DateTimeUtils 日期工具类

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;

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


public class DateTimeUtils {

    // private static Logger logger = LoggerFactory.getLogger(DateTimeUtils.class);

    private static List<String> dateFormatPattern = new ArrayList<String>();

    private static SimpleDateFormat simpleDateFormat = new SimpleDateFormat();

    static {
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss.S z");
        dateFormatPattern.add("yyyy-MM-dd G HH:mm:ss.S z");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss.S 'UTC'");
        dateFormatPattern.add("yyyy-MM-dd G HH:mm:ss.S 'UTC'");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss.S z");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss.S a");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ssz");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss z");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ss 'UTC'");
        dateFormatPattern.add("yyyy-MM-dd'T'HH:mm:ss.SX");
        dateFormatPattern.add("yyyy-MM-dd'T'HH:mm:ssX");
        dateFormatPattern.add("yyyy-MM-dd'T'HH:mmX");
        dateFormatPattern.add("yyyy-MM-dd HH:mm:ssa");
        dateFormatPattern.add("yyyy/MM/dd");
        dateFormatPattern.add("yyyy/M/d");
        dateFormatPattern.add("yyyy-MM-dd");
        dateFormatPattern.add("yyyy-M-d");
        dateFormatPattern.add("yyyy/M/d");
        dateFormatPattern.add("yyyy年M月d日");
        dateFormatPattern.add("yyyy年MM月dd日");
        dateFormatPattern.add("yyyy-MM-dd'T'HH:mm:ss.SSS+0800");
    }

    // 格式：中文星期
    private final static String[] FORMAT_WEEK_CHINESE_SIMPLE = {"周日", "周一", "周二", "周三", "周四", "周五", "周六"};
    // 格式：中文星期
    private final static String[] FORMAT_WEEK_CHINESE = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
    // 格式：英文格式简写
    private final static String[] FORMAT_WEEK_ENGLISH_SIMPLE = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
    // 格式：英文全称
    private final static String[] FORMAT_WEEK_ENGLISH = {"Sun", " Mon", " Tue", " Wed", " Thu", " Fri", " Sat"};

    /**
     * 获取今日年份
     *
     * @return yyyy
     */
    public static String getCurrentYear() {
        return DateFormatUtils.format(new Date(), "yyyy");
    }

    /**
     * 获取今日月份
     *
     * @return MM
     */
    public static String getCurrentMonth() {
        return DateFormatUtils.format(new Date(), "MM");
    }

    /**
     * 获取今日日期
     *
     * @return dd
     */
    public static String getTodayDay() {
        return DateFormatUtils.format(new Date(), "dd");
    }


    /**
     * 返回年月
     *
     * @return yyyyMM
     */
    public static String getTodayChar6() {
        return DateFormatUtils.format(new Date(), "yyyyMM");
    }

    /**
     * 返回年月日
     *
     * @return yyyyMMdd
     */
    public static String getTodayChar8() {
        return DateFormatUtils.format(new Date(), "yyyyMMdd");
    }

    /**
     * 返回 年月日小时分
     *
     * @return yyyyMMddHHmm
     */
    public static String getTodayChar12() {
        return DateFormatUtils.format(new Date(), "yyyyMMddHHmm");
    }

    /**
     * 返回 年月日小时分秒
     *
     * @return yyyyMMddHHmmss
     */
    public static String getTodayChar14() {
        return DateFormatUtils.format(new Date(), "yyyyMMddHHmmss");
    }

    /**
     * 返回 年月日小时分秒 毫秒
     *
     * @return yyyyMMddHHmmssS
     */
    public static String getTodayChar17() {
        String dateString = DateFormatUtils.format(new Date(), "yyyyMMddHHmmssS");
        int length = dateString.length();

        if (length < 17) {
            String endStr = dateString.substring(14, length);
            int len = endStr.length();
            for (int i = 0; i < 3 - len; i++) {
                endStr = "0" + endStr;
            }
            dateString = dateString.substring(0, 14) + endStr;
        }
        return dateString;
    }

    /**
     * 返回本地系统当前时间戳
     *
     * @return
     */
    public static long getSysCurrentTimeMillis() {
        return System.currentTimeMillis();
    }

    /**
     * 日期格式转换
     *
     * @param timeMillis
     * @param format
     * @return
     */
    public static String convertTimeFormat(long timeMillis, String format) {
        return DateFormatUtils.format(timeMillis, format);
    }

    /**
     * 返回当前系统时间
     *
     * @return yyyy-MM-dd HH:mm:ss
     */
    public static String getSystemTime() {
        Calendar theCa = Calendar.getInstance();
        theCa.setTime(new Date());
        return DateFormatUtils.format(theCa.getTime(), "yyyy-MM-dd HH:mm:ss");
    }

    /**
     * 获取今天星期几
     *
     * @param type 默认值1:中文（周一）；2:中文（星期一）；3:英文缩写（Mon）;4:英文全称（Monday）
     * @return
     */
    public static String getWeekName(int type) {
        String strResult = " ";
        try {
            Calendar calendar = Calendar.getInstance();
            int intWeekNum = calendar.get(Calendar.DAY_OF_WEEK);
            intWeekNum = intWeekNum - 1;
            if (type == 1) {
                strResult = FORMAT_WEEK_CHINESE_SIMPLE[intWeekNum];
            } else if (type == 2) {
                strResult = FORMAT_WEEK_CHINESE[intWeekNum];
            } else if (type == 3) {
                strResult = FORMAT_WEEK_ENGLISH_SIMPLE[intWeekNum];
            } else if (type == 4) {
                strResult = FORMAT_WEEK_ENGLISH[intWeekNum];
            } else {
                strResult = FORMAT_WEEK_CHINESE_SIMPLE[intWeekNum];
            }
        } catch (Exception ex) {
            strResult = " ";
        }
        return strResult;
    }

    /**
     * 获取当前月天数
     *
     * @return
     */
    public static int getCurrentMonthDays() {
        Calendar a = Calendar.getInstance();
        a.set(Calendar.DATE, 1);// 把日期设置为当月第一天
        a.roll(Calendar.DATE, -1);// 日期回滚一天，也就是最后一天
        return a.get(Calendar.DATE);
    }

    /**
     * 判断当前时间是否在两个时间之间(区间都不包含)
     *
     * @param startTime 开始时间 （格式yyyyMMdd24HHmmss）20160229160354
     * @param endTime   结束时间（格式yyyyMMdd24HHmmss）20160229160354
     * @return
     * @Auth NZF 2016-02-29
     */
    public static boolean isBetweenTwoTimes(String startTime, String endTime) {
        //当前时间
        long nowTime = Long.parseLong(DateFormatUtils.format(new Date(), "yyyyMMddHHmmss"));
        if (StringUtils.isBlank(startTime) || StringUtils.isBlank(endTime)) {
            return false;
        }
        if (Long.parseLong(startTime) < nowTime && nowTime < Long.parseLong(endTime)) {
            return true;
        }
        return false;
    }
    /**
     * 17位格式判断当前时间是否在两个时间之间(区间都不包含)
     *
     * @param startTime 开始时间 （格式yyyyMMddHHmmssS）20160724111924116
     * @param endTime   结束时间（格式yyyyMMdd24HHmmss）20160724111924116
     * @return
     * @Auth NZF 2016-02-29
     */
    public static boolean isBetweenTwoTimes17(String startTime, String endTime) {
        //当前时间
        long nowTime = Long.parseLong(DateFormatUtils.format(new Date(), "yyyyMMddHHmmssS"));
        if (StringUtils.isBlank(startTime) || StringUtils.isBlank(endTime)) {
            return false;
        }
        if (Long.parseLong(startTime) < nowTime && nowTime < Long.parseLong(endTime)) {
            return true;
        }
        return false;
    }
    
    /*
     * 设置有效时间至次日00：05：00
	 */
    public static long getTodayExpireTime() {
        Calendar calendar = Calendar.getInstance();
        String date = DateTimeUtils.getTodayChar8();
        calendar.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4)));
        calendar.set(Calendar.MONTH, Integer.parseInt(date.substring(4, 6)) - 1);
        calendar.set(Calendar.DAY_OF_MONTH, Integer.parseInt(date.substring(6, 8)) + 1);
        calendar.set(Calendar.HOUR_OF_DAY, 00);
        calendar.set(Calendar.MINUTE, 05);
        calendar.set(Calendar.SECOND, 00);

        Calendar ccalendar = Calendar.getInstance();// 当前时间
        ccalendar.setTime(new Date());
        return calendar.getTimeInMillis() - ccalendar.getTimeInMillis();
    }

    /**
     * 失效时间至月底
     *
     * @return
     */
    public static long getMonthExpireTime() {
        Calendar calendar = Calendar.getInstance();
        String date = DateTimeUtils.getTodayChar8();
        calendar.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4)));
        calendar.set(Calendar.MONTH, Integer.parseInt(date.substring(4, 6)) - 1);
        calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);

        Calendar ccalendar = Calendar.getInstance();// 当前时间
        ccalendar.setTime(new Date());
        return calendar.getTimeInMillis() - ccalendar.getTimeInMillis();
    }

    /**
     * 永久有效(方法中实现使用1年有效时长)
     *
     * @return
     */
    public static long getOneYearExpireTime() {
        Calendar calendar = Calendar.getInstance();
        String date = DateTimeUtils.getTodayChar8();
        calendar.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4)) + 1);
        calendar.set(Calendar.MONTH, Integer.parseInt(date.substring(4, 6)) - 1);
        calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        calendar.set(Calendar.HOUR_OF_DAY, 00);
        calendar.set(Calendar.MINUTE, 00);
        calendar.set(Calendar.SECOND, 00);

        Calendar ccalendar = Calendar.getInstance();// 当前时间
        ccalendar.setTime(new Date());
        return calendar.getTimeInMillis() - ccalendar.getTimeInMillis();
    }

    public static Date formatDate(String date){
        Date result = null;
        fp : for (String formatPattern : dateFormatPattern) {
            try {
                simpleDateFormat.applyPattern(formatPattern);
                result = simpleDateFormat.parse(date);
                if (result != null) {
                    break fp;
                }
            } catch (ParseException e) {
                // e.printStackTrace();
                //logger.info(date + " format fail");
            }
        }
        return result;
    }

    

}