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@@ -0,0 +1,596 @@
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+package com.gree.mall.contest.utils;
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+
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+import java.text.DateFormat;
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+import java.text.ParseException;
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+import java.text.SimpleDateFormat;
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+import java.util.*;
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+
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+public class DateUtils {
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+
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+
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+ public static Date parseDate(String date) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ return sdf.parse(date);
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+ }
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+ public static Date parseDate1(String date) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ return sdf.parse(date);
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+ }
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+
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+ public static Date parseDate3(String date) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
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+ return sdf.parse(date);
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+ }
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+
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+ public static Date parseDate2(String date) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
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+ return sdf.parse(date);
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+ }
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+
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+ public static String formatDate(Date date) {
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+ try {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ return sdf.format(date);
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+ }catch(Exception e){
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+ return "";
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+ }
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+ }
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+
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+ public static String formatDate1(Date date) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ return sdf.format(date);
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+ }
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+
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+ public static String formatDateHm(Date date) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
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+ return sdf.format(date);
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+ }
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+
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+ public static String formatDateByCl(Date date) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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+ return sdf.format(date);
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+ }
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+
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+ public static String formatDate2(Date date) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");
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+ return sdf.format(date);
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+ }
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+
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+ public static String formatDate3(Date date) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
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+ return sdf.format(date);
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+ }
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+
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+ /*
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+ * 获取当前时间天数
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+ * */
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+ public static Date getTimeByDay(Integer day) {
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+ Calendar c = Calendar.getInstance();
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+ c.add(Calendar.DATE, day);
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+ c.set(Calendar.HOUR_OF_DAY, 23);
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+ c.set(Calendar.MINUTE, 59);
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+ c.set(Calendar.SECOND, 59);
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+ c.set(Calendar.MILLISECOND, 0);
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+ return c.getTime();
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+ }
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+
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+ /*
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+ * 获取当前时间天数
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+ * */
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+ public static Date getTimeByMin(Date dt,Integer min) {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ Calendar rightNow = Calendar.getInstance();
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+ rightNow.setTime(dt);
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+ rightNow.add(Calendar.MINUTE, min);
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+ Date dt1 = rightNow.getTime();
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+ return dt1;
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+ }
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+
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+ public static String getTimeByMonth(Date dt,Integer month) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ Calendar rightNow = Calendar.getInstance();
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+ rightNow.setTime(dt);
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+ rightNow.add(Calendar.MONTH, month);
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+ Date dt1 = rightNow.getTime();
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+ String reStr = sdf.format(dt1);
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+ return reStr;
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+ }
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+
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+ /**
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+ * 获取本月第一天的开始时间
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+ */
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+ public static Date getStartMonth() {
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+ SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ Calendar calendar = Calendar.getInstance();
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+ Date theDate = calendar.getTime();
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+ GregorianCalendar gcLast = (GregorianCalendar) Calendar.getInstance();
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+ gcLast.setTime(theDate);
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+ //设置为第一天
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+ gcLast.set(Calendar.DAY_OF_MONTH, 1);
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+ gcLast.set(Calendar.HOUR_OF_DAY, 0);
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+ gcLast.set(Calendar.MINUTE, 0);
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+ gcLast.set(Calendar.SECOND, 0);
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+ gcLast.set(Calendar.MILLISECOND, 0);
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+ // String day_first=sf.format(gcLast.getTime());
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+ //打印本月第一天
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+ // System.out.println(day_first);
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+ return gcLast.getTime();
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+ }
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+
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+ /**
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+ * 获取本月的最后一天的结束时间
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+ */
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+
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+ public static Date getEndMonth() {
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+ SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
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+ calendar.set(Calendar.HOUR_OF_DAY, 23);
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+ calendar.set(Calendar.MINUTE, 59);
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+ calendar.set(Calendar.SECOND, 59);
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+ calendar.set(Calendar.MILLISECOND, 999);
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+ return calendar.getTime();
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+ }
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+
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+ /**
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+ * 获取当前的开始时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getStartTime() {
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+ Calendar todayStart = Calendar.getInstance();
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+ todayStart.set(Calendar.HOUR_OF_DAY, 0);
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+ todayStart.set(Calendar.MINUTE, 0);
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+ todayStart.set(Calendar.SECOND, 0);
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+ todayStart.set(Calendar.MILLISECOND, 0);
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+ return todayStart.getTime();
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+ }
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+
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+ public static Date getStartTimeByDay(int day) {
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+ Calendar todayStart = Calendar.getInstance();
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+ todayStart.add(Calendar.DAY_OF_MONTH,day);
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+ todayStart.set(Calendar.HOUR_OF_DAY, 0);
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+ todayStart.set(Calendar.MINUTE, 0);
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+ todayStart.set(Calendar.SECOND, 0);
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+ todayStart.set(Calendar.MILLISECOND, 0);
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+ return todayStart.getTime();
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+ }
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+
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+ /**
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+ * 获取当前的结束时间
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+ *
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+ * @return
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+ */
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+ public static Date getEndTime() {
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+ Calendar todayEnd = Calendar.getInstance();
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+ todayEnd.set(Calendar.HOUR_OF_DAY, 23);
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+ todayEnd.set(Calendar.MINUTE, 59);
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+ todayEnd.set(Calendar.SECOND, 59);
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+ todayEnd.set(Calendar.MILLISECOND, 999);
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+ return todayEnd.getTime();
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+ }
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+
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+ public static Date getEndTimeByDay(int num) {
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+ Calendar todayEnd = Calendar.getInstance();
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+ todayEnd.add(Calendar.DAY_OF_MONTH,num);
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+ todayEnd.set(Calendar.HOUR_OF_DAY, 23);
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+ todayEnd.set(Calendar.MINUTE, 59);
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+ todayEnd.set(Calendar.SECOND, 59);
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+ todayEnd.set(Calendar.MILLISECOND, 999);
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+ return todayEnd.getTime();
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+ }
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+
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+ /**
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+ * 获取昨天的开始时间
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+ *
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+ * @return
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+ */
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+ public static Date getBeginDayOfYesterday() {
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+ Calendar cal = new GregorianCalendar();
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+ cal.setTime(getStartTime());
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+ cal.add(Calendar.DAY_OF_MONTH, -1);
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+ return cal.getTime();
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+ }
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+
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+ /**
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+ * 获取昨天的结束时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getEndDayOfYesterDay() {
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+ Calendar cal = new GregorianCalendar();
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+ cal.setTime(getEndTime());
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+ cal.add(Calendar.DAY_OF_MONTH, -1);
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+ return cal.getTime();
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+ }
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+
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+
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+ /**
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+ * 日期转周几
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+ *
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+ * @param datetime
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+ * @return
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+ */
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+ public static String dateToWeek(String datetime) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+
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+ Date parse = sdf.parse(datetime);
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+
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+ return dateToWeek(parse);
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+ }
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+
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+ /**
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+ * 日期转周几
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+ *
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+ * @param datetime
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+ * @return
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+ */
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+ public static int dateToWeek1(String datetime) throws ParseException {
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+
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+ Date parse = sdf.parse(datetime);
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+
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+ return dateToWeek1(parse);
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+ }
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+
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+ /**
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+ * 日期转周几
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+ *
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+ * @param datetime
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+ * @return
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+ */
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+ public static String dateToWeek(Date datetime) {
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+ String[] weekDays = {"周日", "周一", "周二", "周三", "周四", "周五", "周六"};
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+ Calendar cal = Calendar.getInstance(); // 获得一个日历
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+
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+ cal.setTime(datetime);
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+
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+ int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。
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+ if (w < 0)
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+ w = 0;
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+ return weekDays[w];
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+ }
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+
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+ /**
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+ * 日期转周几
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+ *
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+ * @param datetime
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+ * @return
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+ */
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+ public static int dateToWeek1(Date datetime) {
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+ Calendar cal = Calendar.getInstance(); // 获得一个日历
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+
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+ cal.setTime(datetime);
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+
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+ int w = cal.get(Calendar.DAY_OF_WEEK); // 指示一个星期中的某天。
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+ if (w < 0)
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+ w = 0;
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+ return w;
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+ }
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+
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+ /**
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+ * 获取前5分钟的时间
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+ * @return
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+ */
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+ public static Date getBefore5Minute(){
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+ Calendar beforeTime = Calendar.getInstance();
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+ beforeTime.add(Calendar.MINUTE, -5);// 5分钟之前的时间
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+ Date beforeD = beforeTime.getTime();
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+ return beforeD;
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+ }
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+
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+
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+
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+ /**
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+ * 获取前一小时的开始时间
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+ */
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+
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+ public static Date getStartHour() {
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+
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+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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+ String date = format.format(new Date());
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+ Calendar c = Calendar.getInstance();
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+ String hour = String.valueOf(c.get(Calendar.HOUR_OF_DAY) - 1);
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+ String startTime = date + " " + hour + ":00:00";
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ Date data = null;
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+ try {
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+ data = sdf.parse(startTime);
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+ } catch (ParseException e) {
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+ e.printStackTrace();
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+ }
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+ return data;
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+ }
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+
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+ /**
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+ * 获取前一小时的结束时间
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+ */
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+
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+ public static Date getEndHour() {
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+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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+ String date = format.format(new Date());
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+ Calendar c = Calendar.getInstance();
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+ String hour = String.valueOf(c.get(Calendar.HOUR_OF_DAY) - 1);
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+ String endTime = date + " " + hour + ":59:59";
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ Date data = null;
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+ try {
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+ data = sdf.parse(endTime);
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+ } catch (ParseException e) {
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+ e.printStackTrace();
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+ }
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+ return data;
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+ }
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+
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+ /**
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+ * 获取上个月的开始时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getStartLastMonth() {
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+ Calendar c = Calendar.getInstance();
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+ c.set(Calendar.MONTH, c.get(Calendar.MONTH) - 1);
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+ c.set(Calendar.DAY_OF_MONTH, 1);
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+ c.set(Calendar.HOUR_OF_DAY, 0);
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+ c.set(Calendar.MINUTE, 0);
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+ c.set(Calendar.SECOND, 0);
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+ c.set(Calendar.MILLISECOND, 0);
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+ return c.getTime();
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+ }
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+
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+ /**
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+ * 获取上个月的结束时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getEndLastMonth() {
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.add(Calendar.MONTH, -1);
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+ calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE));
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+ calendar.set(Calendar.HOUR_OF_DAY, 23);
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+ calendar.set(Calendar.MINUTE, 59);
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+ calendar.set(Calendar.SECOND, 59);
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+ calendar.set(Calendar.MILLISECOND, 999);
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+ return calendar.getTime();
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+ }
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+
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+ /**
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+ * 获取近七天的开始时间
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+ */
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+
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+ public static Date geStartSevenDays() {
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+
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+ // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ Calendar c = Calendar.getInstance();
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+ c.add(Calendar.DATE, -7);
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+ c.set(Calendar.HOUR_OF_DAY, 0);
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+ c.set(Calendar.MINUTE, 0);
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+ c.set(Calendar.SECOND, 0);
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+ c.set(Calendar.MILLISECOND, 0);
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+ // Date monday = c.getTime();
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+ // String preMonday = sdf.format(monday);
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+ return c.getTime();
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+ }
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+
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+ /**
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+ * 获取近七天的结束时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getEndSevenDays() {
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+ Calendar cal = new GregorianCalendar();
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+ cal.setTime(getEndTime());
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+ cal.add(Calendar.DAY_OF_MONTH, -1);
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+ return cal.getTime();
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+ }
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+
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+ /**
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+ * 获取每个月的天数
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+ */
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+ public static int getDaysOfMonth(Date date) {
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTime(date);
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+ return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
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+ }
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+
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+ /**
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+ * 获取前天开始时间
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+ *
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+ * @return
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+ */
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+ public static Date getStartTakeDay() {
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+ Calendar cal = new GregorianCalendar();
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+ cal.setTime(getBeginDayOfYesterday());
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+ cal.add(Calendar.DAY_OF_MONTH, -1);
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+ return cal.getTime();
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+ }
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+
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+ /**
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+ * 获取前天结束时间
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+ *
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+ * @return
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+ */
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+
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+ public static Date getEndTakeDay() {
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+ Calendar cal = new GregorianCalendar();
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+ cal.setTime(getEndDayOfYesterDay());
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+ cal.add(Calendar.DAY_OF_MONTH, -1);
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+ return cal.getTime();
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+ }
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|
|
+
|
|
|
+ /**
|
|
|
+ * 根据身份编号获取年龄
|
|
|
+ *
|
|
|
+ * @param birthDay yyyy-MM-dd
|
|
|
+ * @return 年龄
|
|
|
+ */
|
|
|
+ public static int getAgeByDate(String birthDay) {
|
|
|
+ String year = birthDay.substring(0, 4);
|
|
|
+ Calendar cal = Calendar.getInstance();
|
|
|
+ int iCurrYear = cal.get(Calendar.YEAR);
|
|
|
+ int iAge = iCurrYear - Integer.valueOf(year);
|
|
|
+ return iAge;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 当前日期加上天数后的日期
|
|
|
+ *
|
|
|
+ * @param num 为增加的天数
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static String DateAddDay(int num) {
|
|
|
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|
|
+ Calendar ca = Calendar.getInstance();
|
|
|
+ // num为增加的天数，可以改变的
|
|
|
+ ca.add(Calendar.DATE, num);
|
|
|
+ Date d = ca.getTime();
|
|
|
+ String enddate = format.format(d);
|
|
|
+ return enddate;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ 判读时间差距，两个时间相差多少天，时，分，秒
|
|
|
+ */
|
|
|
+ public static Long getDay(String date) {
|
|
|
+ DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|
|
+ Long days = null;
|
|
|
+ try {
|
|
|
+ Date currentTime = dateFormat.parse(dateFormat.format(new Date()));//现在系统当前时间
|
|
|
+ Date pastTime = dateFormat.parse(date);//过去时间
|
|
|
+ long diff = currentTime.getTime() - pastTime.getTime();
|
|
|
+ days = diff / (1000 * 60 * 60 * 24);
|
|
|
+ } catch (ParseException e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ }
|
|
|
+ return days;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 通过时间秒毫秒数判断两个时间的间隔
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static int differentDaysByMillisecond(String date2) throws ParseException {
|
|
|
+ date2 = date2+" 00:00:00";
|
|
|
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|
|
+ SimpleDateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
|
|
|
+ Date newDate = new Date();
|
|
|
+ String date1 = format1.format(newDate)+" 00:00:00";
|
|
|
+ int days = (int) ((format.parse(date2).getTime() - format.parse(date1).getTime()) / (1000*3600*24));
|
|
|
+ return days;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 计算时间
|
|
|
+ * @param startTime ： 开始时间
|
|
|
+ * @param endTime ： 结束时间
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static int DateSubOfDay(Date startTime,Date endTime) {
|
|
|
+
|
|
|
+ Long l = 0L;
|
|
|
+
|
|
|
+ long ts = startTime.getTime();
|
|
|
+ long ts1 = endTime.getTime();
|
|
|
+
|
|
|
+ l = (ts - ts1) / (1000 * 60 * 60 * 24);
|
|
|
+
|
|
|
+ return l.intValue();
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 计算 时间 + 几天 或者 - 几天
|
|
|
+ * @param date
|
|
|
+ * @param dayNum
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static Date getTimeByDay(Date date,int dayNum) {
|
|
|
+ Calendar calendar = Calendar.getInstance();
|
|
|
+ calendar.setTime(date);
|
|
|
+ calendar.add(Calendar.DAY_OF_MONTH, dayNum);
|
|
|
+ date = calendar.getTime();
|
|
|
+ return date;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 计算 时间 + 几年 或者 - 几年
|
|
|
+ * @param date
|
|
|
+ * @param year
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static Date getTimeByYear(Date date,int year) {
|
|
|
+ Calendar calendar = Calendar.getInstance();
|
|
|
+ calendar.setTime(date);
|
|
|
+ calendar.add(Calendar.YEAR, year);//+1今天的时间加一天
|
|
|
+ date = calendar.getTime();
|
|
|
+ return date;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 返回今天是周几,星期天等于1,星期一等于2.....星期六等于7
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static int getWeekDay(){
|
|
|
+ Calendar calendar = Calendar.getInstance();
|
|
|
+ int day = calendar.get(Calendar.DAY_OF_WEEK);
|
|
|
+ return day;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取两个时间中的每一天,不包括结束时间
|
|
|
+ * @param bigtimeStr 开始时间 yyyy-MM-dd
|
|
|
+ * @param endTimeStr 结束时间 yyyy-MM-dd
|
|
|
+ * @return
|
|
|
+ * @throws ParseException
|
|
|
+ */
|
|
|
+ public static List<String> getFormatDays(String bigtimeStr, String endTimeStr) throws ParseException {
|
|
|
+ Date bigtime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(bigtimeStr + " 00:00:00");
|
|
|
+ Date endtime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(endTimeStr + " 00:00:00");
|
|
|
+ //定义一个接受时间的集合
|
|
|
+ List<Date> lDate = new ArrayList<>();
|
|
|
+ lDate.add(bigtime);
|
|
|
+ Calendar calBegin = Calendar.getInstance();
|
|
|
+ // 使用给定的 Date 设置此 Calendar 的时间
|
|
|
+ calBegin.setTime(bigtime);
|
|
|
+ Calendar calEnd = Calendar.getInstance();
|
|
|
+ // 使用给定的 Date 设置此 Calendar 的时间
|
|
|
+ calEnd.setTime(endtime);
|
|
|
+ // 测试此日期是否在指定日期之后
|
|
|
+ while (endtime.after(calBegin.getTime())) {
|
|
|
+ // 根据日历的规则，为给定的日历字段添加或减去指定的时间量
|
|
|
+ calBegin.add(Calendar.DAY_OF_MONTH, 1);
|
|
|
+ lDate.add(calBegin.getTime());
|
|
|
+ }
|
|
|
+ List<String> datas = new LinkedList<>();
|
|
|
+ for (Date date : lDate) {
|
|
|
+ datas.add(new SimpleDateFormat("yyyy-MM-dd").format(date));
|
|
|
+ }
|
|
|
+ datas.remove(datas.size()-1);
|
|
|
+ return datas;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取当前日期的前后几天 +1day -1day
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static Date getCurDateWithMinTimeByDay(int day) {
|
|
|
+
|
|
|
+ SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|
|
+ Date date=new Date();
|
|
|
+ Calendar calendar = Calendar.getInstance();
|
|
|
+ calendar.setTime(date);
|
|
|
+ calendar.add(Calendar.DAY_OF_MONTH, day);
|
|
|
+ date = calendar.getTime();
|
|
|
+ return date;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+}
|
‘linchangsheng’