我已经完成了我需要的代码示例，但是我得到了不可见的网格线。不知道为什么它不起作用，我尝试了不同的设置，但没有运气，这是代码。对不起代码中的混乱：
FXMLdocument.fxml
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.canvas.*?>
<?import javafx.scene.text.*?>
<?import javafx.scene.paint.*?>
<?import javafx.scene.effect.*?>
<?import javafx.embed.swing.*?>
<?import javafx.scene.chart.*?>
<?import javafx.geometry.*?>
<?import javafx.scene.shape.*?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<AnchorPane id="AnchorPane" fx:id="anchorPane" prefHeight="1006.0" prefWidth="1219.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="GUI.FXMLDocumentController">
<children>
<MenuBar layoutX="-1.0" layoutY="2.0" prefHeight="25.0" prefWidth="826.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="2.0">
<menus>
<Menu mnemonicParsing="false" onAction="#menuOverview" text="Overview">
<items>
<CheckMenuItem fx:id="RR_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="1" />
<CheckMenuItem fx:id="RRAnt_Status" mnemonicParsing="false" text="2" />
<CheckMenuItem fx:id="IFF_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="3" />
<CheckMenuItem fx:id="ESM_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="4" />
<CheckMenuItem fx:id="Link_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="5" />
<CheckMenuItem fx:id="C2_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="6" />
<CheckMenuItem fx:id="Ais_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="7" />
<CheckMenuItem fx:id="Msr_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="8" />
<CheckMenuItem fx:id="EOS_Status" mnemonicParsing="false" onAction="#enableCheckBox" text="9" />
</items>
</Menu>
</menus>
<effect>
<InnerShadow />
</effect>
</MenuBar>
<Group />
<SwingNode layoutX="28.0" layoutY="171.0" />
<Pane fx:id="GridPane" layoutX="34.0" layoutY="51.0" prefHeight="553.0" prefWidth="1160.0">
<children>
<ScrollPane layoutX="43.0" layoutY="337.0" prefHeight="200.0" prefWidth="1049.0" vbarPolicy="NEVER">
<content>
<GridPane fx:id="grid" gridLinesVisible="true">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
</columnConstraints>
<rowConstraints>
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
</rowConstraints>
</GridPane>
</content>
</ScrollPane>
</children>
</Pane>
</children>
</AnchorPane>
FXMLDocumentController.java
package GUI;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
import javafx.scene.control.MenuItem;
import javafx.scene.control.CheckMenuItem;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
public class FXMLDocumentController implements Initializable {
@FXML
private MenuItem mnuClose;
@FXML
private AnchorPane anchorPane;
@FXML
private CheckMenuItem RR_Status;
@FXML
private CheckMenuItem IFF_Status;
@FXML
private CheckMenuItem ESM_Status;
@FXML
private CheckMenuItem Link_Status;
@FXML
private CheckMenuItem C2_Status;
@FXML
private CheckMenuItem Ais_Status;
@FXML
private CheckMenuItem EOS_Status;
@FXML
private CheckMenuItem Msr_Status;
//clickable grid
@FXML
private GridPane grid;
//Variable used by table
Integer i = 0;
Integer i_overMsg = 0;
Integer rr_status_row_index;
Integer iff_bit_row_index;
Integer iff_status_row_index;
Integer c2_status_row_index;
Integer esm_status_row_index;
Integer ais_status_row_index;
Integer link_status_row_index;
static Integer doSwitch(Boolean in){
Integer out;
if (in==true)
out = 1;
else
out = 0;
return out;
}
@Override
public void initialize(URL url, ResourceBundle rb) {
if (doSwitch(RR_Status.isSelected())==1) {
String colorname = "Red";
//Status of messages into an array
String[] ArrayColor = new String[11];
ArrayColor[0] = "Red";
ArrayColor[1] = "Green";
ArrayColor[2] = "Yellow";
ArrayColor[3] = "Yellow";
ArrayColor[4] = "Yellow";
ArrayColor[5] = "Yellow";
rr_status_row_index=i;
i++;
i_overMsg++;
}
if (doSwitch(IFF_Status.isSelected())==1) {
//For the clickable grid
grid.addRow(i, new Label("3"));
System.out.println(i);
iff_status_row_index=i;
i++;
grid.addRow(i, new Label("3"));
iff_bit_row_index=i;
i++;
}
//grid.getRowConstraints().add(new RowConstraints(30));
grid.addRow(i, new Label("I am fixed!"));
}
//Method to draw the Grid Panels when action in Menu Overview
@FXML
private void menuOverview(ActionEvent event) {
Integer i = 0;
// CLear previously created Grid Panel
grid.getChildren().clear();
grid.setGridLinesVisible(true);
grid.setStyle("-fx-grid-lines-visible: true;");
if (RR_Status.isSelected()) {
//draw row in Grid Panel
String colorname = "Red";
//Status of messages into an array
String[] ArrayColor = new String[11];
ArrayColor[0] = "Red";
ArrayColor[1] = "Green";
ArrayColor[2] = "Yellow";
ArrayColor[3] = "Yellow";
ArrayColor[4] = "Yellow";
ArrayColor[5] = "Yellow";
//Add label for the RR Status Row
grid.addRow(i, new Label("1"));
for(int count=0; count<11; count++){
Label txt = new Label(" ");
grid.add(txt,count,i);
grid.setGridLinesVisible(true);
grid.setStyle("-fx-grid-lines-visible: true;");
if (count ==3) {
txt.setStyle("-fx-background-color: black;");
}
if (count ==5) {
txt.setStyle("-fx-background-color: blue;");
}
}
rr_status_row_index=i;
i++;
//END draw row for RR_Status
grid.setGridLinesVisible(true);
grid.setStyle("-fx-grid-lines-visible: true;");
}
if (IFF_Status.isSelected()) {
//draw row in Grid Panel
grid.addRow(i, new Label("3"));
System.out.println(i);
iff_status_row_index=i;
i++;
grid.addRow(i, new Label("3"));
iff_bit_row_index=i;
i++;
//END draw row in Grid Panel
}
if (ESM_Status.isSelected()) {
//draw row in Grid Panel
grid.addRow(i, new Label("4"));
System.out.println(i);
esm_status_row_index=i;
i++;
//END draw row in Grid Panel
}
if (C2_Status.isSelected()) {
//draw row in Grid Panel
grid.addRow(i, new Label("6"));
System.out.println(i);
c2_status_row_index=i;
i++;
//END draw row in Grid Panel
}
if (Ais_Status.isSelected()) {
//draw row in Grid Panel
grid.addRow(i, new Label("7"));
System.out.println(i);
ais_status_row_index=i;
i++;
//END draw row in Grid Panel
}
if (Link_Status.isSelected()) {
//draw row in Grid Panel
grid.addRow(i, new Label("5"));
System.out.println(i);
link_status_row_index=i;
i++;
//END draw row in Grid Panel
}
//Draw the fixed row in Grid Panel
grid.addRow(i, new Label("I am fixed!"));
grid.setGridLinesVisible(true);
grid.setStyle("-fx-grid-lines-visible: true;");
}
// NOT USED IN THIS EXAMPLE
//Method to handle the checkboxes connected to the Menu Items
@FXML
private void enableCheckBox(ActionEvent event) {
//Check if RR Menu item is enabled
if (RR_Status.isSelected()) {
}
else {
}
//Check if IFF Menu item is enabled or disabled
if (IFF_Status.isSelected()) {
}
else {
}
//Check if ESM Menu item is enabled or disabled
if (ESM_Status.isSelected()) {
}
else {
}
//Check if C2 Menu item is enabled or disabled
if (C2_Status.isSelected()) {
}
else {
}
//Check if AIS Menu item is enabled or disabled
if (Ais_Status.isSelected()) {
}
else {
}
//Check if LINK Menu item is enabled or disabled
if (Link_Status.isSelected()) {
}
else {
}
//Check if MSR Menu item is enabled or disabled
if (Msr_Status.isSelected()) {
}
else {
}
//Check if EOS Menu item is enabled or disabled
if (EOS_Status.isSelected()) {
}
else {
}
}
// END NOT USED IN THIS EXAMPLE
}
JavaFXApplication1.java
package GUI;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
public class JavaFXApplication1 extends Application {
@Override
public void start(Stage stage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("FXMLdocument.fxml"));
Scene scene = new Scene(root);
stage.setScene(scene);
stage.setTitle("Tester");
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
因此，在概览菜单中选择菜单项之前，会显示网格线，但在选择/取消选择菜单项后，会创建一个新的网格布局，但没有可见的网格线。如何显示网格线？
谢谢！