获取当前日期时间并以LCD形式显示

- (void)viewDidLoad {    [super viewDidLoad];[self updateTime];[NSTimer scheduledTimerWithTimeInterval:(1.0) target:self selector:@selector(updateTime) userInfo:nil repeats:YES];}-(void)updateTime{NSString *time = [self getCurrentTime];timeLabel.text = time;[timeLabel setFont:[UIFont fontWithName:@"DBLCDTempBlack" size:25.0]];[timeLabel setTextAlignment:UITextAlignmentCenter];[timeLabel setTextColor:[UIColor redColor]];[self.view setBackgroundColor:[UIColor blackColor]];}- (NSString *) getCurrentTime{NSDate *today = [NSDate date];NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];[dateFormatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];NSString *currentTime = [dateFormatter stringFromDate:today];[dateFormatter release]; return currentTime;}

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