java 前天_java 判断今天 昨天 前天...

private String parseDate(String createTime){

try {

String ret = "";

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

long create = sdf.parse(createTime).getTime();

Calendar now = Calendar.getInstance();

long ms  = 1000*(now.get(Calendar.HOUR_OF_DAY)*3600+now.get(Calendar.MINUTE)*60+now.get(Calendar.SECOND));//毫秒数

long ms_now = now.getTimeInMillis();

if(ms_now-create

ret = "今天";

}else if(ms_now-create

ret = "昨天";

}else if(ms_now-create

ret = "前天";

}else{

ret= "更早";

}

return ret;

} catch (Exception e) {

e.printStackTrace();

}

return null;

}

还可以定义

刚刚