import UIKit import XCPlayground //创建view let myView = UIView(frame:CGRectMake(0, 0, 300, 200)) //实时显示TimeLine XCPlaygroundPage.currentPage.liveView = myView myView.backgroundColor = UIColor.whiteColor() /************ 打开相应的注释, 就会自动显示在Timeline里面了*****…