JavaFx - 动态JXML,在初始化时添加窗格元素
问题描述:
我是JavaFX中的新手,并且随着任何新手的涌入,我充满怀疑。 所以我要填充一个<AnchorPane>
儿童<Pane>
这样FXML代码:JavaFx - 动态JXML,在初始化时添加窗格元素
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import javafx.scene.layout.*?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<AnchorPane fx:id="anchor" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="300.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.Controller">
<children>
<!-- Add multiple Panels here-->
</children>
</AnchorPane>
我的控制器看起来是这样的:
package sample;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import java.net.URL;
import java.util.ResourceBundle;
public class Controller implements Initializable {
@FXML javafx.scene.layout.AnchorPane anchor;
@FXML javafx.scene.layout.Pane pane;
@Override
public void initialize(URL location, ResourceBundle resources) {
pane.prefHeight(100);
pane.prefWidth(300);
pane.setStyle("-fx-background-color: aqua");
for(int i = 0; i < 3; i++) {
anchor.getChildren().add(pane);
pane.setLayoutY(i*100);
}
}
}
希望有人能帮助我...谢谢!
答
它的解决方法是...
的FXML代码:
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.*?>
<?import java.lang.*?>
<?import javafx.scene.layout.*?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<AnchorPane fx:id="anchor" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="300.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.Controller">
<children>
<ScrollPane prefHeight="400.0" prefWidth="300.0">
<content>
<GridPane fx:id="gridPane" prefHeight="410.0" prefWidth="294.0"></GridPane>
</content>
</ScrollPane>
</children>
</AnchorPane>
控制器类:
package sample;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.scene.text.Font;
import java.net.URL;
import java.util.ResourceBundle;
public class Controller implements Initializable {
@FXML private GridPane gridPane;
private Pane paneContainer;
private Label paneLabel;
@Override
public void initialize(URL url, ResourceBundle resourceBundle) {
for(int i = 0; i<4; i++) {
paneLabel = new Label();
paneLabel.setText("it is..." + i);
paneContainer = new Pane();
paneContainer.setStyle("-fx-background-color: aqua; -fx-border-style: solid; -fx-border-width: 1px; -fx-border-color:#000; ");
paneContainer.setPrefWidth(200);
paneContainer.setPrefHeight(100);
paneContainer.getChildren().add(paneLabel);
gridPane.add(paneContainer, 0, i);
}
}
}
使用GridPane是做到这一点的最简单的办法!
任何UI对象只能显示一次。如果你需要多次展示,你需要每次创建它的一个实例。 –