/** * <p>Title: 使用javamail发送邮件</p> * <p>Description: 演示如何使用javamail包发送电子邮件。这个实例可发送多附件</p> * <p>Copyright: Copyright (c) 2003</p> * <p>Filename: Mail.java</p> * @author 杜江 * @version 1.0 */ public class Mail { String to = "";//收件人 String from = "";//发件人 String host = "";//smtp主机 String username = "" ; String password = "" ; String filename = "";//附件文件名 String subject = "";//邮件主题 String content = "";//邮件正文 Vector file = new Vector();//附件文件集合 /** *<br>方法说明:默认构造器 *<br>输入参数: *<br>返回类型: */ public Mail(){ } /** *<br>方法说明:构造器,提供直接的参数传入 *<br>输入参数: *<br>返回类型: */ public Mail(String to,String from,String smtpServer,String username,String password,String subject,String content){ this.to = to; this.from = from; this.host = smtpServer; this.username = username; this.password = password; this.subject = subject; this.content = content; } /** *<br>方法说明:设置邮件服务器地址 *<br>输入参数:String host 邮件服务器地址名称 *<br>返回类型: */ public void setHost(String host){ this.host = host; } /** *<br>方法说明:设置登录服务器校验密码 *<br>输入参数: *<br>返回类型: */ public void setPassWord(String pwd){ this.password = pwd; } /** *<br>方法说明:设置登录服务器校验用户 *<br>输入参数: *<br>返回类型: */ public void setUserName(String usn){ this.username = usn; } /** *<br>方法说明:设置邮件发送目的邮箱 *<br>输入参数: *<br>返回类型: */ public void setTo(String to){ this.to = to; } /** *<br>方法说明:设置邮件发送源邮箱 *<br>输入参数: *<br>返回类型: */ public void setFrom(String from){ this.from = from; } /** *<br>方法说明:设置邮件主题 *<br>输入参数: *<br>返回类型: */ public void setSubject(String subject){ this.subject = subject; } /** *<br>方法说明:设置邮件内容 *<br>输入参数: *<br>返回类型: */ public void setContent(String content){ this.content = content; } /** *<br>方法说明:把主题转换为中文 *<br>输入参数:String strText *<br>返回类型: */ public String transferChinese(String strText){ try{ strText = MimeUtility.encodeText(new String(strText.getBytes(), "GB2312"), "GB2312", "B"); }catch(Exception e){ e.printStackTrace(); } return strText; } /** *<br>方法说明:往附件组合中添加附件 *<br>输入参数: *<br>返回类型: */ public void attachfile(String fname){ file.addElement(fname); } /** *<br>方法说明:发送邮件 *<br>输入参数: *<br>返回类型:boolean 成功为true,反之为false */ public boolean sendMail(){ //构造mail session Properties props = System.getProperties(); props.put("mail.smtp.host",host); props.put("mail.smtp.auth","true"); Session session=Session.getDefaultInstance(props, new Authenticator(){ public PasswordAuthentication getPasswordAuthentication(){ return new PasswordAuthentication(username,password); } }); try { //构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); msg.setFrom(new InternetAddress(from)); InternetAddress[] address={new InternetAddress(to)}; msg.setRecipients(Message.RecipientType.TO,address); subject = transferChinese(subject); msg.setSubject(subject); //构造Multipart Multipart mp = new MimeMultipart(); //向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setText(content); //向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); //向Multipart添加附件 Enumeration efile=file.elements(); while(efile.hasMoreElements()){ MimeBodyPart mbpFile = new MimeBodyPart(); filename=efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); mbpFile.setFileName(fds.getName()); //向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); //向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); //发送邮件 Transport.send(msg); } catch (MessagingException mex) { mex.printStackTrace(); Exception ex = null; if ((ex=mex.getNextException())!=null){ ex.printStackTrace(); } return false; } return true; } /** *<br>方法说明:主方法,用于测试 *<br>输入参数: *<br>返回类型: */ public static void main(String[] args){ Mail sendmail = new Mail(); sendmail.setHost("smtp.126.com"); sendmail.setUserName("umgsai"); sendmail.setPassWord("********");//*代表你的密码 sendmail.setTo("445013022@qq.com"); sendmail.setFrom("umgsai@126.com"); sendmail.setSubject("你好,这是测试!"); sendmail.setContent("你好这是一个带多附件的测试!"); //Mail sendmail = new Mail("dujiang@sricnet.com","du_jiang@sohu.com","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?"); sendmail.attachfile("c:\test.txt"); //sendmail.attachfile("DND.jar"); sendmail.sendMail(); } }//end //需要加入两个Jar文件,并且保证你所在的网络的25号端口没有被封锁。 //本文出自 “阿凡达” 博客,请务必保留此出处http://shamrock.blog.51cto.com/2079212/832235