sendmailservlet.java

javaMail发邮件

package mypro;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.util.Properties;

public class SendMailServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";
    public class PopupAuthenticator extends Authenticator {
        String username = null;
        String password = null;
        public PopupAuthenticator(String user, String pass) {
            super();
            this.username = user;
            this.password = pass;
        }

        public PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(username, password);
        }
    }


    //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 smtpServer = request.getParameter("mailserver");
        // String mailTo = request.getParameter("mailto");
        //  String mailFrom = request.getParameter("mailfrom");
        //  String subject = request.getParameter("subject");
        // String content = request.getParameter("content");


        String subject = "邮件主题";
        String content = "邮件内容";

        //String filecontent = request.getParameter("filecontent");
        //  System.out.println(smtpServer + mailTo + mailFrom + subject + content);
        //System.out.println(request.getParameter("file1"));
        //创建会话的时候，设置系统属性和连接服务器 的协议。

        try {
            Properties props = new Properties();
            props.put("mail.smtp.host", "smtp.163.com");
            props.put("mail.smtp.auth", "true");
            //定义了与邮件系统进行通信的邮件会话

            Authenticator au = new PopupAuthenticator("", "");//用户名 密码

            Session mailSession = Session.getInstance(props, au);
            mailSession.setDebug(true);
            //MimeMessage用来封装整个电子邮件对象
            javax.mail.internet.MimeMessage msg = new MimeMessage(mailSession);

            javax.mail.internet.InternetAddress address = new InternetAddress(
                    "@163.com"); //电子邮件地址
            address.setPersonal("davinci528");
            //指定消息的发件人
            msg.setFrom(address);
            //指定收件人的地址
            msg.setRecipients(Message.RecipientType.TO, "@163.com");//电子邮件地址
            //加入邮件标题
            msg.setSubject(subject);

            /**
             * 邮件的正文内容通常可以分几个部分，包括文本正文，脚本正文及附件。
             * 每一部分通常都用一个MimeBodyPart对象来装
             * 接一下把几部分都加入Multipart对象，Multipart对象包含邮件正文的全部内容
             * 最后把Multipart对象放入MimeMessage对象中，正文内容就设定完成
             */

            //定义一个Multipart对象用来装整个邮件的正文部分
            Multipart multipart = new MimeMultipart();
            //定义一个MimeBodyPart对象，用来装邮件的文本内容然后加入Multipart对象中
            MimeBodyPart messageBodyPart = new MimeBodyPart();
            messageBodyPart.setText(content);
            multipart.addBodyPart(messageBodyPart);
            //定义一个MimeBodyPart对象，用来装邮件的附件内容然后加入Multipart对象中
            MimeBodyPart fileBodyPart = new MimeBodyPart();
            DataSource source = new FileDataSource("c:\\aaa.txt");
            fileBodyPart.setDataHandler(new DataHandler(source));
            fileBodyPart.setFileName(source.getName());
            multipart.addBodyPart(fileBodyPart);
            //定义一个MimeBodyPart对象，用来装邮件的脚本内容然后加入Multipart对象中
            MimeBodyPart htmlBodyPart = new MimeBodyPart();
            htmlBodyPart.setContent(
                    "<meta http-equiv=Content-Type content=text/html; charset=gb2312>" +
                    "<meta http-equiv=Content-Type content=text/html; charset=gb2312>" +
                    "<div align=center><a href=http://www.csdn.net> csdn </a></div>",
                    "text/html;charset=GB2312");
            multipart.addBodyPart(htmlBodyPart);

            //把Multipart对象加入到MimeMessage对象中
            msg.setContent(multipart);

            javax.mail.Transport trans = mailSession.getTransport("smtp");
            trans.connect("smtp.163.com", "", ""); //用户名 密码
            trans.send(msg, msg.getRecipients(Message.RecipientType.TO));
            // out.println("邮件发送成功" + mailTo);
            trans.close();

        } catch (Exception ex) {
            System.out.println(ex.toString());
        }
        out.close();
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

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