402 lines
14 KiB
Java
402 lines
14 KiB
Java
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package com.zhgd.xmgl.util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.time.DayOfWeek;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.time.temporal.TemporalAdjusters;
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import java.util.*;
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/**
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* @program: wisdomSite
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* @description: 日期格式
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* @author: Mr.Peng
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* @create: 2020-12-15 17:05
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**/
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public class DateUtil {
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/**
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* 时间格式化
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* @param oldDate
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* @return
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*/
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public static String dealDateFormat(String oldDate) {
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Date date1 = null;
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SimpleDateFormat df2 = null;
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try {
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SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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Date date = df.parse(oldDate);
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Calendar beijingcal=Calendar.getInstance();
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beijingcal.setTime(date);
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//SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
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//date1 = df1.parse(date.toString());
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beijingcal.set(Calendar.HOUR, beijingcal.get(Calendar.HOUR) + 8);
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date1 = beijingcal.getTime();
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df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return df2.format(date1);
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}
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public static String parseDateFormat(String oldDate) {
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Date date = null;
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SimpleDateFormat df2 = null;
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try {
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SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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date = df.parse(oldDate);
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df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return df2.format(date);
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}
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public static String switchCreateTime(String createTime) {
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String formatStr2 = null;
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");//注意格式化的表达式
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try {
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Date time = format.parse(createTime );
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String date = time.toString();
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//将西方形式的日期字符串转换成java.util.Date对象
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SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", java.util.Locale.US);
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Date datetime = (Date) sdf.parse(date);
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//再转换成自己想要显示的格式
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formatStr2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(datetime);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return formatStr2;
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}
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/**
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* 查询本周所有天数
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* @return
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*/
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public static List<String> getNowWeekAllDayList(){
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Calendar cal = Calendar.getInstance();
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// 判断要计算的日期是否是周日，如果是则减一天计算周六的，否则会出问题，计算到下一周去了
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// 获得当前日期是一个星期的第几天
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int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
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if (1 == dayWeek) {
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cal.add(Calendar.DAY_OF_MONTH, -1);
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}
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// log.info("要计算日期为:" + sdf.format(cal.getTime())); // 输出要计算日期
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// 设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一
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cal.setFirstDayOfWeek(Calendar.MONDAY);
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// 获得当前日期是一个星期的第几天
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int day = cal.get(Calendar.DAY_OF_WEEK);
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// 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值
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cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);
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return findDates(cal.getTime(),new Date());
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}
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/**
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* 查询现在时间几天前到现在之间的所有日期
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* @param days
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* @return
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*/
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public static List<String> getOtherDayAllDayList(int days){
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Calendar cal = Calendar.getInstance();
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cal.add(Calendar.DATE,-days);
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return findDates(cal.getTime(),new Date());
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}
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/**
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* 查询本月所有天数
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* @return
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*/
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public static List<String> getNowMonthAllDayList(){
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Calendar cal = Calendar.getInstance();
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cal.set(Calendar.DAY_OF_MONTH, 1);
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return findDates(cal.getTime(),new Date());
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}
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/**
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* 获取两个时间段所有天数
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* @param beginTime
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* @param endTime
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* @return
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*/
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public static List<String> getDiffTimeDayList(String beginTime,String endTime){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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try {
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return findDates(sdf.parse(beginTime),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 null;
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}
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public static List<String> findDates(Date dBegin, Date dEnd){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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List lDate = new ArrayList();
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lDate.add(sdf.format(dBegin));
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Calendar calBegin = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calBegin.setTime(dBegin);
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Calendar calEnd = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calEnd.setTime(dEnd);
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// 测试此日期是否在指定日期之后
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while (dEnd.after(calBegin.getTime())){
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// 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
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calBegin.add(Calendar.DAY_OF_MONTH, 1);
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if(calBegin.getTimeInMillis()<=dEnd.getTime()) {
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lDate.add(sdf.format(calBegin.getTime()));
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}
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}
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return lDate;
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}
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/**
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* 获取指定年份所有天数
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* @param yearMonth
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* @return
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*/
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public static List<String> getYearAllMonthList(String yearMonth) {
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String year=yearMonth.substring(0,4);
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List<String> list=new ArrayList<>();
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for (int i = 1; i <=12 ; i++) {
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if(i<10){
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list.add(year+"0"+i);
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}else{
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list.add(year+i);
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}
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}
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return list;
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}
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/**
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*
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* @param yearMonth 月份格式yyyy-MM
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* @return
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*/
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public static List<String> getMonthDayList(String yearMonth) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
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//判断是否是当月
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if(yearMonth.equals(sdf.format(new Date()))){
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return getNowMonthAllDayList();
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}else{
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return getDayListOfMonth(yearMonth);
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}
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}
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public static List<String> getDayListOfMonth(String yearMonth) {
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int year = Integer.parseInt(yearMonth.split("-")[0]); //年
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int month = Integer.parseInt(yearMonth.split("-")[1]); //月
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Calendar endCal = Calendar.getInstance();
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// 设置年份
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endCal.set(Calendar.YEAR, year);
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// 设置月份
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endCal.set(Calendar.MONTH, month - 1);
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// 获取某月最大天数
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int lastDay = endCal.getActualMaximum(Calendar.DATE);
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// 设置日历中月份的最大天数
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endCal.set(Calendar.DAY_OF_MONTH, lastDay);
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Calendar startCal = Calendar.getInstance();
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// 设置年份
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startCal.set(Calendar.YEAR, year);
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// 设置月份
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startCal.set(Calendar.MONTH, month - 1);
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//获取某月最小天数
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int firstDay = startCal.getActualMinimum(Calendar.DAY_OF_MONTH);
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//设置日历中月份的最小天数
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startCal.set(Calendar.DAY_OF_MONTH, firstDay);
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return findDates(startCal.getTime(),endCal.getTime());
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}
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/**
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* 获取当前周第一天日期
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* @return
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*/
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public static String getNowWeekStartTime(){
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Calendar cal = Calendar.getInstance();
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// 判断要计算的日期是否是周日，如果是则减一天计算周六的，否则会出问题，计算到下一周去了
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// 获得当前日期是一个星期的第几天
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int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
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if (1 == dayWeek) {
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cal.add(Calendar.DAY_OF_MONTH, -1);
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}
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// log.info("要计算日期为:" + sdf.format(cal.getTime())); // 输出要计算日期
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// 设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一
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cal.setFirstDayOfWeek(Calendar.MONDAY);
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// 获得当前日期是一个星期的第几天
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int day = cal.get(Calendar.DAY_OF_WEEK);
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// 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值
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cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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return sdf.format(cal.getTime());
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}
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public static List<String> getDiffTimeYearList(String beginTime,String endTime){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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try {
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return findYear(sdf.parse(beginTime),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 null;
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}
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public static List<String> findYear(Date dBegin, Date dEnd){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
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List lDate = new ArrayList();
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lDate.add(sdf.format(dBegin));
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Calendar calBegin = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calBegin.setTime(dBegin);
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Calendar calEnd = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calEnd.setTime(dEnd);
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// 测试此日期是否在指定日期之后
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while (dEnd.after(calBegin.getTime())){
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// 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
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calBegin.add(Calendar.YEAR, 1);
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if(calBegin.getTimeInMillis()<=dEnd.getTime()) {
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lDate.add(sdf.format(calBegin.getTime()));
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}
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}
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return lDate;
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}
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public static List<String> getDiffTimeMonthList(String beginTime,String endTime){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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try {
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return findMonth(sdf.parse(beginTime),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 null;
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}
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public static List<String> findMonth(Date dBegin, Date dEnd){
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
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List lDate = new ArrayList();
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lDate.add(sdf.format(dBegin));
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Calendar calBegin = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calBegin.setTime(dBegin);
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Calendar calEnd = Calendar.getInstance();
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// 使用给定的 Date 设置此 Calendar 的时间
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calEnd.setTime(dEnd);
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// 测试此日期是否在指定日期之后
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while (dEnd.after(calBegin.getTime())){
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// 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
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calBegin.add(Calendar.MONTH, 1);
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if(calBegin.getTimeInMillis()<=dEnd.getTime()) {
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lDate.add(sdf.format(calBegin.getTime()));
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}
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}
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return lDate;
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}
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public static List<String> getDiffTimeWeekList(String beginTime,String endTime){
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
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LocalDate startDate = LocalDate.parse(beginTime,formatter);
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LocalDate endDate = LocalDate.parse(endTime,formatter);
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List<String> lDate = new ArrayList();
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while (endDate.isAfter(startDate)){
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String start=startDate.format(formatter);
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if(startDate.getDayOfWeek()==DayOfWeek.SUNDAY) {
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lDate.add(start + "/" + start);
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}else{
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LocalDate sunday = startDate.with(TemporalAdjusters.next(DayOfWeek.SUNDAY));
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if (sunday.isAfter(endDate)) {
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lDate.add(start + "/" + endDate.format(formatter));
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} else {
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lDate.add(start + "/" + sunday.format(formatter));
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}
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}
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startDate=startDate.with(TemporalAdjusters.next(DayOfWeek.SUNDAY)).plusDays(1);
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}
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return lDate;
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}
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/**
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* 获取当前时间和当天时间几天前之间的所有天数
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* @param dayNum 当天时间以前具体几天
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* @return
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*/
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public static List<String> getNowFewDaysAgoList(int dayNum){
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try {
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.DATE, -dayNum);
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Date date = calendar.getTime();
|
|||
|
|
return findDates(date,new Date());
|
|||
|
|
} catch (Exception e) {
|
|||
|
|
e.printStackTrace();
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
*
|
|||
|
|
* @param type 1 今日24 小时，2本周所有天，3本月所有天
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
public static List<String> getDayList(Integer type) {
|
|||
|
|
if(type==1){
|
|||
|
|
List<String> list=new ArrayList<>();
|
|||
|
|
for(int i=0;i<=23;i++){
|
|||
|
|
list.add(i+"");
|
|||
|
|
}
|
|||
|
|
return list;
|
|||
|
|
}else if(type==2){
|
|||
|
|
return getNowWeekAllDayList();
|
|||
|
|
}else if(type==3){
|
|||
|
|
return getNowMonthAllDayList();
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 比较两个日期大小
|
|||
|
|
* @param time1
|
|||
|
|
* @param time2
|
|||
|
|
* @return
|
|||
|
|
* @throws ParseException
|
|||
|
|
*/
|
|||
|
|
public static boolean compareTime(String time1,String time2){
|
|||
|
|
try {
|
|||
|
|
//如果想比较日期则写成"yyyy-MM-dd"就可以了
|
|||
|
|
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
|
|||
|
|
//将字符串形式的时间转化为Date类型的时间
|
|||
|
|
Date a=sdf.parse(time1);
|
|||
|
|
Date b=sdf.parse(time2);
|
|||
|
|
//Date类的一个方法，如果a早于b返回true，否则返回false
|
|||
|
|
//a时间下雨b时间返回true,否正返回false
|
|||
|
|
if(a.before(b)) {
|
|||
|
|
return true;
|
|||
|
|
}else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}catch (Exception e){
|
|||
|
|
e.printStackTrace();
|
|||
|
|
}
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* 查询当前时间指定天数之前的日期
|
|||
|
|
* @Title: getBeginDayTime
|
|||
|
|
* @Description: TODO(这里用一句话描述这个方法的作用)
|
|||
|
|
* @param @param days
|
|||
|
|
* @param @return 参数
|
|||
|
|
* @return String 返回类型
|
|||
|
|
* @throws
|
|||
|
|
*/
|
|||
|
|
public static String getBeginDayTime(int days){
|
|||
|
|
Calendar cal = Calendar.getInstance();
|
|||
|
|
cal.add(Calendar.DATE,-days);
|
|||
|
|
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|||
|
|
return sdf.format(cal.getTime());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void main(String[] args) {
|
|||
|
|
//log.info(dealDateFormat("2021-08-25T04:22:20+0000"));
|
|||
|
|
System.out.println(getOtherDayAllDayList(10));
|
|||
|
|
}
|
|||
|
|
}
|