ios - 能够按字幕搜索

Question

我设置了搜索，这样我就可以按注释的标题进行搜索，但我也想按副标题 进行搜索!

代码:

func updateSearchResults(for searchController: UISearchController) {
    
    matchingItems = []
    guard let mapView = mapView,
        let searchBarText = searchController.searchBar.text else { return }
    
    for item in self.mapView!.annotations    {
        let title = item.title!!
        
        
        if title.hasPrefix(searchBarText) && searchBarText != ""
        {
            matchingItems.append(item)
            
     }
    self.tableView.reloadData()
}

如何在我现在的代码中实现它？

感谢您的帮助!

Answer 1

你也可以像这样按字幕搜索:

func updateSearchResults(for searchController: UISearchController) {

    guard let mapView = mapView,
        let searchBarText = searchController.searchBar.text else { return  }

    matchingItems = self.mapView!.annotations.filter { annotation -> Bool in
        if annotation.title!.range(of: searchBarText, options: .caseInsensitive) != nil {
            return true
        }

        if annotation.subtitle!.range(of: searchBarText, options: .caseInsensitive) != nil {
            return true
        }

        return false
    }

   self.tableView.reloadData()
}