218 lines
6.4 KiB
Java
218 lines
6.4 KiB
Java
package com.base.util;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import com.amarsoft.are.ARE;
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public class DateUtil {
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public final static String FULL_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
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public final static String TIME_MONTH = "MONTH";
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public final static String TIME_DAY = "DAY";
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public final static String TIME_YEAR = "YEAR";
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public static void main(String[] args) throws InterruptedException {
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System.out.println(timeStamp());
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Thread.sleep(1000*5);
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System.out.println(timeStamp(new Date()));
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Thread.sleep(1000*5);
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System.out.println(timeStamp(getDateTime(new Date()), "yyyy-MM-dd HH:mm:ss"));
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}
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/**
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* 取得当前时间戳（精确到秒）
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*
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* @return
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*/
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public static String timeStamp() {
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long time = System.currentTimeMillis();
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String t = String.valueOf(time / 1000);
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return t;
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}
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public static String timeStamp(String dateStr, String format) {
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try {
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SimpleDateFormat sdf = new SimpleDateFormat(format);
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return String.valueOf(sdf.parse(dateStr).getTime() / 1000);
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} catch (Exception e) {
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System.out.println(e);
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e.printStackTrace();
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}
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return "";
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}
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public static String timeStamp(Date date) {
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return timeStamp(getDateTime(date), "yyyy-MM-dd HH:mm:ss");
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}
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public static int getIntervalDays(Date startDate, Date endDate) {
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if ((null == startDate) || (null == endDate)) {
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return -1;
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}
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long intervalMilli = (endDate.getTime() - startDate.getTime());
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return (int) (intervalMilli / (24 * 60 * 60 * 1000));
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}
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@SuppressWarnings("static-access")
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public static String getNexMonthDate(Date date, int iInterval,
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String returnForMat) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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calendar.add(calendar.MONTH, iInterval);// 把日期往后增加一个月.整数往后推,负数往前移动
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date = calendar.getTime(); // 这个时间就是日期往后推一天的结果
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String sDate = DateUtil.getSystemTimeByFormat(date, returnForMat);
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return sDate;
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}
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public static int daysOfTwo(Date startDate, Date endDate) {
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Calendar aCalendar = Calendar.getInstance();
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aCalendar.setTime(startDate);
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int day1 = aCalendar.get(Calendar.DAY_OF_YEAR);
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aCalendar.setTime(endDate);
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int day2 = aCalendar.get(Calendar.DAY_OF_YEAR);
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return day2 - day1;
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}
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public static int getMonthSpace(String date1, String date2)
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throws ParseException {
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int result = 0;
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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Calendar c1 = Calendar.getInstance();
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Calendar c2 = Calendar.getInstance();
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c1.setTime(sdf.parse(date1));
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c2.setTime(sdf.parse(date2));
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result = c2.get(Calendar.MONTH) - c1.get(Calendar.MONTH);
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return result + (c2.get(Calendar.YEAR) - c1.get(Calendar.YEAR)) * 12;
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}
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public static String addDate(Date startDate, String type, Integer num) {
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Calendar aCalendar = Calendar.getInstance();
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aCalendar.setTime(startDate);
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if (type.equalsIgnoreCase(DateUtil.TIME_DAY)) {
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aCalendar.add(Calendar.DAY_OF_YEAR, num);
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} else if (type.equalsIgnoreCase(DateUtil.TIME_MONTH)) {
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aCalendar.add(Calendar.MONTH, num);
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} else {
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aCalendar.add(Calendar.YEAR, num);
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}
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return DateUtil
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.getSystemTimeByFormat(aCalendar.getTime(), "yyyy-MM-dd");
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}
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public static String addDate(String startDate, String type, Integer num) {
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Date dateStart = getTimeByFormat(startDate, "yyyy-MM-dd");
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return addDate(dateStart, type, num);
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}
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public static Date getEndDateByDays(Date startDate, int days) {
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Calendar aCalendar = Calendar.getInstance();
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aCalendar.setTime(startDate);
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aCalendar.add(Calendar.DAY_OF_YEAR, days);
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return aCalendar.getTime();
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}
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public static String getSystemDate() {
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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 getSystemDateTime() {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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return sdf.format(new Date());
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}
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public static String getSystemDateDetailTime() {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:sss");
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return sdf.format(new Date());
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}
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public static String getDateTime(Date date) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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if (null == date) {
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date = new Date();
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}
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return sdf.format(date);
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}
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/**
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* @param dateFormat
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* 输出日期格式，形如：yyyy-MM-dd HH:mm:ss
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* @return 格式化后的日期字符串
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*/
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public static String getSystemTimeByFormat(String dateFormat) {
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SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
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return sdf.format(new Date());
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}
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public static String getSystemTimeByFormat(Date date, String dateFormat) {
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SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
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return sdf.format(date);
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}
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public static String getTimeAllByFormat(String dateFormat)
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throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Date date = sdf.parse(dateFormat);
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DateFormat format = new SimpleDateFormat("yyyy年MM月dd日");
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return format.format(date);
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}
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/**
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* @param dateStr
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* 日期字符串，形如：yyyy-MM-dd HH:mm:ss
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* @param dateFormat
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* 输出日期格式，形如：yyyy-MM-dd HH:mm:ss
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* @return 格式化后的日期字符串
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*/
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public static Date getTimeByFormat(String dateStr, String dateFormat) {
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SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
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Date date = null;
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try {
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date = sdf.parse(dateStr);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return date;
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}
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/**
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* 获取 yyyy-MM-dd 日期
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*
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* @param dateStr
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* 日期时间字符串
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* @param dateFormat
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* dateStr的字符串格式
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* @return ' yyyy-MM-dd '格式日期
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*/
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public static String getFormateDate(String dateStr, String dateFormat) {
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SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
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Date date = null;
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try {
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date = sdf.parse(dateStr);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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sdf = new SimpleDateFormat("yyyy-MM-dd");
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return sdf.format(date);
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}
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// public static void main(String[] args) {
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// String date = getSystemTimeByFormat(new Date(), "yyyy/MM/dd HH:mm:ss");
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// System.out.println(date);
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// String[] dateArray = date.split("/");
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// System.out.println("year :" + dateArray[0]);
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// System.out.println("month :" + dateArray[1]);
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// System.out.println("day :" + dateArray[2]);
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// }
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}
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