UILabel 调整行间距

/*调整行间距*/ + (void)adjustLineSpacingOfLabel:(UILabel *)label to:(CGFloat)lineSpacing {NSString *textStr = label.text;if (textStr.length <= 0) {return;}NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:textStr];NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];[paragraphStyle setLineSpacing:lineSpacing];[paragraphStyle setLineBreakMode:NSLineBreakByTruncatingTail];[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [textStr length])];label.attributedText = attributedString;[label sizeToFit]; }+ (CGSize)sizeOfMultiLineLabel:(NSString *)aLabelTextString font:(UIFont *)aLabelFont constrainedToSize:(CGSize)maxSize lineSpacing:(CGFloat)lineSpacing {if ([[[UIDevice currentDevice] systemVersion] floatValue] < 7.0) {//version < 7.0return [aLabelTextString sizeWithFont:aLabelFontconstrainedToSize:maxSizelineBreakMode:NSLineBreakByTruncatingTail];}else if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0) {//version >= 7.0//Return the calculated size of the LabelNSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];[paragraphStyle setLineSpacing:lineSpacing];[paragraphStyle setLineBreakMode:NSLineBreakByWordWrapping];return [aLabelTextString boundingRectWithSize:maxSizeoptions:NSStringDrawingUsesLineFragmentOriginattributes:@{NSFontAttributeName:aLabelFont, NSParagraphStyleAttributeName:paragraphStyle}context:nil].size;}return CGSizeZero; }

《新程序员》：云原生和全面数字化实践50位技术专家共同创作，文字、视频、音频交互阅读

总结

以上是生活随笔为你收集整理的UILabel 调整行间距的全部内容，希望文章能够帮你解决所遇到的问题。

如果觉得生活随笔网站内容还不错，欢迎将生活随笔推荐给好友。