Java 用另一个窗口打开一个窗口?

Java 用另一个窗口打开一个窗口?,java,vaadin,Java,Vaadin,我的vaadin项目中有一个窗口,现在我想打开另一个窗口 我正在试这个 public class MyWindow extends Window { /** this is a window that I want open */ public MyWindow() { super("MyWindow"); center(); VerticalLayout vLayout = new VerticalLayout();

我的vaadin项目中有一个窗口,现在我想打开另一个窗口

我正在试这个

public class MyWindow extends Window {
    /** this is a window that I want open */ 
    public MyWindow() {
        super("MyWindow");
        center();
        VerticalLayout vLayout = new VerticalLayout();
        vLayout.addComponent(new Label("MyWindow is opened");
        setContent(vLayout);
    }
}

public class OpenMyWindow extends Window {
    /** this is a window that should open MyWindow */
    private Button btnOpenMyWindow;
    public OpenMyWindow() {
        super("OpenMyWindow");
        center();
        VerticalLayout vLayout = new VerticalLayout();
        btnOpenMyWindow = new Button("Open My Window");
        btnOpenMyWindow.addClickListener(new Button.ClickListener() {   
            @Override       
            public void buttonClick(ClickEvent event) {
                new MyWindow().setVisible(true);
            }     
        });
        vLayout.addComponent(btnOpenMyWindow);
        setContent(vLayout);
    } 
}
如何做到这一点?

您可以使用以下方法:


请退房

Nevermind。如果你觉得这个答案有帮助,请,
...
MyWindow myWindow = new MyWindow();
UI.getCurrent().addWindow(myWindow);
...