package com.moral.andbrickslib.utils;
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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 java.util.Locale;
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public class TimeUtil {
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/**
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* 描述：获取表示当前日期时间的字符串.
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*
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* @param format 格式化字符串，如"yyyy-MM-dd HH:mm:ss"
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* @return String String类型的当前日期
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*/
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public static String getCurrentDate(String format) {
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String curDateTime = null;
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try {
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SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
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Calendar c = new GregorianCalendar();
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curDateTime = mSimpleDateFormat.format(c.getTime());
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} catch (Exception e) {
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e.printStackTrace();
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}
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return curDateTime;
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}
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public static String getDatebyLong(long date,String format){
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String curDateTime = null;
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try {
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SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
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Date d = new Date(date);
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curDateTime = mSimpleDateFormat.format(d);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return curDateTime;
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}
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/**
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* 获取当前时间后n天的日期
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*
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* @param format
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* @param day
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* @return
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*/
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public static String getAfterDate(String format, int day) {
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String curDateTime = null;
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try {
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SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
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Calendar c = Calendar.getInstance();
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c.add(Calendar.DATE, day);
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curDateTime = mSimpleDateFormat.format(c.getTime());
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} catch (Exception e) {
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e.printStackTrace();
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}
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return curDateTime;
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}
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/**
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* 获取日期间隔
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* @param time1
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* @param time2
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* @return
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*/
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public static long getDateInterval(String time1,String time2){
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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Date a1 = null;
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Date b1 = null;
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try {
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a1 = format.parse(time1);
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b1 = format.parse(time2);
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} catch (Exception e) {
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e.printStackTrace();
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}
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long day = (a1.getTime()-b1.getTime())/(24*60*60*1000);
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return day;
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}
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/**
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* 时间字符串比较 等于 1表示 s1大于等于s2
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*
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* @param s1
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* @param s2
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* @return
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*/
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public static int DateForStringCompare(String format, String s1, String s2) {
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// 设定时间的模板
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SimpleDateFormat formatter = new SimpleDateFormat(format);
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// 得到指定模范的时间
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Date d1 = null;
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Date d2 = null;
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try {
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d1 = formatter.parse(s1);
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d2 = formatter.parse(s2);
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} catch (Exception e) {
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return -1;
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}
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// 比较
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if ((d1.getTime() - d2.getTime()) >= 0) {
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return 1;
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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 Date date = null;
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public static DateFormat dateFormat = null;
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public static Calendar calendar = null;
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/**
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* 功能描述：格式化日期
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* @param dateStr
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* String 字符型日期
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* @param format
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* String 格式
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* @return Date 日期
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*/
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public static Date parseDate(String dateStr, String format) {
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try {
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dateFormat = new SimpleDateFormat(format);
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String dt = dateStr.replaceAll("-", "/");
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if ((!dt.equals("")) && (dt.length() < format.length())) {
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dt += format.substring(dt.length()).replaceAll("[YyMmDdHhSs]",
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"0");
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}
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date = (Date) dateFormat.parse(dt);
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} catch (Exception e) {
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}
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return date;
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}
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/**
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* 功能描述：格式化输出日期
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*
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* @param date
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* Date 日期
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* @param format
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* String 格式
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* @return 返回字符型日期
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*/
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public static String formatDate2String(Date date, String format) {
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String result = "";
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try {
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if (date != null) {
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dateFormat = new SimpleDateFormat(format);
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result = dateFormat.format(date);
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}
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} catch (Exception e) {
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}
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return result;
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}
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/**
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* 功能描述：返回年份
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*
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* @param date
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* Date 日期
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* @return 返回年份
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*/
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public static int getYear(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.YEAR);
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}
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/**
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* 功能描述：返回月份
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*
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* @param date
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* Date 日期
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* @return 返回月份
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*/
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public static int getMonth(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.MONTH) + 1;
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}
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/**
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* 功能描述：返回日份
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*
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* @param date
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* Date 日期
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* @return 返回日份
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*/
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public static int getDay(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.DAY_OF_MONTH);
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}
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/**
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* 功能描述：返回小时
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*
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* @param date
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* 日期
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* @return 返回小时
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*/
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public static int getHour(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.HOUR_OF_DAY);
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}
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/**
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* 功能描述：返回分钟
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*
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* @param date
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* 日期
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* @return 返回分钟
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*/
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public static int getMinute(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.MINUTE);
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}
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/**
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* 返回秒钟
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*
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* @param date
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* Date 日期
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* @return 返回秒钟
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*/
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public static int getSecond(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.SECOND);
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}
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/**
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* 功能描述：返回毫秒
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*
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* @param date
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* 日期
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* @return 返回毫秒
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*/
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public static long getMillis(Date date) {
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.getTimeInMillis();
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}
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/**
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* 功能描述：日期相加
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*
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* @param date
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* Date 日期
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* @param day
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* int 天数
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* @return 返回相加后的日期
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*/
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public static Date addDate(Date date, int day) {
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calendar = Calendar.getInstance();
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long millis = getMillis(date) + ((long) day) * 24 * 3600 * 1000;
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calendar.setTimeInMillis(millis);
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return calendar.getTime();
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}
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/**
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* 功能描述：日期相减
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*
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* @param date
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* Date 日期
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* @param date1
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* Date 日期
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* @return 返回相减后的日期
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*/
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public static int diffDate(Date date, Date date1) {
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return (int) ((getMillis(date) - getMillis(date1)) / (24 * 3600 * 1000));
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}
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/**
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* 功能描述：取得指定月份的第一天
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*
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* @param strdate
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* String 字符型日期
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* @return String yyyy-MM-dd 格式
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*/
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public static String getMonthBegin(String strdate,String format) {
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date = parseDate(strdate,format);
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return formatDate2String(date, "yyyy-MM") + "-01";
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}
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/**
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* 功能描述：取得指定月份的最后一天
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*
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* @param strdate
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* String 字符型日期
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* @return String 日期字符串 yyyy-MM-dd格式
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*/
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public static String getMonthEnd(String strdate,String format) {
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date = parseDate(getMonthBegin(strdate,format),format);
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.MONTH, 1);
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calendar.add(Calendar.DAY_OF_YEAR, -1);
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return formatDate2String(calendar.getTime(),format);
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}
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/**
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* 功能描述：以指定的格式来格式化日期
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*
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* @param date
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* Date 日期
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* @param format
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* String 格式
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* @return String 日期字符串
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*/
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public static String formatDateByFormat(Date date, String format) {
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String result = "";
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if (date != null) {
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try {
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SimpleDateFormat sdf = new SimpleDateFormat(format);
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result = sdf.format(date);
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 获取某天是星期几
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* @param date
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* @return
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*/
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public static String getMonthDayWeek(Date date) {
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Calendar c = Calendar.getInstance();
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c.setTime(date);
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int year = c.get(Calendar.YEAR); //获取年
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int month = c.get(Calendar.MONTH) + 1; //获取月份，0表示1月份
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int day = c.get(Calendar.DAY_OF_MONTH); //获取当前天数
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int week = c.get(Calendar.DAY_OF_WEEK);
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String weekStr = null;
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switch (week) {
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case Calendar.SUNDAY:
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weekStr = "周日";
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break;
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case Calendar.MONDAY:
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weekStr = "周一";
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break;
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case Calendar.TUESDAY:
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weekStr = "周二";
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break;
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case Calendar.WEDNESDAY:
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weekStr = "周三";
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break;
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case Calendar.THURSDAY:
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weekStr = "周四";
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break;
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case Calendar.FRIDAY:
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weekStr = "周五";
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break;
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case Calendar.SATURDAY:
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weekStr = "周六";
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break;
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}
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return month + "月" + day + "日" + "(" + weekStr + ")";
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}
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/**
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* 日期字符串转换为日期
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*
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* @param date 日期字符串
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* @param pattern 格式
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* @return 日期
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*/
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public static Date formatStringByFormat(String date, String pattern) {
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SimpleDateFormat sdf = new SimpleDateFormat(pattern);
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try {
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return sdf.parse(date);
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} catch (ParseException e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 获得口头时间字符串，如今天，昨天等
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*
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* @param d 时间格式为yyyy-MM-dd HH:mm:ss
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* @return 口头时间字符串
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*/
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public static String getTimeFriendly(String d) {
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Date date = formatStringByFormat(d, "yyyy-MM-dd HH:mm:ss");
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Calendar now = Calendar.getInstance();
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now.setTime(new Date());
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int nowYear = now.get(Calendar.YEAR);
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int nowMonth = now.get(Calendar.MONTH);
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int nowWeek = now.get(Calendar.WEEK_OF_MONTH);
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int nowDay = now.get(Calendar.DAY_OF_WEEK);
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int nowHour = now.get(Calendar.HOUR_OF_DAY);
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int nowMinute = now.get(Calendar.MINUTE);
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Calendar ca = Calendar.getInstance();
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if(date!=null)
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ca.setTime(date);
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else
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ca.setTime(new Date());
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int year = ca.get(Calendar.YEAR);
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int month = ca.get(Calendar.MONTH);
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int week = ca.get(Calendar.WEEK_OF_MONTH);
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int day = ca.get(Calendar.DAY_OF_WEEK);
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int hour = ca.get(Calendar.HOUR_OF_DAY);
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int minute = ca.get(Calendar.MINUTE);
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if (year != nowYear) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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//不同年份
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return sdf.format(date);
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} else {
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if (month != nowMonth) {
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//不同月份
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SimpleDateFormat sdf = new SimpleDateFormat("M月dd日");
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return sdf.format(date);
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} else {
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if (week != nowWeek) {
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//不同周
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SimpleDateFormat sdf = new SimpleDateFormat("M月dd日");
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return sdf.format(date);
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} else if (day != nowDay) {
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if (day + 1 == nowDay) {
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return "昨天" + formatDateByFormat(date, "HH:mm");
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}
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if (day + 2 == nowDay) {
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return "前天" + formatDateByFormat(date, "HH:mm");
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}
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//不同天
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SimpleDateFormat sdf = new SimpleDateFormat("M月dd日");
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return sdf.format(date);
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} else {
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//同一天
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int hourGap = nowHour - hour;
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if (hourGap == 0)//1小时内
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{
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if (nowMinute - minute < 1) {
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return "刚刚";
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} else {
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return (nowMinute - minute) + "分钟前";
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}
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} else if (hourGap >= 1 && hourGap <= 12) {
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return hourGap + "小时前";
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} else {
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SimpleDateFormat sdf = new SimpleDateFormat("今天 HH:mm");
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return sdf.format(date);
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}
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}
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}
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}
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}
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/**
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* 日期字符串转换为日期
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*
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* @param date 日期字符串
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* @param pattern 格式
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* @return 日期
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*/
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public static String reformatTime(String date, String pattern) {
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String fmt = "yyyy-MM-dd HH:mm:ss";
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SimpleDateFormat simple = new SimpleDateFormat(pattern);
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Date old = parseToDate(date, fmt);
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return simple.format(old);
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}
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/**
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* 字符串转换成日期.
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* @param dateString 日期字符
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* @param pattern 格式化.
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* @return
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*/
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public static Date parseToDate(String dateString,String pattern){
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if(pattern==null || "".equals(pattern)){
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pattern="yyyy-MM-dd HH:mm:ss";
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}
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SimpleDateFormat formatter = new SimpleDateFormat(pattern, Locale.getDefault());
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try {
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return formatter.parse(dateString);
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} catch (ParseException e) {
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}
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return new Date();
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}
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/**
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* 解析日期
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* @param str
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* @param formFormat
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* @param toFormat
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* @return
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*/
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public static String getDateToString(String str,String formFormat,String toFormat) {
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SimpleDateFormat sFormatter = new SimpleDateFormat(formFormat);
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Date date = null;
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try {
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date = sFormatter.parse(str);
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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SimpleDateFormat pFormatter = new SimpleDateFormat(toFormat);
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String time = pFormatter.format(date);
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return time;
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}
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}
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