sendmailservlet.java

来自「一个java写的加密算法」· Java 代码 · 共 111 行

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/* * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved. * Use is subject to license terms. */package samples.connectors.mailconnector.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.HttpSession;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Example servlet that sends a mail message via a JNDI resource. * * @author Craig McClanahan */public class SendMailServlet extends HttpServlet {    public void doPost(HttpServletRequest request,                       HttpServletResponse response)        throws IOException, ServletException    {        // 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("/sendmail.jsp");            rd.forward(request, response);            return;        }	// Save these values in the session object (would be used as default 	//  values by JSP page)	HttpSession httpSession = request.getSession();	httpSession.setAttribute("mailfrom", from);	httpSession.setAttribute("mailto", to);	httpSession.setAttribute("mailsubject", subject);        // Prepare the beginning of our response        PrintWriter writer = response.getWriter();        response.setContentType("text/html");        writer.println("<html>");        writer.println("<head>");        writer.println("<title>Sun Java System Application Server " +                       "Connector 1.5 Examples: Sending Results</title>");        writer.println("</head>");        writer.println("<body bgcolor=\"white\">");        try {            // Acquire our JavaMail session object	    Context initial = new InitialContext();            Session session =               (Session) initial.lookup("java:comp/env/TheMailSession");            // 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>Message successfully sent!</strong>");        } catch (Throwable t) {            writer.println("<font color=\"red\">");            writer.println("ENCOUNTERED EXCEPTION:  " + 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=\"sendmail.jsp\">Create a new message</a><br>");        writer.println("<a href=\"index.html\">Return to main page</a><br>");        writer.println("</body>");        writer.println("</html>");            }}

sendmailservlet.java - 源码说明

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