JavaMail发送带多个附件的邮件，多个收件人，多个抄送人

/** * 方法描述：发送带附件的邮件 *  * @throws UnsupportedEncodingException */public static boolean sendEmailWithAttachment(Email email)throws UnsupportedEncodingException {Properties prop = new Properties();prop.put("mail.smtp.host", mailServer);prop.put("mail.smtp.auth", "true");Authenticator auth = new MailAuthenticator();Session session = Session.getDefaultInstance(prop, auth);Message message = new MimeMessage(session);boolean flag = false;try {message.setSubject(email.getEmail_subject());// 设置邮件主题message.setHeader("Header:", email.getEmail_header()); // 设置邮件标题message.setSentDate(new Date()); // 设置发送时间Address addressFrom = new InternetAddress(mailAddress, mailAccount); // 设置发信人地址message.setFrom(addressFrom);BodyPart messageBodyPart = new MimeBodyPart();messageBodyPart.setContent(email.getEmail_content(),  "text/html;charset=utf-8");Multipart multipart = new MimeMultipart();multipart.addBodyPart(messageBodyPart);MimeBodyPart mimeBodyPart;//多个附件for (int i = 0; i < email.getEmail_file().size(); i++) {Map<String, String> map = email.getEmail_file().get(i);String fileSource="";String fileName="";for (String key : map.keySet()) {fileSource = key;fileName = map.get(key);    }mimeBodyPart = new MimeBodyPart();DataSource source = new FileDataSource(fileSource);mimeBodyPart.setDataHandler(new DataHandler(source));mimeBodyPart.setFileName(MimeUtility.encodeText(fileName));multipart.addBodyPart(mimeBodyPart);// Put parts in}message.setContent(multipart); // 设置多个收件人地址List<String> list = email.getEmail_to();String toAddress = SendEmail.getAddress(list);InternetAddress[] internetAddressTo = new InternetAddress().parse(toAddress);message.setRecipients(Message.RecipientType.TO, internetAddressTo);// 设置多个抄送地址String ccAddress = SendEmail.getAddress(email.getEmail_cc());InternetAddress[] internetAddressCC = new InternetAddress().parse(ccAddress);message.setRecipients(Message.RecipientType.CC, internetAddressCC);message.saveChanges();System.out.println("开始发送邮件……");Transport.send(message);System.out.println("发送成功！");flag = true;} catch (MessagingException e) {System.out.println("发送失败！");flag = false;e.printStackTrace();}return flag;}