我用 Netbeans 和 XML 为我制作了一个小浏览器。我使用 TextField 手动输入网址。如果我填写了错误的 url（例如http://www.usususususuuuuuu.com），broser 很忙，但没有任何反应。如何处理这种状态。对我来说有趣的是 handleSearchButton(ActionEvent event) 方法。
非常感谢！
public class FXMLDocumentController implements Initializable {
private Label label;
@FXML
private Button buttonHome;
@FXML
private Button buttonSearch;
private ToggleButton favorites;
@FXML
private Label labelStatus;
@FXML
private WebView webView;
private WebEngine browser;
@FXML
private TextField textField;
@FXML
private ProgressBar progressBar;
@FXML
private ChoiceBox<String> favBox;
private ObservableList<String> olist;
private TreeSet<String> list;
@FXML
private Button RemoveFavorit;
@Override
public void initialize(URL url, ResourceBundle rb) {
browser = this.webView.getEngine();
browser.load("http://www.donau-uni.ac.at");
this.handleLoadingState();
list = new TreeSet<>();
olist = FXCollections.observableArrayList(list);
favBox.getItems().clear();
favBox.getItems().addAll(list);
}
@FXML
private void handleHomeButton(ActionEvent event) {
this.handleLoadingState();
browser.load("http://www.donau-uni.ac.at");
}
@FXML
private void handleSearchButton(ActionEvent event) {
this.handleLoadingState();
String url = this.textField.getText();
if (!url.startsWith("http://")) {
url = "http://" + url;
}
browser.load(url);
}