swift - How can I get the contents of the text box below and display the retrieved text on the label when I press the button?

Question

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Please tell me what kind of code to write

标签： swift

Answer 1

我想您已经将文本框的引用创建为TextView. 现在您需要IBOutlet为标签创建一个新标签。获得对标签的引用后，您可以从 textview 获取文本值并将其显示在标签中。

@IBAction func display(_sender) {
    self.labelView.text = self.TextView.text
    //if you want to clear the textview
    self.TextView.text = ""
}