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지금까지 firebase에서 데이터를 삭제하려고합니다. 이것은 내가 사용하고있는 코드입니다. 아무에게도 그것으로 손을 줄 수는 없습니다.firebase 및 swift에서 셀과 데이터를 삭제하는 방법 3
class TableViewController: UITableViewController {
var ref: FIRDatabaseReference?
var grocery = [Grocery]()
override func viewDidLoad() {
super.viewDidLoad()
loadData()
}
func loadData() {
let uid = FIRAuth.auth()?.currentUser?.uid
FIRDatabase.database().reference().child("Users").child(uid!).child("Grocery").observe(.childAdded) { (snspshot: FIRDataSnapshot) in
if let dict = snspshot.value as? [String: Any] {
let Items = dict["Item"] as! String
let Quintities = dict["Quintities"] as! String
let Done = dict["Done"] as! Bool
let themBe = Grocery(Items: Items, Quintitiess: Quintities, Dones: Done)
self.grocery.append(themBe)
print(themBe)
self.tableView.reloadData()
}
}
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return grocery.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "TasksTableViewCell") as! TasksTableViewCell
cell.titleLabel?.text = grocery[indexPath.row].Item
cell.numLabel?.text = grocery[indexPath.row].Quintities
return cell
}
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
if editingStyle == .delete {
self.grocery.remove(at: indexPath.row)
self.tableView.deleteRows(at: [indexPath], with: .automatic)
}
}
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import Foundation
class Grocery {
var Item: String
var Quintities: String
var Done: Bool
init(Items: String, Quintitiess: String, Dones: Bool) {
Item = Items
Quintities = Quintitiess
Done = Dones
}
}