1 //2 //  Rps.swift3 //  rockios4 //5 //  Created by can on 15/11/9.6 //  Copyright (c) 2015年 can. All rights reserved.7 //8 9 import Foundation
10
11
12 struct Rps{
13     private var stat:Stats!
14
15     enum Stats {
16         case Rock
17         case Scissor
18         case Paper 19  } 20 21 func getStats () -> Stats { 22 return stat 23  } 24 25 mutating func setStats (inputStat: Stats!) { 26 stat=inputStat 27  } 28 29 func randomRps () -> Stats{ //生成一个随机的手势 30 let randomNumer = arc4random_uniform(3) 31 var randomStat:Stats! 32 switch randomNumer{ 33 case 0: 34 randomStat = .Rock 35 case 1: 36 randomStat = .Scissor 37 case 2: 38 randomStat = .Paper 39 default: 40 print("Error") 41  } 42 return randomStat 43  } 44 45 func compare (aRpsStat:Stats, anotherRpsStat:Stats) -> Int { 46 //返回三种状态，0为前者数，1为前者赢，2为平局 47 var result:Int! 48 switch aRpsStat { 49 case .Rock: 50 switch anotherRpsStat{ 51 case .Rock: 52 result=2 53 case .Scissor: 54 result=1 55 case .Paper: 56 result=0 57  } 58 59 case .Scissor: 60 switch anotherRpsStat{ 61 case .Rock: 62 result=0 63 case .Scissor: 64 result=2 65 case .Paper: 66 result=1 67  } 68 69 case .Paper: 70 switch anotherRpsStat{ 71 case .Rock: 72 result=1 73 case .Scissor: 74 result=0 75 case .Paper: 76 result=2 77  } 78 79  } 80 return result 81 } 82 83 }

//
//  ViewController.swift
//  rockios
//
//  Created by can on 15/11/9.
//  Copyright (c) 2015年 can. All rights reserved.
//import UIKitclass ViewController: UIViewController {var rps = Rps();// outlet and action@IBOutlet weak var Rock: UIButton!@IBOutlet weak var Paper: UIButton! @IBOutlet weak var Scissor: UIButton! @IBOutlet weak var textUp: UITextField! @IBOutlet weak var textDown: UITextField! @IBAction func Rock(sender:AnyObject){ rps.setStats(.Rock) judgement() } @IBAction func Paper(sender:AnyObject){ rps.setStats(.Paper) judgement() } @IBAction func Scissor(sender:AnyObject){ rps.setStats(.Scissor) judgement() } @IBAction func again(sender:AnyObject){ resetAll() } //全局初始化  func resetAll(){ textUp.text = "" textDown.text = "" rps.setStats(nil) } //判断输赢  func judgement () { let randomRps=rps.randomRps() let currentStat=rps.getStats() let result = rps.compare(currentStat, anotherRpsStat: randomRps) screen(result,stat:currentStat,anotherStat:randomRps) } //控制显示的方法  func screen(result:Int,stat:Rps.Stats,anotherStat:Rps.Stats){ var resultString="" var statString="" var anotherString="" switch result{ case 0: resultString="输" case 1: resultString="赢" case 2: resultString="竟然平局" default: resultString="醉" } switch stat{ case .Rock: statString = "?" case .Scissor: statString = "✌️" case .Paper: statString = "✋" } switch anotherStat{ case .Rock: anotherString = "?" case .Scissor: anotherString = "✌️" case .Paper: anotherString = "✋" } textUp.text = "你" + resultString + "了！" textDown.text = "你出了" + statString + "，但电脑出了" + anotherString + "!" } override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib.  } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated.  } }