直接上代码:
![](https://img.haomeiwen.com/i2190276/b4c557209ba53591.png)
关键代码:
NSMutableAttributedString * attributedString = [[NSMutableAttributedString alloc] initWithString:lab.text];
NSMutableParagraphStyle * paragraphStyle = [[NSMutableParagraphStyle alloc] init];
[paragraphStylesetLineSpacing:8];
[attributedStringaddAttribute:NSParagraphStyleAttributeNamevalue:paragraphStylerange:NSMakeRange(0, [lab.textlength])];
[labsetAttributedText:attributedString];
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