UILabel自适应高、宽

根据Label和字体大小自适应高度

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- (void)getHeightWithLabel:(UILabel *)label andFontSize:(CGFloat)size
{
    label.numberOfLines = 0;
    NSMutableAttributedString *labelString = [[NSMutableAttributedString alloc] initWithString:label.text];
    [labelString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:size] range:NSMakeRange(0, [labelString length])];
    CGRect labelStringRect = [labelString boundingRectWithSize:CGSizeMake(self.view.frame.size.width-label.frame.origin.x*2, 9999) options:NSStringDrawingUsesLineFragmentOrigin context:nil];
    CGRect labelRect = label.frame;
    labelRect.size.height = labelStringRect.size.height;
    label.frame = labelRect;
    label.attributedText = labelString;
}
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根据Label和字体大小自适应宽度

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- (void)getWidthWithLabel:(UILabel *)label andFontSize:(CGFloat)size
{
    label.numberOfLines = 0;
    NSMutableAttributedString *labelString = [[NSMutableAttributedString alloc] initWithString:label.text];
    [labelString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:size] range:NSMakeRange(0, [labelString length])];
    CGRect labelStringRect = [labelString boundingRectWithSize:CGSizeMake(9999, label.frame.size.height) options:NSStringDrawingUsesLineFragmentOrigin context:nil];
    CGRect labelRect = label.frame;
    labelRect.size.width = labelStringRect.size.width;
    label.frame = labelRect;
    label.attributedText = labelString;
}
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posted @ 2015-09-22 15:59  波波咪呀  阅读(242)  评论(0编辑  收藏  举报