java抓取网页或者文件的邮箱号码

抓文件的

package reg;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestEmail {

public static void main(String[] args) {
// TODO Auto-generated method stub
     BufferedReader br=null;
     try {
br=new BufferedReader(new FileReader("D:/1.htm"));
String str=null;
StringBuilder sb=new StringBuilder();
while((str=br.readLine())!=null){
sb.append(str);
}
List es=getEmail(sb.toString());
for(String e:es){
System.out.println(e);
}
} catch (FileNotFoundException e) {
// TODO: handle exception
e.printStackTrace();
}catch (IOException e) {
// TODO: handle exception
e.printStackTrace();
}finally {
try {
if(br!=null) br.close();
} catch (IOException e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
  public static List getEmail(String str){
 List es=new ArrayList();
Pattern p=Pattern.compile("[\\w\\.-]*\\w+@[\\w\\.-]*\\w+\\.\\w{2,5}");
//  Pattern p=Pattern.compile("[\\w[.-]]+@[\\w[.-]]+\\.[\\w]+");
 Matcher m=p.matcher(str);
 while(m.find()){
 es.add(m.group());
 }
 return es;
  }
}

抓网页的                                                                                                                                     

package reg;

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

public class Testemail01
{
   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=Testemail01.getWebCon("http://tieba.baidu.com/p/2366935784");
   }
   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());
    }
   }
}