swift 使用segue从controller-presenter获取数据

Posted 2021-05-19

  class AddNewEntryViewController: UIViewController {
  
    var selectedCategory: Category!
  
    @IBAction func unwindFromCategories(segue: UIStoryboardSegue) {
      let categoriesController = segue.source as! CategoriesTableViewController
      selectedCategory = categoriesController.selectedCategory 
      categoryTextField.text = selectedCategory.name
    }
    
}