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;
}