JAVA在网页上抓取邮件地址

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class h1
{
public static String   getWebCon(String domain)
{
System.out.println("开始抓取邮件地址..("+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)
{
parse(line);
}
in.close();
}
catch(Exception e)
{
sb.append(e.toString());
System.err.println(e);

}
return sb.toString();
}
public static void main(String[] args)
{
String s;
s=h1.getWebCon("http://post.baidu.com/f?kz=341341344"); //这是要抓取的网页,自己可以试下.
//System.out.println(s);
}
private static void parse(String line)
{
Pattern p=Pattern.compile("[\\w[.-]]+@[\\w[.-]]+\\.[\\w]+");//邮箱的正则表达式
Matcher m=p.matcher(line);
while(m.find())
{
System.out.println(m.group());
}
}
}