通过使用HTMLUnit按下JS按钮来浏览网站 [英] Navigating through a website by pressing on JS buttons using HTMLUnit

问题描述

我正在尝试使用HTMLUnit 2.36按下网页上的Javascript按钮，该导航到另一个页面，依此类推... :

I'm attempting to press a Javascript Button on a webpage using HTMLUnit 2.36 which navigates to another page, and so on...:

ScriptResult result = page.executeJavaScript("__doPostBack('LinkBtn_thebutton','')");
Page page = result.getNewPage();

我试图使用上面的代码导致以下错误，原因可能是不再支持getNewPage():

I've attempted to use the code above which causes the following error, supposedly because getNewPage() is no longer supported:

The method GetNewPage() is undefined for type ScriptResult

我也尝试添加getJavaScriptResult()的演员表，如下所示，但是没有运气:

I've also attempted to add a cast with getJavaScriptResult() as shown below with no luck:

HtmlPage page1 = (HtmlPage) result.getJavaScriptResult();

引起以下错误:

Exception in thread "main" java.lang.ClassCastException: class net.sourceforge.htmlunit.corejs.javascript.Undefined cannot be cast to class com.gargoylesoftware.htmlunit.html.HtmlPage

推荐答案

不应将result.getJavaScriptResult();强制转换为空白.如果要重定向页面，请确保启用了重定向:webClient.getOptions().setRedirectEnabled(true);

You are not supposed to cast the result.getJavaScriptResult();, treat it like a void. If your page is going to be redirected, make sure that redirecting is enabled: webClient.getOptions().setRedirectEnabled(true);

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