您需要创建一个SearchController并将其设置为在另一个TableViewController中显示结果:
ViewController
import UIKit
class ViewController: UIViewController, UISearchControllerDelegate {
var controladorDeBusca: UISearchController!
var resultsTableViewController: ResultsTableViewController?
override func viewDidLoad() {
super.viewDidLoad()
resultsTableViewController = storyboard!.instantiateViewController(withIdentifier: "resultsTableViewController") as? ResultsTableViewController
configurarControladorDeBusca()
}
func configurarControladorDeBusca() {
controladorDeBusca = UISearchController(searchResultsController: resultsTableViewController)
controladorDeBusca.delegate = self
controladorDeBusca.searchResultsUpdater = resultsTableViewController
controladorDeBusca.dimsBackgroundDuringPresentation = true
definesPresentationContext = true
controladorDeBusca.loadViewIfNeeded()
controladorDeBusca.searchBar.delegate = resultsTableViewController
controladorDeBusca.hidesNavigationBarDuringPresentation = false
controladorDeBusca.searchBar.placeholder = "Search place"
controladorDeBusca.searchBar.sizeToFit()
controladorDeBusca.searchBar.barTintColor = navigationController?.navigationBar.barTintColor
controladorDeBusca.searchBar.tintColor = self.view.tintColor
navigationItem.titleView = controladorDeBusca.searchBar
}
}
结果表视图控制器
import UIKit
class ResultsTableViewController: UITableViewController, UISearchResultsUpdating, UISearchBarDelegate {
var array = ["Brazil", "Bolivia", "United States", "Canada", "England", "Germany", "France", "Portugal"]
var arrayFilter = [String]()
override func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return arrayFilter.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "searchCell", for: indexPath)
cell.textLabel?.text = arrayFilter[indexPath.row]
return cell
}
func updateSearchResults(for searchController: UISearchController) {
}
func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
arrayFilter.removeAll()
if let text = searchBar.text {
for string in array {
if string.contains(text) {
arrayFilter.append(string)
}
}
}
tableView.reloadData()
}
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
arrayFilter.removeAll()
tableView.reloadData()
}
func searchBarShouldBeginEditing(_ searchBar: UISearchBar) -> Bool {
arrayFilter.removeAll()
tableView.reloadData()
return true
}
}
![enter image description here](https://istack.dev59.com/pD6Ho.webp)
didSelectRow
方法。 - GuiDupas