Swift - 21 - 字典实战和UIKit初探

//: Playground - noun: a place where people can play
 
import UIKit
 
// 数据源
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),
    "Electric Violet":(red:255, green:140, blue:0),
    "Fern":(red:113, green:188, blue:120),
    "Gamboge":(red:228, green:155, blue:15),
    "Hollywood Cerise":(red:244, green:0, blue:161),
    "Icterine":(red:252, green:247, blue:94),
    "Jazzberry Jam":(red:165, green:11, blue:94),
]
 
// 创建一个UIView用于显示
var rect = CGRectMake(0, 0, 320, (CGFloat)(colors.count * 50));
var backView = UIView(frame:rect)
backView.backgroundColor = UIColor.blackColor()
backView
 
var index = 0
for (colorName, rgbTuple) in colors
{
　　// 创建UILabel用来显示颜色, 并将其放在view上
    var labelRect = CGRectMake(0, (CGFloat)(index * 50 + 5), 320, 40)
    var colorStripe = UILabel(frame: labelRect)
    colorStripe.text = colorName
    colorStripe.backgroundColor =
        UIColor(
            red: (CGFloat)(rgbTuple.red) / 255.0,
            green: (CGFloat)(rgbTuple.green) / 255.0,
            blue: (CGFloat)(rgbTuple.blue) / 255.0,
            alpha: 1.0
    )
    colorStripe
    backView.addSubview(colorStripe)
    index++
}
backView