通过url地址抓取网页html代码 - 可视化Java快速开发平台 - CSDNBlog

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class URLUtil {

public static String getHtml(String urlString) {
try {
StringBuffer html = new StringBuffer();
URL url = new URL(urlString);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
InputStreamReader isr = new InputStreamReader(conn.getInputStream());
BufferedReader br = new BufferedReader(isr);
String temp;
while ((temp = br.readLine()) != null) {
html.append(temp).append("/n");
}
br.close();
isr.close();
return html.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}

public static void main(String[] args) {
System.out.println(URLUtil.getHtml("http://www.fastunit.com"));
}
}

本文转自
http://blog.csdn.net/fastunit/archive/2008/03/26/2219396.aspx