sendmailservlet.java~13~

这是我们老师的做的,挺不错的,要下载的话可以下载来

package mulmail;

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.Session;
import javax.mail.internet.MimeMessage;
import javax.mail.Multipart;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeBodyPart;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.activation.DataHandler;

public class SendMailServlet 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 = request.getParameter("server") ;   //发件人使用发邮件的电子信箱服务器
       String from = request.getParameter("from") ;     //发邮件的出发地（发件人的信箱）
       String psw = request.getParameter("password") ;  //发件人的密码
       String to = request.getParameter("to") ;         //发邮件的目的地（收件人信箱）
       String subject = request.getParameter("subject");//发邮件的主题
       String fileAttachment = request.getParameter("attachment") ;//发送的附件
       String context = request.getParameter("context");//发邮件的内容
     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(from,psw);
         Session session = Session.getDefaultInstance(props, myauth);

         // 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(subject);

         MimeBodyPart messageBodyPart = new MimeBodyPart();
         messageBodyPart.setText(context) ;
         Multipart multipart = new MimeMultipart();
         multipart.addBodyPart(messageBodyPart) ;
         messageBodyPart = new MimeBodyPart();
         DataSource source = new FileDataSource(fileAttachment);
         messageBodyPart.setDataHandler(new DataHandler(source)) ;
         messageBodyPart.setFileName(fileAttachment) ;
         multipart.addBodyPart(messageBodyPart) ;
         message.setContent(multipart) ;


         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 {
        doGet(request, response);
    }

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