如何使用webservice来校验一个邮箱的有效性：详解编程语言

如何使用webservice来校验一个邮箱的有效性：

import java.io.PrintWriter;

import java.net.URL;

import java.net.URLConnection;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;

public class ValiEmail {

   public static boolean checkEmailByWebservice(String email) {

     String soapRequestData =

       + ?xml version=/ 1.0/ encoding=/ utf-8/ ?

       + soap:Envelope xmlns:xsi=/ http://www.w3.org/2001/XMLSchema-instance/ xmlns:xsd=/ http://www.w3.org/2001/XMLSchema/ xmlns:soap=/ http://www.w3.org/2003/05/soap-envelope/

       +   soap:Body

       +   IsValidEmail xmlns=/ http://www.webservicex.net/

       +   Email + email + /Email +   /IsValidEmail

       +   /soap:Body + /soap:Envelope

     try {

       URL u = new URL(

        http://www.webservicex.net/ValidateEmail.asmx?op=IsValidEmail );

       URLConnection uc = u.openConnection();

       uc.setDoOutput(true);

       uc.setRequestProperty( Content-Type , application/soap+xml; charset=utf-8 );

       PrintWriter pw = new PrintWriter(uc.getOutputStream());

       pw.println(soapRequestData);

       pw.close();

       

       DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();

       DocumentBuilder db = bf.newDocumentBuilder();

       Document document = db.parse(uc.getInputStream());

       

       String res = document.getElementsByTagName( IsValidEmailResult ).item(0).getTextContent();

       

       return Boolean.parseBoolean(res);

     } catch (Exception e) {

       e.printStackTrace();

       return false;

     }

   }

   public static void main(String[] args) {

     boolean flag=checkEmailByWebservice(
[email protected] );

     System.out.println(flag);

   }

}

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