Android pop3与imap方式接收邮件（javamail）
需要下载3个jar包：mail.jar/ activation.jar/ additionnal.jar
1.pop3
/** * 以pop3方式读取邮件，此方法不能读取邮件是否为已读，已经通过测试 * */ private void getEmail() { List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(); try { Properties props = System.getProperties(); props.put("mail.smtp.host", "smtp.163.com"); props.put("mail.smtp.auth", "true"); Session session = Session.getDefaultInstance(props, null); URLName urln = new URLName("pop3", "pop3.163.com", 110, null, "邮箱名（没有@163.com）", "密码"); // 邮件协议为pop3，邮件服务器是pop3.163.com，端口为110，用户名/密码为abcw111222/123456w Store store = session.getStore(urln); store.connect(); Folder folder = store.getFolder("INBOX"); folder.open(Folder.READ_WRITE); Message message[] = folder.getMessages(); if (message.length > 0) { Map<String, Object> map; System.out.println("Messages's length: " + message.length); ReciveOneMail pmm = null; for (int i = 0; i < message.length; i++) { System.out.println("======================"); pmm = new ReciveOneMail((MimeMessage) message[i]); System.out.println("Message " + i + " subject: " + pmm.getSubject()); System.out.println("Message " + i + " sentdate: " + pmm.getSentDate()); System.out.println("Message " + i + " replysign: " + pmm.getReplySign()); boolean isRead = pmm.isNew();// 判断邮件是否为已读 System.out.println("Message " + i + " hasRead: " + isRead); System.out.println("Message " + i + " containAttachment: " + pmm.isContainAttach((Part) message[i])); System.out.println("Message " + i + " form: " + pmm.getFrom()); System.out.println("Message " + i + " to: " + pmm.getMailAddress("to")); System.out.println("Message " + i + " cc: " + pmm.getMailAddress("cc")); System.out.println("Message " + i + " bcc: " + pmm.getMailAddress("bcc")); pmm.setDateFormat("yy年MM月dd日 HH:mm"); System.out.println("Message " + i + " sentdate: " + pmm.getSentDate()); System.out.println("Message " + i + " Message-ID: " + pmm.getMessageId()); // 获得邮件内容=============== pmm.getMailContent((Part) message[i]); System.out.println("Message " + i + " bodycontent: \r\n" + pmm.getBodyText()); String file_path = File.separator + "mnt" + File.separator + "sdcard" + File.separator; System.out.println(file_path); pmm.setAttachPath(file_path); pmm.saveAttachMent((Part) message[i]); map = new HashMap<String, Object>(); map.put("from", pmm.getFrom()); map.put("title", pmm.getSubject()); map.put("time", pmm.getSentDate()); map.put("read", isRead); list.add(map); } SimpleAdapter adapter = new SimpleAdapter(MainActivity.this, list, R.layout.item_receiveemail, new String[] { "from", "title", "time", "read" }, new int[] { R.id.item_receive_sendname, R.id.item_receive_title, R.id.item_receive_sendtime, R.id.item_receive_read }); lv.setAdapter(adapter); } else { Toast.makeText(MainActivity.this, "没有邮件", Toast.LENGTH_SHORT) .show(); } } catch (NoSuchProviderException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (MessagingException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }
2.imap方式
/** * 以imap方式读取邮件，可以判定读取邮件是否为已读 * */ private void getImapEmail() { String user = "abcw111222@163.com";// 邮箱的用户名 String password = "123456w"; // 邮箱的密码 Properties prop = System.getProperties(); prop.put("mail.store.protocol", "imap"); prop.put("mail.imap.host", "imap.163.com"); Session session = Session.getInstance(prop); int total = 0; IMAPStore store; try { store = (IMAPStore) session.getStore("imap"); // 使用imap会话机制，连接服务器 store.connect(user, password); IMAPFolder folder = (IMAPFolder) store.getFolder("INBOX"); // 收件箱 folder.open(Folder.READ_WRITE); // 获取总邮件数 total = folder.getMessageCount(); System.out.println("---共有邮件：" + total + " 封---"); // 得到收件箱文件夹信息，获取邮件列表 List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(); System.out.println("未读邮件数：" + folder.getUnreadMessageCount()); Message[] messages = folder.getMessages(); if (messages.length > 0) { Map<String, Object> map; System.out.println("Messages's length: " + messages.length); ReciveOneMail pmm = null; for (int i = 0; i < messages.length; i++) { System.out.println("======================"); pmm = new ReciveOneMail((MimeMessage) messages[i]); System.out.println("Message " + i + " subject: " + pmm.getSubject()); try { System.out.println("Message " + i + " sentdate: " + pmm.getSentDate()); System.out.println("Message " + i + " replysign: " + pmm.getReplySign()); boolean isRead;// 用来判断该邮件是否为已读 String read; Flags flags = messages[i].getFlags(); if (flags.contains(Flags.Flag.SEEN)) { System.out.println("这是一封已读邮件"); isRead = true; read = "已读"; } else { System.out.println("未读邮件"); isRead = false; read = "未读"; } System.out.println("Message " + i + " hasRead: " + isRead); System.out.println("Message " + i + " containAttachment: " + pmm.isContainAttach((Part) messages[i])); System.out.println("Message " + i + " form: " + pmm.getFrom()); System.out.println("Message " + i + " to: " + pmm.getMailAddress("to")); System.out.println("Message " + i + " cc: " + pmm.getMailAddress("cc")); System.out.println("Message " + i + " bcc: " + pmm.getMailAddress("bcc")); pmm.setDateFormat("yy年MM月dd日 HH:mm"); System.out.println("Message " + i + " sentdate: " + pmm.getSentDate()); System.out.println("Message " + i + " Message-ID: " + pmm.getMessageId()); // 获得邮件内容=============== pmm.getMailContent((Part) messages[i]); System.out.println("Message " + i + " bodycontent: \r\n" + pmm.getBodyText()); String file_path = File.separator + "mnt" + File.separator + "sdcard" + File.separator; System.out.println(file_path); pmm.setAttachPath(file_path); pmm.saveAttachMent((Part) messages[i]); map = new HashMap<String, Object>(); map.put("from", pmm.getFrom()); map.put("title", pmm.getSubject()); map.put("time", pmm.getSentDate()); map.put("read", read); list.add(map); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } SimpleAdapter adapter = new SimpleAdapter(MainActivity.this, list, R.layout.item_receiveemail, new String[] { "from", "title", "time", "read" }, new int[] { R.id.item_receive_sendname, R.id.item_receive_title, R.id.item_receive_sendtime, R.id.item_receive_read }); lv.setAdapter(adapter); } } catch (javax.mail.NoSuchProviderException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (MessagingException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
下面为用到的一个类，用来读取除了判断是否已读的信息之外的内容
/** * 接收邮箱中的邮件，可以接收带附件的 * （目前接收的邮件中含有中文内容，会出现乱码，但是标题不会乱码） * 邮件中的内容如果用专门的阅读器也不会出现乱码现象，图片等都可以下载 * */ @SuppressLint("DefaultLocale") public class ReciveOneMail { private MimeMessage mimeMessage = null; private String saveAttachPath = ""; // 附件下载后的存放目录 private StringBuffer bodytext = new StringBuffer();// 存放邮件内容 private String dateformat = "yy-MM-dd HH:mm"; // 默认的日前显示格式 public ReciveOneMail(MimeMessage mimeMessage) { this.mimeMessage = mimeMessage; } public void setMimeMessage(MimeMessage mimeMessage) { this.mimeMessage = mimeMessage; } /** * 获得发件人的地址和姓名 */ public String getFrom() throws Exception { InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom(); String from = address[0].getAddress(); if (from == null) from = ""; String personal = address[0].getPersonal(); if (personal == null) personal = ""; String fromaddr = personal + "<" + from + ">"; return fromaddr; } /** * 获得邮件的收件人，抄送，和密送的地址和姓名，根据所传递的参数的不同 "to"----收件人 "cc"---抄送人地址 "bcc"---密送人地址 */ @SuppressLint("DefaultLocale") public String getMailAddress(String type) throws Exception { String mailaddr = ""; String addtype = type.toUpperCase(); InternetAddress[] address = null; if (addtype.equals("TO") || addtype.equals("CC") || addtype.equals("BCC")) { if (addtype.equals("TO")) { address = (InternetAddress[]) mimeMessage .getRecipients(Message.RecipientType.TO); } else if (addtype.equals("CC")) { address = (InternetAddress[]) mimeMessage .getRecipients(Message.RecipientType.CC); } else { address = (InternetAddress[]) mimeMessage .getRecipients(Message.RecipientType.BCC); } if (address != null) { for (int i = 0; i < address.length; i++) { String email = address[i].getAddress(); if (email == null) email = ""; else { email = MimeUtility.decodeText(email); } String personal = address[i].getPersonal(); if (personal == null) personal = ""; else { personal = MimeUtility.decodeText(personal); } String compositeto = personal + "<" + email + ">"; mailaddr += "," + compositeto; } mailaddr = mailaddr.substring(1); } } else { throw new Exception("Error emailaddr type!"); } return mailaddr; } /** * 获得邮件主题 */ public String getSubject() throws MessagingException { String subject = ""; try { subject = MimeUtility.decodeText(mimeMessage.getSubject()); if (subject == null) subject = ""; } catch (Exception exce) { } return subject; } /** * 获得邮件发送日期 */ @SuppressLint("SimpleDateFormat") public String getSentDate() throws Exception { Date sentdate = mimeMessage.getSentDate(); SimpleDateFormat format = new SimpleDateFormat(dateformat); return format.format(sentdate); } /** * 获得邮件正文内容 */ public String getBodyText() { return bodytext.toString(); } /** * 解析邮件，把得到的邮件内容保存到一个StringBuffer对象中，解析邮件 主要是根据MimeType类型的不同执行不同的操作，一步一步的解析 */ public void getMailContent(Part part) throws Exception { String contenttype = part.getContentType(); int nameindex = contenttype.indexOf("name"); boolean conname = false; if (nameindex != -1) conname = true; System.out.println("CONTENTTYPE: " + contenttype); if (part.isMimeType("text/plain") && !conname) { bodytext.append((String) part.getContent()); } else if (part.isMimeType("text/html") && !conname) { bodytext.append((String) part.getContent()); } else if (part.isMimeType("multipart/*")) { Multipart multipart = (Multipart) part.getContent(); int counts = multipart.getCount(); for (int i = 0; i < counts; i++) { getMailContent(multipart.getBodyPart(i)); } } else if (part.isMimeType("message/rfc822")) { getMailContent((Part) part.getContent()); } else { } } /** * 判断此邮件是否需要回执，如果需要回执返回"true",否则返回"false" */ public boolean getReplySign() throws MessagingException { boolean replysign = false; String needreply[] = mimeMessage .getHeader("Disposition-Notification-To"); if (needreply != null) { replysign = true; } return replysign; } /** * 获得此邮件的Message-ID */ public String getMessageId() throws MessagingException { return mimeMessage.getMessageID(); } /** * 【判断此邮件是否已读，如果未读返回返回false,反之返回true】pop3协议使用时不能判断。 */ public boolean isNew() throws MessagingException { boolean isnew = false;//由于isnew设为false所以每次显示的都为未读 Flags flags = ((Message) mimeMessage).getFlags(); System.out.println("--------flags-------" + flags); Flags.Flag[] flag = flags.getSystemFlags(); System.out.println("----flag----" + flag); System.out.println("flags's length: " + flag.length); for (int i = 0; i < flag.length; i++) { System.out.println("flag=======" + flag[i]); System.out.println("-=-=-=Flags.Flag.SEEN=-=-=-="+Flags.Flag.SEEN); if (flag[i] == Flags.Flag.SEEN) { isnew = true; System.out.println("seen Message......."); break; } } return isnew; } /** * 判断此邮件是否包含附件 */ @SuppressLint("DefaultLocale") public boolean isContainAttach(Part part) throws Exception { boolean attachflag = false; // String contentType = part.getContentType(); if (part.isMimeType("multipart/*")) { Multipart mp = (Multipart) part.getContent(); for (int i = 0; i < mp.getCount(); i++) { BodyPart mpart = mp.getBodyPart(i); String disposition = mpart.getDisposition(); if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition .equals(Part.INLINE)))) attachflag = true; else if (mpart.isMimeType("multipart/*")) { attachflag = isContainAttach((Part) mpart); } else { String contype = mpart.getContentType(); if (contype.toLowerCase().indexOf("application") != -1) attachflag = true; if (contype.toLowerCase().indexOf("name") != -1) attachflag = true; } } } else if (part.isMimeType("message/rfc822")) { attachflag = isContainAttach((Part) part.getContent()); } return attachflag; } /** * 【保存附件】 */ @SuppressLint("DefaultLocale") public void saveAttachMent(Part part) throws Exception { String fileName = ""; if (part.isMimeType("multipart/*")) { Multipart mp = (Multipart) part.getContent(); for (int i = 0; i < mp.getCount(); i++) { BodyPart mpart = mp.getBodyPart(i);//主体部分得到处理 String disposition = mpart.getDisposition(); if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition .equals(Part.INLINE)))) {//ATTACHMENT附件，INLINE嵌入 fileName = mpart.getFileName(); if (fileName.toLowerCase().indexOf("gb18030") != -1) { fileName = MimeUtility.decodeText(fileName); } saveFile(fileName, mpart.getInputStream()); } else if (mpart.isMimeType("multipart/*")) { saveAttachMent(mpart); } else { fileName = mpart.getFileName(); if ((fileName != null) && (fileName.toLowerCase().indexOf("GB18030") != -1)) { fileName = MimeUtility.decodeText(fileName); saveFile(fileName, mpart.getInputStream()); } } } } else if (part.isMimeType("message/rfc822")) { saveAttachMent((Part) part.getContent()); } } /** * 【设置附件存放路径】 */ public void setAttachPath(String attachpath) { this.saveAttachPath = attachpath; } /** * 【设置日期显示格式】 */ public void setDateFormat(String format) throws Exception { this.dateformat = format; } /** * 【获得附件存放路径】 */ public String getAttachPath() { return saveAttachPath; } /** * 【真正的保存附件到指定目录里】 */ @SuppressLint("DefaultLocale") private void saveFile(String fileName, InputStream in) throws Exception { String osName = System.getProperty("os.name"); System.out.println("----fileName----" + fileName); // String storedir = getAttachPath(); // String separator = ""; if (osName == null) osName = ""; File storefile = new File(File.separator + "mnt" + File.separator + "sdcard" + File.separator + fileName); storefile.createNewFile(); System.out.println("storefile's path: " + storefile.toString()); // for(int i=0;storefile.exists();i++){ // storefile = new File(storedir+separator+fileName+i); // } BufferedOutputStream bos = null; BufferedInputStream bis = null; try { bos = new BufferedOutputStream(new FileOutputStream(storefile)); bis = new BufferedInputStream(in); int c; while ((c = bis.read()) != -1) { bos.write(c); bos.flush(); } } catch (Exception exception) { exception.printStackTrace(); throw new Exception("文件保存失败!"); } finally { bos.close(); bis.close(); } } }
