JavaMail发送带多个附件的邮件，多个收件人，多个抄送人

墨蓝 2022-06-04 05:56 332阅读 0赞

/** * 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;  
        }