javafx模态窗口

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public class StageTest extends Application {@Overridepublic void start(Stage primaryStage) throws Exception {primaryStage.setWidth(600);primaryStage.setHeight(400);primaryStage.setScene(new Scene(new StackPane()));primaryStage.show();{// 非模态Stage stage = new Stage();stage.setWidth(300);stage.setHeight(200);stage.show();}{// 模态Stage stage = new Stage();stage.initModality(Modality.APPLICATION_MODAL);stage.setWidth(300);stage.setHeight(200);stage.show();}}public static void main(String[] args) {Application.launch(args);}}