javaMail邮件发送功能(多收件人,多抄送人,多密送人,多附件)

1. private Session session;
2. private Transport transport;
3. private String mailHost = "";
4. private String sender_username = "";
5. private String sender_password = "";
6. private String contentPart_Type = "";
7. private Properties properties = new Properties();
8. /*
9. * 初始化方法
10. */
11. public JavaMailWithAttachment() {
12. try {
13. FileInputStream is=new FileInputStream("E:/workspace1.6/ICRM-H5/src/mailServer.properties");
14. properties.load(is);
15. this.mailHost = properties.getProperty("mail.smtp.host");
16. this.sender_username = properties.getProperty("mail.sender.username");
17. this.sender_password = properties.getProperty("mail.sender.password");
18. this.contentPart_Type = properties.getProperty("mail.contentPart.type");
19. } catch (IOException e) {
20. e.printStackTrace();
21. }
22. session = Session.getInstance(properties);
23. session.setDebug(true); //开启后有调试信息,发布时关闭
24. message = new MimeMessage(session);
25. }
26. /**
27. * 发送邮件
28. * @param subject
29. *               邮件主题
30. * @param sendHtml
31. *               邮件内容
32. * @param toUser
33. *               收件人  多个时参数形式  ：  "xxx@xxx.com,xxx@xxx.com,xxx@xxx.com"
34. * @param ccUser
35. *               抄送人   同上
36. * @param bccUser
37. *               密送人   同上
38. * @param attachment
39. *               附件
40. */
41. public void doSendHtmlEmail(String subject, String sendHtml,
42. String  toUser, String ccUser, String bccUser, File [] attachment){
43. try {
44. // 发件人
45. InternetAddress from = new InternetAddress(sender_username);
46. message.setFrom(from);
47. // 设置多个收件人地址
48. if(null != toUser && !toUser.isEmpty()){
49. @SuppressWarnings("static-access")
50. InternetAddress[] internetAddressTo = new InternetAddress().parse(toUser);
51. message.setRecipients(Message.RecipientType.TO, internetAddressTo);
52. }
53. // 设置多个抄送地址
54. if(null != ccUser && !ccUser.isEmpty()){
55. @SuppressWarnings("static-access")
56. InternetAddress[] internetAddressCC = new InternetAddress().parse(ccUser);
57. message.setRecipients(Message.RecipientType.CC, internetAddressCC);
58. }
59. // 设置多个密送地址
60. if(null != bccUser && !bccUser.isEmpty()){
61. @SuppressWarnings("static-access")
62. InternetAddress[] internetAddressBCC = new InternetAddress().parse(bccUser);
63. message.setRecipients(Message.RecipientType.BCC, internetAddressBCC);
64. }
65. // 发送日期
66. message.setSentDate(new Date());
67. // 邮件主题
68. message.setSubject(subject);
69. // 向multipart对象中添加邮件的各个部分内容，包括文本内容和附件
70. Multipart multipart = new MimeMultipart();
71. // 添加邮件正文
72. BodyPart contentPart = new MimeBodyPart();
73. contentPart.setContent(sendHtml, contentPart_Type);
74. multipart.addBodyPart(contentPart);
75. BodyPart attachmentBodyPart = null;
76. // 添加附件的内容
77. if (null != attachment && attachment.length != 0) {
78. for (File file : attachment) {
79. attachmentBodyPart = new MimeBodyPart();
80. DataSource source = new FileDataSource(file);
81. attachmentBodyPart.setDataHandler(new DataHandler(source));
82. //MimeUtility.encodeWord可以避免文件名乱码
83. attachmentBodyPart.setFileName(MimeUtility.encodeWord(file.getName()));
84. multipart.addBodyPart(attachmentBodyPart);
85. }
86. }
87. // 将multipart对象放到message中
88. message.setContent(multipart);
89. // 保存邮件
90. message.saveChanges();
91. // smtp验证
92. transport = session.getTransport("smtp");
93. transport.connect(mailHost, sender_username, sender_password);
94. // 发送
95. transport.sendMessage(message, message.getAllRecipients());
96. System.out.println("发送成功！");
97. } catch (Exception e) {
98. e.printStackTrace();
99. } finally {
100. if (transport != null) {
101. try {
102. transport.close();
103. } catch (MessagingException e) {
104. e.printStackTrace();
105. }
106. }
107. }
108. }