263 lines
6.5 KiB
Plaintext
263 lines
6.5 KiB
Plaintext
package com.nationalelectric.greenH5.utils;
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import java.sql.Timestamp;
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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.time.LocalDateTime;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Locale;
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public class DateTimeHelper {
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public static String format(String timeLong, String defaut) {
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try {
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long tmpLong = Long.parseLong(timeLong);
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Date d = new Date(tmpLong);
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String timeStr = format(d, "yyyy-MM-dd HH:mm:ss");
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return timeStr;
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} catch (Exception e) {
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return defaut;
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}
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}
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public static String getNowDate() {
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return format(new Date(), "yyyy-MM-dd HH:mm:ss");
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}
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public static String getNowDate1() {
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return format(new Date(), "yyyy-MM-dd");
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}
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public static String getNowDate2() {
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return format(new Date(), "yyyyMMdd");
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}
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public static String getNowDay() {
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return format(new Date(), "yyyy-MM-dd");
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}
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public static String getNowDate3() {
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return format(new Date(), "yyyy-MM-dd HH:mm:ss.SSSSSS");
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}
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public static void main(String[] args) {
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}
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/**
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* 两个时间相差距离多少天多少小时多少分多少秒
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*
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* @param str1
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* 时间参数 1 格式：2016-06-22 18:21:20
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* @param str2
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* 时间参数 2 格式：2016-06-22 17:21:20
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* @return String 返回值为：xx天xx小时xx分xx秒
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*/
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public static String getDistanceTime(String str1, String str2) {
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DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Date one;
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Date two;
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long day = 0;
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long hour = 0;
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long min = 0;
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long sec = 0;
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long ms = 0;
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try {
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one = df.parse(str1);
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two = df.parse(str2);
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long time1 = one.getTime();
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long time2 = two.getTime();
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long diff;
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if (time1 < time2) {
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diff = time2 - time1;
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} else {
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diff = time1 - time2;
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}
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day = diff / (24 * 60 * 60 * 1000);
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hour = (diff / (60 * 60 * 1000) - day * 24);
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min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
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sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
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// ms = (diff - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000 -
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// min * 60 * 1000 - sec * 1000);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return hour + "小时" + min + "分" + sec + "秒";
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}
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/**
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* smdate时间参数 String类型 YYYY-MM-dd bdate时间参数 String类型 YYYY-DD-dd
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* return返回整形Int数字类型,例如:1 可用于计算两个日期的相差天数
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*/
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public static int daysBetween(String smdate, String bdate) 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(smdate));
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long time1 = cal.getTimeInMillis();
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cal.setTime(sdf.parse(bdate));
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long time2 = cal.getTimeInMillis();
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long between_days = (time2 - time1) / (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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* 用于计算两个时间的大小，是否相等 beginTime参数:开始时间 endTime 参数:结束时间 开始时间 < 结束时间 :返回0 开始时间 >
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* 结束时间 :返回1 开始时间 = 结束时间 :返回2
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*/
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public static int isDaySize(String beginTime, String endTime) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Date bt = sdf.parse(beginTime);
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Date et = sdf.parse(endTime);
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if (!bt.before(et) && !bt.after(et)) {
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return 2;
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}
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if (bt.before(et)) {
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return 0;
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} else {
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return 1;
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}
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}
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public static String getNowDateZH() {
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return format(new Date(), "yyyy年MM月dd日");
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}
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public static String getNowDateHMS() {
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return format(new Date(), "yyyyMMddHHmmss");
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}
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public static String getNowDateHM() {
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return format(new Date(), "yyyyMMddHHmm");
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}
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public static String format(Date d, String f) {
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SimpleDateFormat sdf = new SimpleDateFormat(f, Locale.US);
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return sdf.format(d);
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}
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public static boolean isToday(String datetime) {
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String todayStr = format(new Date(), "yyyy-MM-dd");
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if (datetime.contains(todayStr)) {
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return true;
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}
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return false;
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}
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public static String getNowDateyms() {
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return format(new Date(), "yyyy-MM-dd HH:mm:ss");
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}
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/**
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* 获取当前时间的天
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*
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* @return
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*/
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public static String getNowCurrentDay() {
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return format(new Date(), "dd");
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}
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/**
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* 获取当前时间的年份
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*
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* @return
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*/
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public static String getNowYear() {
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return format(new Date(), "yyyy");
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}
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/**
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* 获取当前时间的年月
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*
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* @return
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*/
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public static String getNowYearMonth() {
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return format(new Date(), "yyyyMM");
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}
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/**
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* 获取当前月份
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*
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* @return
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*/
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public static String getNowMonths() {
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return format(new Date(), "MM");
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}
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/**
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* 获取当前时间的日
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*
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* @return
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*/
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public static String getDay() {
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return format(new Date(), "dd");
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}
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// 返回的是字符串型的时间，输入的
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// 是String day, int x
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public static String addDateMinut(String day, int x) {
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 24小时制
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// 引号里面个格式也可以是 HH:mm:ss或者HH:mm等等，很随意的，不过在主函数调用时，要和输入的变
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// 量day格式一致
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Date date = null;
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try {
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date = format.parse(day);
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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if (date == null)
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return "";
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System.out.println("front:" + format.format(date)); // 显示输入的日期
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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cal.add(Calendar.MINUTE, x);// 24小时制
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date = cal.getTime();
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System.out.println("after:" + format.format(date)); // 显示更新后的日期
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cal = null;
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return format.format(date);
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}
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/**
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* 获取当前时间戳
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*
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* @return
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*/
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public static String getStamp() {
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int temp = (int) (System.currentTimeMillis() / 1000);
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return temp + "";
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}
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/**
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* 获取本周为今年的第几周
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*
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* @return
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*/
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public static String getWeek(){
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Calendar calendar = Calendar.getInstance();
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return String.valueOf(calendar.get(Calendar.WEEK_OF_YEAR));
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}
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/**
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* 日期解析为时间戳
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*
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* @param dateString
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* @param format
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* @return Long
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* @description
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* @author cwchen
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* @date 2024/3/16 15:11
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*/
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public static Long convertDateStringToTimestamp(String dateString, String format){
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Date date = null;
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try {
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SimpleDateFormat sdf = new SimpleDateFormat(format);
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date = sdf.parse(dateString);
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} catch (ParseException e) {
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return null;
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}
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return date.getTime();
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}
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}
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