ElementIterator类 : HTML文档 « Swing


import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.URL;

import java.net.URLConnection;



import javax.swing.text.AttributeSet;

import javax.swing.text.html.HTML;

import javax.swing.text.html.HTMLDocument;

import javax.swing.text.html.HTMLEditorKit;

import javax.swing.text.html.parser.ParserDelegator;



public class MainClass {



  public static void main(String args[]) throws Exception {

    URL url = new URL("http://www.google.com");

    URLConnection connection = url.openConnection();

    InputStream is = connection.getInputStream();

    InputStreamReader isr = new InputStreamReader(is);

    BufferedReader br = new BufferedReader(isr);



    HTMLEditorKit htmlKit = new HTMLEditorKit();

    HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();

    HTMLEditorKit.Parser parser = new ParserDelegator();

    HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);

    parser.parse(br, callback, true);



    for (HTMLDocument.Iterator iterator = htmlDoc.getIterator(HTML.Tag.A); iterator.isValid(); iterator

        .next()) {



      AttributeSet attributes = iterator.getAttributes();

      String srcString = (String) attributes.getAttribute(HTML.Attribute.HREF);

      System.out.print(srcString);

      int startOffset = iterator.getStartOffset();

      int endOffset = iterator.getEndOffset();

      int length = endOffset - startOffset;

      String text = htmlDoc.getText(startOffset, length);

      System.out.println(" – " + text);

    }

  }

}

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ElementIterator类 : HTML文档 « Swing « Java 教程