swift 初见-6集合类型与Cocoa Touch混编

// Playground - noun: a place where people can play

import UIKit

var str = "Hello, playground"
// color与=号之间必须有个空格
let colors =
[
    "Air Force Blue":(red:93,green:138,blue:168),
    "Bittersweet":(red:254,green:111,blue:94),
    "Canary Yellow":(red:255,green:239,blue:0),
    "Dark Orange":(red:255,green:140,blue:0)
]
var backView = UIView(frame: CGRectMake(0, 0,320.0,CGFloat(colors.count*50)))
backView.backgroundColor=UIColor.blackColor()
var index=0
for (colorName,rgbTuple) in colors
{
   var colorStripe=UILabel(frame: CGRectMake(0.0,CGFloat(index*50+5), 320, 40))
    colorStripe.backgroundColor=UIColor(
        red:CGFloat(rgbTuple.red), green:CGFloat(rgbTuple.green) , blue:CGFloat(rgbTuple.blue), alpha: 1.0
    )
    colorStripe

    var colorNameLabel=UILabel(frame: CGRectMake(0.0, 0.0,300, 40))
    colorNameLabel.font=UIFont(name:"Arial", size: 24.0)
    colorNameLabel.textColor=UIColor.blackColor()
    colorNameLabel.text=colorName
    colorStripe.addSubview(colorNameLabel)
    backView.addSubview(colorStripe)
    index++
}
backView

var newbBackView=UIView(frame: CGRectMake(0,CGFloat(colors.count*5),320, CGFloat(colors.count*50)))
newbBackView.backgroundColor=UIColor.orangeColor()
index=0
for(colorName,rgbTuple) in colors
{
    var colorStripe=UILabel(frame: CGRectMake(0,CGFloat(index*50+5), 320, 40))
    colorStripe.backgroundColor=UIColor(red: CGFloat(rgbTuple.red), green: CGFloat(rgbTuple.green), blue: CGFloat(rgbTuple.blue), alpha: 0.5)
    colorStripe.text=colorName
    colorStripe.textAlignment=NSTextAlignment.Center
    index++
    newbBackView.addSubview(colorStripe)
}
newbBackView