iOS UILabel、UIButton文字竖排显示

- (void)viewDidLoad {

    [super viewDidLoad];

    

    

    

    方法一：

    UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(0, 100, 25,200)];

    

    label.text = @"即\n时\n编\n译\n功\n能\n。";

    label.numberOfLines = [label.text length];

    [self.view addSubview:label];

    

    方法二：

    UIFont *font = [UIFont systemFontOfSize:15];

    CGSize sizeWord = [@"一" sizeWithFont:font constrainedToSize:CGSizeMake(100, 1000.0) lineBreakMode:UILineBreakModeWordWrap];

    CGFloat width = sizeWord.width;//一个汉字的宽度

    CGSize sizeStr = [@"是一个小巧的脚本语言。" sizeWithFont:font constrainedToSize:CGSizeMake(width, 1000.0) lineBreakMode:UILineBreakModeWordWrap];

    CGFloat hight = sizeStr.height;

    

    UILabel *labelTwo = [[UILabel alloc]initWithFrame:CGRectMake(50, 200, width, hight)];

    labelTwo.text = @"是一个小巧的脚本语言。";

    labelTwo.textColor = [UIColor blackColor];

    labelTwo.numberOfLines = 0;

    [self.view addSubview:labelTwo];

    

    

    

    UIButton *button=[[UIButton alloc] initWithFrame:CGRectMake(100,400, 30, 200)];

    button.titleLabel.font=[UIFont fontWithName:@"Helvetica" size:24];

    [button setTitle:@"其设计目的是为了嵌入应用程序中" forState:UIControlStateNormal];

    [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

    [button setTitleColor:[UIColor redColor] forState:UIControlStateHighlighted];

    button.titleLabel.lineBreakMode = UILineBreakModeWordWrap;//换行模式自动换行

    button.titleLabel.numberOfLines = 0;

    [self.view addSubview:button];

}

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