package org.jeecg.modules.mdc.util;
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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.Locale;
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import java.util.TimeZone;
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/**
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* Created by bigshow on 2015/9/14.
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*/
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public class TimeFieldUtils {
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private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 全局显示定义最省事安全
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/**
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* 指定日期的上一天
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*
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* @param date
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* @return
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*/
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public static Date theLastDay(Date date) {
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if (date == null) {
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return null;
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}
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(date);
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cal.add(Calendar.DATE, -1);
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cal.set(Calendar.HOUR, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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return cal.getTime();
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}
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/**
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* 指定日期的上一天
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*
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* @param dateStr
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* @return
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*/
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public static Date theLastDay(String dateStr) {
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if (dateStr == null || dateStr.length() < 7) {
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return null;
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}
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try {
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(sdf.parse(dateStr + " 00:00:00"));
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cal.add(Calendar.DATE, -1);
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cal.set(Calendar.HOUR, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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return cal.getTime();
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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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/**
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* 指定日期的下一天
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*
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* @param date
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* @return
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*/
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public static Date theNextDay(Date date) {
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if (date == null) {
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return null;
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}
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(date);
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cal.add(Calendar.DATE, 1);
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cal.set(Calendar.HOUR, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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return cal.getTime();
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}
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/**
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* 指定日期的下一天
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*
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* @param dateStr
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* @return
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*/
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public static Date theNextDay(String dateStr) {
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if (dateStr == null || dateStr.length() < 7) {
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return null;
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}
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try {
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(sdf.parse(dateStr + " 00:00:00"));
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cal.add(Calendar.DATE, 1);
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cal.set(Calendar.HOUR, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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return cal.getTime();
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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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/**
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* 判断两个日期是否同一天
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*
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* @param d1
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* @param d2
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* @return
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*/
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public static boolean isEquals(Date d1, Date d2) {
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Calendar cal1 = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal1.get(Calendar.HOUR_OF_DAY);
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cal1.setTime(d1);
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cal1.get(Calendar.HOUR_OF_DAY);
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Calendar cal2 = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal2.get(Calendar.HOUR_OF_DAY);
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cal2.setTime(d2);
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cal2.get(Calendar.HOUR_OF_DAY);
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if (cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH) && cal1.get(Calendar.DATE) == cal2.get(Calendar.DATE)) {
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return true;
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}
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return false;
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}
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/**
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* 指定日期的最大时间
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*
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* @param date
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* @return
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*/
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public static Date theDayMaxTime(Date date) {
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if (date == null) {
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return null;
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}
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(date);
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//cal.add(Calendar.DATE, 1);
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//cal.set(Calendar.HOUR, 0);
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//cal.set(Calendar.MINUTE, 0);
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//cal.set(Calendar.SECOND, 0);
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String maxTime = cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) + "-" + cal.get(Calendar.DATE) + " 23:59:59";
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try {
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return sdf.parse(maxTime);
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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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/**
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* 指定日期的最小时间
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*
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* @param date
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* @return
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*/
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public static Date theDayMiniTime(Date date) {
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if (date == null) {
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return null;
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}
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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cal.get(Calendar.HOUR_OF_DAY);
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cal.setTime(date);
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cal.set(Calendar.HOUR, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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return cal.getTime();
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}
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/**
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* 计算两个时间间隔长度,单位秒
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*
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* @param lessTime
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* @param moreTime
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* @return
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*/
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public static long duration(Date lessTime, Date moreTime) {
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Calendar lCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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lCal.get(Calendar.HOUR_OF_DAY);
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lCal.setTime(lessTime);
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Calendar mCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
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lCal.get(Calendar.HOUR_OF_DAY);
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mCal.setTime(moreTime);
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long between = Math.round((mCal.getTime().getTime() - lCal.getTime().getTime()) / 1000.0);//转换成秒
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return between;
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}
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/**
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* 计算同一天 两个时间间隔长度,单位秒
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*
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* @param startStr
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* @param endStr
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* @return
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*/
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public static long durationOneDay(String startStr, String endStr,String isDaySpan) {
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String[] strartArray = startStr.split(":");
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String[] endArray = endStr.split(":");
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Calendar start = Calendar.getInstance();
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Calendar end = Calendar.getInstance();
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start.set(Calendar.HOUR_OF_DAY,Integer.parseInt(strartArray[0]));
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start.set(Calendar.MINUTE,Integer.parseInt(strartArray[1]));
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start.set(Calendar.SECOND,Integer.parseInt(strartArray[2]));
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end.set(Calendar.HOUR_OF_DAY,Integer.parseInt(endArray[0]));
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end.set(Calendar.MINUTE,Integer.parseInt(endArray[1]));
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end.set(Calendar.SECOND,Integer.parseInt(endArray[2]));
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if("true".equals(isDaySpan)){
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end.add(Calendar.DAY_OF_YEAR,1);
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}
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return duration(start.getTime(),end.getTime());
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}
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}
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