Js.html
<HTML>
<Title> test JavaScript </title>
<Script language = "JavaScript">
VaR go = function (){
Document. getelementbyid ("GG"). innerhtml = "google ";
}
</SCRIPT>
<Body onload = "javascript: Go ();">
<A id = "GG" onclick = "javascript: Go ();" href = "#"> Baidu </a>
</Body>
</Html>
Test. Java
Package net. cooleagle. Test. Cobra;
Import java. Io. inputstream;
Import java. Io. inputstreamreader;
Import java. Io. reader;
Import java.net. url;
Import org.lobobrowser.html. useragentcontext;
Import org.lobobrowser.html. domimpl. html#entimpl;
Import org.lobobrowser.html. parser. documentbuilderimpl;
Import org.lobobrowser.html. parser. inputsourceimpl;
Import org.lobobrowser.html. Test. simpleuseragentcontext;
Import org. W3C. Dom. Document;
Import org. W3C. Dom. element;
Public class test {
Private Static final string test_uri = "http: // localhost/js.html ";
Public static void main (string [] ARGs) throws exception {
Useragentcontext uacontext = new simpleuseragentcontext ();
Documentbuilderimpl builder = new documentbuilderimpl (uacontext );
URL url = new URL (test_uri );
Inputstream in = URL. openconnection (). getinputstream ();
Try {
Reader reader = new inputstreamreader (in, "ISO-8859-1 ");
Inputsourceimpl inputsource = new inputsourceimpl (reader, test_uri );
Document d = builder. parse (inputsource );
Html#entimpl document = (html#entimpl) D;
Element ele = Document. getelementbyid ("GG ");
System. Out. println (Ele. gettextcontent ());
} Finally {
In. Close ();
}
}
}
Execution result:
Google
The test is successful.
========================================================== ====
I originally used jrex, a Java wrapper for the Mozilla Gecko Layout Engine, to render HTML pages. I was looking for a better engine for extracting the HTML of rendered pages and found the Cobra toolkit that is part of the Lobo project. this project includes des the Cobra toolkit that renders HTML and the lobobrowser built on this toolkit. the code is pure Java.
My initial comparison of jrex and Cobra found the following salient facts:
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