java 时间工具类

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ackage com.lion.util;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;/** * 时间操作工具 * @author ven * */public class TimeUtil {    private static final String DATETIME = "yyyy-MM-dd HH:mm:ss";    private static final String DATE = "yyyy-MM-dd";    private static final String TIME = "HH:mm:dd";    private static final String YEAR = "yyyy";    private static final String MONTH = "MM";    private static final String DAY = "dd";    private static final String HOUR = "HH";    private static final String MINUTE = "mm";    private static final String SEC = "ss";    private static final String DATETIMECHINESE = "yyyy年MM月dd日 HH时mm分ss秒";    private static final String DATECHINESE = "yyyy年MM月dd日";    private static final String SIMPLEDATECHINESE = "MM月dd日";    /**     * 判断一个字符串日期是否过期     *     * @param dateTime     * @return (int) 过期返回1，不过期返回0     * @throws ParseException     */    public static int isOutOfDate(String dateTime) throws ParseException {        long nowTimeLong = new Date().getTime();        long ckTimeLong = new SimpleDateFormat(DATETIME).parse(dateTime)                .getTime();        if (nowTimeLong - ckTimeLong > 0) {// 过期            return 1;        }        return 0;    }    /**     * 判断是否在一个起止日期内<br/>     * 例如:2012-04-05 00:00:00~2012-04-15 00:00:00     *     * @param start_time     * @param over_time     * @return (int) 在这个时间段内返回1，不在返回0     * @throws ParseException     */    public static int isOutOfDate(String start_time, String over_time)            throws ParseException {        long nowTimeLong = new Date().getTime();        long ckStartTimeLong = new SimpleDateFormat(DATETIME).parse(start_time)                .getTime();        long ckOverTimeLong = new SimpleDateFormat(DATETIME).parse(over_time)                .getTime();        if (nowTimeLong > ckStartTimeLong && nowTimeLong < ckOverTimeLong) {            return 1;        }        return 0;    }    /**     * 判断一个自定义日期是否在一个起止日期内<br/>     * 例如:判断2012-01-05 00:00:00是否在2012-04-05 00:00:00~2012-04-15 00:00:00     *     * @param start_time     * @param over_time     * @return (int) 在这个时间段内返回1，不在返回0     * @throws ParseException     */    public static int isOutOfDate(String time, String start_time,            String over_time) throws ParseException {        long timeLong = new SimpleDateFormat(DATETIME).parse(time).getTime();        long ckStartTimeLong = new SimpleDateFormat(DATETIME).parse(start_time)                .getTime();        long ckOverTimeLong = new SimpleDateFormat(DATETIME).parse(over_time)                .getTime();        if (timeLong > ckStartTimeLong && timeLong < ckOverTimeLong) {            return 1;        }        return 0;    }    /**     * 判断是否在一个时间段内<br/>     * 例如:8:00~10:00     *     * @param time_limit_start     * @param time_limit_over     * @return (int) 1在这个时间段内，0不在这个时间段内     * @throws ParseException     */    public static int isInTime(String time_limit_start, String time_limit_over)            throws ParseException {        // 获取当前日期        String nowDate = new SimpleDateFormat(DATE).format(new Date());        return isOutOfDate(nowDate + " " + time_limit_start, nowDate + " "                + time_limit_over);    }    /**     * 判断一个自定义时间是否在一个时间段内<br/>     * 例如:判断02:00是否在08:00~10:00时间段内     *     * @param time_limit_start     * @param time_limit_over     * @return (int) 1在这个时间段内，0不在这个时间段内     * @throws ParseException     */    public static int isInTime(String time, String time_limit_start,            String time_limit_over) throws ParseException {        String nowDate = new SimpleDateFormat(DATE).format(new Date());        return isOutOfDate(nowDate + " " + time, nowDate + " "                + time_limit_start, nowDate + " " + time_limit_over);    }    /**     * 取得自定义月份后的日期，如13个月以后的时间     *     * @param monthNum     *            往后几个月     * @return 时间字符串     */    public static String crateTimeFromNowTimeByMonth(int monthNum) {        Calendar calendar = new GregorianCalendar(Integer.parseInt(getYear()),                Integer.parseInt(getMonth()) - 1, Integer.parseInt(getDay()),                Integer.parseInt(getHour()), Integer.parseInt(getMinute()),                Integer.parseInt(getSec()));        calendar.add(Calendar.MONTH, monthNum);        return new SimpleDateFormat(DATETIME).format(calendar.getTime());    }    /**     * 取得自定义天数后的日期，如13天以后的时间     *     * @param dayNum     *            往后几天     * @return 时间字符串(DateTime)     */    public static String crateTimeFromNowTimeByDay(int dayNum) {        Calendar calendar = new GregorianCalendar(Integer.parseInt(getYear()),                Integer.parseInt(getMonth()) - 1, Integer.parseInt(getDay()),                Integer.parseInt(getHour()), Integer.parseInt(getMinute()),                Integer.parseInt(getSec()));        calendar.add(Calendar.DATE, dayNum);        return new SimpleDateFormat(DATETIME).format(calendar.getTime());    }                                 /**     * 取得自定义天数后的日期，如13天以后的时间     *     * @param dayNum     *            往后几天     * @return 时间字符串(Date)     */    public static String crateTimeFromNowDayByDay(int dayNum) {        Calendar calendar = new GregorianCalendar(Integer.parseInt(getYear()),                Integer.parseInt(getMonth()) - 1, Integer.parseInt(getDay()),                Integer.parseInt(getHour()), Integer.parseInt(getMinute()),                Integer.parseInt(getSec()));        calendar.add(Calendar.DATE, dayNum);        return new SimpleDateFormat(DATE).format(calendar.getTime());    }    /**     * 取得自定义时间后再过几分钟的时间，如12:05以后5分钟的时间     *     * @param dayNum     *            往后几天     * @return 时间字符串(Date)     */    public static String crateTimeFromNowDayByTime(int timeNum) {        Calendar calendar = new GregorianCalendar(Integer.parseInt(getYear()),                Integer.parseInt(getMonth()) - 1, Integer.parseInt(getDay()),                Integer.parseInt(getHour()), Integer.parseInt(getMinute()),                Integer.parseInt(getSec()));        calendar.add(Calendar.MINUTE, timeNum);        return new SimpleDateFormat(DATETIME).format(calendar.getTime());    }    /**     * 计算两个时间间隔(精确到分钟)     *     * @param startDay     *            开始日(整型):0表示当日，1表示明日     * @param startTime     *            开始时间(24h):00:00     * @param endDay     *            结束日(整型):0表示当日，1表示明日，限制：大于等于 startDay     * @param endTime     *            结束时间(24h):23:50     * @return 格式化的日期格式：DD天HH小时mm分     */    public static String calculateIntervalTime(int startDay, String startTime,            int endDay, String endTime) {        int day = endDay - startDay;        int hour = 0;        int mm = 0;        if (day < 0) {            return null;        } else {            int sh = Integer.valueOf(startTime.split(":")[0]);            int eh = Integer.valueOf(endTime.split(":")[0]);            int sm = Integer.valueOf(startTime.split(":")[1]);            int em = Integer.valueOf(endTime.split(":")[1]);            hour = eh - sh;            if (hour > 0) {                mm = em - sm;                if (mm < 0) {                    hour--;                    mm = 60 + mm;                }            } else {                day = day - 1;                hour = 24 + hour;                mm = em - sm;                if (mm < 0) {                    hour--;                    mm = 60 + mm;                }            }        }        if (hour == 24) {            day++;            hour = 0;        }        if (day != 0) {            return day + "天" + hour + "小时" + mm + "分";        } else {            return hour + "小时" + mm + "分";        }    }    /**     * 计算两个时间差     *     * @param startTime     * @param endTime     * @return long     * @throws ParseException     */    public static long calculateIntervalTime(String startTime, String endTime)            throws ParseException {        return parseDateTime(endTime).getTime()                - parseDateTime(startTime).getTime();    }    // 字符串转换成时间    public static Date parseDateTime(String datetime) throws ParseException {        SimpleDateFormat sdf = new SimpleDateFormat(DATETIME);        return sdf.parse(datetime);    }    // 获取当前详细日期时间    public static String getDateTime() {        return new SimpleDateFormat(DATETIME).format(new Date());    }    // 转换为中文时间    public static String getChineseDateTime() {        return new SimpleDateFormat(DATETIMECHINESE).format(new Date());    }    // 转换为中文时间    public static String getChineseDate() {        return new SimpleDateFormat(DATECHINESE).format(new Date());    }    // 转换为中文时间    public static String getSimpleChineseDate() {        return new SimpleDateFormat(SIMPLEDATECHINESE).format(new Date());    }    // 转换为中文时间 如果num为-1表示前一天 1为后一天 0为当天    public static String getSimpleChineseDate(int num) {        Date d = new Date();        try {            d = parseDateTime(crateTimeFromNowTimeByDay(num));        } catch (ParseException e) {            e.printStackTrace();        }        return new SimpleDateFormat(SIMPLEDATECHINESE).format(d);    }    // 获取当前时间    public static String getTime() {        return new SimpleDateFormat(TIME).format(new Date());    }    // 获取当前年    public static String getYear() {        return new SimpleDateFormat(YEAR).format(new Date());    }    // 获取当前月    public static String getMonth() {        return new SimpleDateFormat(MONTH).format(new Date());    }    // 获取当前日    public static String getDay() {        return new SimpleDateFormat(DAY).format(new Date());    }    // 获取当前时    public static String getHour() {        return new SimpleDateFormat(HOUR).format(new Date());    }    // 获取当前分    public static String getMinute() {        return new SimpleDateFormat(MINUTE).format(new Date());    }    // 获取当前秒    public static String getSec() {        return new SimpleDateFormat(SEC).format(new Date());    }    // 获取昨天日期    public static String getYestday() {        Calendar cal = Calendar.getInstance();        cal.add(Calendar.DATE, -1);        Date d = cal.getTime();        return new SimpleDateFormat(DATETIME).format(d);// 获取昨天日期    }    public static String getMonday() {        Calendar calendar = new GregorianCalendar();        // 取得本周一        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),                calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);        calendar.setFirstDayOfWeek(Calendar.MONDAY);        calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);        return new SimpleDateFormat(DATETIME).format(calendar.getTime());// 获取昨天日期    }}
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