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手拉手Javafx案例

2024-01-30 70
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简介： 手拉手Javafx案例

JavaFX是Java的下一代图形用户界面工具包。JavaFX是一组图形和媒体API，我们可以用它们来创建和部署富客户端应用程序。

 

JAVAFX案例

Fxml载入项目

public void start(Stage stage) throws Exception {
        stage.setTitle("calculator");
        Pane load = FXMLLoader.load(getClass().getResource("cal.fxml"));
        Scene scene =new Scene(load);
        stage.setScene(scene);
        stage.show();
    }


或

Parent load = FXMLLoader.load(getClass().getResource("src/brickcatalogue/viewpane/brickgame.fxml"));


Fxml添加事件


public class eventcc {
    @FXML
    public void onevent(Event event){
        EventType<? extends Event> eventType = event.getEventType();
        System.out.println(eventType);
    }
}


从Fxml通过id引用控件



模拟简易计算器



calculator

public class calculator extends Application {
    public static void main(String[] args) {
        launch();
    }
    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("calculator");
        Pane load = FXMLLoader.load(getClass().getResource("cal.fxml"));
        Scene scene =new Scene(load);
        stage.setScene(scene);
        stage.show();
    }
}


cal.fxml

<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.text.Font?>
<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="431.0" prefWidth="458.0"
            xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1"
            fx:controller="eventcc">
   <children>
      <AnchorPane layoutX="1.0" layoutY="-3.0" prefHeight="126.0" prefWidth="458.0" style="-fx-background-color: #cdcdcd;">
         <children>
            <Label fx:id="vid" layoutX="375.0" layoutY="39.0" prefHeight="15.0" prefWidth="55.0" text="0" />
            <Label fx:id="result" layoutX="349.0" layoutY="68.0" text="0">
               <font>
                  <Font size="34.0" />
               </font>
            </Label>
         </children>
      </AnchorPane>
      <AnchorPane layoutX="5.0" layoutY="124.0" prefHeight="307.0" prefWidth="450.0">
         <children>
            <Button layoutX="14.0" layoutY="14.0" mnemonicParsing="false" text="/" onAction="#onevent"/>
            <Button layoutX="14.0" layoutY="51.0" mnemonicParsing="false" text="Button" onAction="#onevent"/>
            <Button layoutX="14.0" layoutY="89.0" mnemonicParsing="false" text="7" onAction="#onevent"/>
            <Button layoutX="14.0" layoutY="130.0" mnemonicParsing="false" text="4" onAction="#onevent"/>
            <Button layoutX="14.0" layoutY="166.0" mnemonicParsing="false" text="1" onAction="#onevent"/>
            <Button layoutX="14.0" layoutY="210.0" mnemonicParsing="false" text="+/-" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="14.0" mnemonicParsing="false" text="CE" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="51.0" mnemonicParsing="false" text="Button" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="89.0" mnemonicParsing="false" text="8" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="130.0" mnemonicParsing="false" text="5" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="166.0" mnemonicParsing="false" text="2" onAction="#onevent"/>
            <Button layoutX="96.0" layoutY="210.0" mnemonicParsing="false" text="0" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="14.0" mnemonicParsing="false" text="C" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="51.0" mnemonicParsing="false" text="Button" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="89.0" mnemonicParsing="false" text="9" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="130.0" mnemonicParsing="false" text="6" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="166.0" mnemonicParsing="false" text="3" onAction="#onevent"/>
            <Button layoutX="197.0" layoutY="210.0" mnemonicParsing="false" text="." onAction="#onevent"/>
            <Button layoutX="299.0" layoutY="14.0" mnemonicParsing="false" text="x" onAction="#onevent"/>
            <Button layoutX="299.0" layoutY="51.0" mnemonicParsing="false" text="后退" onAction="#returnval"/>
            <Button layoutX="299.0" layoutY="89.0" mnemonicParsing="false" text="\%" onAction="#onevent"/>
            <Button layoutX="299.0" layoutY="130.0" mnemonicParsing="false" text="*" onAction="#onevent"/>
            <Button layoutX="299.0" layoutY="166.0" mnemonicParsing="false" text="-" onAction="#onevent"/>
            <Button layoutX="299.0" layoutY="210.0" mnemonicParsing="false" text="=" onAction="#onevent"/>
         </children>
      </AnchorPane>
   </children>
</AnchorPane>


eventcc

import javafx.event.Event;
import javafx.event.EventTarget;
import javafx.event.EventType;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
public class eventcc {
    @FXML
    private Label vid;
    @FXML
    private Label result;
    boolean isNumber = true;
    @FXML
    public void onevent(Event event){
        EventTarget target = event.getTarget();
        Button button =(Button) target;
        System.out.println(button.getText());
        //获取button的值
        String text= button.getText();
        try {
            long i = Long.parseLong(text);
            if (isNumber){
                String resultval =result.getText();
                long newVal =Long.parseLong(resultval) * 10 +i;
                result.setText(newVal +"");
            }else {
                result.setText(text);
            }
        }catch (Exception ex){
            switch (text){
                case "+":
                   // long a = Long.parseLong(result.getText());
                    vid.setText(result.getText() + "+");
                    break;
                case "-":
                    vid.setText(result.getText() + "-");
                    break;
                case "*":
                    vid.setText(result.getText() + "*");
                    break;
                case "%":
                    vid.setText(result.getText() + "%");
                    break;
                case "=":
                    String express = vid.getText() +result.getText();
                    vid.setText(vid.getText() +result.getText()+"=");
                    if (express.contains("+")){
                        String[] split =express.split("\\+");
                        long jisuan = jisuan(Integer.parseInt(split[0]), Integer.parseInt(split[1]), "+");
                        result.setText(String.valueOf(jisuan));
                    }else if (express.contains("-")){
                        String[] split =express.split("\\-");
                        long jisuan = jisuan(Integer.parseInt(split[0]), Integer.parseInt(split[1]), "-");
                        result.setText(String.valueOf(jisuan));
                    }else if (express.contains("*")){
                        String[] split =express.split("\\*");
                        long jisuan = jisuan(Integer.parseInt(split[0]), Integer.parseInt(split[1]), "*");
                        result.setText(String.valueOf(jisuan));
                    }else if (express.contains("%")){
                        String[] split =express.split("\\%");
                        long jisuan = jisuan(Integer.parseInt(split[0]), Integer.parseInt(split[1]), "%");
                        result.setText(String.valueOf(jisuan));
                    }
                    break;
                default:
                    break;
            }
        }
        isNumber =false;
    }
    private long jisuan(int a,int b ,String operator) {
         long result = 0;
        switch (operator){
            case "+":
                result = a + b;
                break;
            case "-":
                result = a - b;
                break;
            case "*":
                result = a * b;
                break;
            case "%":
                result = a % b;
                break;
            case "=":
                break;
            default:
                break;
        }
        return result;
    }
    //退一步
    @FXML
    public void returnval(Event event){
        try {
            String resultval =result.getText();
            long newVal =Long.parseLong(resultval) / 10;
            result.setText(newVal +"");
        }catch (Exception ex){
        }
    }
}


简易拖拽事件



Main类

public class DragMain extends Application {
    public static Scene scene;
    public static Stage stage;
    public static void main(String[] args) {
        launch();
    }
    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("SimpleDrag");
        Pane load = FXMLLoader.load(getClass().getResource("com/javafx/view/Windows.fxml")); //或者parent
        scene =new Scene(load);
        stage.setScene(scene);
        stage.show();
    }
}


Windows.fxml

<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.Menu?>
<?import javafx.scene.control.MenuBar?>
<?import javafx.scene.control.MenuItem?>
<?import javafx.scene.control.SplitPane?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.text.Font?>
<AnchorPane prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.javafx.controller.WindosController">
   <children>
      <SplitPane dividerPositions="0.29797979797979796" layoutX="-1.0" layoutY="-3.0" prefHeight="408.0" prefWidth="600.0">
        <items>
          <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="398.0" prefWidth="121.0">
               <children>
                  <TextField fx:id="xPostion" layoutX="43.0" layoutY="99.0" prefHeight="23.0" prefWidth="111.0" />
                  <Label layoutX="14.0" layoutY="103.0" text="X" />
                  <Label layoutX="14.0" layoutY="145.0" text="Y" />
                  <TextField fx:id="yPosition" layoutX="43.0" layoutY="140.0" prefHeight="23.0" prefWidth="111.0" />
                  <TextField fx:id="TextContent" layoutX="43.0" layoutY="186.0" prefHeight="23.0" prefWidth="111.0" />
                  <Label layoutX="9.0" layoutY="189.0" text="Text" />
                  <Button fx:id="determine" layoutX="62.0" layoutY="256.0" mnemonicParsing="false" text="确定" onAction="#updateProperties">
                     <font>
                        <Font size="16.0" />
                     </font>
                  </Button>
                  <MenuBar layoutY="1.0" prefHeight="34.0" prefWidth="175.0">
                    <menus>
                      <Menu mnemonicParsing="false" text="组件">
                        <items>
                            <MenuItem mnemonicParsing="false" onAction="#selectLable" text="标签" />
                            <MenuItem mnemonicParsing="false" onAction="#selectButton" text="形状" />
                            <MenuItem mnemonicParsing="false" onAction="#cancelselect" text="取消选中" />
                        </items>
                      </Menu>
                      <Menu mnemonicParsing="false" onAction="#delect" text="操作">
                        <items>
                          <MenuItem mnemonicParsing="false" text="Delete" />
                        </items>
                      </Menu>
                      <Menu mnemonicParsing="false" text="帮助">
                        <items>
                          <MenuItem mnemonicParsing="false" text="About" />
                        </items>
                      </Menu>
                    </menus>
                  </MenuBar>
               </children>
            </AnchorPane>
          <AnchorPane fx:id="contendPaneShow" minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0" />
        </items>
      </SplitPane>
   </children>
</AnchorPane>


fx:controller="com.javafx.controller.WindosController"


WindosController

public class WindosController {
    private static final int LABEL =1;
    private static final  int BUTTON =2;
    private Node selected;
    private int currentType=0;
    @FXML
    private AnchorPane contendPaneShow;
    @FXML
    private Button determine;
    @FXML
    private TextField xPostion;
    @FXML
    private TextField yPosition;
    @FXML
    private TextField TextContent;
    @FXML
    public void selectLable(Event event) {
        currentType =LABEL;
    }
    @FXML
    public void selectButton(Event event) {
        currentType = BUTTON;
    }
    @FXML
    public void cancelselect(Event event){currentType = 0;};
    @FXML
    public void initialize(){
        contendPaneShow.setOnMouseClicked(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent event) {
                if (currentType <= 0){
                    return;
                }
                    double x = event.getX();
                    double y =event.getY();
                if (currentType == 2){
                    Rectangle rectangle = new Rectangle();
                    rectangle.setFill(Color.YELLOW);
                    rectangle.setWidth(40);
                    rectangle.setHeight(50);
                    rectangle.setLayoutX(x);
                    rectangle.setLayoutY(y);
                    contendPaneShow.getChildren().add(rectangle);
                    rectangle.setOnMouseClicked((e)->{
                        currentType =0;
                        //将节点赋给selected
                        selected=rectangle;
                        xPostion.setText(String.valueOf(rectangle.getLayoutX()));
                        yPosition.setText(String.valueOf(rectangle.getLayoutY()));
                        TextContent.setText("形状");
                    });
                    //拖拽事件
                    contendPaneShow.setOnMouseDragged(new EventHandler<MouseEvent>() {
                        @Override
                        public void handle(MouseEvent event) {
                            if (selected != null) {
                                selected.setLayoutX(event.getX());
                                selected.setLayoutY(event.getY());
                                xPostion.setText(String.valueOf(event.getX()));
                                yPosition.setText(String.valueOf(event.getY()));
                            }
                        }
                    });
                }
                if (currentType == 1){
                    Label label =new Label("标签");
                    label.setStyle("-fx-background-color: #548e3f");
                    label.setLayoutX(x);
                    label.setLayoutY(y);
                    contendPaneShow.getChildren().add(label);
                    label.setOnMouseClicked((e)->{
                        currentType =0;
                        //将节点赋给selected
                        selected=label;
                        xPostion.setText(String.valueOf(label.getLayoutX()));
                        yPosition.setText(String.valueOf(label.getLayoutY()));
                        TextContent.setText(label.getText());
                    });
                    //拖拽事件
                    contendPaneShow.setOnMouseDragged(new EventHandler<MouseEvent>() {
                        @Override
                        public void handle(MouseEvent event) {
                            if (selected != null){
                                selected.setLayoutX(event.getX());
                                selected.setLayoutY(event.getY());
                                xPostion.setText(String.valueOf(label.getLayoutX()));
                                yPosition.setText(String.valueOf(label.getLayoutY()));
                            }
                        }
                    });
                }
            }
        });
        //determine.setAccessibleText(String.valueOf(KeyCombination.valueOf("Enter")));
    }
    public void updateProperties(){
        if (selected ==null) {return;} else {
            selected.setLayoutX(Double.parseDouble(xPostion.getText()));
            selected.setLayoutY(Double.parseDouble(yPosition.getText()));
            if (selected instanceof Rectangle){
                Rectangle button = (Rectangle) selected;
            }else if (selected instanceof Label){
                Label label = (Label) selected;
                label.setText(TextContent.getText());
            }
        }
    }
    @FXML
    public void delect(){
        boolean b = contendPaneShow.getChildren().removeAll();
        System.out.println(b);
    }
}


简易拖拽事件2



Main类

public class DragMain extends Application {
    public static Scene scene;
    public static Stage stage;
    public static void main(String[] args) {
        launch();
    }
    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("SimpleDrag");
        Pane load = FXMLLoader.load(getClass().getResource("com/javafx/view/Windows.fxml")); //或者parent
        scene =new Scene(load);
        stage.setScene(scene);
        stage.show();
    }
}


Windows.fxml

<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.Menu?>
<?import javafx.scene.control.MenuBar?>
<?import javafx.scene.control.MenuItem?>
<?import javafx.scene.control.SplitPane?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.text.Font?>
<AnchorPane prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.javafx.controller.WindosController">
   <children>
      <SplitPane dividerPositions="0.29797979797979796" layoutX="-1.0" layoutY="-3.0" prefHeight="408.0" prefWidth="600.0">
        <items>
          <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="398.0" prefWidth="121.0">
               <children>
                  <TextField layoutX="43.0" layoutY="99.0" prefHeight="23.0" prefWidth="111.0" fx:id="xPostion" />
                  <Label layoutX="14.0" layoutY="103.0" text="X" />
                  <Label layoutX="14.0" layoutY="145.0" text="Y" />
                  <TextField fx:id="yPosition" layoutX="43.0" layoutY="140.0" prefHeight="23.0" prefWidth="111.0" />
                  <TextField fx:id="TextContent" layoutX="43.0" layoutY="186.0" prefHeight="23.0" prefWidth="111.0" />
                  <Label layoutX="9.0" layoutY="189.0" text="Text" />
                  <Button fx:id="determine" layoutX="62.0" layoutY="256.0" mnemonicParsing="false" onAction="#updateProperties" text="确定">
                     <font>
                        <Font size="16.0" />
                     </font>
                  </Button>
                  <MenuBar layoutY="1.0" prefHeight="34.0" prefWidth="175.0">
                    <menus>
                      <Menu mnemonicParsing="false" text="组件">
                        <items>
                            <MenuItem mnemonicParsing="false" onAction="#selectLable" text="标签" />
                            <MenuItem mnemonicParsing="false" onAction="#selectButton" text="形状" />
                            <MenuItem mnemonicParsing="false" onAction="#cancelselect" text="取消选中" />
                        </items>
                      </Menu>
                      <Menu mnemonicParsing="false" text="操作">
                        <items>
                            <MenuItem mnemonicParsing="false" onAction="#delect" text="清空" />
                            <MenuItem mnemonicParsing="false" onAction="#copy" text="复制" />
                            <MenuItem mnemonicParsing="false" onAction="#delete" text="删除" />
                        </items>
                      </Menu>
                      <Menu mnemonicParsing="false" text="帮助" >
                        <items>
                          <MenuItem mnemonicParsing="false" text="About" onAction="#helpShow"/>
                        </items>
                      </Menu>
                    </menus>
                  </MenuBar>
                  <Label layoutX="9.0" layoutY="57.0" text="被选中组件数：" />
                  <TextField fx:id="conut" layoutX="108.0" layoutY="53.0" prefHeight="23.0" prefWidth="44.0" />
               </children>
            </AnchorPane>
          <AnchorPane fx:id="contendPaneShow" minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0" />
        </items>
      </SplitPane>
   </children>
</AnchorPane>


fx:controller="com.javafx.controller.WindosController"


WindosController

public class WindosController {
    private static final int LABEL =1;
    private static final  int BUTTON =2;
    private Node selected;
    private Polyline route = new Polyline();
    private Set<Node> circled =new HashSet<>();
    private int currentType=0;
    @FXML
    private AnchorPane contendPaneShow;
    @FXML
    private Button determine;
    @FXML
    private TextField xPostion;
    @FXML
    private TextField yPosition;
    @FXML
    private TextField TextContent;
    @FXML
    private TextField conut;
    @FXML
    public void selectLable(Event event) {
        currentType =LABEL;
    }
    @FXML
    public void selectButton(Event event) {
        currentType = BUTTON;
    }
    @FXML
    public void cancelselect(Event event){
        currentType = 0;
        selected=null;
        xPostion.setText("");
        yPosition.setText("");
        TextContent.setText("");
    };
    @FXML
    public void initialize(){
        contendPaneShow.getChildren().add(route);
        contendPaneShow.setOnMouseClicked(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent event) {
                if (currentType <= 0){
                    return;
                }
                    double x = event.getX();
                    double y =event.getY();
                if (currentType == 2){
                    Rectangle rectangle = new Rectangle();
                    rectangle.setFill(Color.YELLOW);
                    rectangle.setWidth(40);
                    rectangle.setHeight(50);
                    rectangle.setLayoutX(x);
                    rectangle.setLayoutY(y);
                    contendPaneShow.getChildren().add(rectangle);
                    rectangle.setOnMouseClicked((e)->{
                        currentType =0;
                        //将节点赋给selected
                        selected=rectangle;
                        xPostion.setText(String.valueOf(rectangle.getLayoutX()));
                        yPosition.setText(String.valueOf(rectangle.getLayoutY()));
                        TextContent.setText("形状");
                    });
                }
                if (currentType == 1){
                    Label label =new Label("标签");
                    label.setStyle("-fx-background-color: #efb3b3");
                    label.setLayoutX(x);
                    label.setLayoutY(y);
                    contendPaneShow.getChildren().add(label);
                    label.setOnMouseClicked((e)->{
                        currentType =0;
                        //将节点赋给selected
                        selected=label;
                        xPostion.setText(String.valueOf(label.getLayoutX()));
                        yPosition.setText(String.valueOf(label.getLayoutY()));
                        TextContent.setText(label.getText());
                    });
                }
                //拖拽事件
                contendPaneShow.setOnMouseDragged(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        if (selected != null) {
                            selected.setLayoutX(event.getX());
                            selected.setLayoutY(event.getY());
                            xPostion.setText(String.valueOf(event.getX()));
                            yPosition.setText(String.valueOf(event.getY()));
                        }else {
                            route.getPoints().addAll(event.getX(),event.getY());
                        }
                    }
                });
                //鼠标释放事件
                contendPaneShow.setOnMouseReleased(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        //Polygon可自动闭合
                        Polygon wrapper = new Polygon();
                        wrapper.getPoints().addAll(route.getPoints());
                        for (Node child : contendPaneShow.getChildren()) {
                            if (child==route){
                                continue;
                            }
                            if (child instanceof Label ){
                                Label lab = (Label)child;
                                if (iscontain(wrapper,lab.getLayoutX(),lab.getLayoutY(),lab.getWidth(),lab.getHeight())){
                                    circled.add(lab);
                                }
                            }
                            if (child instanceof Rectangle ){
                                Rectangle Rec = (Rectangle)child;
                                if (iscontain(wrapper,Rec.getLayoutX(),Rec.getLayoutY(),Rec.getWidth(),Rec.getHeight())){
                                    circled.add(Rec);
                                }
                            }
                        }
                        route.getPoints().clear();
                        if (circled.size() > 0){
                            int counts =circled.size();
                            conut.setText(String.valueOf(counts));
                        }
                    }
                });
            }
        });
    }
    //是否包含组件
    private boolean iscontain(Polygon wrapper,double x,double y,double width,double height){
        return wrapper.contains(x,y) && wrapper.contains(x+width,y)
                && wrapper.contains(x,y+height) && wrapper.contains(x+width,y+height);
    }
    @FXML
    public void updateProperties(){
        if (selected ==null) {return;} else {
            selected.setLayoutX(Double.parseDouble(xPostion.getText()));
            selected.setLayoutY(Double.parseDouble(yPosition.getText()));
            if (selected instanceof Rectangle){
                Rectangle button = (Rectangle) selected;
            }else if (selected instanceof Label){
                Label label = (Label) selected;
                label.setText(TextContent.getText());
            }
        }
    }
    //清空
    @FXML
    public void delect(ActionEvent actionEvent){
        contendPaneShow.getChildren().clear();
        xPostion.setText("");
        yPosition.setText("");
        TextContent.setText("");
        conut.setText("");
        circled.clear();
    }
    //
    @FXML
    private void copy(ActionEvent actionEvent){
        if (selected != null){
            //单选
            choiceCopy(selected);
            //多选
        }else if (!circled.isEmpty()){
            for (Node node : circled) {
                choiceCopy(node);
            }
        }
    }
    @FXML
//删除
    public void delete(ActionEvent actionEvent){
        if (selected != null){
            contendPaneShow.getChildren().remove(selected);
            xPostion.setText("");
            yPosition.setText("");
            TextContent.setText("");
            if (!circled.isEmpty()){
                for (Node node : circled) {
                    contendPaneShow.getChildren().remove(node);
                    xPostion.setText("");
                    yPosition.setText("");
                    TextContent.setText("");
                }
                }
        }
    }
    @FXML
    public void helpShow(ActionEvent actionEvent){
        Alert alert =new Alert(Alert.AlertType.CONFIRMATION);
        alert.setTitle("信息框");
        alert.setHeaderText("simple拖拽");
        alert.setContentText("simple拖拽版本1.0.0");
        //alert.show();
        Optional<ButtonType> buttonType =alert.showAndWait();
        System.out.println(buttonType.get());
    }
    private void choiceCopy(Node node) {
        if (node instanceof Label) {
            //赋值 Lable
            Label cope1 = new Label("cope1");
            cope1.setLayoutX(node.getLayoutX() + 50);
            cope1.setLayoutY(node.getLayoutY() + 50);
            cope1.setStyle("-fx-background-color: #a3ebf5");
            contendPaneShow.getChildren().add(cope1);
            //点击事件
            cope1.setOnMouseClicked((e) -> {
                currentType = 0;
                //将节点赋给selected
                selected = cope1;
                xPostion.setText(String.valueOf(cope1.getLayoutX()));
                yPosition.setText(String.valueOf(cope1.getLayoutY()));
                TextContent.setText(cope1.getText());
            });
        } else if (node instanceof Rectangle) {
            //赋值
            Rectangle cope2 = new Rectangle();
            cope2.setFill(Color.BLUE);
            cope2.setStroke(Color.YELLOW);
            cope2.setWidth(40);
            cope2.setHeight(50);
            cope2.setLayoutX(node.getLayoutX() + 50);
            cope2.setLayoutY(node.getLayoutY() + 50);
            contendPaneShow.getChildren().add(cope2);
            cope2.setOnMouseClicked((e) -> {
                currentType = 0;
                //将节点赋给selected
                selected = cope2;
                xPostion.setText(String.valueOf(cope2.getLayoutX()));
                yPosition.setText(String.valueOf(cope2.getLayoutY()));
                TextContent.setText("形状");
            });
        }
    }
}


JavaFX允许开发人员快速构建丰富的跨平台应用程序。JavaFX通过硬件加速图形支持现代GPU。


JavaFX允许开发人员在单个编程接口中组合图形，动画和UI控件。


图表编程语言可用于开发互联网应用程序(RIA）。JavaFX技术主要应用于创建Rich Internet applications（RIAs）。当前的JavaFX包括JavaFX脚本和JavaFX Mobile（一种运营于行动装置的操作系统），今后JavaFX将包括更多的产品。JavaFX Script编程语言（以下称为JavaFX）是一种声明性的、静态类型脚本语言。


JavaFX技术有着良好的前景，包括可以直接调用Java API的能力。因为 JavaFX Script是静态类型，它同样具有结构化代码、重用性和封装性，如包、类、继承和单独编译和发布单元，这些特性使得使用JavaFX技术创建和管理大型程序变为可能。


可用性：


  • JavaFX API与Java SE运行时环境（JRE）和Java开发工具包（JDK）捆绑在一起。
  • JDK可用于所有主要的桌面平台，Windows，Mac OS X和Linux。 JavaFX应用程序可以在所有主要的桌面平台上编译和运行。
  • JDK for ARM平台包括JavaFX的基础，图形和控件组件。


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