我正在通過使用firebase構建一個快速應用程序,在我的firebase數據庫中我有(兒童)餐廳的信息。我已成功將Firebase集成到我的項目中,並通過使用SDWebImage將帶有Firebase數據的TableView填充到圖像中。但是現在我遇到了另一個與使用segue相關的問題,並且在單擊我的tableview單元格時從我的firebase數據庫檢索正確的數據。在過去,我已經用detailViewControllers成功地創建了幾個swift和objective-c的tableviews,但這是我第一次使用firebase。 預先感謝您:) 這裏我下面我通過我的代碼在Xcode:如何通過點擊tableviewcell特定的Firebase數據到視圖控制器來接收?
主要泰伯維: 進口的UIKit 進口火力地堡 進口FirebaseAuth 進口FirebaseDatabase 進口FirebaseStorage 進口SDWebImage
類MainTableVC:UITableViewController {
@IBOutlet weak var MenuBar: UIBarButtonItem!
var barName = [String]()
var barMainImage = [String]()
var barAddress = [String]()
override func viewDidLoad() {
super.viewDidLoad()
// Uncomment the following line to preserve selection between presentations
// self.clearsSelectionOnViewWillAppear = false
// Uncomment the following line to display an Edit button in the navigation bar for this view controller.
// self.navigationItem.rightBarButtonItem = self.editButtonItem()
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: UIBarButtonItemStyle.plain, target: nil, action: nil)
MenuBar.target = self.revealViewController()
MenuBar.action = #selector(SWRevealViewController.revealToggle(_:))
self.view.addGestureRecognizer(self.revealViewController().panGestureRecognizer())
getDataFromServer()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func getDataFromServer(){
Database.database().reference().child("aktau").observe(DataEventType.childAdded, with: { (snapshot) in
let values = snapshot.value! as! NSDictionary
let posts = values["barmain"] as! NSDictionary
let postIDs = posts.allKeys
for id in postIDs{
let singlePost = posts[id] as! NSDictionary
self.barName.append(singlePost["barname"] as! String)
self.barAddress.append(singlePost["baraddress"] as! String)
self.barMainImage.append(singlePost["barmainimage"] as! String)
}
self.tableView.reloadData()
})
}
// MARK: - Table view data source
override func numberOfSections(in tableView: UITableView) -> Int {
// #warning Incomplete implementation, return the number of sections
return 1
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
// #warning Incomplete implementation, return the number of rows
return barName.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "RestoCell", for: indexPath) as! ViewControllerCell
cell.RestName.text = barName[indexPath.row]
cell.RestAddress.text = barAddress[indexPath.row]
cell.RestImage.sd_setImage(with: URL(string: barMainImage[indexPath.row]))
return cell
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if (segue.identifier == "DetailView") {
let VC = segue.destination as! DetailViewController
VC.RestNameData = barName
}
}} 問題與barName - '?字符串'
無法指定類型的值 '[字符串]' 到類型
而我detailViewController 除了BarName,BarAddress和BarMainImage - 我想包括短杆信息和開放時間。
進口的UIKit 進口火力地堡 進口FirebaseAuth 進口FirebaseDatabase 進口FirebaseStorage 進口SDWebImage
類DetailViewController:UIViewController的{
@IBOutlet weak var MyScroll: UIScrollView!
@IBOutlet weak var RestDetailView: UIView!
@IBOutlet weak var restName: UILabel!
@IBOutlet weak var restTypeOfFood: UILabel!
@IBOutlet weak var restClockImage: UIImageView!
@IBOutlet weak var restOpenHours: UILabel!
@IBOutlet weak var restInfoView: UIView!
@IBOutlet weak var averagePrice: UILabel!
@IBOutlet weak var InfoAboutRest: UILabel!
@IBOutlet weak var FullAddressLabel: UILabel!
@IBOutlet weak var OpeningHoursLabel: UILabel!
var RestNameData: String?
override func viewDidLoad() {
super.viewDidLoad()
self.RestDetailView.layer.borderColor = UIColor.white.cgColor
self.RestDetailView.layer.borderWidth = 1
self.restInfoView.layer.borderColor = UIColor.white.cgColor
self.restInfoView.layer.borderWidth = 1
if RestNameData.text == "" {
}
}
}
我的火力地堡數據庫樹: enter image description here
我已經添加了解決該問題的代碼。 –
不幸的是我真的沒有得到結構)嘗試了幾種方法,但我仍然會得到一個錯誤) – didayo