java抓取网页或文件中的邮箱号码

本文实例为大家分享了java抓取邮箱号码的具体代码，供大家参考，具体内容如下

java抓取文件中邮箱号码的具体代码

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;
}
}

java抓取网页中邮箱号码的具体代码

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());
}
}
}