java获取网页内容

package DC.Utility;import java.io.BufferedReader;import java.io.InputStreamReader;public class GetWebContent { public static String getWebCon(String domain) { // System.out.println("开始读取内容...("+domain+")"); StringBuffer sb = new StringBuffer(); try { java.net.URL url = new java.net.URL(domain); BufferedReader in = new BufferedReader(new InputStreamReader(url .openStream())); String line; while ((line = in.readLine()) != null) { sb.append(line); } System.out.println(sb.toString()); in.close(); } catch (Exception e) { // Report any errors that arise sb.append(e.toString()); System.err.println(e); System.err .println("Usage: java HttpClient <URL> [<filename>]"); } return sb.toString(); } public static void main(String[] args) { getWebCon("http://www.pczpg.com/html/bianchengkaifa/Java/20090711/9706.html"); }}