基于Android的软件订单管理系统.zip

package com.example.lyq.software.utils; /** * Created by lyq on 2018/3/20. */ import java.text.DateFormat; import java.text.ParseException; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import android.annotation.SuppressLint; /** * 时间、日期工具类 * Created by fanji on 2017/7/19. */ public class DateTimeUtil { static SimpleDateFormat format; /** 日期格式：yyyy-MM-dd HH:mm:ss **/ public static final String DF_YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss"; /** 日期格式：yyyy-MM-dd HH:mm **/ public static final String DF_YYYY_MM_DD_HH_MM = "yyyy-MM-dd HH:mm"; /** 日期格式：yyyy-MM-dd **/ public static final String DF_YYYY_MM_DD = "yyyy-MM-dd"; /** 日期格式：HH:mm:ss **/ public static final String DF_HH_MM_SS = "HH:mm:ss"; /** 日期格式：HH:mm **/ public static final String DF_HH_MM = "HH:mm"; private final static long minute = 60 * 1000;// 1分钟 private final static long hour = 60 * minute;// 1小时 private final static long day = 24 * hour;// 1天 private final static long month = 31 * day;// 月 private final static long year = 12 * month;// 年 public DateTimeUtil() { } /** * 将日期格式化成友好的字符串：几分钟前、几小时前、几天前、几月前、几年前、刚刚 * * @param date * @return */ public static String formatFriendly(Date date) { if (date == null) { return null; } long diff = new Date().getTime() - date.getTime(); long r = 0; if (diff > year) { r = (diff / year); return r + "年前"; } if (diff > month) { r = (diff / month); return r + "个月前"; } if (diff > day) { r = (diff / day); return r + "天前"; } if (diff > hour) { r = (diff / hour); return r + "个小时前"; } if (diff > minute) { r = (diff / minute); return r + "分钟前"; } return "刚刚"; } /** * 将日期以yyyy-MM-dd HH:mm:ss格式化 * * @param dateL * 日期 * @return */ @SuppressLint("SimpleDateFormat") public static String formatDateTime(long dateL) { SimpleDateFormat sdf = new SimpleDateFormat(DF_YYYY_MM_DD_HH_MM_SS); Date date = new Date(dateL); return sdf.format(date); } /** * 将日期以yyyy-MM-dd HH:mm:ss格式化 * * @param dateL * 日期 * @return */ @SuppressLint("SimpleDateFormat") public static String formatDateTime(long dateL, String formater) { SimpleDateFormat sdf = new SimpleDateFormat(formater); return sdf.format(new Date(dateL)); } /** * 将日期以yyyy-MM-dd HH:mm:ss格式化 * @param date 日期 * @param formater * @return */ @SuppressLint("SimpleDateFormat") public static String formatDateTime(Date date, String formater) { SimpleDateFormat sdf = new SimpleDateFormat(formater); return sdf.format(date); } /** * 将日期字符串转成日期 * * @param strDate * 字符串日期 * @return java.util.date日期类型 */ @SuppressLint("SimpleDateFormat") public static Date parseDate(String strDate) { DateFormat dateFormat = new SimpleDateFormat(DF_YYYY_MM_DD_HH_MM_SS); Date returnDate = null; try { returnDate = dateFormat.parse(strDate); } catch (ParseException e) { } return returnDate; } /** * 获取系统当前日期 * * @return */ public static Date gainCurrentDate() { return new Date(); } /** * 验证日期是否比当前日期早 * * @param target1 * 比较时间1 * @param target2 * 比较时间2 * @return true 则代表target1比target2晚或等于target2，否则比target2早 */ public static boolean compareDate(Date target1, Date target2) { boolean flag = false; try { String target1DateTime = formatDateTime(target1, DF_YYYY_MM_DD_HH_MM_SS); String target2DateTime = formatDateTime(target2, DF_YYYY_MM_DD_HH_MM_SS); if (target1DateTime.compareTo(target2DateTime) <= 0) { flag = true; } } catch (Exception e) { System.out.println("比较失败，原因：" + e.getMessage()); } return flag; } /** * 对日期进行增加操作 * * @param target * 需要进行运算的日期 * @param hour * 小时 * @return */ public static Date addDateTime(Date target, double hour) { if (null == target || hour < 0) { return target; } return new Date(target.getTime() + (long) (hour * 60 * 60 * 1000)); } /** * 对日期进行相减操作 * * @param target * 需要进行运算的日期 * @param hour * 小时 * @return */ public static Date subDateTime(Date target, double hour) { if (null == target || hour < 0) { return target; } return new Date(target.getTime() - (long) (hour * 60 * 60 * 1000)); } /** 获取系统时间的方法:月/日 时:分:秒 */ public static String getFormateDate() { Calendar calendar = Calendar.getInstance(); int month = (calendar.get(Calendar.MONTH) + 1); int day = calendar.get(Calendar.DAY_OF_MONTH); int hour = calendar.get(Calendar.HOUR_OF_DAY); int minute = calendar.get(Calendar.MINUTE); int second = calendar.get(Calendar.SECOND); String systemTime = (month < 10 ? "0" + month : month) + "/" + (day < 10 ? "0" + day : day) + " " + (hour < 10 ? "0" + hour : hour) + ":" + (minute < 10 ? "0" + minute : minute) + ":" + (second < 10 ? "0" + second : second); return systemTime; } /** 获取系统时间的方法:时:分:秒 */ public static String getHourAndMinute() { Calendar calendar = Calendar.getInstance(); int hour = calendar.get(Calendar.HOUR_OF_DAY); int minute = calendar.get(Calendar.MINUTE); return (hour < 10 ? "0" + hour : hour) + ":" + (minute < 10 ? "0" + minute : minute); } /** 获取系统时间的方法:时 */ public static String getHour() { Calendar calendar = Calendar.getInstance(); int hour = calendar.get(Calendar.HOUR_OF_DAY); return ((hour < 10 ? "0" + hour : hour) + ""); } /** * 将2017-07-10 00:00:00 换2017-07-10 * * @param strDate * @return */ public static String strFormatStr(String strDate) { if (strDate.equals("")) { return ""; } return dateToStr(strToDate(strDate)); } /** * 2015-01-07 15:05:34 * * @param strDate * @return */ @SuppressLint("SimpleDateFormat") public static Date strToDateHHMMSS(String strDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); ParsePosition pos = new ParsePosition(0); Date strtodate = formatter.parse(strDate, pos); return strtodate; } /** * 2015-01-07 * * @param strDate * @return */ @SuppressLint("SimpleDateFormat") public static Date strToDate(String strDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); ParsePosition pos = new ParsePosition(0); Date strtodate = formatter.parse(strDate, pos); return strtodate; } /** * 2015.01.07 * * @param strDate * @return */