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Re: [Htmlunit-user] htmlUnit always failed when execute JS in html
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From: David N. <dav...@gm...> - 2014-03-15 06:26:38
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On 3/14/14, Jack Bi <814...@qq...> wrote:
> Hi all:
> I found htmlUnit always failed when execute JS in html, and if I try
> the
> same code, sometimes it's success, I was puzzled for a long time.
> My Java code like this, hope someone can help me solve this
> problem,thank you very much.
>
> WebClient webClient = new
> WebClient(BrowserVersion.FIREFOX_24);
> webClient.addWebWindowListener(new WebWindowListener()
> {
>
> public void webWindowOpened(WebWindowEvent event) {
>
> }
> public void webWindowContentChanged(WebWindowEvent event) {
> page = (HtmlPage) webClient.getCurrentWindow().getEnclosedPage();
> if (page.getTitleText().equals("Security Warning")) {
> warningTag = true;
> }
> if (page.asText().contains(descTag)) {
> finalTag = true;
> }
> }
> public void webWindowClosed(WebWindowEvent event) {
>
> }
> });
>
> page = webClient.getPage(urlString);
> for(int i = 0; i < 200; i++){
> if (warningTag || finalTag) {
> break;
> }
> Thread.sleep(1000);
> }
>
> the HTML code is like this:
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
> <title>
> title
> </title>
> <script type="text/javascript">
> window.setTimeout('document.getElementById("formxh4t").submit();',1000);
> <form name="formxh4t" id="formxh4t"
> action="http://k2.ddtuangou.com/daili/process.php?action=update"
> method="post" onsubmit="return updateLocation(this);">
> <input name="u" type="hidden" class="textbox" id="input"
> value="http://dongtaiwang.com" size="60"/>
> <input type="hidden" name="type" value="0"/>
> </form>
> </body>
> </html>
I have found the Javascript engines used by HTMLUnit unable to
properly execute JS as well. For my project I wound up having to
switch to PhantomJS/CasperJS. I'd recommend giving it a try. I still
use HTMLUnit for some things, and for those things it does a really
nice job, but when it comes to executing Javascript I have to use
something else.
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