客户端 UI 编程

快速进入

Starter

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public class App extends Application {    @Override    public void start(Stage primaryStage) {        Pane pane = new Pane();        Scene scene = new Scene(pane, 800, 600);         primaryStage.setScene(scene);        primaryStage.show();    }     public static void main(String[] args) {        App.launch(args);    }}   

增加界面元素

3大步

1. 新建组件对象

2. 设置属性

3. 增加到父级容器里

样例代码

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public class App extends Application {    @Override    public void start(Stage primaryStage) {        Pane pane = new Pane();        Scene scene = new Scene(pane, 1000, 100);         // step 1        Label label = new Label("LABEL");         // step 2        label.setLayoutX(100);        label.setLayoutY(20);         // step 3        pane.getChildren().add(label);         primaryStage.setScene(scene);        primaryStage.show();    }     public static void main(String[] args) {        App.launch(args);    }}

事件响应

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package com;public class App extends Application {    @Override    public void start(Stage primaryStage) {        Pane pane = new Pane();        Scene scene = new Scene(pane, 1000, 100);         ...         Button button = new Button("点我啊");        button.setLayoutX(100);        button.setLayoutY(80);        button.setPrefWidth(100);        pane.getChildren().add(button);         button.setOnAction(new EventHandler<ActionEvent>() {            @Override            public void handle(ActionEvent event) {                // 被点击时会执行            }        });         ...         primaryStage.setScene(scene);        primaryStage.show();    }     public static void main(String[] args) {        App.launch(args);    }}