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用nekohtml来获取网页指定内容

Posted on 2009-05-22 14:11 landor 阅读(1006) 评论(0)  编辑  收藏 所属分类: java
下载地址 http://sourceforge.net/projects/nekohtml
比如我想获取http://topic.csdn.net/u/20090521/11/db336c07-2dbc-4732-8229-cb99fcb9d10e.html网页中kokobox的回复


package test;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import org.cyberneko.html.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;

public class Test {
    
public static void main(String[] argv) throws Exception {
        //指定rul
        URL url = new URL(
                
"http://topic.csdn.net/u/20090521/11/db336c07-2dbc-4732-8229-cb99fcb9d10e.html");
       
        HttpURLConnection connection = (java.net.HttpURLConnection)url.openConnection();
        connection.connect();
        InputStream stream 
= connection.getInputStream();
        DOMParser parser 
= new DOMParser();
        //这行代码等同于html页面中的<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        parser.setProperty("http://cyberneko.org/html/properties/default-encoding","utf-8");
        parser.parse(
new InputSource(stream));
        Document doc 
= parser.getDocument();
        Node myNode
= doc.getElementById("reply57194353_body");
        print(myNode, 
"");
    } 

    
public static void print(Node node, String indent) {
        System.out.println(node.getTextContent());
    } 

}


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