?? gwtclient.java
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package com.java2s.gwt.client;import com.google.gwt.core.client.EntryPoint;import com.google.gwt.user.client.Window;import com.google.gwt.user.client.ui.Button;import com.google.gwt.user.client.ui.ClickListener;import com.google.gwt.user.client.ui.RootPanel;import com.google.gwt.user.client.ui.Widget;import com.google.gwt.user.client.ui.DialogBox;import com.google.gwt.user.client.ui.DockPanel;import com.google.gwt.user.client.ui.HTML;import com.google.gwt.user.client.ui.Image;public class GWTClient implements EntryPoint { public void onModuleLoad() { Button b = new Button("Click me", new ClickListener() { public void onClick(Widget sender) { DialogBox dlg = new MyDialog(); dlg.center(); } }); RootPanel.get().add(b); }}class MyDialog extends DialogBox implements ClickListener { public MyDialog() { setText("Sample DialogBox"); Button closeButton = new Button("Close", this); HTML msg = new HTML("<center>A standard dialog box component.</center>",true); DockPanel dock = new DockPanel(); dock.setSpacing(4); dock.add(closeButton, DockPanel.SOUTH); dock.add(msg, DockPanel.NORTH); dock.add(new Image("images/yourImage.jpg"), DockPanel.CENTER); dock.setCellHorizontalAlignment(closeButton, DockPanel.ALIGN_RIGHT); dock.setWidth("100%"); setWidget(dock); } public void onClick(Widget sender) { hide(); }}?? 快捷鍵說明
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