你得花一些時間來執行JavaScript。
查看下面的示例工作代碼。 bucket
div
s不在原始來源中。
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.List;
import com.gargoylesoftware.htmlunit.*;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
public class GetPageSourceAfterJS {
public static void main(String[] args) throws FailingHttpStatusCodeException, MalformedURLException, IOException {
java.util.logging.Logger.getLogger("com.gargoylesoftware").setLevel(java.util.logging.Level.OFF); /* comment out to turn off annoying htmlunit warnings */
WebClient webClient = new WebClient();
String url = "http://www.futurebazaar.com/categories/Home--Living-Luggage--Travel-Airbags--Duffel-bags/cid-CU00089575.aspx";
System.out.println("Loading page now: "+url);
HtmlPage page = webClient.getPage(url);
webClient.waitForBackgroundJavaScript(30 * 1000); /* will wait JavaScript to execute up to 30s */
String pageAsXml = page.asXml();
System.out.println("Contains bucket? --> "+pageAsXml.contains("bucket"));
//get divs which have a 'class' attribute of 'bucket'
List<?> buckets = page.getByXPath("//div[@class='bucket']");
System.out.println("Found "+buckets.size()+" 'bucket' divs.");
//System.out.println("#FULL source after JavaScript execution:\n "+pageAsXml);
}
}
輸出:使用
Loading page now: http://www.futurebazaar.com/categories/Mobiles-Mobile-Phones/cid-CU00089697.aspx?Rfs=brandZZFly001PYXQcurtrayZZBrand
Contains bucket? --> true
Found 3 'bucket' divs.
版本的HtmlUnit:
<dependency>
<groupId>net.sourceforge.htmlunit</groupId>
<artifactId>htmlunit</artifactId>
<version>2.12</version>
</dependency>