Java网页爬虫获取邮件地址

原创

hoho_12 2016-05-02 21:44:08 ©著作权

文章标签 java 正则表达式爬虫 System 网页爬虫 文章分类 云平台云计算

©著作权归作者所有：来自51CTO博客作者hoho_12的原创作品，请联系作者获取转载授权，否则将追究法律责任

/*
网页爬虫(蜘蛛)
*/
import java.io.*;
import java.util.regex.*;
import java.net.*;
import java.util.*;
class RegexTest2 
{
  public static void main(String[] args) throws Exception
  {
    getMails_1();
  }
  public static void getMails_1()throws Exception
  {
    URL url = new URL("http://192.168.1.254:8080/myweb/mail.html");

    URLConnection conn = url.openConnection();

    BufferedReader bufIn = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    
    String line = null;

    String mailreg = "\\w+@\\w+(\\.\\w+)+";
    Pattern p = Pattern.compile(mailreg);   

    while((line=bufIn.readLine())!=null)
    {
      Matcher m = p.matcher(line);
      while(m.find())
      {
        System.out.println(m.group());
      }
    }
  }

  /*
  获取指定文档中的邮件地址。
  使用获取功能。Pattern  Matcher
  */
  public static void getMails()throws Exception
  {
    BufferedReader bufr =new BufferedReader(new FileReader("mail.txt"));
    String line = null;

    String mailreg = "\\w+@\\w+(\\.\\w+)+";
    Pattern p = Pattern.compile(mailreg);

    while((line=bufr.readLine())!=null)
    {
      Matcher m = p.matcher(line);
      while(m.find())
      {
        System.out.println(m.group());
      }
    }
  }
}