mailservlet.java~38~

这是我们老师的做的,挺不错的,要下载的话可以下载来

package mail;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.Message.RecipientType;
import javax.mail.internet.MimeMessage;
import javax.mail.Session;
import javax.mail.MessagingException;

public class MailServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GB18030";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
       response.setContentType(CONTENT_TYPE) ;
       PrintWriter out = response.getWriter() ;

       String host = "smtp.sina.com";    //发件人使用发邮件的电子信箱服务器
       String from = "[e-mail]";     //发邮件的出发地（发件人的信箱）
       String to = "[e-mail]";    //发邮件的目的地（收件人信箱）
     try
     {
         // Get system properties
         Properties props = System.getProperties();

         // Setup mail server
         props.put("mail.smtp.host", host);

         // Get session
         props.put("mail.smtp.auth", "true"); //这样才能通过验证

         MyAuthenticator myauth = new MyAuthenticator("[e-mail]",
                 "123456");
         Session session = Session.getDefaultInstance(props, myauth);

//     session.setDebug(true);

         // Define message
         MimeMessage message = new MimeMessage(session);

         // Set the from address
         message.setFrom(new InternetAddress(from));

         // Set the to address
         message.addRecipient(RecipientType.TO,
                              new InternetAddress(to));

         // Set the subject
         message.setSubject("第一个测试程序！");

         // Set the content
         message.setText("这是用java写的发送电子邮件的测试程序！");

         message.saveChanges();
         Transport.send(message);

         out.print("发送成功") ;

     }
     catch(Exception e)
     {
        System.out.println(e) ;

     }


  }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        try {
            doGet(request, response);
        }catch (Exception ex)
        {
            System.out.println(ex) ;
        }
    }

    //Clean up resources
    public void destroy() {
    }
}