public final static String getTimeString() {
String TimeString = "";
Calendar c = Calendar.getInstance();
int yyyy = c.get(Calendar.YEAR);
int mm = c.get(Calendar.MONTH) + 1;
int dd = c.get(Calendar.DAY_OF_MONTH);
int hh = c.get(Calendar.HOUR) + 8;//中国属于东八区,时间加8小时
int MM = c.get(Calendar.MINUTE);
int SS = c.get(Calendar.SECOND);
String sMonth = mm < 10 ? "0" + mm : "" + mm;
String sDay = dd < 10 ? "0" + dd : "" + dd;
String sHour = hh < 10 ? "0" + hh : "" + hh;
String sMinute = MM < 10 ? "0" + MM : "" + MM;
String sSecond = SS < 10 ? "0" + SS : "" + SS;
TimeString = yyyy + "." + sMonth + "." + sDay + " " + sHour + ":"+ sMinute + ":" + sSecond;
return TimeString;
}