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org.springframework.biz.utils.DateUtils Maven / Gradle / Ivy
package org.springframework.biz.utils;
import java.text.ParseException;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
private static String[] parsePatterns = { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM", "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss",
"yyyy.MM.dd HH:mm", "yyyy.MM" };
/*
* 得到当前日期字符串 格式(yyyy-MM-dd)
*/
public static String getDate() {
return getDate("yyyy-MM-dd");
}
/*
* 得到当前日期字符串 格式(yyyy-MM-dd) pattern可以为:"yyyy-MM-dd" "HH:mm:ss" "E"
*/
public static String getDate(String pattern) {
return DateFormatUtils.format(new Date(), pattern);
}
/*
* 得到日期字符串 默认格式(yyyy-MM-dd) pattern可以为:"yyyy-MM-dd" "HH:mm:ss" "E"
*/
public static String formatDate(Date date, Object... pattern) {
String formatDate = null;
if (pattern != null && pattern.length > 0) {
formatDate = DateFormatUtils.format(date, pattern[0].toString());
} else {
formatDate = DateFormatUtils.format(date, "yyyy-MM-dd");
}
return formatDate;
}
/*
* 得到日期时间字符串,转换格式(yyyy-MM-dd HH:mm:ss)
*/
public static String formatDateTime(Date date) {
return formatDate(date, "yyyy-MM-dd HH:mm:ss");
}
/*
* 得到当前时间字符串 格式(HH:mm:ss)
*/
public static String getTime() {
return formatDate(new Date(), "HH:mm:ss");
}
/*
* 得到当前日期和时间字符串 格式(yyyy-MM-dd HH:mm:ss)
*/
public static String getDateTime() {
return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
}
/*
* 得到当前年份字符串 格式(yyyy)
*/
public static String getYear() {
return formatDate(new Date(), "yyyy");
}
/*
* 得到当前月份字符串 格式(MM)
*/
public static String getMonth() {
return formatDate(new Date(), "MM");
}
/*
* 得到当天字符串 格式(dd)
*/
public static String getDay() {
return formatDate(new Date(), "dd");
}
/*
* 得到当前星期字符串 格式(E)星期几
*/
public static String getWeek() {
return formatDate(new Date(), "E");
}
/*
* 日期型字符串转化为日期 格式 { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm",
* "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy.MM.dd",
* "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm" }
*/
public static Date parseDate(Object str) {
if (str == null) {
return null;
}
try {
return parseDate(str.toString(), parsePatterns);
} catch (ParseException e) {
return null;
}
}
/*
* 获取过去的天数
* @param date
*/
public static long pastDays(Date date) {
long t = new Date().getTime() - date.getTime();
return t / (24 * 60 * 60 * 1000);
}
/*
* 获取过去的小时
*
* @param date
*/
public static long pastHour(Date date) {
long t = new Date().getTime() - date.getTime();
return t / (60 * 60 * 1000);
}
/*
* 获取过去的分钟
*
* @param date
*/
public static long pastMinutes(Date date) {
long t = new Date().getTime() - date.getTime();
return t / (60 * 1000);
}
/*
* 转换为时间(天,时:分:秒.毫秒)
*
* @param timeMillis
*/
public static String formatDateTime(long timeMillis) {
long day = timeMillis / (24 * 60 * 60 * 1000);
long hour = (timeMillis / (60 * 60 * 1000) - day * 24);
long min = ((timeMillis / (60 * 1000)) - day * 24 * 60 - hour * 60);
long s = (timeMillis / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
long sss = (timeMillis - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000 - min * 60 * 1000 - s * 1000);
return (day > 0 ? day + "," : "") + hour + ":" + min + ":" + s + "." + sss;
}
/*
* 获取两个日期之间的天数
*
* @param before
* @param after
*/
public static double getDistanceOfTwoDate(Date before, Date after) {
long beforeTime = before.getTime();
long afterTime = after.getTime();
return (afterTime - beforeTime) / (1000 * 60 * 60 * 24);
}
/*
* @param args
* @throws ParseException
*/
public static void main(String[] args) throws ParseException {
// System.out.println(formatDate(parseDate("2010/3/6")));
// System.out.println(getDate("yyyy年MM月dd日 E"));
// long time = new Date().getTime()-parseDate("2012-11-19").getTime();
// System.out.println(time/(24*60*60*1000));
}
}