5.24学习记录

时间操作  
  public String GetTime(){
        Calendar calendar = Calendar.getInstance();
//年
        int year = calendar.get(Calendar.YEAR);
//月
        int month = calendar.get(Calendar.MONTH)+1;
//日
        int day = calendar.get(Calendar.DAY_OF_MONTH);
//小时
        int hour = calendar.get(Calendar.HOUR_OF_DAY);
//分钟
        int minute = calendar.get(Calendar.MINUTE);
//秒
        int second = calendar.get(Calendar.SECOND);
        String time=hour+"时"+minute+"分";
        return time;
    }