//將GMT格式的時間轉換成yyyy-MM-dd HH:mm:ss格式
public String changeGmtTimeToDateTime(String GMTTime) {
    SimpleDateFormat sf = new SimpleDateFormat("EEE MMM dd yyyy hh:mm:ss z", Locale.ENGLISH);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = null;
String dateTime = "";
    try 
 
{
        if (!Validator.isEmpty(GMTTime)) {
            date = sf.parse(GMTTime);
dateTime = sdf.format(date);
}
    } catch (ParseException e) {
        e.printStackTrace();
}
    return dateTime;
}