UILabel 调整行间距计算frame

发布时间：2020-07-16 13:04:37 阅读：869 作者：zql5666641 栏目：开发技术

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+ (UILabel *)getLabelFrame:(UILabel *)label withLineSpace:(NSInteger)lineSpace withAttributedString:(NSString *)string

{

[label setNumberOfLines:0];

NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:string];

NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];

[paragraphStyle setLineSpacing:lineSpace];//调整行间距

[attributedString addAttribute:NSFontAttributeName

value:label.font

range:NSMakeRange(0, string.length)];

[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [string length])];

label.attributedText = attributedString;

CGSize size = [label.attributedText boundingRectWithSize:CGSizeMake(label.frame.size.width, 1000) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading context:nil].size;

label.frame = CGRectMake(label.frame.origin.x, label.frame.origin.y, size.width, size.height);

return label;

}

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UILabel 调整行间距计算frame

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