>将VIEwController指定为TextFIEld的委托.
>实现controlTextDIDChange方法.
import Cocoa@NSApplicationMainclass AppDelegate: NSObject,NSApplicationDelegate,NSTextFIEldDelegate { @IBOutlet weak var window: NSWindow! @IBOutlet weak var textFIEld: NSTextFIEld! @IBOutlet weak var label: NSTextFIEld! func applicationDIDFinishLaunching(aNotification: NSNotification) { textFIEld.delegate = self } overrIDe func controlTextDIDChange(notification: NSNotification) { let object = notification.object as! NSTextFIEld self.label.stringValue = object.stringValue } func applicationWillTerminate(aNotification: NSNotification) { // Insert code here to tear down your application }}
在VIEwController中:
import Cocoaclass VIEwController: NSVIEwController,NSTextDelegate { @IBOutlet weak var label: NSTextFIEld! @IBOutlet weak var label2: NSTextFIEld! @IBOutlet weak var textFIEld: NSTextFIEld! @IBOutlet weak var textFIEld2: NSTextFIEld! overrIDe func vIEwDIDLoad() { super.vIEwDIDLoad() } overrIDe func controlTextDIDChange(notification: NSNotification) { if let txtFld = notification.object as? NSTextFIEld { switch txtFld.tag { case 201: self.label.stringValue = txtFld.stringValue case 202: self.label2.stringValue = txtFld.stringValue default: break } } }}总结
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