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());
 }
 }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。