package com.vcredit.ddcash.decision.utils;
import java.sql.Timestamp;
import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import org.apache.commons.lang3.StringUtils;
/**
* @ClassName: DateFormatUtil * @Description:与Date相关的公用类 * @author dk * @date 2014年12月5日 下午2:29:31 * */public class DateFormatUtil { private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static final String ENG_DATE_FROMAT = "EEE, d MMM yyyy HH:mm:ss z"; public static final String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss"; public static final String YYYY_MM_DD_HH_MM = "yyyy-MM-dd HH:mm"; public static final String MM_DD_HH_MM = "MM-dd HH:mm"; public static final String MM_DD_HH_MM_CN = "MM月dd日 HH:mm"; public static final String YYYY_MM_DD = "yyyy-MM-dd"; public static final String YYYY = "yyyy"; public static final String MM = "MM"; public static final String DD = "dd";/**
* @Title: dateToString * @Description: TODO(这里用一句话描述这个方法的作用) * @param @param date * @param @param formate * @param @return 设定文件 * @return String 返回类型 * @throws */ public static String dateToString(Date date, String formate) { if (date == null) { return ""; } DateFormat dateFormat = new SimpleDateFormat(formate); return dateFormat.format(date); }public static String dateToString(Date date) {
if (date == null) { return ""; } DateFormat dateFormat = new SimpleDateFormat(YYYY_MM_DD); return dateFormat.format(date); }public static String datetime2String(Date date) {
if (date == null) { return ""; } return sdf.format(date); }/**
* 得到本周周一 * * @return yyyy-MM-dd */ public static String getMondayOfThisWeek() { Calendar c = Calendar.getInstance(); int dayofweek = c.get(Calendar.DAY_OF_WEEK) - 1; if (dayofweek == 0) dayofweek = 7; c.add(Calendar.DATE, -dayofweek + 1); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(c.getTime()); }/**
* 得到本周周日 * * @return yyyy-MM-dd */ public static String getSundayOfThisWeek() { Calendar c = Calendar.getInstance(); int dayofweek = c.get(Calendar.DAY_OF_WEEK) - 1; if (dayofweek == 0) dayofweek = 7; c.add(Calendar.DATE, -dayofweek + 7); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(c.getTime()); }/**
* @描述 —— 格式化日期对象 */ public static Date date2date(Date date, String formatStr) { SimpleDateFormat sdf = new SimpleDateFormat(formatStr); String str = sdf.format(date); try { date = sdf.parse(str); } catch (Exception e) { return null; } return date; }/**
* @描述 —— sql时间对象转换成字符串 */ public static String timestamp2string(Timestamp timestamp, String formatStr) { String strDate = ""; SimpleDateFormat sdf = new SimpleDateFormat(formatStr); strDate = sdf.format(timestamp); return strDate; }/**
* @描述 —— 字符串转换成时间对象 */ public static Date string2date(String dateString, String formatStr) { if (StringUtils.isBlank(dateString)) { return null; } Date formateDate = null; DateFormat format = new SimpleDateFormat(formatStr); try { formateDate = format.parse(dateString); } catch (ParseException e) { return null; } return formateDate; }/**
* @描述 —— Date类型转换为Timestamp类型 */ public static Timestamp date2timestamp(Date date) { if (date == null) return null; return new Timestamp(date.getTime()); }/**
* @描述 —— 获得当前年份 */ public static String getNowYear() { SimpleDateFormat sdf = new SimpleDateFormat(YYYY); return sdf.format(new Date()); }/**
* @描述 —— 获得当前月份 */ public static String getNowMonth() { SimpleDateFormat sdf = new SimpleDateFormat(MM); return sdf.format(new Date()); }/**
* @描述 —— 获得当前日期中的日 */ public static String getNowDay() { SimpleDateFormat sdf = new SimpleDateFormat(DD); return sdf.format(new Date()); }/**
* @描述 —— 指定时间距离当前时间的中文信息 */ public static String getLnow(long time) { Calendar cal = Calendar.getInstance(); long timel = cal.getTimeInMillis() - time; if (timel / 1000 < 60) { return "1分钟以内"; } else if (timel / 1000 / 60 < 60) { return timel / 1000 / 60 + "分钟前"; } else if (timel / 1000 / 60 / 60 < 24) { return timel / 1000 / 60 / 60 + "小时前"; } else { return timel / 1000 / 60 / 60 / 24 + "天前"; } }/**
* 当前时间一星期前的时间 * * @return */ public static final String getLastWeek() {Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date()); calendar.add(Calendar.DATE, -7); return sdf.format(calendar.getTime()); }/**
* 获取当前日期的指定格式的字符串 * * @param format * 指定的日期时间格式，若为null或""则使用指定的格式"yyyy-MM-dd HH:mm" * @return */ public static String getCurrentTime(String format) { if (format == null || format.trim().equals("")) { sdf.applyPattern(YYYY_MM_DD_HH_MM_SS); } else { sdf.applyPattern(format); } return sdf.format(new Date()); }public static String getCurrentDate() {
return dateToString(new Date(), YYYY_MM_DD_HH_MM_SS); }public static Boolean checkIsTime(String time) {
DateFormat format = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS); try { format.parse(time); } catch (ParseException e) { return false; } return true; }/**
* 比较日期先后 * * @param date * @param interval * @return boolean */ public static boolean isExpired(Date date, int interval) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DATE, interval); Calendar now = Calendar.getInstance(); return calendar.before(now); }public static Date string2date(String value) {
if (StringUtils.isBlank(value)) { return null; } return string2date(value, "yyyy-MM-dd"); }public static String string2string(String value, String from, String to) {
return dateToString(string2date(value, from), to); }/**
* 加1天 * * @param value * @return Date */ public static Date addOneDay(String value) { return addDays(value, 1); }public static Date addOneDay(Date value) {
return addDays(value, 1); }public static Date addDays(String value, int num) {
return addDays(string2date(value), num); }public static Date addDays(Date value, int num) {
Calendar c = Calendar.getInstance(); c.setTime(value); c.add(Calendar.DATE, num); return c.getTime(); }public static Date addMonth(Date value, int num) {
Calendar c = Calendar.getInstance(); c.setTime(value); c.add(Calendar.MONTH, num); return c.getTime(); }public static int getBetweenTwoDays(Date start, Date end) {
if (start == null) { return 0; } if (end == null) { end = new Date(); } long longs = (end.getTime() - start.getTime()); int days = (int) (longs / (24 * 60 * 60 * 1000)); return days; }public static int getBetweenTwoDays(String start, String end) {
return getBetweenTwoDays(string2date(start), string2date(end)); }/**
* 获取当前日期(只精确到天) */ public static Date getNow() { return date2date(new Date(), "yyyy-MM-dd"); }/**
* 获取明天日期（精确到天） */ public static Date getTomorrow() { return addOneDay(getNow()); }public static String now() {
return datetime2String(getNow()); }public static Date getLastMonth() {
return addMonth(getNow(), -1); }public static Date getNextMonth() {
return addMonth(getNow(), 1); }public static Integer getAge(String identityNo) {
String birthDay = CommonUtils.getIdentityBirth(identityNo); int days = getBetweenTwoDays(string2date(birthDay, "yyyy-MM-dd"), new Date()); return days / 365; }}