private static SimpleDateFormat sdf = new SimpleDateFormat(“yyyy-MM-dd”);
private static SimpleDateFormat sdfTime = new SimpleDateFormat(“HH:mm:ss”);
private static AtomicInteger atomicToDo = new AtomicInteger(0);
private static AtomicInteger atomicDayCommand = new AtomicInteger(0);
//初始化应用启动时间,用于第一次比较
private static Date oldDate;
static {
try {
oldDate = sdf.parse(sdf.format(new Date()));
} catch (ParseException e) {
e.printStackTrace();
}
}
private static String getSeq(String subtopic){
StringBuffer sb = new StringBuffer();
Date date = new Date();
String sdfStr = sdf.format(date);
String[] strings = sdfStr.split("-");
//如果是下一天,则将值归为0
if(isNextDay(sdfStr)){
atomicToDo.set(0);
atomicDayCommand.set(0);
};
String[] hm = sdfTime.format(date).split(":");
sb.append("011500");
//年月日时分
sb.append(strings[0]);
sb.append(strings[1]);
sb.append(strings[2]);
sb.append(hm[0]);
sb.append(hm[1]);
//主题最后一位
sb.append(subtopic);
if("8".equals(subtopic)){
int todo = atomicToDo.incrementAndGet();
sb.append( String.format("%03d",todo));
}else if("6".equals(subtopic)){
int cond = atomicDayCommand.incrementAndGet();
sb.append( String.format("%03d",cond));
}
//每次记录上一次的时间
try {
oldDate =sdf.parse(sdfStr);
} catch (ParseException e) {
e.printStackTrace();
}
return sb.toString();
}
private static boolean isNextDay(String dateStr){
try {
Date now = sdf.parse(dateStr);
if(now.after(oldDate)){
return true;
}
} catch (ParseException e) {
e.printStackTrace();
}
return false;
}