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[操作系统]导航条的标题


 

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;}