<1>action:IsGoAction
package com.dreamers.search;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class IsGoAction extends ActionSupport{
/**
*
*/
private static final long serialVersionUID = 1L;
public String execute(){
String name =(String)ActionContext.getContext().getSession().get("nn");
ThreadGroup group = Thread.currentThread().getThreadGroup();
ThreadGroup parent = null;
while ( (parent = group.getParent()) != null ) {
group = parent;
}
Thread[] threads = new Thread[group.activeCount()];
group.enumerate(threads);
for(int i = 0; i < threads.length; i++){
if(threads[i].getName().equals(name)){
while(threads[i].isAlive()){
}
}
}
System.out.println("isgo action");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return SUCCESS;
}
}
<2>wait.jsp
<%@ page language="java" import="java.util.*" import ="java.io.File"
pageEncoding="GBK"%>
<%@ page contentType="text/html;charset=GBK"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Javascript Progress Bar Demo - jb51.net</title>
<script type="text/javascript" src="http://www.jb51.net/jslib/jquery/jquery.js"></script>
<style type="text/css">
#progress {background: white; height: 20px; padding: 2px; border: 1px solid green; margin: 2px;}
#progress span {background: green; height: 16px; text-align: center; padding: 1px; margin: 1px;
display: block; color: yellow; font-weight: bold; font-size: 14px; 0%;}
</style>
<script type="text/javascript">
var progress_node_id = "progress";
function SetProgress(progress) {
if (progress) {
$("#" + progress_node_id + " > span").css("width", String(progress) + "%");
$("#" + progress_node_id + " > span").html(String(progress) + "%");
}
}
var i = 0;
function doProgress() {
if (i <= 100) {
setTimeout("doProgress()",150);
SetProgress(i);
i++;
}
if(i>100){
document.form.submit();
}
}
$(document).ready(function() {
doProgress();
});
</script>
</head>
<body>
<form action="isgo.action" id = "form" name="form">
</form>
<div id="progress"><span> </span></div> //通过设置span的样式来实现进度条，注意进度条完成的总时间是死值，具体是否完成要看action
</body>
</html>
<3>struts.xml中
<action name="isgo" class="com.dreamers.search.IsGoAction">
<result name = "success">/previewdoc.jsp</result> //转到下一个jsp