updateSearchResultsForSearchController JSON(updateSearchResultsForSearchController JSON)

updateSearchResultsForSearchController JSON(updateSearchResultsForSearchController JSON)

我尝试将搜索实现到我的tableview，我收到以下错误。 我将如何实现JSON数据？

var articleList: [JSON]? = [] var searchResults: [JSON]? = []

和我的updateSearchResultsForSearchController函数：

func updateSearchResultsForSearchController(searchController: UISearchController) { self.searchResults?.removeAll(keepCapacity: false) let searchPredicate = NSPredicate(format: "SELF CONTAINS[c] %@", searchController.searchBar.text) let array = (articleList as NSArray).filteredArrayUsingPredicate(searchPredicate) searchResults = array as! [String] self.tableView.reloadData() }

错误：'[JSON]？ 不能转换为'NSArray'

谢谢...

I try to implement search to my tableview, I got the following error. How I am going to implement for JSON data?

var articleList: [JSON]? = [] var searchResults: [JSON]? = []

And my updateSearchResultsForSearchController function :

func updateSearchResultsForSearchController(searchController: UISearchController) { self.searchResults?.removeAll(keepCapacity: false) let searchPredicate = NSPredicate(format: "SELF CONTAINS[c] %@", searchController.searchBar.text) let array = (articleList as NSArray).filteredArrayUsingPredicate(searchPredicate) searchResults = array as! [String] self.tableView.reloadData() }

ERROR : '[JSON]?' is not convertible to 'NSArray'

Thanks...

最满意答案

从Swift数组中创建（而不是强制转换）新的NSArray：

let nsArticleList = NSArray(array: articleList!)

然后使用它：

let array = nsArticleList.filteredArrayUsingPredicate(searchPredicate)

Make (instead of cast) a new NSArray from your Swift array:

let nsArticleList = NSArray(array: articleList!)

Then use it:

let array = nsArticleList.filteredArrayUsingPredicate(searchPredicate)