yusheng-android/moduleUtil/src/main/java/com/qxcm/moduleutil/utils/TimeUtils.java

package com.qxcm.moduleutil.utils;

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

public class TimeUtils {

    /**
     * 获取年
     *
     * @return
     */
    public static int getYear() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.YEAR);
    }

    /**
     * 获取月
     *
     * @return
     */
    public static int getMonth() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.MONTH) + 1;
    }

    public static String getMonths() {
        Calendar cd = Calendar.getInstance();
        int month = cd.get(Calendar.MONTH) + 1;
        if (month <= 9) {
            return "0" + month;
        } else {
            return String.valueOf(month);
        }
    }

    /**
     * 获取日
     *
     * @return
     */
    public static int getDay() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.DATE);
    }

    public static String getDays() {
        Calendar cd = Calendar.getInstance();
        int day = cd.get(Calendar.DATE);
        if (day <= 9) {
            return "0" + day;
        } else {
            return String.valueOf(day);
        }
    }

    /**
     * 获取时
     *
     * @return
     */
    public static int getHour() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.HOUR);
    }

    public static String getFormatterHour() {
        Calendar cd = Calendar.getInstance();
        int hour = cd.get(Calendar.HOUR_OF_DAY);
        if (hour < 10) {
            return "0" + hour;
        }
        return String.valueOf(hour);
    }

    /**
     * 获取时
     *
     * @return
     */
    public static int getNewHour() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.HOUR_OF_DAY);
    }

    /**
     * 获取分
     *
     * @return
     */
    public static int getMinute() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.MINUTE);
    }

    /**
     * 获取分
     *
     * @return
     */
    public static String getFormatterMinute() {
        Calendar cd = Calendar.getInstance();
        int minute = cd.get(Calendar.MINUTE);
        if (minute < 10) {
            return "0" + minute;
        }
        return String.valueOf(minute);
    }

    /**
     * 获取秒
     *
     * @return
     */
    public static int getSeconds() {
        Calendar cd = Calendar.getInstance();
        return cd.get(Calendar.SECOND);
    }

    /**
     * 获取秒
     *
     * @return
     */
    public static String getFormatterSeconds() {
        Calendar cd = Calendar.getInstance();
        int seconds = cd.get(Calendar.SECOND);
        if (seconds < 10) {
            return "0" + seconds;
        }
        return String.valueOf(seconds);
    }


    /**
     * 根据某年份、某月份获取对应的月份天数
     *
     * @param year  年份
     * @param month 月份
     * @return 月份的天数
     */
    public static int getDaysByYearMonth(int year, int month) {
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month - 1);
        calendar.set(Calendar.DATE, 1);
        calendar.roll(Calendar.DATE, -1);
        int days = calendar.get(Calendar.DATE);
        return days;
    }

    /**
     * 日期字符串例如 2015-3-10  Num:需要减少的天数例如 7
     *
     * @param day 日期字符串例如 2015-3-10
     * @param Num 需要减少的天数例如 7
     * @return
     */
    public static String getDateStr(String day, int Num) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Date nowDate = null;
        try {
            nowDate = df.parse(day);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        //如果需要向后计算日期 -改为+
        Date newDate2 = new Date(nowDate.getTime() - (long) Num * 24 * 60 * 60 * 1000);
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        String dateOk = simpleDateFormat.format(newDate2);
        return dateOk;
    }

    /*获取系统时间 格式为："yyyy/MM/dd "*/
    public static String getCurrentDate() {
        Date d = new Date();
        SimpleDateFormat sf = new SimpleDateFormat("yyyy年MM月dd日");
        return sf.format(d);
    }

    /*时间戳转换成字符窜*/
    public static String getDateToString(long time) {
        Date d = new Date(time);
        SimpleDateFormat sf = new SimpleDateFormat("yyyy年MM月dd日");
        return sf.format(d);
    }
    public static String getDateToStringNoZ(long time) {
        Date d = new Date(time);
        SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        return sf.format(d);
    }

    /*将字符串转为时间戳*/
    public static long getStringToDate(String time) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
        Date date = new Date();
        try {
            date = sdf.parse(time);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date.getTime();
    }
    //获取当前日期
    public static String getCurrentDate2() {
        Date d = new Date();
        SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
        return sf.format(d);
    }
    /**
     * 将毫秒数转换为 MM:ss 格式（如：03:45）
     */
    public static String formatDuration(long durationMs) {
        long seconds = (durationMs / 1000) % 60;
        long minutes = (durationMs / 1000 / 60) % 60;

        return String.format("%02d:%02d", minutes, seconds);
    }
}