我是一名新手,正在尝试将我的应用连接到后端(Firebase 数据库)。具体来说,我有四个字段,用户在其中输入内容,并且我尝试设置一个等于每个字段的子节点。不幸的是,虽然我没有收到任何错误,但数据库中没有任何内容。我不确定我是否遗漏了一些大的或小的东西,所以任何指导将不胜感激。代码如下:
class ThirdViewController: UIViewController {
var ref:FIRDatabaseReference!
@IBOutlet weak var bookTitle: UITextField!
@IBOutlet weak var bookDescription: UITextField!
@IBOutlet weak var authorBiography: UITextView!
@IBOutlet weak var bookPurchaseLink: UITextView!
@IBAction func saveButtonTapped(_ sender: Any) {
let bookTitleContent = String(describing: bookTitle.text)
let bookDescriptionContent = String(describing: bookDescription.text)
let authorBiographyContent = String(describing: authorBiography.text)
let bookPurchaseLinkContent = String(describing: bookPurchaseLink.text)
func viewDidLoad() {
super.viewDidLoad()
//post to database
ref = FIRDatabase.database().reference()
self.ref.child(uuid).child("Book Info").child("Book Title").setValue(bookTitleContent)
self.ref.child(uuid).child("Book Info").child("Book Description").setValue(bookDescriptionContent)
self.ref.child(uuid).child("Book Info").child("Author Biography").setValue(authorBiographyContent)
self.ref.child(uuid).child("Book Info").child("Book Purchase Link").setValue(bookPurchaseLinkContent)
}
}
最佳答案
检查 Firebase 读写规则。!
{
"rules": {
".read": "auth != null",
".write": "auth != null"
}
}
mdatabase = FirebaseDatabase.getInstance();
mdatabaseReference = mdatabase.getReference();
mdatabaseReference.child("Child").setValue(Data);
//
希望这可以帮助你。!
关于ios - 将文本字段内容发布到 Firebase 数据库,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43322851/