在学习FX / FXML时,我终于在代码中用NPE克服了我的问题。我现在有一个不同的问题,一个窗口打开我的TableView,但表中根本没有内容。随着你的忙,我已打印出JobList以确保返回内容,并返回三个作业(正确的数量)。我错过了将表绑定到返回列表的内容吗?
这是代码;
public class SecondInterface implements Initializable {
private JobDataAccessor jAccessor;
private String aQuery = "SELECT * FROM progdb.adamJobs";
private Parent layout;
private Connection connection;
@FXML
TableView<Job> tView;
public void newI(Connection connection) throws Exception {
Stage primaryStage;
primaryStage = MainApp.primaryStage;
this.connection = connection;
System.out.println(connection);
FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("Test1.fxml"));
fxmlLoader.setController(this);
try {
layout = (Parent) fxmlLoader.load();
} catch (IOException exception) {
throw new RuntimeException(exception);
}
primaryStage.getScene().setRoot(layout);
}
public Parent getLayout() {
return layout;
}
@Override
public void initialize(URL url, ResourceBundle rb) {
jAccessor = new JobDataAccessor();
try {
System.out.println("This connection: " + connection);
System.out.println("This query: " + aQuery);
List<Job> jList = jAccessor.getJobList(connection, aQuery);
for (Job j : jList) {
System.out.println(j);
}
tView.getItems().addAll(jAccessor.getJobList(connection, aQuery));
} catch (SQLException e) {
e.printStackTrace();
}
}
}