android 对不同日期和时间的格式方法的封装

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import android.annotation.SuppressLint;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.Locale;/** * @version 对不同日期和时间的格式方法的封装 * @类名称：DateUtil * @类描述： 关于日期和时间的管理类 * @创建人：HXF * @修改人： * @创建时间：2016-10-11 下午2:38:14 */public class DateUtil {    private static DateUtil instance;    private DateUtil() {    }    public static DateUtil getInstance() {        if (instance == null) {            synchronized (DateUtil.class) {                if (instance == null) {                    instance = new DateUtil();                }            }        }        return instance;    }    public final long ONEDAYMIL = 1000 * 60 * 60 * 24;    /**     * get special time by special rules     *     * @param time     * @return     */    @SuppressLint("SimpleDateFormat")    public String getSpecTime(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("MM-dd hh:mm");        return sdf.format(new Date(time));    }    /**     * 通过long类型的值返回当前的 星期几     *     * @param time     * @return     */    public String getWeekday(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        int week = calen.get(Calendar.DAY_OF_WEEK);        String result = "星期一";        switch (week) {            case Calendar.SUNDAY:                result = "星期日";                break;            case Calendar.MONDAY:                result = "星期一";                break;            case Calendar.TUESDAY:                result = "星期二";                break;            case Calendar.WEDNESDAY:                result = "星期三";                break;            case Calendar.THURSDAY:                result = "星期四";                break;            case Calendar.FRIDAY:                result = "星期五";                break;            case Calendar.SATURDAY:                result = "星期六";                break;            default:                result = "星期一";                break;        }        return result;    }    /**     * 判断两个时间是否属于同一天     *     * @param time1     * @param time2     * @return     */    public boolean isSameDay(long time1, long time2) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time1);        int day1 = calen.get(Calendar.DAY_OF_YEAR);        calen.setTimeInMillis(time2);        int day2 = calen.get(Calendar.DAY_OF_YEAR);        return day1 == day2;    }    /**     * 通过已知参数返回当前时间的年份     *     * @param time     * @return     */    public int getYear(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        return calen.get(Calendar.YEAR);    }    /**     * 通过已知参数返回当前时间的分月(我能识别的1,2,3...)     *     * @param time     * @return     */    public int getMonth(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        return calen.get(Calendar.MONTH) + 1;    }    /**     * 通过已知参数返回当前时间的日期（月份的）     *     * @param time     * @return     */    public int getDayOfMonth(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        return calen.get(Calendar.DAY_OF_MONTH);    }    /**     * 通过已知参数返回当前时间的日期（年份的）     *     * @param time     * @return     */    public int getDayOfYear(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        return calen.get(Calendar.DAY_OF_YEAR);    }    /**     * 通过给定的时间，返回我想要的日期形式     *     * @param time     * @return     */    public String getMyDate(long time) {        return getMonth(time) + "月/" + getDayOfMonth(time);    }    /**     * 通过给定的时间，返回我想要的日期形式     *     * @param time     * @return     */    public String getMyDateOne(long time) {        return getMonth(time) + "-" + getDayOfMonth(time);    }    /**     * 通过给定时间，返回小时和分钟的时间形式     * @param time     * @return     */    public String getHourMinute(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        String hour = calen.get(Calendar.HOUR_OF_DAY) + "";        String minute = calen.get(Calendar.MINUTE) + "";        if (minute.length() == 1) {            minute = "0" + minute;        }        return hour + ":" + minute;    }    /**     * @param time     * @return     * @描述:得到小时的时间形式     */    public String getHour(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        String hour = calen.get(Calendar.HOUR_OF_DAY) + "";        return hour;    }    /**     * @param time     * @return     * @描述:得到分钟的时间形式     */    public String getMinute(long time) {        Calendar calen = Calendar.getInstance();        calen.setTimeInMillis(time);        String minute = calen.get(Calendar.MINUTE) + "";        return minute;    }    /**     * @param time     * @return     * @描述:得到固定格式的月和日07-13     */    public String getDateTime(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");        return sdf.format(new Date(time));    }    /**     * @param time     * @return     * @描述:得到固定格式的月和日2015-07-13     */    public String getYearOrMonthOrDay(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");        return sdf.format(new Date(time));    }    /**     * @param time     * @return     * @描述:得到固定格式的分和秒10:30     */    public String getMinuteOrSeconds(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("hh:mm");        return sdf.format(new Date(time));    }    /**     * @param time     * @return     * @描述:得到固定格式的月和日     */    public String getDayOrMonthOrYear(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");        return sdf.format(new Date(time));    }    /**     * @param time     * @return     * @描述:得到固定格式的月和日     */    public String getDayOrMonthOrYear2(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("MM月dd日");        return sdf.format(new Date(time));    }    public String getDayOrMonthOrYear1(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("MM-dd HH:mm");        return sdf.format(new Date(time));    }    /**     * @param time     * @return     * @描述:得到固定格式的月和日27/01/16     */    public String getCollectionDate(long time) {        SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yy");        return sdf.format(new Date(time));    }    public String dateFormat2(Date date){        return new SimpleDateFormat("yyyy年-MM月-dd日  HH:mm:ss", Locale.getDefault()).format(date);    }    /**     * 计算long类型的时间是一天的下午还是上午     * HH是24小时制的时间     * hh是12小时制的时间     * @param time     * @return     */    public String getTimeDifference(long time){        SimpleDateFormat sdf = new SimpleDateFormat("HH");        int hour = Integer.parseInt(sdf.format(new Date(time)));        System.out.println("hour = "+hour);        if (hour<=12){            return "AM";        }else{            return "PM";        }    }    /**     * 计算long类型的时间是一天的下午还是上午     * HH是24小时制的时间     * hh是12小时制的时间     * @param time     * @return     */    public String getTimeDifferences(long time){        SimpleDateFormat sdf = new SimpleDateFormat("HH:MM");        int hour = Integer.parseInt(sdf.format(new Date(time)));        System.out.println("hour = "+hour);        if (hour<=12){            return sdf.format(new Date(time)).toString();        }else{//            System.out.println("hour2 = "+sdf.format(new Date(time)).toString());            SimpleDateFormat sdfs= new SimpleDateFormat("MM");            int month = Integer.parseInt(sdfs.format(new Date(time)));            String.valueOf(hour-12);            StringBuffer sb = new StringBuffer();            return sb.append(String.valueOf(hour-12)).append(":").append(String.valueOf(month)).toString();        }    }}
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