📄 sendmailservlet.java

📁 一个java写的加密算法
💻 JAVA
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/* * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved. * Use is subject to license terms. *//* $Id: SendMailServlet.java,v 1.3 2004/11/14 07:35:43 tcfujii Exp $ * */package samples.webapps.simple.servlet;import java.io.IOException;import java.io.PrintWriter;import javax.mail.Message;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.naming.Context;import javax.naming.InitialContext;import javax.servlet.RequestDispatcher;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.util.*;/** * Example servlet sending mail message via JNDI resource. * * @author Craig McClanahan * @version $Revision: 1.3 $ $Date: 2004/11/14 07:35:43 $ */public class SendMailServlet extends HttpServlet {    public void doPost(HttpServletRequest request,                       HttpServletResponse response)        throws IOException, ServletException    {	ResourceBundle rb =            ResourceBundle.getBundle("LocalStrings",request.getLocale());        // Acquire request parameters we need        String from = request.getParameter("mailfrom");        String to = request.getParameter("mailto");        String subject = request.getParameter("mailsubject");        String content = request.getParameter("mailcontent");        if ((from == null) || (to == null) ||            (subject == null) || (content == null)) {            RequestDispatcher rd =                getServletContext().getRequestDispatcher("/jsp/mail/sendmail.jsp");            rd.forward(request, response);            return;        }        // Prepare the beginning of our response        PrintWriter writer = response.getWriter();        response.setContentType("text/html");        writer.println("<html>");        writer.println("<head>");        writer.println("<title> " + rb.getString("sendmail.title") + " </title>");        writer.println("</head>");        writer.println("<body bgcolor=\"white\">");        try {            // Acquire our JavaMail session object            Context initCtx = new InitialContext();            Context envCtx = (Context) initCtx.lookup("java:comp/env");            Session session = (Session) envCtx.lookup("mail/Session");            // Prepare our mail message            Message message = new MimeMessage(session);            message.setFrom(new InternetAddress(from));            InternetAddress dests[] = new InternetAddress[]                { new InternetAddress(to) };            message.setRecipients(Message.RecipientType.TO, dests);            message.setSubject(subject);            message.setContent(content, "text/plain");            // Send our mail message            Transport.send(message);            // Report success            writer.println("<strong>" + rb.getString("sendmail.successfullysent") + "</strong>");        } catch (Throwable t) {            writer.println("<font color=\"red\">");            writer.println(rb.getString("sendmail.encounteredexception") + t);            writer.println("<pre>");            t.printStackTrace(writer);            writer.println("</pre>");            writer.println("</font>");        }        // Prepare the ending of our response        writer.println("<br><br>");        writer.println("<a href=\"jsp/mail/sendmail.jsp\"> " + rb.getString("sendmail.createanewmessage") + "</a><br>");        writer.println("<a href=\"jsp/index.html\"> " + rb.getString("sendmail.backtoexampleshome") + "</a><br>");        writer.println("</body>");        writer.println("</html>");            }}
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