let label = UILabel(frame: CGRect(x: 10, y: 20, 300, height: 100)) label.text = "Hello WorldHello WorldHello WorldHello World" label.textColor = UIColor.red; label.backgroundColor = UIColor.blue label.textAlignment = .right//文字右对齐 label.shadowColor = UIColor.yellow//黄色阴影 label.shadowOffset = CGSize( 1.5, height: 1.5)//阴影的偏移量 label.font = UIFont(name:"Zapfino",size:20)//字体设置 label.lineBreakMode = .byTruncatingTail//隐藏尾部并显示省略号 label.adjustsFontSizeToFitWidth = true//当文字超出标签宽度时,自动调整文字大小,使其不被截断 label.numberOfLines = 0 label.isHighlighted = true//设置文本高亮 label.highlightedTextColor = UIColor.green//设置文本高亮颜色 self.view.addSubview(label) //富文本设置 let attributestring = NSMutableAttributedString(string:"welcome to china") //从文本0开始6个字符字体HelveticaNeue-Bold,16号 attributestring.addAttribute(NSAttributedStringKey.font, value: UIFont(name: "HelveticaNeue-Bold", size: 16)!, range: NSMakeRange(0,6)) //设置字体颜色 attributestring.addAttribute(NSAttributedStringKey.foregroundColor, value: UIColor.blue, range: NSMakeRange(0, 3)) //设置文字背景颜色 attributestring.addAttribute(NSAttributedStringKey.backgroundColor, value: UIColor.green, range: NSMakeRange(3, 3)) label.attributedText = attributestring;