我在initialize()方法中调用onAction(ActionEvent事件)方法时遇到javafx问题 .
这是javafx代码:
public class MainViewController implements Initializable {
@FXML
private Label lblHeading;
@Override
public void initialize(URL url, ResourceBundle rb) {
btnLoginUserOnAction(null);
}
@FXML
private void btnLoginUserOnAction(ActionEvent event) {
String getId = ((Button) event.getSource()).getText();
lblHeading.setText(getId);
}
}
我如何在 initialize(URL url, ResourceBundle rb)
中调用 btnLoginUserOnAction(ActionEvent event)
. 如果我将 null
传递给 ActionEvent
参数,那么我显示 execption
因为 Event
us null
.
任何帮助???