//
//  ViewController.swift
//  learn4
//
//  Created by myhaspl on 16/1/23.
//  Copyright (c) 2016年 myhaspl. All rights reserved.
//
 
import Cocoa
 
class ViewController: NSViewController {
    var fifoquene=[Int]()
    var lifoquene=[Int]()
 
    override func viewDidLoad() {
        super.viewDidLoad()
 
        // Do any additional setup after loading the view.
    }
 
    override var representedObject: AnyObject? {
        didSet {
        // Update the view,if already loaded.
        }
    }
    
    @IBOutlet weak var inputnum1: NSTextField!
    @IBOutlet weak var inputnum2: NSTextField!
    @IBOutlet weak var fifostate: NSTextField!
    @IBOutlet weak var lifostate: NSTextField!
    
    @IBAction func lifopop(sender: AnyObject) {
        let messageBox:NSAlert=NSAlert()
        if lifoquene.count>0{
            let mynum=lifoquene.removeLast()
            lifostate.stringValue="后进先出"+"  "
            for num in lifoquene{
                lifostate.stringValue=lifostate.stringValue+String(num)+"  "
            }
            messageBox.messageText="您取出了"+String(mynum)
        }
        else{
            messageBox.messageText="队列为空"
        }
        messageBox.alertStyle=NSAlertStyle.InformationalAlertStyle
        messageBox.runModal()
    }
    
    @IBAction func lifopush(sender: AnyObject) {
        if let mynum=inputnum2.stringValue.toInt(){
            lifoquene.append(mynum)
            lifostate.stringValue+="  "+String(mynum)
        }
    }
    @IBAction func fifopop(sender: AnyObject) {
        let messageBox:NSAlert=NSAlert()
        if fifoquene.count>0{
            let mynum=fifoquene.removeAtIndex(0)
            fifostate.stringValue="先进先出"+"  "
            for num in fifoquene{
                fifostate.stringValue=fifostate.stringValue+String(num)+"  "
            }
            messageBox.messageText="您取出了"+String(mynum)
        }
        else{
            messageBox.messageText="队列为空"
        }
        messageBox.alertStyle=NSAlertStyle.InformationalAlertStyle
        messageBox.runModal()
    }
    @IBAction func fifopush(sender: AnyObject) {
        if let mynum=inputnum1.stringValue.toInt(){
            fifoquene.append(mynum)
            fifostate.stringValue+="  "+String(mynum)
        }
    }
    
}

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http://blog.csdn.net/myhaspl/