package com.boying.util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.concurrent.TimeUnit;
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public class DateUtilOther {
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public static String DateToString(Date date,String format){
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if(!StringUtil.isNullOrEmpty(format)){
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SimpleDateFormat f = new SimpleDateFormat(format);
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String sDate = f.format(date);
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return sDate;
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}
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SimpleDateFormat f = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss");
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String sDate = f.format(date);
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return sDate;
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}
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public static Date stringToDate(String date,String format) throws ParseException {
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if(!StringUtil.isNullOrEmpty(format)){
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SimpleDateFormat f = new SimpleDateFormat(format);
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return f.parse(date);
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}
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SimpleDateFormat f = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss");
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return f.parse(date);
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}
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public static LocalDateTime stringToLocalDate(String date,String format) throws ParseException {
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ZoneId zoneId = ZoneId.systemDefault();
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if(!StringUtil.isNullOrEmpty(format)){
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SimpleDateFormat f = new SimpleDateFormat(format);
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LocalDateTime.ofInstant(f.parse(date).toInstant(), zoneId);
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}
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SimpleDateFormat f = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss");
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return LocalDateTime.ofInstant(f.parse(date).toInstant(), zoneId);
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}
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public static Date getYearFirst(int year){
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Calendar calendar = Calendar.getInstance();
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calendar.clear();
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calendar.set(Calendar.YEAR, year);
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Date currYearFirst = calendar.getTime();
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return currYearFirst;
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}
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/**
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* 获取某年最后一天日期
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* @param year 年份
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* @return Date
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*/
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public static Date getYearLast(int year){
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Calendar calendar = Calendar.getInstance();
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calendar.clear();
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calendar.set(Calendar.YEAR, year);
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calendar.roll(Calendar.DAY_OF_YEAR, -1);
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Date currYearLast = calendar.getTime();
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return currYearLast;
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}
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/**
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* 获取指定年月的第一天
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* @param year
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* @param month
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* @return
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*/
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public static Date getFirstDayOfMonth(int year, int month) {
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Calendar cal = Calendar.getInstance();
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//设置年份
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cal.set(Calendar.YEAR, year);
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//设置月份
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cal.set(Calendar.MONTH, month-1);
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//获取某月最小天数
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int firstDay = cal.getMinimum(Calendar.DATE);
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//设置日历中月份的最小天数
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cal.set(Calendar.DAY_OF_MONTH,firstDay);
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return cal.getTime();
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}
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/**
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* 获取指定年月的最后一天
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* @param year
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* @param month
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* @return
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*/
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public static Date getLastDayOfMonth(int year, int month) {
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Calendar cal = Calendar.getInstance();
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//设置年份
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cal.set(Calendar.YEAR, year);
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//设置月份
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cal.set(Calendar.MONTH, month-1);
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//获取某月最大天数
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int lastDay = cal.getActualMaximum(Calendar.DATE);
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//设置日历中月份的最大天数
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cal.set(Calendar.DAY_OF_MONTH, lastDay);
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return cal.getTime();
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}
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public static String getFirstTimeByDate() {
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Calendar cal = Calendar.getInstance();
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String start_update = format.format(cal.getTime());
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cal.set(Calendar.HOUR_OF_DAY, cal.get(Calendar.HOUR_OF_DAY)-1);
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String end_update = format.format(cal.getTime());
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return end_update;
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}
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public static Date getMinute(Date date,int x){
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Calendar beforeTime = Calendar.getInstance();
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beforeTime.setTime(date);
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beforeTime.add(Calendar.MINUTE, x);
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return beforeTime.getTime();
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}
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//当天的开始
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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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//当天的结束
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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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* 获取当月开始时间
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*/
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public static Date getMonthStartTime() {
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Calendar calendar = Calendar.getInstance();// 获取当前日期
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calendar.add(Calendar.YEAR, 0);
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calendar.add(Calendar.MONTH, 0);
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calendar.set(Calendar.DAY_OF_MONTH, 1);// 设置为1号,当前日期既为本月第一天
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calendar.set(Calendar.HOUR_OF_DAY, 0);
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calendar.set(Calendar.MINUTE, 0);
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calendar.set(Calendar.SECOND, 0);
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calendar.set(Calendar.MILLISECOND, 0);
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return calendar.getTime();
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}
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/**
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* 获取当月的结束时间戳
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*/
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public static Date getMonthEndTime() {
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Calendar calendar = Calendar.getInstance();// 获取当前日期
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calendar.add(Calendar.YEAR, 0);
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calendar.add(Calendar.MONTH, 0);
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calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));// 获取当前月最后一天
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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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//获取参考日期的上n个月的数据
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public static Date getDateLessMonth(int i) {
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Calendar calendar = Calendar.getInstance();// 获取当前日期
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calendar.add(Calendar.DAY_OF_MONTH, -i);// 设置为1号,当前日期既为本月第一天
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return calendar.getTime();
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}
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public static String getYearMoneyDay(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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return sdf.format(new Date());
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}
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public static String getYearMoneyDay2(){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar rightNow = Calendar.getInstance();
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rightNow.add(Calendar.DATE,1);
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return sdf.format(rightNow.getTime());
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}
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public static String getYearMoneyDay3(String format) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Date parse = sdf.parse(format);
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Calendar rightNow = Calendar.getInstance();
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rightNow.setTime(parse);
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rightNow.add(Calendar.DATE,1);
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return sdf.format(rightNow.getTime());
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}
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public static Date getYearMoneyDay4(String a,String b) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Date parse = sdf.parse(getYearMoneyDay3(a)+" "+b);
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return parse;
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}
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public static LocalDateTime getYearMoneyDay5(String a, String b) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Date parse = sdf.parse(getYearMoneyDay3(a)+" "+b);
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ZoneId zoneId = ZoneId.systemDefault();
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return LocalDateTime.ofInstant(parse.toInstant(), zoneId);
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}
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public static String millisToDayHrMinSec(long minute){
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//如果传入的分钟是0，默认24小时
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if (0 == minute) {
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return "0分钟";
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}
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//如果分钟小于60，默认返回分钟
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if (0 < minute && minute < 60) {
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return minute + "分钟";
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}
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//如果分钟小于24小时（1440分钟），返回小时和分钟
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if (60 <= minute && minute < 1440) {
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if (minute % 60 == 0) {
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long h = minute / 60;
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return h + "小时";
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} else {
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long h = minute / 60;
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long m = minute % 60;
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return h + "小时" + m + "分钟";
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}
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}
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//如果分钟大于1天
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if (minute >= 1440) {
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long d = minute / 60 / 24;
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long h = minute / 60 % 24;
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long m = minute % 60;
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String s1 = null;
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if (d > 0) {
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s1 = d + "天";
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}
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//h如果计算大于等于1再展示，否则只展示天和分钟
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if (h >= 1) {
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s1 += h + "小时";
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}
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if (m > 0) {
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s1 += m + "分钟";
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}
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return s1;
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}
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return null;
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}
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public static void main(String[] args) {
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// System.out.println(millisToDayHrMinSec(1450));
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}
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}
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