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| | |
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| | | import java.text.ParseException;
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| | | import java.text.SimpleDateFormat;
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| | | import java.util.ArrayList;
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| | | import java.util.Calendar;
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| | | import java.util.Date;
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| | | import java.util.List;
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| | |
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| | | import org.yeshi.utils.entity.DateInfo;
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| | |
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| | | public class DateUtil {
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| | |
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| | |
| | |
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| | | public static String dateDiff2(Date startTime, Date endTime) throws Exception {
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| | |
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| | | String datatime = 0 + "天" + 0 + "小时" + 0 + "分钟";
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| | | String datatime = "0分";
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| | |
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| | | long nm = 1000 * 60;// 一分钟的毫秒数
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| | | long nh = 1000 * 60 * 60;// 一小时的毫秒数
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| | |
| | |
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| | | // 获得两个时间的毫秒时间差异
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| | | long diff = endTime.getTime() - startTime.getTime();
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| | |
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| | | long day = diff / nd;// 计算差多少天
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| | | long hour = diff % nd / nh;// 计算差多少小时
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| | | long min = diff % nd % nh / nm;// 计算差多少分钟
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| | |
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| | | datatime = day + "天" + hour + "小时" + min + "分钟";
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| | |
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| | | if (day > 0) {
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| | | datatime = day + "天" + hour + "时" + min + "分";
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| | | } else {
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| | | if (hour > 0) {
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| | | datatime = hour + "时" + min + "分";
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| | | } else {
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| | | if (min < 0)
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| | | min = 0;
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| | | datatime = min + "分";
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| | | }
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| | | }
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| | | return datatime;
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| | | }
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| | |
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| | | public static DateInfo dateDiff3(long startTime, long endTime) throws Exception {
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| | | long nm = 1000 * 60;// 一分钟的毫秒数
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| | | long nh = 1000 * 60 * 60;// 一小时的毫秒数
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| | | long nd = 1000 * 24 * 60 * 60;// 一天的毫秒数
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| | |
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| | | // 获得两个时间的毫秒时间差异
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| | | long diff = endTime - startTime;
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| | |
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| | | int day = (int) (diff / nd);// 计算差多少天
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| | | long hour = diff % nd / nh;// 计算差多少小时
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| | | long minute = diff % nd % nh / nm;// 计算差多少分钟
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| | | long second = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60); // 计算差多少秒
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| | |
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| | | DateInfo dateInfo = new DateInfo();
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| | | dateInfo.setDay(day);
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| | | dateInfo.setHour(hour);
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| | | dateInfo.setMinute(minute);
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| | | dateInfo.setSecond(second);
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| | | return dateInfo;
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| | | }
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| | |
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| | | public static String dateDiff4(Date startTime, Date endTime) throws Exception {
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| | |
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| | | String datatime = "0分";
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| | |
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| | | long nm = 1000 * 60;// 一分钟的毫秒数
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| | | long nh = 1000 * 60 * 60;// 一小时的毫秒数
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| | | long nd = 1000 * 24 * 60 * 60;// 一天的毫秒数
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| | |
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| | | // 获得两个时间的毫秒时间差异
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| | | long diff = endTime.getTime() - startTime.getTime();
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| | | long day = diff / nd;// 计算差多少天
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| | | long hour = diff % nd / nh;// 计算差多少小时
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| | | long min = diff % nd % nh / nm;// 计算差多少分钟
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| | |
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| | | if (day > 0) {
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| | | datatime = day + "天";
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| | | } else {
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| | | if (hour > 0) {
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| | | datatime = hour + "时";
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| | | } else {
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| | | if (min < 0)
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| | | min = 0;
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| | | datatime = min + "分";
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| | | }
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| | | }
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| | | return datatime;
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| | | }
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| | |
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| | | public static String dateDiff5(Date startTime, Date endTime) throws Exception {
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| | | long nm = 1000 * 60;// 一分钟的毫秒数
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| | | long nh = 1000 * 60 * 60;// 一小时的毫秒数
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| | | long nd = 1000 * 24 * 60 * 60;// 一天的毫秒数
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| | |
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| | | // 获得两个时间的毫秒时间差异
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| | | long diff = endTime.getTime() - startTime.getTime();
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| | | long day = diff / nd;// 计算差多少天
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| | | long hour = diff % nd / nh;// 计算差多少小时
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| | | long min = diff % nd % nh / nm;// 计算差多少分钟
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| | | long second = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60); // 计算差多少秒
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| | |
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| | | String datatime = "";
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| | | if (day > 0) {
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| | | datatime = day + "天";
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| | | } else if (hour > 0) {
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| | | datatime = hour + "小时";
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| | | } else if (min > 0) {
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| | | datatime = min + "分钟";
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| | | } else if (second > 0) {
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| | | datatime = second + "秒";
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| | | }
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| | | return datatime;
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| | | }
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| | |
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| | | public static long dateDiffMin(Date startTime, Date endTime) throws Exception {
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| | | long nm = 1000 * 60;// 一分钟的毫秒数
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| | | long nh = 1000 * 60 * 60;// 一小时的毫秒数
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| | | long nd = 1000 * 24 * 60 * 60;// 一天的毫秒数
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| | |
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| | | // 获得两个时间的毫秒时间差异
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| | | long diff = endTime.getTime() - startTime.getTime();
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| | | long day = diff / nd;// 计算差多少天
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| | | long hour = diff % nd / nh;// 计算差多少小时
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| | | long min = diff % nd % nh / nm + day * 24 * 60 + hour * 60;// 计算差多少分钟
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| | | return min;
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| | | }
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| | |
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| | | /**
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| | | * 通过时间秒毫秒数判断两个时间的间隔
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| | | * |
| | | * @param date1
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| | | * @param date2
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| | | * @return
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| | | */
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| | | public static int differentDaysByMillisecond(Date start, Date end) {
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| | | return (int) ((end.getTime() - start.getTime()) / (1000 * 3600 * 24));
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| | | }
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| | |
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| | | public String transferLongToDate(String dateFormat, Long millSec) {
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| | |
| | | }
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| | |
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| | | /**
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| | | * 判断是否同一个月
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| | | * |
| | | * @param date1
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| | | * @param date2
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| | | * @return
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| | | */
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| | | public static boolean isSameMonth(Date date1, Date date2) {
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| | | Calendar calendar1 = Calendar.getInstance();
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| | | calendar1.setTime(date1);
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| | | Calendar calendar2 = Calendar.getInstance();
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| | | calendar2.setTime(date2);
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| | | int year1 = calendar1.get(Calendar.YEAR);
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| | | int year2 = calendar2.get(Calendar.YEAR);
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| | | int month1 = calendar1.get(Calendar.MONTH);
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| | | int month2 = calendar2.get(Calendar.MONTH);
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| | | System.out.println(year1 + " " + month1);
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| | | System.out.println(year2 + " " + month2);
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| | | return calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR)
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| | | && calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH);
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| | | }
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| | |
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| | | /**
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| | | * 指定日期加上天数后的日期
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| | | *
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| | | * @param num
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| | | * 增加的天数
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| | | * @param nowDate
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| | | * 创建时间
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| | | * @param num 增加的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static String plusDay(int num, String nowDate) throws ParseException {
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | Date currdate = format.parse(nowDate);
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| | | |
| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, num);
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| | | |
| | |
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| | | return format.format(ca.getTime());
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| | | }
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| | |
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| | | /**
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| | | * 指定日期加上天数后的日期
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| | | * |
| | | * @param num 增加的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static Date plusDayReturnDate(int num, String nowDate) throws ParseException {
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | Date currdate = format.parse(nowDate);
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, num);
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| | | return ca.getTime();
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| | | }
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| | |
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| | | /**
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| | | * 指定日期加上天数后的日期
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| | | * |
| | | * @param num 增加的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static String plusDay(int num, Date currdate) throws ParseException {
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, num);
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| | |
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| | | return format.format(ca.getTime());
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| | | }
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| | |
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| | | /**
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| | | * 指定日期加上天数后的日期
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| | | * |
| | | * @param num 增加的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static Date plusDayDate(int num, Date currdate) {
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, num);
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| | | return ca.getTime();
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| | | }
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| | |
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| | | /**
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| | | * 加上月份
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| | | * |
| | | * @param currdate
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| | | * @param num
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| | | * @return
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| | | */
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| | | public static Date plusMonths(Date currdate, int num) {
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.MONTH, num);
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| | | return ca.getTime();
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| | | }
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| | |
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| | | /**
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| | | * 加上年份
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| | | * |
| | | * @param currdate
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| | | * @param num
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| | | * @return
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| | | */
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| | | public static Date plusYears(Date currdate, int num) {
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.YEAR, num);
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| | | return ca.getTime();
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| | | }
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| | |
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| | | /**
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| | | * 减去月份
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| | | * |
| | | * @param currdate
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| | | * @param num
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| | | * @return
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| | | */
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| | | public static Date reduceMonth(Date currdate, int num) {
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.MONTH, -num);
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| | | return ca.getTime();
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| | | }
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| | | |
| | | public static Date reduceDay(Date currdate, int num) {
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, -num);
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| | | return ca.getTime();
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| | | }
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| | |
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| | | /**
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| | | * 指定日期减去天数后的日期
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| | | *
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| | | * @param num
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| | | * 减去的天数
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| | | * @param nowDate
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| | | * 创建时间
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| | | * @param num 减去的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static String reduceDay(int num, String nowDate) throws ParseException {
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | Date currdate = format.parse(nowDate);
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| | | |
| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, -num); // 日期减 如果不够减会将月变动
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| | | |
| | |
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| | | return format.format(ca.getTime());
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| | | }
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| | |
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| | | /**
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| | | * 指定日期减去天数后的日期
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| | | * |
| | | * @param num 减去的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static String reduceDay2(int num, Date date) throws ParseException {
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| | | // 设置要获取到什么样的时间
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | // 获取String类型的时间
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| | | String date_str = format.format(date);
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| | | Date currdate = format.parse(date_str);
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| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, -num); // 日期减 如果不够减会将月变动
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| | |
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| | | return format.format(ca.getTime());
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| | | }
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| | |
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| | | /**
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| | | * 指定日期减去天数后的日期
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| | | * |
| | | * @param num 减去的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
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| | | */
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| | | public static Date reduceDay(int num, Date date) throws ParseException {
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| | | // 设置要获取到什么样的时间
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | // 获取String类型的时间
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| | | String date_str = format.format(date);
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| | | Date currdate = format.parse(date_str);
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| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, -num); // 日期减 如果不够减会将月变动
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| | |
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| | | return ca.getTime();
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| | | }
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| | |
|
| | | /**
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| | | * 指定日期减去天数后的日期
|
| | | * |
| | | * @param num 减去的天数
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| | | * @param nowDate 创建时间
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| | | * @return
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| | | * @throws ParseException
|
| | | */
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| | | public static String reduceDayTostring(int num, Date date) throws ParseException {
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| | | // 设置要获取到什么样的时间
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| | | SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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| | | // 获取String类型的时间
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| | | String date_str = format.format(date);
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| | | Date currdate = format.parse(date_str);
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| | |
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| | | Calendar ca = Calendar.getInstance();
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| | | ca.setTime(currdate);
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| | | ca.add(Calendar.DATE, -num); // 日期减 如果不够减会将月变动
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| | | return format.format(ca.getTime());
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| | | }
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| | |
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| | | /**
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| | | * 计算两个日期之间相差的天数
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| | | * |
| | | * @param smdate 较小的时间
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| | | * @param bdate 较大的时间
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| | | * @return 相差天数
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| | | * @throws ParseException calendar 对日期进行时间操作 getTimeInMillis() 获取日期的毫秒显示形式
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| | | */
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| | | public static int daysBetween(Date minDate, Date maxDate) throws ParseException {
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| | | Calendar cal = Calendar.getInstance();
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| | | cal.setTime(minDate);
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| | | long minTime = cal.getTimeInMillis();
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| | | cal.setTime(maxDate);
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| | | long maxTime = cal.getTimeInMillis();
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| | | long between_days = (maxTime - minTime) / (1000 * 3600 * 24);
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| | | return Integer.parseInt(String.valueOf(between_days));
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| | | }
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| | |
|
| | | /**
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| | | * 字符串日期格式的计算
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| | | * |
| | | * @param smdate
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| | | * @param bdate
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| | | * @return 单位天数
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| | | * @throws ParseException
|
| | | */
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| | | public static int daysBetween2(Date minDate, Date maxDate) throws ParseException {
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| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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| | | return daysBetween(sdf.format(minDate), sdf.format(maxDate));
|
| | | }
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| | |
|
| | | /**
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| | | * 字符串日期格式的计算
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| | | * |
| | | * @param smdate
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| | | * @param bdate
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| | | * @return
|
| | | * @throws ParseException
|
| | | */
|
| | | public static int daysBetween(String minDate, String maxDate) throws ParseException {
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| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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| | | Calendar cal = Calendar.getInstance();
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| | | cal.setTime(sdf.parse(minDate));
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| | | long minTime = cal.getTimeInMillis();
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| | | cal.setTime(sdf.parse(maxDate));
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| | | long maxTime = cal.getTimeInMillis();
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| | | long between_days = (maxTime - minTime) / (1000 * 3600 * 24);
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| | | return Integer.parseInt(String.valueOf(between_days));
|
| | | }
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| | |
|
| | | /**
|
| | | * 返回中间日期
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| | | * |
| | | * @param startTime
|
| | | * @param endTime
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| | | * @return
|
| | | * @throws Exception
|
| | | */
|
| | | public static List<String> dayFactory(String startTime, String endTime) throws Exception {
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| | |
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| | | List<String> listDate = new ArrayList<String>();
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| | |
|
| | | String plusDay = "";
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| | | for (int i = 0; i < 1000; i++) {
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| | | if (i == 0) {
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| | | plusDay = startTime;
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| | | } else {
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| | | plusDay = DateUtil.plusDay(i, startTime);
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| | | }
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| | |
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| | | listDate.add(plusDay);
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| | |
|
| | | if (plusDay.equals(endTime)) {
|
| | | break; // 时间结束
|
| | | }
|
| | | }
|
| | | return listDate;
|
| | | }
|
| | |
|
| | | /**
|
| | | * 随机减去几分钟
|
| | | * |
| | | * @param date
|
| | | * @param min 随机添加的分钟数
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| | | * @return
|
| | | */
|
| | | public static Date reduceRandomMinute(Date date, int min) {
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| | | long rand = (long) (Math.random() * 1000 * 60 * min);
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| | | long time = date.getTime() - rand;
|
| | | return new Date(time);
|
| | | }
|
| | |
|
| | | /**
|
| | | * 计算两时间月差
|
| | | * |
| | | * @param startDate <String>
|
| | | * @param endDate <String>
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| | | * @return int
|
| | | * @throws ParseException
|
| | | */
|
| | | public static int getMonthSpace(String startDate, String endDate) throws ParseException {
|
| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
|
| | | return getMonthSpace(sdf.parse(startDate), sdf.parse(endDate));
|
| | | }
|
| | |
|
| | | /**
|
| | | * 计算两时间月差
|
| | | * |
| | | * @param startDate <String>
|
| | | * @param endDate <String>
|
| | | * @return int
|
| | | * @throws ParseException
|
| | | */
|
| | | public static int getMonthSpace(Date startDate, Date endDate) {
|
| | | Calendar start = Calendar.getInstance();
|
| | | Calendar end = Calendar.getInstance();
|
| | | start.setTime(startDate);
|
| | | end.setTime(endDate);
|
| | | int result = end.get(Calendar.MONTH) - start.get(Calendar.MONTH);
|
| | | int month = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR)) * 12;
|
| | | return Math.abs(month + result);
|
| | | }
|
| | |
|
| | | public static Date getTodayStartTime() {
|
| | | Calendar todayStart = Calendar.getInstance();
|
| | | todayStart.set(Calendar.HOUR_OF_DAY, 0);
|
| | | todayStart.set(Calendar.MINUTE, 0);
|
| | | todayStart.set(Calendar.SECOND, 0);
|
| | | todayStart.set(Calendar.MILLISECOND, 0);
|
| | | return todayStart.getTime();
|
| | | }
|
| | |
|
| | | public static Date getTodayEndTime() {
|
| | | Calendar todayEnd = Calendar.getInstance();
|
| | | todayEnd.set(Calendar.HOUR_OF_DAY, 23);
|
| | | todayEnd.set(Calendar.MINUTE, 59);
|
| | | todayEnd.set(Calendar.SECOND, 59);
|
| | | todayEnd.set(Calendar.MILLISECOND, 999);
|
| | | return todayEnd.getTime();
|
| | | }
|
| | |
|
| | | /**
|
| | | * 获取指定年月的第一天
|
| | | * |
| | | * @param yearMonth
|
| | | * @return
|
| | | */
|
| | | public static String getFirstDayOfMonth(String yearMonth) {
|
| | | int year = Integer.parseInt(yearMonth.split("-")[0]); // 年
|
| | | int month = Integer.parseInt(yearMonth.split("-")[1]); // 月
|
| | | return getFirstDayOfMonth(year, month);
|
| | | }
|
| | |
|
| | | /**
|
| | | * 获取指定年月的第一天
|
| | | * |
| | | * @param year
|
| | | * @param month
|
| | | * @return
|
| | | */
|
| | | public static String getFirstDayOfMonth(int year, int month) {
|
| | | Calendar cal = Calendar.getInstance();
|
| | | // 设置年份
|
| | | cal.set(Calendar.YEAR, year);
|
| | | // 设置月份
|
| | | cal.set(Calendar.MONTH, month - 1);
|
| | | // 获取某月最小天数
|
| | | int firstDay = cal.getMinimum(Calendar.DATE);
|
| | | // 设置日历中月份的最小天数
|
| | | cal.set(Calendar.DAY_OF_MONTH, firstDay);
|
| | | // 格式化日期
|
| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
|
| | | return sdf.format(cal.getTime());
|
| | | }
|
| | |
|
| | | /**
|
| | | * 获取指定年月的最后一天
|
| | | * |
| | | * @param yearMonth
|
| | | * @return
|
| | | */
|
| | | public static String getLastDayOfMonth(String yearMonth) {
|
| | | int year = Integer.parseInt(yearMonth.split("-")[0]); // 年
|
| | | int month = Integer.parseInt(yearMonth.split("-")[1]); // 月
|
| | | return getLastDayOfMonth(year, month);
|
| | | }
|
| | |
|
| | | /**
|
| | | * 获取指定年月的最后一天
|
| | | * |
| | | * @param year
|
| | | * @param month
|
| | | * @return
|
| | | */
|
| | | public static String getLastDayOfMonth(int year, int month) {
|
| | | Calendar cal = Calendar.getInstance();
|
| | | // 设置年份
|
| | | cal.set(Calendar.YEAR, year);
|
| | | // 设置月份
|
| | | cal.set(Calendar.MONTH, month - 1);
|
| | | // 获取某月最大天数
|
| | | int lastDay = cal.getActualMaximum(Calendar.DATE);
|
| | | // 设置日历中月份的最大天数
|
| | | cal.set(Calendar.DAY_OF_MONTH, lastDay);
|
| | | // 格式化日期
|
| | | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
|
| | | return sdf.format(cal.getTime());
|
| | | }
|
| | |
|
| | | public static void main(String[] args) throws ParseException {
|
| | | System.out.println(getMonthSpace("2012-02", "2012-02"));
|
| | | }
|
| | |
|
| | | } |