效果图：
代码：
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self.view addSubview:[self getTileLabel:@"你好！"]];}//导航条的标题-(UILabel *)getTileLabel:(NSString *)title{ UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(20, 100 , 200, 44)]; titleLabel.backgroundColor = [UIColor redColor]; titleLabel.font=[UIFont boldSystemFontOfSize:18]; titleLabel.textColor=[UIColor greenColor]; titleLabel.textAlignment = NSTextAlignmentCenter; titleLabel.text=title; return titleLabel;}