网页跳转问题,我想弄个进度条?(javascript好像很难办到)!

<%@ page contentType="text/html; charset=utf-8" language="java"
	errorPage=""%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<%
GroupBean groupBean = groupMng.getGroupInfo(UNID);

if (groupBean != null) {
	response.sendRedirect(index.jsp?"+ "UNID=" + UNID);
}

%>
<body>
</body>
</html>


网页跳转问题,我想弄个进度条?(javascript好像很难办到)!

有没有 直接用 java弄的 进度条!

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