使用servlet和javamail发送邮件

　2008-01-05 08:56:10　来源：WEB开发网　　　

核心提示：import java.util.PRoperties;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import java

import java.util.PRoperties;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import sun.rmi.transport.Transport;

import com.sun.corba.se.impl.protocol.giopmsgheaders.Message;

public class EmailServlet extends HttpServlet {

　//default value for mail server address, in case the user
　//doesn't provide one
　private final static String DEFAULT_SERVER = "mail.attbi.com";

　public void doPost(HttpServletRequest request, HttpServletResponse response)
　　　throws ServletException, java.io.IOException {

　　String smtpServ = DEFAULT_SERVER;

　　String from = "java2s@yourserver.com";

　　String to = "yourname@yourserver.com";

　　String subject = "subject line";

　　String emailContent = "emailContent";

　　response.setContentType("text/Html");
　　java.io.PrintWriter out = response.getWriter();
　　out
　　　　.println("<html><head><title>Email message sender</title></head><body>");

　　try {

　　　sendMessage(smtpServ, to, from, subject, emailContent);

　　} catch (Exception e) {

　　　throw new ServletException(e.getMessage());

　　}

　　out.println("<h2>The message was sent sUCcessfully</h2>");

　　out.println("</body></html>");

　} //doPost

　private void sendMessage(String smtpServer, String to, String from,
　　　String subject, String emailContent) throws Exception {

　　Properties properties = System.getProperties();

　　//populate the 'Properties' object with the mail
　　//server address, so that the default 'session'
　　//instance can use it.
　　properties.put("mail.smtp.host", smtpServer);

　　Session session = Session.getDefaultInstance(properties);

　　Message mailMsg = new MimeMessage(session);//a new email message

　　InternetAddress[] addresses = null;

　　try {

　　　if (to != null) {

　　　　//throws 'AddressException' if the 'to' email address
　　　　//violates RFC822 syntax
　　　　addresses = InternetAddress.parse(to, false);

　　　　mailMsg.setRecipients(Message.RecipientType.TO, addresses);

　　　} else {

　　　　throw new MessagingException(
　　　　　　"The mail message requires a 'To' address.");

　　　}

　　　if (from != null) {

　　　　mailMsg.setFrom(new InternetAddress(from));

　　　} else {

　　　　throw new MessagingException(
　　　　　　"The mail message requires a valid 'From' address.");

　　　}

　　　if (subject != null)
　　　　mailMsg.setSubject(subject);

　　　if (emailContent != null)
　　　　mailMsg.setText(emailContent);

　　　//Finally, send the meail message; throws a 'SendFailedException'
　　　//if any of the message's recipients have an invalid adress
　　　Transport.send(mailMsg);

　　} catch (Exception exc) {

　　　throw exc;

　　}

　}//sendMessage

　public void doGet(HttpServletRequest request, HttpServletResponse response)
　　　throws ServletException, java.io.IOException {

　　doPost(request, response);

　}

}//EmailServlet