用position.x更简单:
````
let ani = CABasicAnimation(keyPath: "position.x")
ani.fromValue = viewWidth + textWidth/2.0
ani.toValue = -textWidth/2.0
ani.duration = 5
ani.fillMode = .forwards
ani.repeatCount = MAXFLOAT
nameLabel.layer.add(ani, forKey: nil)
````
iOS 滚动显示文字跑马灯效果滚动显示文字 在网上搜了好多跑马灯效果都能实现,但是看了具体的代码,感觉好复杂的样子,因为很小的一个功能,还要用到scollView啊,定时器什么的。这里来一个最简...