arrays - 在快速机器学习中分配数组无法将类型 '[[String]]' 的值分配给类型 'String?'

Question

我在我的 swift 应用程序中使用机器学习和图像检测，但我没有在我的 textView 中打印模型认为图像可能是什么的结果，我想用我创建的数组替换它但每次我尝试它都会给我一条错误消息，提示 Cannot assign value of type '[[String]]' to type 'String?'

@IBOutlet weak var imageView: UIImageView!
@IBOutlet weak var choosePhotoLib: UIButton!
@IBOutlet weak var textView: UITextView!

var graduation = ["Living your Best Life", "Happiness looks good on you","ive been growing the business", "there are things i want in this life, things i gotta do things i want"]

let imagePicker = UIImagePickerController()

override func viewDidLoad() {
    super.viewDidLoad()
    imagePicker.delegate = self
    imagePicker.sourceType = .camera
    imagePicker.allowsEditing = false

}

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
    if  let userPickedImage = info[UIImagePickerController.InfoKey.originalImage] as? UIImage {
    imageView.image = userPickedImage
        guard let ciimage = CIImage(image: userPickedImage) else {
            fatalError("Could Not Convert To CIImage")
        }
       detect(image: ciimage)
    }


imagePicker.dismiss(animated: true, completion: nil)

}

func detect(image: CIImage) {
    guard let model = try? VNCoreMLModel(for: Inceptionv3__1__1().model) else {
        fatalError("Could Not Load Core ML Model")
    }

    let request = VNCoreMLRequest(model: model) { (request, error) in
        guard let results = request.results as? [VNClassificationObservation] else {
            fatalError("Could Not Get Reuest")
        }
        if let firstResult = results.first {
            if firstResult.identifier.contains("Graduation") {
                self.textView.text = [graduation] WHERE THE ERROR OCCURS

Answer 1

如果只想显示 graduation 中的其中一个文本，请执行以下操作:self.textView.text = graduation[0](0为第一行)

如果你想要所有这些，你将不得不遍历它们

var allTexts = ""
for text in graduation {
    allTexts.append(text)
}
self.textView.text = allTexts

这会将字符串一个接一个地放在一起，如果你想在它们之间使用空格或换行符，你也必须这样做。可以通过在字符串中放入 \n

来添加换行符