Android 智能格式化中文时间

来源：互联网发布：note3如何开4g网络编辑：程序博客网时间：2024/05/05 17:47

http://www.jianshu.com/p/c819918240b3

看着别人的应用的时间显示着“刚刚”、“2分钟之前”、“下午 2:00”是不是很羡慕？但是常常因为项目时间紧凑，没空去扣这些细节的你一定很想要一个这样的小工具啦，这里就送大家一个这样的格式化时间小工具：
https://gist.github.com/kjsolo/0a3df5ee39fb8f50daa5

import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale;/** * Created by solo on 15/4/11. */public class DateUtils {    public static String formatDateTime(Date date) {        String text;        long dateTime = date.getTime();        if (isSameDay(dateTime)) {            Calendar calendar = GregorianCalendar.getInstance();            if (inOneMinute(dateTime, calendar.getTimeInMillis())) {                return "刚刚";            } else if (inOneHour(dateTime, calendar.getTimeInMillis())) {                return String.format("%d分钟之前", Math.abs(dateTime - calendar.getTimeInMillis()) / 60000);            } else {                calendar.setTime(date);                int hourOfDay = calendar.get(Calendar.HOUR_OF_DAY);                if (hourOfDay > 17) {                    text = "晚上 hh:mm";                } else if (hourOfDay >= 0 && hourOfDay <= 6) {                    text = "凌晨 hh:mm";                } else if (hourOfDay > 11 && hourOfDay <= 17) {                    text = "下午 hh:mm";                } else {                    text = "上午 hh:mm";                }            }        } else if (isYesterday(dateTime)) {            text = "昨天 HH:mm";        } else if (isSameYear(dateTime)) {            text = "M月d日 HH:mm";        } else {            text = "yyyy-M-d HH:mm";        }        // 注意，如果使用android.text.format.DateFormat这个工具类，在API 17之前它只支持adEhkMmszy        return new SimpleDateFormat(text, Locale.CHINA).format(date);    }    private static boolean inOneMinute(long time1, long time2) {        return Math.abs(time1 - time2) < 60000;    }    private static boolean inOneHour(long time1, long time2) {        return Math.abs(time1 - time2) < 3600000;    }    private static boolean isSameDay(long time) {        long startTime = floorDay(Calendar.getInstance()).getTimeInMillis();        long endTime = ceilDay(Calendar.getInstance()).getTimeInMillis();        return time > startTime && time < endTime;    }    private static boolean isYesterday(long time) {        Calendar startCal;        startCal = floorDay(Calendar.getInstance());        startCal.add(Calendar.DAY_OF_MONTH, -1);        long startTime = startCal.getTimeInMillis();        Calendar endCal;        endCal = ceilDay(Calendar.getInstance());        endCal.add(Calendar.DAY_OF_MONTH, -1);        long endTime = endCal.getTimeInMillis();        return time > startTime && time < endTime;    }    private static boolean isSameYear(long time) {        Calendar startCal;        startCal = floorDay(Calendar.getInstance());        startCal.set(Calendar.MONTH, Calendar.JANUARY);        startCal.set(Calendar.DAY_OF_MONTH, 1);        return time >= startCal.getTimeInMillis();    }    private static Calendar floorDay(Calendar startCal) {        startCal.set(Calendar.HOUR_OF_DAY, 0);        startCal.set(Calendar.MINUTE, 0);        startCal.set(Calendar.SECOND, 0);        startCal.set(Calendar.MILLISECOND, 0);        return startCal;    }    private static Calendar ceilDay(Calendar endCal) {        endCal.set(Calendar.HOUR_OF_DAY, 23);        endCal.set(Calendar.MINUTE, 59);        endCal.set(Calendar.SECOND, 59);        endCal.set(Calendar.MILLISECOND, 999);        return endCal;    }}

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