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。