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java判断今天,昨天,前天,不能用秒间隔的简单实例

2024-07-13 10:05:29
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实例如下:

一 json optString 解析的TimesTamp string二 long dateSec = (long) (Double.valueOf(timestamp) * 1000);三 Date date=new Date(dateSec);四 getTimestampString(date);public static String getTimestampString(Date paramDate) {    String str = null;    long l = paramDate.getTime();    Calendar localCalendar = GregorianCalendar.getInstance();    localCalendar.setTime(paramDate);    int year = localCalendar.get(Calendar.YEAR);    if(! isSameYear(year)){ //去年,直接返回      String paramDate2str = new SimpleDateFormat("yyyy MM dd", Locale.CHINA).format(paramDate);      return paramDate2str;    }    if (isSameDay(l)) {      int i = localCalendar.get(Calendar.HOUR_OF_DAY);      if (i > 17) {        str = "晚上 HH:mm";//HH表示24小时,hh表示12小时进制,      } else if ((i >= 0) && (i <= 6)) {        str = "凌晨 HH:mm";      } else if ((i > 11) && (i <= 17)) {        str = "下午 HH:mm";      } else {        str = "上午 HH:mm";      }    } else if (isYesterday(l)) {      str = "昨天 HH:mm";    } else if (isBeforeYesterday(l)) {      str = "前天 HH:mm";    } else {      str = "M月d日 HH:mm";    }    String paramDate2str = new SimpleDateFormat(str, Locale.CHINA).format(paramDate);    return paramDate2str;  }。。。//  获取 今天开始结束 时间 public static TimeInfo getTodayStartAndEndTime() {    Calendar localCalendar1 = Calendar.getInstance();    localCalendar1.set(Calendar.HOUR_OF_DAY, 0);    localCalendar1.set(Calendar.MINUTE, 0);    localCalendar1.set(Calendar.SECOND, 0);    localCalendar1.set(Calendar.MILLISECOND, 0);    Date localDate1 = localCalendar1.getTime();    long l1 = localDate1.getTime();    Calendar localCalendar2 = Calendar.getInstance();    localCalendar2.set(Calendar.HOUR_OF_DAY, 23);    localCalendar2.set(Calendar.MINUTE, 59);    localCalendar2.set(Calendar.SECOND, 59);    localCalendar2.set(Calendar.MILLISECOND, 999);    Date localDate2 = localCalendar2.getTime();    long l2 = localDate2.getTime();    TimeInfo localTimeInfo = new TimeInfo();    localTimeInfo.setStartTime(l1);    localTimeInfo.setEndTime(l2);    return localTimeInfo;  }//  获取 昨天开始结束 时间  public static TimeInfo getYesterdayStartAndEndTime() {    Calendar localCalendar1 = Calendar.getInstance();    localCalendar1.add(Calendar.DAY_OF_MONTH, -1);//5    localCalendar1.set(Calendar.HOUR_OF_DAY, 0);//11    localCalendar1.set(Calendar.MINUTE, 0);//12    localCalendar1.set(Calendar.SECOND, 0);//13    localCalendar1.set(Calendar.MILLISECOND, 0);//Calendar.MILLISECOND    Date localDate1 = localCalendar1.getTime();    long l1 = localDate1.getTime();    Calendar localCalendar2 = Calendar.getInstance();    localCalendar2.add(Calendar.DAY_OF_MONTH, -1);//5    localCalendar2.set(Calendar.HOUR_OF_DAY, 23);//11    localCalendar2.set(Calendar.MINUTE, 59);//12    localCalendar2.set(Calendar.SECOND, 59);//13    localCalendar2.set(Calendar.MILLISECOND, 999);//Calendar.MILLISECOND    Date localDate2 = localCalendar2.getTime();    long l2 = localDate2.getTime();    TimeInfo localTimeInfo = new TimeInfo();    localTimeInfo.setStartTime(l1);    localTimeInfo.setEndTime(l2);    return localTimeInfo;  }//  获取 前天开始结束 时间  public static TimeInfo getBeforeYesterdayStartAndEndTime() {    Calendar localCalendar1 = Calendar.getInstance();    localCalendar1.add(Calendar.DAY_OF_MONTH, -2);    localCalendar1.set(Calendar.HOUR_OF_DAY, 0);    localCalendar1.set(Calendar.MINUTE, 0);    localCalendar1.set(Calendar.SECOND, 0);    localCalendar1.set(Calendar.MILLISECOND, 0);    Date localDate1 = localCalendar1.getTime();    long l1 = localDate1.getTime();    Calendar localCalendar2 = Calendar.getInstance();    localCalendar2.add(Calendar.DAY_OF_MONTH, -2);    localCalendar2.set(Calendar.HOUR_OF_DAY, 23);    localCalendar2.set(Calendar.MINUTE, 59);    localCalendar2.set(Calendar.SECOND, 59);    localCalendar2.set(Calendar.MILLISECOND, 999);    Date localDate2 = localCalendar2.getTime();    long l2 = localDate2.getTime();    TimeInfo localTimeInfo = new TimeInfo();    localTimeInfo.setStartTime(l1);    localTimeInfo.setEndTime(l2);    return localTimeInfo;  }  private static boolean isSameDay(long paramLong) {    TimeInfo localTimeInfo = getTodayStartAndEndTime();    return (paramLong > localTimeInfo.getStartTime()) && (paramLong < localTimeInfo.getEndTime());  }  private static boolean isYesterday(long paramLong) {    TimeInfo localTimeInfo = getYesterdayStartAndEndTime();    return (paramLong > localTimeInfo.getStartTime()) && (paramLong < localTimeInfo.getEndTime());  }  private static boolean isBeforeYesterday(long paramLong) {    TimeInfo localTimeInfo = getBeforeYesterdayStartAndEndTime();    return (paramLong > localTimeInfo.getStartTime()) && (paramLong < localTimeInfo.getEndTime());  }  public static boolean isSameYear(int year) {    Calendar cal = Calendar.getInstance();    int CurYear = cal.get(Calendar.YEAR);//    Log.e("","CurYear="+CurYear);//2015    return CurYear==year;  }。。。。。。public class TimeInfo {  private long startTime;  private long endTime;  public long getStartTime() {    return this.startTime;  }  public void setStartTime(long paramLong) {    this.startTime = paramLong;  }  public long getEndTime() {    return this.endTime;  }  public void setEndTime(long paramLong) {    this.endTime = paramLong;  }}

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