1 var attrButes:[NSAttributedString.Key : Any]! = nil; 2 let paraph = NSMutableParagraphStyle() 3 paraph.lineSpacing = 8 4 attrButes = [NSAttributedString.Key.font:UIFont.systemFont(ofSize: 13.5),NSAttributedString.Key.paragraphStyle:paraph] 5 6 let size:CGRect = model.content!.boundingRect(with: CGSize( HL_APP_WIDTH - 30 , height: CGFloat.greatestFiniteMagnitude), options: NSStringDrawingOptions.usesLineFragmentOrigin, attributes: attrButes, context: nil) 7 8 // detailHeaderView.contTextLab.text = "" 9 detailHeaderView.contTextLab.attributedText = NSAttributedString(string: model.content!, attributes: attrButes) 10 detailHeaderView.contTextLab.numberOfLines = 0 11 detailHeaderView.contTextLab.sizeToFit() 12 context_H = size.height