ios/PlayPai.git

			@@ -12,341 +12,341 @@

			class CommonScanQRCodeVC: BaseVC,AVCaptureMetadataOutputObjectsDelegate {

			//是否是第一次扫描到结果
			public var firstResult: Bool = true
			//AVCaptureSession对象来执行输入设备和输出设备之间的数据传递
			public var session: AVCaptureSession?
			//输入设备
			public var videoInput: AVCaptureDeviceInput?
			//输出对象
			public var metadataOutput: AVCaptureMetadataOutput = AVCaptureMetadataOutput()
			//预览图层
			public var previewLayer: AVCaptureVideoPreviewLayer?
			public var scanTimer: Timer?
			//边框
			public var borderView:UIImageView?
			//line
			public var scanLineView:UIImageView?
			//返回按钮
			public var closeBtn:UIButton?
			//是否是第一次扫描到结果
			public var firstResult: Bool = true
			//AVCaptureSession对象来执行输入设备和输出设备之间的数据传递
			public var session: AVCaptureSession?
			//输入设备
			public var videoInput: AVCaptureDeviceInput?
			//输出对象
			public var metadataOutput: AVCaptureMetadataOutput = AVCaptureMetadataOutput()
			//预览图层
			public var previewLayer: AVCaptureVideoPreviewLayer?
			public var scanTimer: Timer?
			//边框
			public var borderView:UIImageView?
			//line
			public var scanLineView:UIImageView?
			//返回按钮
			public var closeBtn:UIButton?

			private let borderWidth:CGFloat = 400
			private let topMargin: CGFloat = 230
			private var clouse:((String,Bool)->Void)?
			private let borderWidth:CGFloat = 400
			private let topMargin: CGFloat = 230
			private var clouse:((String,Bool)->Void)?

			/// 返回扫描结果，是否时第一次扫描到结果
			public convenience init(clouse:@escaping (String,Bool)->Void){
			self.init()
			self.clouse = clouse
			}

			public override func viewDidLoad() {
			super.viewDidLoad()
			title = "扫描二维码"
			if UIImagePickerController.isSourceTypeAvailable(.camera){

			if borderView == nil {
			borderView = UIImageView(image: UIImage(named: "ty_qrcode_bg"))
			}

			if scanLineView == nil {
			scanLineView = UIImageView(image: UIImage(named: "ty_qrcode_line"))
			}

			if closeBtn == nil && modalPresentationStyle == .fullScreen && self.presentationController != nil {
			closeBtn = UIButton(type: .custom)
			closeBtn!.addTarget(self, action: #selector(closeView), for: .touchUpInside)
			let image = Bundle.JQ_Bundle(icon: "close_btn")
			closeBtn!.setImage(image, for: .normal)
			view.addSubview(closeBtn!)
			closeBtn!.snp.makeConstraints { (make) in
			make.top.equalTo(30)
			make.left.equalTo(20)
			make.width.height.equalTo(30)
			}
			}

			let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
			if authStatus == AVAuthorizationStatus.notDetermined {
			AVCaptureDevice.requestAccess(for: AVMediaType.video) { (granted) in
			if granted{
			self.limitSuccess()
			}else{
			self.limitFaild()
			}
			}
			} else if authStatus == AVAuthorizationStatus.restricted \|\| authStatus == AVAuthorizationStatus.denied {
			limitFaild()
			} else {
			limitSuccess()
			}
			}else{
			alertError(msg: "当前环境相机不可用")
			DispatchQueue.main.asyncAfter(deadline: .now()+1) {
			self.navigationController?.popViewController()
			}
			}


			// if(!checkCameraAuth()){
			//
			// let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
			// if authStatus == AVAuthorizationStatus.notDetermined {
			// AVCaptureDevice.requestAccess(for: AVMediaType.video) {[weak self] (granted) in
			// if granted{
			// self?.setupCaptureSession()
			// self?.addSubviews()
			// self?.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
			// }
			// }
			// } else if authStatus == AVAuthorizationStatus.restricted \|\| authStatus == AVAuthorizationStatus.denied {
			// let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
			// let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
			// self.navigationController?.popViewController(animated: true)
			// })
			//
			// let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
			// let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
			// if UIApplication.shared.canOpenURL(settingUrl as URL){
			// if #available(iOS 10.0, *) {
			// UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
			// } else {
			// UIApplication.shared.openURL(settingUrl as URL)
			// }
			// }
			// })
			//
			// alertController.addAction(cancelAction)
			// alertController.addAction(okAction)
			// self.present(alertController, animated: true, completion: nil)
			// } else {
			//
			// }
			//
			// }else{
			// setupCaptureSession()
			// addSubviews()
			// scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
			// }
			}

			private func limitSuccess(){
			setupCaptureSession()
			DispatchQueue.main.async {
			self.addSubviews()
			self.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(self.startAnimation), userInfo: nil, repeats: true)

			self.firstResult = true
			if let session = self.session {
			let queue = DispatchQueue(label: "startRun")
			queue.async {
			session.startRunning()
			}
			}
			self.scanTimer?.fireDate = NSDate.distantPast
			}
			}

			private func limitFaild(){
			DispatchQueue.main.async {
			let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
			let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
			if self.qmui_isPresented(){
			self.dismiss(animated: true)
			}else{
			self.navigationController?.popViewController(animated: true)
			}
			})

			let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in

			if self.qmui_isPresented(){
			self.dismiss(animated: true)
			}else{
			self.navigationController?.popViewController(animated: true)
			/// 返回扫描结果，是否时第一次扫描到结果
			public convenience init(clouse:@escaping (String,Bool)->Void){
			self.init()
			self.clouse = clouse
			}

			public override func viewDidLoad() {
			super.viewDidLoad()
			title = "扫描二维码"
			if UIImagePickerController.isSourceTypeAvailable(.camera){

			let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
			if UIApplication.shared.canOpenURL(settingUrl as URL){
			if #available(iOS 10.0, *) {
			UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
			} else {
			UIApplication.shared.openURL(settingUrl as URL)
			}
			if borderView == nil {
			borderView = UIImageView(image: UIImage(named: "ty_qrcode_bg"))
			}

			if scanLineView == nil {
			scanLineView = UIImageView(image: UIImage(named: "ty_qrcode_line"))
			}

			if closeBtn == nil && modalPresentationStyle == .fullScreen && self.presentationController != nil {
			closeBtn = UIButton(type: .custom)
			closeBtn!.addTarget(self, action: #selector(closeView), for: .touchUpInside)
			let image = Bundle.JQ_Bundle(icon: "close_btn")
			closeBtn!.setImage(image, for: .normal)
			view.addSubview(closeBtn!)
			closeBtn!.snp.makeConstraints { (make) in
			make.top.equalTo(30)
			make.left.equalTo(20)
			make.width.height.equalTo(30)
			}
			}

			let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
			if authStatus == AVAuthorizationStatus.notDetermined {
			AVCaptureDevice.requestAccess(for: AVMediaType.video) { (granted) in
			if granted{
			self.limitSuccess()
			}else{
			self.limitFaild()
			}
			}
			} else if authStatus == AVAuthorizationStatus.restricted \|\| authStatus == AVAuthorizationStatus.denied {
			limitFaild()
			} else {
			limitSuccess()
			}
			}else{
			alertError(msg: "当前环境相机不可用")
			DispatchQueue.main.asyncAfter(deadline: .now()+1) {
			self.navigationController?.popViewController()
			}
			}


			// if(!checkCameraAuth()){
			//
			// let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
			// if authStatus == AVAuthorizationStatus.notDetermined {
			// AVCaptureDevice.requestAccess(for: AVMediaType.video) {[weak self] (granted) in
			// if granted{
			// self?.setupCaptureSession()
			// self?.addSubviews()
			// self?.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
			// }
			// }
			// } else if authStatus == AVAuthorizationStatus.restricted \|\| authStatus == AVAuthorizationStatus.denied {
			// let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
			// let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
			// self.navigationController?.popViewController(animated: true)
			// })
			//
			// let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
			// let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
			// if UIApplication.shared.canOpenURL(settingUrl as URL){
			// if #available(iOS 10.0, *) {
			// UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
			// } else {
			// UIApplication.shared.openURL(settingUrl as URL)
			// }
			// }
			// })
			//
			// alertController.addAction(cancelAction)
			// alertController.addAction(okAction)
			// self.present(alertController, animated: true, completion: nil)
			// } else {
			//
			// }
			//
			// }else{
			// setupCaptureSession()
			// addSubviews()
			// scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
			// }
			}
			})

			alertController.addAction(cancelAction)
			alertController.addAction(okAction)
			self.present(alertController, animated: true, completion: nil)
			}
			}
			private func limitSuccess(){
			setupCaptureSession()
			DispatchQueue.main.async {
			self.addSubviews()
			self.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(self.startAnimation), userInfo: nil, repeats: true)

			func checkCameraAuth() -> Bool {
			let status = AVCaptureDevice.authorizationStatus(for: .video)
			return status == .authorized;
			}
			self.firstResult = true
			if let session = self.session {
			let queue = DispatchQueue(label: "startRun")
			queue.async {
			session.startRunning()
			}
			}
			self.scanTimer?.fireDate = NSDate.distantPast
			}
			}

			//MARK:生成背景遮盖
			func getCoverView(left: CGFloat, top: CGFloat) -> UIImage? {
			UIGraphicsBeginImageContext(CGSize(width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
			let contextRef = UIGraphicsGetCurrentContext()
			contextRef?.setFillColor(UIColor (red: 111/255.0, green: 111/255.0, blue: 22/255.0, alpha: 0.5).cgColor)
			contextRef?.fill(CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height))
			let inset:CGFloat = 4
			contextRef?.clear(CGRect(x: left + inset, y: top + inset, width: UIScreen.main.bounds.size.width - left * 2 - inset * 2, height: UIScreen.main.bounds.size.width - left * 2 - inset * 2))
			return UIGraphicsGetImageFromCurrentImageContext()
			}
			private func limitFaild(){
			DispatchQueue.main.async {
			let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
			let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
			if self.qmui_isPresented(){
			self.dismiss(animated: true)
			}else{
			self.navigationController?.popViewController(animated: true)
			}
			})

			func addSubviews() {
			let _: CGFloat = (UIScreen.main.bounds.size.width - borderWidth) * 0.5
			let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in

			//
			if self.qmui_isPresented(){
			self.dismiss(animated: true)
			}else{
			self.navigationController?.popViewController(animated: true)
			}

			// let coverImageView = UIImageView(frame: CGRect(x: 0, y: 64, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
			// coverImageView.backgroundColor = UIColor.clear
			// coverImageView.image = self.getCoverView(left: leftMargin, top: topMargin)
			// view.addSubview(coverImageView)

			let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
			if UIApplication.shared.canOpenURL(settingUrl as URL){
			if #available(iOS 10.0, *) {
			UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
			} else {
			UIApplication.shared.openURL(settingUrl as URL)
			}
			}
			})

			alertController.addAction(cancelAction)
			alertController.addAction(okAction)
			self.present(alertController, animated: true, completion: nil)
			}
			}

			func checkCameraAuth() -> Bool {
			let status = AVCaptureDevice.authorizationStatus(for: .video)
			return status == .authorized;
			}

			//MARK:生成背景遮盖
			func getCoverView(left: CGFloat, top: CGFloat) -> UIImage? {
			UIGraphicsBeginImageContext(CGSize(width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
			let contextRef = UIGraphicsGetCurrentContext()
			contextRef?.setFillColor(UIColor (red: 111/255.0, green: 111/255.0, blue: 22/255.0, alpha: 0.5).cgColor)
			contextRef?.fill(CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height))
			let inset:CGFloat = 4
			contextRef?.clear(CGRect(x: left + inset, y: top + inset, width: UIScreen.main.bounds.size.width - left * 2 - inset * 2, height: UIScreen.main.bounds.size.width - left * 2 - inset * 2))
			return UIGraphicsGetImageFromCurrentImageContext()
			}

			func addSubviews() {
			let _: CGFloat = (UIScreen.main.bounds.size.width - borderWidth) * 0.5

			//

			// let coverImageView = UIImageView(frame: CGRect(x: 0, y: 64, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
			// coverImageView.backgroundColor = UIColor.clear
			// coverImageView.image = self.getCoverView(left: leftMargin, top: topMargin)
			// view.addSubview(coverImageView)



			//扫描边框
			borderView!.frame = CGRect.init(x: (UIScreen.main.bounds.size.width-(self.view.center.x+30))/2, y: (UIScreen.main.bounds.size.height-(self.view.center.x + 30))/2, width: self.view.center.x + 30, height: self.view.center.x + 30)
			view.addSubview(borderView!)
			//扫描边框
			borderView!.frame = CGRect.init(x: (UIScreen.main.bounds.size.width-(self.view.center.x+30))/2, y: (UIScreen.main.bounds.size.height-(self.view.center.x + 30))/2, width: self.view.center.x + 30, height: self.view.center.x + 30)
			view.addSubview(borderView!)

			//扫描的线
			scanLineView!.frame = CGRect(x:borderView!.frame.origin.x+2, y: borderView!.frame.origin.y+2, width: borderView!.bounds.size.width, height: 2)
			view.addSubview(scanLineView!)
			//扫描的线
			scanLineView!.frame = CGRect(x:borderView!.frame.origin.x+2, y: borderView!.frame.origin.y+2, width: borderView!.bounds.size.width, height: 2)
			view.addSubview(scanLineView!)


			let tipLabel = UILabel();
			tipLabel.text = "对准二维码，即可自动扫描";
			tipLabel.textColor = UIColor.white;
			tipLabel.font = UIFont.systemFont(ofSize: 14)
			tipLabel.textAlignment = .center;
			tipLabel.frame = CGRect(x: 0, y:0, width:200, height: 40)
			tipLabel.center = CGPoint(x: borderView!.center.x , y: borderView!.center.y + (self.view.center.x + 30)/2 + 30);
			view.addSubview(tipLabel)
			}
			let tipLabel = UILabel();
			tipLabel.text = "对准二维码，即可自动扫描";
			tipLabel.textColor = UIColor.white;
			tipLabel.font = UIFont.systemFont(ofSize: 14)
			tipLabel.textAlignment = .center;
			tipLabel.frame = CGRect(x: 0, y:0, width:200, height: 40)
			tipLabel.center = CGPoint(x: borderView!.center.x , y: borderView!.center.y + (self.view.center.x + 30)/2 + 30);
			view.addSubview(tipLabel)
			}

			//MARK:- 开始扫描动画
			@objc func startAnimation() -> Void {
			//MARK:- 开始扫描动画
			@objc func startAnimation() -> Void {

			//让约束从顶部开始
			var frame = self.scanLineView!.frame
			frame.origin.y = borderView!.frame.origin.y
			self.scanLineView!.frame = frame
			self.scanLineView!.layoutIfNeeded()
			//让约束从顶部开始
			var frame = self.scanLineView!.frame
			frame.origin.y = borderView!.frame.origin.y
			self.scanLineView!.frame = frame
			self.scanLineView!.layoutIfNeeded()

			UIView.animate(withDuration: 3.0, animations: {
			//改变frame
			frame.origin.y = self.borderView!.frame.origin.y+self.borderView!.bounds.size.height
			self.scanLineView!.frame = frame
			//强制更新界面
			self.scanLineView!.layoutIfNeeded()
			})
			}
			UIView.animate(withDuration: 3.0, animations: {
			//改变frame
			frame.origin.y = self.borderView!.frame.origin.y+self.borderView!.bounds.size.height
			self.scanLineView!.frame = frame
			//强制更新界面
			self.scanLineView!.layoutIfNeeded()
			})
			}

			func stopAnimation() -> Void {
			//让约束从顶部开始
			var frame = self.scanLineView!.frame
			frame.origin.y = 64 + topMargin
			self.scanLineView!.frame = frame
			self.scanLineView!.layoutIfNeeded()
			scanTimer?.invalidate()
			scanTimer = nil
			}
			func stopAnimation() -> Void {
			//让约束从顶部开始
			var frame = self.scanLineView!.frame
			frame.origin.y = 64 + topMargin
			self.scanLineView!.frame = frame
			self.scanLineView!.layoutIfNeeded()
			scanTimer?.invalidate()
			scanTimer = nil
			}

			public override func viewWillDisappear(_ animated: Bool) {
			super.viewWillDisappear(animated)
			public override func viewWillDisappear(_ animated: Bool) {
			super.viewWillDisappear(animated)

			//关闭session
			if let session = self.session{
			session.stopRunning()
			}
			}
			//关闭session
			if let session = self.session{
			session.stopRunning()
			}
			}

			@objc func closeView(){
			if (self.presentationController != nil) {
			self.dismiss(animated: true, completion: nil)
			}else{
			self.navigationController?.popViewController(animated: true)
			}
			}
			@objc func closeView(){
			if (self.presentationController != nil) {
			self.dismiss(animated: true, completion: nil)
			}else{
			self.navigationController?.popViewController(animated: true)
			}
			}

			deinit {
			scanTimer?.invalidate()
			scanTimer = nil
			print("scan-----deinit")
			deinit {
			scanTimer?.invalidate()
			scanTimer = nil
			print("scan-----deinit")

			}
			}

			//MARK:设置session
			func setupCaptureSession() {
			self.session = AVCaptureSession()
			//MARK:设置session
			func setupCaptureSession() {
			self.session = AVCaptureSession()

			//高质量采集率
			self.session?.sessionPreset = AVCaptureSession.Preset.high
			guard let device = AVCaptureDevice.default(for: AVMediaType.video) else { return }
			//更改这个设置的时候必须先锁定设备，修改完后再解锁，否则崩溃
			do{
			try device.lockForConfiguration()
			//设置闪光灯为自动
			device.flashMode = AVCaptureDevice.FlashMode.auto
			device.unlockForConfiguration()
			}catch{
			print("崩溃")
			}
			do{
			try self.videoInput = AVCaptureDeviceInput(device: device)
			}catch{
			print("崩溃")
			}
			//高质量采集率
			self.session?.sessionPreset = AVCaptureSession.Preset.high
			guard let device = AVCaptureDevice.default(for: AVMediaType.video) else { return }
			//更改这个设置的时候必须先锁定设备，修改完后再解锁，否则崩溃
			do{
			try device.lockForConfiguration()
			//设置闪光灯为自动
			device.flashMode = AVCaptureDevice.FlashMode.auto
			device.unlockForConfiguration()
			}catch{
			print("崩溃")
			}
			do{
			try self.videoInput = AVCaptureDeviceInput(device: device)
			}catch{
			print("崩溃")
			}

			//输入设备
			if let videoInput = self.videoInput {
			if self.session?.canAddInput(videoInput) == true {
			self.session?.addInput(videoInput)
			}
			}
			//输入设备
			if let videoInput = self.videoInput {
			if self.session?.canAddInput(videoInput) == true {
			self.session?.addInput(videoInput)
			}
			}

			//添加输出
			if self.session?.canAddOutput(self.metadataOutput) == true{
			self.session?.addOutput(self.metadataOutput)
			}
			//添加输出
			if self.session?.canAddOutput(self.metadataOutput) == true{
			self.session?.addOutput(self.metadataOutput)
			}

			self.metadataOutput.metadataObjectTypes = [AVMetadataObject.ObjectType.qr,
			AVMetadataObject.ObjectType.ean13,
			AVMetadataObject.ObjectType.ean8,
			AVMetadataObject.ObjectType.code128,
			AVMetadataObject.ObjectType.code39,
			AVMetadataObject.ObjectType.code93]
			self.metadataOutput.metadataObjectTypes = [AVMetadataObject.ObjectType.qr,
			AVMetadataObject.ObjectType.ean13,
			AVMetadataObject.ObjectType.ean8,
			AVMetadataObject.ObjectType.code128,
			AVMetadataObject.ObjectType.code39,
			AVMetadataObject.ObjectType.code93]

			self.metadataOutput.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
			self.metadataOutput.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)

			//预览图层
			if let session = self.session {
			self.previewLayer = AVCaptureVideoPreviewLayer(session: session)
			self.previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
			self.previewLayer?.frame = CGRect(x: 0, y : 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height)
			}
			//预览图层
			if let session = self.session {
			self.previewLayer = AVCaptureVideoPreviewLayer(session: session)
			self.previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
			self.previewLayer?.frame = CGRect(x: 0, y : 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height)
			}

			if let layer = self.previewLayer {
			view.layer.insertSublayer(layer, at: 0)
			}
			}
			if let layer = self.previewLayer {
			view.layer.insertSublayer(layer, at: 0)
			}
			}

			public func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
			self.session?.stopRunning();
			if (metadataObjects.count >= 1) {
			//数组中包含的都是AVMetadataMachineReadableCodeObject 类型的对象，该对象中包含解码后的数据
			let qrObject:AVMetadataMachineReadableCodeObject = metadataObjects.last as! AVMetadataMachineReadableCodeObject;
			//拿到扫描内容在这里进行个性化处理
			let result = qrObject.stringValue
			clouse?(result ?? "",firstResult)
			closeView()
			}
			}
			public func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
			self.session?.stopRunning();
			if (metadataObjects.count >= 1) {
			//数组中包含的都是AVMetadataMachineReadableCodeObject 类型的对象，该对象中包含解码后的数据
			let qrObject:AVMetadataMachineReadableCodeObject = metadataObjects.last as! AVMetadataMachineReadableCodeObject;
			//拿到扫描内容在这里进行个性化处理
			let result = qrObject.stringValue
			clouse?(result ?? "",firstResult)
			closeView()
			}
			}

			}