豬

Gwt中調(diào)用panel的setUrl方法嵌入一個(gè)網(wǎng)頁
在網(wǎng)頁加載過程中加入wait
在頁面中加入javascript
var ready = false; 
$j(document).ready(function(){
ready = true; 
});//這里用了jquery

然后再java中聲明
public native boolean ready(Element frame)/*-{
return frame.contentWindow.ready?true:false;
}-*/;

然后在設(shè)置Frame的url時(shí)
olapFrame = centerCp.setUrl(GWT.getHostPageBaseURL()
+ com.google.gwt.http.client.URL.encode("jsp/showOlap.jsp?dim="
+ dims + "&dimname=" + colLabels + ""));
final MessageBox box = MessageBox.wait("等待", "正在查詢數(shù)據(jù)，請(qǐng)稍后...", "查詢中...");
final Element frame = olapFrame.getElement();
final Timer t = new Timer() {
@Override
public void run() {
if (ready(frame)) {
this.cancel();
box.close();
}
}
};
t.scheduleRepeating(100);