)?{

long?minutes?=?toMinutes(delta);

return?(minutes?=?0???1?:?minutes)?+?ONE_MINUTE_AGO;

}

if?(delta??24L?*?ONE_HOUR)?{

long?hours?=?toHours(delta);

return?(hours?=?0???1?:?hours)?+?ONE_HOUR_AGO;

}

if?(delta??48L?*?ONE_HOUR)?{

return?"昨天";

}

if?(delta??30L?*?ONE_DAY)?{

long?days?=?toDays(delta);

return?(days?=?0???1?:?days)?+?ONE_DAY_AGO;

}

if?(delta??12L?*?4L?*?ONE_WEEK)?{

long?months?=?toMonths(delta);

return?(months?=?0???1?:?months)?+?ONE_MONTH_AGO;

}?else?{

long?years?=?toYears(delta);

return?(years?=?0???1?:?years)?+?ONE_YEAR_AGO;

}

}

private?static?long?toSeconds(long?date)?{

return?date?/?1000L;

}

private?static?long?toMinutes(long?date)?{

return?toSeconds(date)?/?60L;

}

private?static?long?toHours(long?date)?{

return?toMinutes(date)?/?60L;

}

private?static?long?toDays(long?date)?{

return?toHours(date)?/?24L;

}

private?static?long?toMonths(long?date)?{

return?toDays(date)?/?30L;

}

private?static?long?toYears(long?date)?{

return?toMonths(date)?/?365L;

}

}

文章標(biāo)題:java前幾分鐘的代碼 java時(shí)間分段
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