import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date;import org.apache.commons.lang3.StringUtils;/******************************************************************************* * <p>* Description:時(shí)間類型工具類* </p>* DateUtils.java* * @author shimingda* *****************************************************************************/ public class DateUtils {private DateUtils() {}/*** 時(shí)間轉(zhuǎn)為時(shí)間戳* * @param date* @return*/public static Long dateToStamp(Date date) {if (null == date) {return null;}return date.getTime();}/*** 時(shí)間戳轉(zhuǎn)化為時(shí)間* * @param stampToDate* @return*/public static Date stampToDate(Long stampToDate) {if (null == stampToDate || stampToDate < 1000) {return null;}return new Date(stampToDate);}/*** 獲取當(dāng)天0點(diǎn)0時(shí)0秒* * @return*/public static Date getStartTimeOfDay() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0,0, 0);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取當(dāng)天23點(diǎn)59時(shí)59秒* * @return*/public static Date getEndTimeOfDay() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 23,59, 59);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取昨天的0點(diǎn)0時(shí)0秒*/public static Date getStartTimeOfYesterday() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0,0, 0);calendar.add(Calendar.DATE, -1);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取昨天的23點(diǎn)59時(shí)59秒*/public static Date getEndTimeOfYesterday() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 23,59, 59);calendar.add(Calendar.DATE, -1);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取明天的0點(diǎn)0時(shí)0秒*/public static Date getStartTimeOfTomorrow() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0,0, 0);calendar.add(Calendar.DATE, +1);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取明天的23點(diǎn)59時(shí)59秒*/public static Date getEndTimeOfTomorrow() {Calendar calendar = Calendar.getInstance();calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 23,59, 59);calendar.add(Calendar.DATE, +1);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取本周周一* * @return*/public static Date getMondayOfThisWeek() {Calendar calendar = Calendar.getInstance();int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;if (dayOfWeek == 0)dayOfWeek = 7;calendar.add(Calendar.DATE, -dayOfWeek + 1);calendar.set(Calendar.HOUR_OF_DAY, 0);calendar.set(Calendar.MINUTE, 0);calendar.set(Calendar.SECOND, 0);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 獲取本月第一天* * @return*/public static Date getStartDayOfMonth() {Calendar calendar = Calendar.getInstance();calendar.add(Calendar.MONTH, 0);calendar.set(Calendar.DAY_OF_MONTH, 1);// 設(shè)置為1號,當(dāng)前日期既為本月第一天calendar.set(Calendar.HOUR_OF_DAY, 0);calendar.set(Calendar.MINUTE, 0);calendar.set(Calendar.SECOND, 0);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}/*** 日期-->字符* * @param date* @param format* @return*/public static String format(Date date, String format) {if (null == date) {return null;}if (StringUtils.isBlank(format)) {format = DateFormat.YYYY_MM_DD_HH_MM_SS;}SimpleDateFormat sdf = new SimpleDateFormat(format);return sdf.format(date);}public static Date getStartMonthOfYear() {Calendar calendar = Calendar.getInstance();calendar.add(Calendar.MONTH, 1);calendar.set(Calendar.DAY_OF_MONTH, 0);// 設(shè)置為1號,當(dāng)前日期既為本月第一天calendar.set(Calendar.HOUR_OF_DAY, 0);calendar.set(Calendar.MINUTE, 0);calendar.set(Calendar.SECOND, 0);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}public static Date getAYearAgo() {Calendar calendar = Calendar.getInstance();calendar.add(Calendar.MONTH, -11);calendar.set(Calendar.DAY_OF_MONTH, 0);// 設(shè)置為1號,當(dāng)前日期既為本月第一天calendar.set(Calendar.HOUR_OF_DAY, 0);calendar.set(Calendar.MINUTE, 0);calendar.set(Calendar.SECOND, 0);calendar.set(Calendar.MILLISECOND, 0);return calendar.getTime();}}

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