Android时间

使用环境：

需要获取到时间转换成固定格式，将毫秒转化成时间，获取当前周几等等

使用方法：

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Created by sensyang on 2017/11/18.
 *
 * @Emial:[email protected]
 */

public class TimeUtil {

    public static TimeUtil instance;

    public static TimeUtil getInstance() {
        if (instance == null) {
            instance = new TimeUtil();
        }
        return instance;
    }

    public static String getFormatDateTime(int dateTime) {
        Date d = new Date(dateTime);
        SimpleDateFormat sdf = new SimpleDateFormat("mm:ss");
        return sdf.format(d);
    }

    public static String timeParse(long duration) {
        String time = "";
        long minute = duration / 60000;
        long seconds = duration % 60000;
        long second = Math.round((float) seconds / 1000);
        if (minute < 10) {
            time += "0";
        }
        time += minute + ":";
        if (second < 10) {
            time += "0";
        }
        time += second;
        return "00:" + time;
    }

    /**
     * 将毫秒转化成固定格式的时间
     * 时间格式: yyyy-MM-dd HH:mm:ss
     *
     * @param millisecond
     * @return
     */
    public static String getDateTimeFromMillisecond(Long millisecond) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = new Date(millisecond);
        String dateStr = simpleDateFormat.format(date);
        return dateStr;
    }

    /**
     * 将时间转化成毫秒
     * 时间格式: yyyy-MM-dd HH:mm:ss
     * @param time
     * @return
     */
    public static Long timeStrToSecond(String time) {
        try {
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Long second = format.parse(time).getTime();
            return second;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return -1L;
    }

    /**
     * 获取时间间隔
     * 因为项目里没用到，所以未曾测试真伪
     * @param millisecond
     * @return
     */
    public static String getSpaceTime(Long millisecond) {
        Calendar calendar = Calendar.getInstance();
        Long currentMillisecond = calendar.getTimeInMillis();

        //间隔秒
        Long spaceSecond = (currentMillisecond - millisecond) / 1000;

        //一分钟之内
        if (spaceSecond >= 0 && spaceSecond < 60) {
            return "片刻之前";
        }
        //一小时之内
        else if (spaceSecond / 60 > 0 && spaceSecond / 60 < 60) {
            return spaceSecond / 60 + "分钟之前";
        }
        //一天之内
        else if (spaceSecond / (60 * 60) > 0 && spaceSecond / (60 * 60) < 24) {
            return spaceSecond / (60 * 60) + "小时之前";
        }
        //3天之内
        else if (spaceSecond / (60 * 60 * 24) > 0 && spaceSecond / (60 * 60 * 24) < 3) {
            return spaceSecond / (60 * 60 * 24) + "天之前";
        } else {
            return getDateTimeFromMillisecond(millisecond);
        }
    }

    /**
     * 获取当前时间
     */
    public static String getNowTime() {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date curDate = new Date(System.currentTimeMillis());
        String str = formatter.format(curDate);
        return str;
    }

    /**
     * 将指定格式的字符串转换成时间
     *
     * @param str
     * @return
     */
    public static Long formatDate(String str) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);
        long milltimes = 0;
        try {
            milltimes = sdf.parse(str).getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return milltimes;
    }

    /**
     * 获取当前时间的毫秒值
     */
    public static Long getNowTimeLong() {
        Date dt = new Date();
        Long time = dt.getTime();
        return time;
    }

    // formatType格式为yyyy-MM-dd HH:mm:ss//yyyy年MM月dd日 HH时mm分ss秒
    // data Date类型的时间
    public static String dateToString(Date data, String formatType) {
        return new SimpleDateFormat(formatType).format(data);
    }

    /**
     * 获取今天日期， 星期几
     */
    public static String getDataString() {
        String mYear;
        String mMonth;
        String mDay;
        String mWay;
        final Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        mYear = String.valueOf(c.get(Calendar.YEAR));
        mMonth = String.valueOf(c.get(Calendar.MONTH) + 1);
        mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH));
        mWay = String.valueOf(c.get(Calendar.DAY_OF_WEEK));
        if ("1".equals(mWay)) {
            mWay = "天";
        } else if ("2".equals(mWay)) {
            mWay = "一";
        } else if ("3".equals(mWay)) {
            mWay = "二";
        } else if ("4".equals(mWay)) {
            mWay = "三";
        } else if ("5".equals(mWay)) {
            mWay = "四";
        } else if ("6".equals(mWay)) {
            mWay = "五";
        } else if ("7".equals(mWay)) {
            mWay = "六";
        }
        return mYear + "年" + mMonth + "月" + mDay + "日" + "/星期" + mWay;
    }

}