如何用swift创建一个自定义的UIView类，并使用许多初始化器?

I'm trying to stick this out and learn it and write an app in Swift, and not default to Obj-C, although I keep getting stuck on very simple things and can't seem to find my answers online. The temptation to go back is strong. Here's what I'm trying to do. I'm trying to stick this out and learn it and w