java判断今天,昨天,前天,不能用秒间隔的简单实例
实例如下：
一jsonoptString解析的TimesTampstring
二longdateSec=(long)(Double.valueOf(timestamp)*1000);
三Datedate=newDate(dateSec);
四getTimestampString(date);
publicstaticStringgetTimestampString(DateparamDate){
Stringstr=null;
longl=paramDate.getTime();
CalendarlocalCalendar=GregorianCalendar.getInstance();
localCalendar.setTime(paramDate);
intyear=localCalendar.get(Calendar.YEAR);
if(!isSameYear(year)){//去年，直接返回
StringparamDate2str=newSimpleDateFormat("yyyyMMdd",Locale.CHINA).format(paramDate);
returnparamDate2str;
}
if(isSameDay(l)){
inti=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，
}elseif((i>=0)&&(i<=6)){
str="凌晨HH:mm";
}elseif((i>11)&&(i<=17)){
str="下午HH:mm";
}else{
str="上午HH:mm";
}
}elseif(isYesterday(l)){
str="昨天HH:mm";
}elseif(isBeforeYesterday(l)){
str="前天HH:mm";
}else{
str="M月d日HH:mm";
}
StringparamDate2str=newSimpleDateFormat(str,Locale.CHINA).format(paramDate);
returnparamDate2str;
}
。。。
//获取今天开始结束时间
publicstaticTimeInfogetTodayStartAndEndTime(){
CalendarlocalCalendar1=Calendar.getInstance();
localCalendar1.set(Calendar.HOUR_OF_DAY,0);
localCalendar1.set(Calendar.MINUTE,0);
localCalendar1.set(Calendar.SECOND,0);
localCalendar1.set(Calendar.MILLISECOND,0);
DatelocalDate1=localCalendar1.getTime();
longl1=localDate1.getTime();
CalendarlocalCalendar2=Calendar.getInstance();
localCalendar2.set(Calendar.HOUR_OF_DAY,23);
localCalendar2.set(Calendar.MINUTE,59);
localCalendar2.set(Calendar.SECOND,59);
localCalendar2.set(Calendar.MILLISECOND,999);
DatelocalDate2=localCalendar2.getTime();
longl2=localDate2.getTime();
TimeInfolocalTimeInfo=newTimeInfo();
localTimeInfo.setStartTime(l1);
localTimeInfo.setEndTime(l2);
returnlocalTimeInfo;
}
//获取昨天开始结束时间
publicstaticTimeInfogetYesterdayStartAndEndTime(){
CalendarlocalCalendar1=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
DatelocalDate1=localCalendar1.getTime();
longl1=localDate1.getTime();
CalendarlocalCalendar2=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
DatelocalDate2=localCalendar2.getTime();
longl2=localDate2.getTime();
TimeInfolocalTimeInfo=newTimeInfo();
localTimeInfo.setStartTime(l1);
localTimeInfo.setEndTime(l2);
returnlocalTimeInfo;
}
//获取前天开始结束时间
publicstaticTimeInfogetBeforeYesterdayStartAndEndTime(){
CalendarlocalCalendar1=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);
DatelocalDate1=localCalendar1.getTime();
longl1=localDate1.getTime();
CalendarlocalCalendar2=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);
DatelocalDate2=localCalendar2.getTime();
longl2=localDate2.getTime();
TimeInfolocalTimeInfo=newTimeInfo();
localTimeInfo.setStartTime(l1);
localTimeInfo.setEndTime(l2);
returnlocalTimeInfo;
}
privatestaticbooleanisSameDay(longparamLong){
TimeInfolocalTimeInfo=getTodayStartAndEndTime();
return(paramLong>localTimeInfo.getStartTime())&&(paramLonglocalTimeInfo.getStartTime())&&(paramLonglocalTimeInfo.getStartTime())&&(paramLong上一篇
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