결과를 데이터베이스로 호출하는 검색을 구현하려고합니다. 나는 콘솔에서 데이터베이스 인쇄를 관리하지만 검색을 통해 액세스하지는 않습니다. 여기 'NSPredicate에는 아래 첨자 멤버가 없습니다.'
내가 사용하는 코드입니다 :import UIKit
class SearchTableViewController: UITableViewController, UISearchResultsUpdating {
var searchPredicate = NSPredicate()
var filteredAppleProducts = [String]()
var resultSearchController = UISearchController!()
var arrDataArticles: NSMutableArray!
override func viewDidLoad() {
super.viewDidLoad()
self.searchPredicate = NSPredicate(format: "SELF LIKE[c] %@", resultSearchController.searchBar.text!)
self.resultSearchController = UISearchController(searchResultsController: nil)
self.resultSearchController.searchResultsUpdater = self
self.resultSearchController.dimsBackgroundDuringPresentation = false
self.resultSearchController.searchBar.sizeToFit()
self.tableView.tableHeaderView = self.resultSearchController.searchBar
self.tableView.reloadData()
self.getAllArticles()
}
func getAllArticles() {
arrDataArticles = NSMutableArray()
arrDataArticles = ModelBD.getInstance().getAllArticles()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
// MARK: - Table view data source
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
// #warning Incomplete implementation, return the number of sections
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if self.resultSearchController.active {
return self.filteredAppleProducts.count
}
else {
return 0
}
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("cell", forIndexPath: indexPath) as UITableViewCell?
if self.resultSearchController.active {
cell!.textLabel?.text = self.filteredAppleProducts[indexPath.row]
}
else {
cell!.textLabel?.text = self.searchPredicate[indexPath.row] as! String
}
return cell!
}
func updateSearchResultsForSearchController(searchController: UISearchController) {
self.filteredAppleProducts.removeAll(keepCapacity: false)
let searchPredicate = NSPredicate(format: "SELF CONTAINS[c] %@", searchController.searchBar.text!)
let array = (self.appleProducts as NSArray).filteredArrayUsingPredicate(searchPredicate)
self.filteredAppleProducts = array as! [String]
self.tableView.reloadData()
}
}
유형 '자 NSPredicate는이 전혀 첨자 회원
오류가 라인에 나타납니다
cell!.textLabel?.text = self.searchPredicate[indexPath.row] as! String
및
let array = (self.appleProducts as NSArray).filteredArrayUsingPredicate(searchPredicate)
누구든지이 문제를 해결할 수 있습니다.
미리 감사드립니다.
지금 대답의 내용이 사라 때문에 원래 대답을 편집하지 않아야합니다. – ff10