lable計算行高，lable行高

lable計算行高，lable行高
_introduce.text=status.introduce; //設定行間距 NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc]initWithString:_introduce.text];; NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc]init]; [paragraphStyle setLineSpacing:7]; [attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, _introduce.text.length)]; _introduce.attributedText = attributedString; NSString *introduce=status.introduce; CGSize titleSize = [introduce boundingRectWithSize:CGSizeMake(KScreenWidth-80, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:12],NSParagraphStyleAttributeName:paragraphStyle} context:nil].size; CGFloat height=titleSize.height; View Code