具有多个关键字的字典数组中的UISearchBar Filter UITableView with NSPredicate filter

struct DataModel {
    let key1: String
    let key2: String
    // 其他关键字...
}

class ViewController: UIViewController, UITableViewDataSource, UISearchBarDelegate {
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var searchBar: UISearchBar!
    
    var dataModels: [DataModel] = [] // 模型对象数组
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        tableView.dataSource = self
        searchBar.delegate = self
        
        // 初始化数据模型数组
        dataModels = [
            DataModel(key1: "value1", key2: "value2"),
            DataModel(key1: "value3", key2: "value4"),
            // 其他数据模型...
        ]
    }
    
    // UITableViewDataSource方法实现...
    
    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
        // 根据搜索文本构建NSPredicate过滤条件
        let predicate = NSPredicate(format: "key1 CONTAINS[c] %@ OR key2 CONTAINS[c] %@", searchText, searchText)
        
        // 使用NSPredicate对模型对象数组进行筛选
        let filteredData = dataModels.filter { predicate.evaluate(with: $0) }
        
        // 刷新UITableView显示筛选结果
        // ...
    }
}