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SwiftSearchDemo

11月21日练习

  • 搜索栏的使用,定义一个UISearchController,使用UISearchResultsUpdating并实现其代理方法:
    func updateSearchResults(for searchController: UISearchController) {
        if var text = searchController.searchBar.text {
            text = text.trimmingCharacters(in: .whitespaces)
            searchFilter(text: text)
            marvelTableView.reloadData()
        }
    }

使用数组的filter函数对原始数据进行筛选以实现搜索功能:

    func searchFilter(text: String) {
        self.searchResults = movies.filter({ (movie) -> Bool in
            return movie.name.localizedCaseInsensitiveContains(text)
        })
    }

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Swift UISearchController的使用

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