java實現(xiàn)簡單發(fā)送郵件功能
更新時間:2022年04月22日 10:26:17 作者:Yweir
這篇文章主要為大家詳細介紹了java實現(xiàn)簡單發(fā)送郵件功能,文中示例代碼介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們可以參考一下
本文實例為大家分享了java實現(xiàn)簡單發(fā)送郵件的具體代碼,供大家參考,具體內(nèi)容如下
添加依賴
<!--發(fā)送郵件API--> ? ? <!-- https://mvnrepository.com/artifact/javax.mail/javax.mail-api --> ? ? <dependency> ? ? ? <groupId>javax.mail</groupId> ? ? ? <artifactId>javax.mail-api</artifactId> ? ? ? <version>1.6.2</version> ? ? </dependency> ? ? <!-- https://mvnrepository.com/artifact/com.sun.mail/javax.mail --> ? ? <dependency> ? ? ? <groupId>com.sun.mail</groupId> ? ? ? <artifactId>javax.mail</artifactId> ? ? ? <version>1.6.2</version> </dependency>
自定義異常類
public class EmailException extends Exception { ?? ?public EmailException(String message) { ?? ??? ?super(message); ?? ?} ?? ? public EmailException() { ?? ? ? ? ? ?super(); ?? ? } ?? ?/** ?? ? *? ?? ? */ ?? ?private static final long serialVersionUID = 115631651651651651L; }
IMAP協(xié)議讀取郵件
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Properties; import javax.mail.Address; import javax.mail.BodyPart; import javax.mail.Flags; import javax.mail.Folder; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Part; import javax.mail.Session; import javax.mail.Store; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; import com.sun.mail.util.MailSSLSocketFactory; public class IMAPReceiveMail { ?? ?private String user = "";//賬號 ?? ?private String password = "";//密碼 ?? ?private ?String HOST = ""; // smtp服務器 //?? ?private Properties props = null; ?? ?private Folder folder = null;//收件箱 ?? ?private Store store ?= null;//實例對象 //?? ?final String pop3 = "IMAP"; ?? ?final String imap = "imap"; ?? ?public IMAPReceiveMail(String user,String password) { ?? ??? ?this.password = password;//密碼 ?? ??? ?this.user = user;//賬戶 ?? ?} ?? ? ?? ? /** ?? ? * @param message 郵件對象 ?? ? * @param to 收件人 ?? ? * @throws MessagingException ?? ? * @throws IOException ?? ? */ //?? ?public void forwardMail(Message message,String to) throws MessagingException, IOException { //?? ? ? ? ? ?Message forward = new MimeMessage(session); //?? ? ? ? ? ?forward.setSubject(message.getSubject()); //?? ? ? ? ? ?forward.setFrom(new InternetAddress(to)); //?? ? ? ? ? ?forward.setRecipient(Message.RecipientType.TO, new InternetAddress(to)); //?? ? ? ? ? ?forward.setSentDate(new Date()); //?? ? ? ? ? ?forward.setContent(message.getContent(), message.getContentType()); // //?? ? ? ? ? ?Transport smtp = session.getTransport("smtp"); //?? ? ? ? ? ?smtp.connect(HOST, user, password);//連接服務器的郵箱 //?? ? ? ? ? ?smtp.sendMessage(forward, forward.getAllRecipients()); //?? ? ? ? ? ?smtp.close(); //?? ? } ?? ?/** ?? ? * 接收郵件 ?? ? */ ?? ?public ?Folder resceive() throws Exception { ?? ??? ?/** ?? ??? ? * 因為現(xiàn)在使用的是163郵箱 而163的 pop地址是 pop3.163.com 端口是 110 比如使用好未來企業(yè)郵箱 就需要換成 好未來郵箱的 ?? ??? ? * pop服務器地址 pop.263.net 和 端口 110 ?? ??? ? */ ?? ??? ?String duankou = ""; // 端口號 ?? ??? ?String servicePath = ""; // 服務器地址 ?? ??? ?if(user==null||user.length()==0) throw new EmailException("賬戶不能為空?。。?!"); ?? ??? ?if(password==null||password.length()==0) throw new EmailException("密碼不能為空?。。?!"); ?? ??? ?if(user.contains("@163")) { ?? ??? ??? ?duankou = "143"; // 端口號 ?? ??? ??? ?servicePath = "imap.163.com"; // 服務器地址 ?? ??? ?}else if(user.contains("@qq")) { ?? ??? ??? ?duankou = "993"; // 端口號 ?? ??? ??? ?servicePath = "imap.qq.com"; // 服務器地址 ?? ??? ?}else { ?? ??? ??? ?throw new EmailException("不支持該協(xié)議"); ?? ??? ?} ?? ??? ?// 準備連接服務器的會話信息 ?? ??? ?Properties props = new Properties(); ? ? ? ?? ?? ??? ?props.setProperty("mail.store.protocol", imap); // 使用pop3協(xié)議 ?? ??? ?props.setProperty("mail.imap.socketFactory.fallback", "false"); ?? ??? ?props.setProperty("mail.imap.port", duankou); // 端口 ?? ??? ?props.setProperty("mail.imap.socketFactory.port", duankou); // 端口 ?? ??? ?props.setProperty("mail.transport.protocol", "smtp");// 發(fā)送郵件協(xié)議名稱 ?? ? ? ?props.setProperty("mail.smtp.auth", "true"); ?//需要經(jīng)過授權,也就是有戶名和密碼的校驗,這樣才能通過驗證(一定要有這一條 ?? ? ? ?props.setProperty("mail.host", HOST); ?? ??? ? ?? ??? ?//關閉讀取附件時分批獲取 BASE64 輸入流的配置 ?? ??? ?props.setProperty("mail.imap.partialfetch", "false"); ?? ??? ?props.setProperty("mail.imaps.partialfetch", "false"); //?? ??? ?props.setProperty("mail.pop3.host", servicePath); // pop3服務器 ?? ??? ? //?? ??? ?final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";? // ? ? ? ?Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); //?? ??? ?props.setProperty("mail.imap.socketFactory.class", SSL_FACTORY); ?? ??? ?MailSSLSocketFactory sf = new MailSSLSocketFactory();//ssl加密 ? ? ? ? sf.setTrustAllHosts(true); ? ? ? ? props.put("mail.imap.ssl.enable", "true"); ? ? ? ? props.put("mail.imap.ssl.socketFactory", sf); ? ? ? ?? ?? ??? ?// 創(chuàng)建Session實例對象 ? ? ? ? Session session = Session.getInstance(props); ?? ??? ?session.setDebug(false); ?? ??? ?store = session.getStore(imap); ?? ??? ?store.connect(servicePath,user,password); // 163郵箱程序登錄屬于第三方登錄所以這里的密碼是163給的授權密碼而并非普通的登錄密碼 ?? ??? ?// 獲得收件箱 ?? ??? ?folder = store.getFolder("INBOX"); ?? ??? ?/* ?? ??? ? * Folder.READ_ONLY:只讀權限 Folder.READ_WRITE:可讀可寫(可以修改郵件的狀態(tài)) ?? ??? ? */ ?? ??? ?folder.open(Folder.READ_WRITE); // 打開收件箱 ?? ??? ?// 由于POP3協(xié)議無法獲知郵件的狀態(tài),所以getUnreadMessageCount得到的是收件箱的郵件總數(shù) //?? ??? ?System.out.println("未讀郵件數(shù): " + folder.getUnreadMessageCount()); ?? ??? ?// 由于POP3協(xié)議無法獲知郵件的狀態(tài),所以下面得到的結(jié)果始終都是為0 //?? ??? ?System.out.println("刪除郵件數(shù): " + folder.getDeletedMessageCount()); //?? ??? ?System.out.println("新郵件: " + folder.getNewMessageCount()); ?? ??? ?// 獲得收件箱中的郵件總數(shù) //?? ??? ?System.out.println("郵件總數(shù): " + folder.getMessageCount()); ?? ??? ?// 得到收件箱中的所有郵件,并解析 //?? ??? ?Message[] messages = folder.getMessages(); //?? ??? ?parseMessage(messages); ?? ??? ?// 得到收件箱中的所有郵件并且刪除郵件 //?? ??? ?deleteMessage(messages); ?? ??? ?// 釋放資源 //?? ??? ?folder.close(true); //?? ??? ?store.close(); ?? ??? ?return folder; ?? ?} ?? ?public void Colsefolder() throws MessagingException {//關閉資源 ?? ??? ?if(folder!=null) { ?? ??? ??? ?folder.close(); ?? ??? ?} ?? ??? ?if(store!=null) { ?? ??? ??? ?store.close(); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 解析郵件 ?? ? *? ?? ? * @param messages 要解析的郵件列表 ?? ? */ ?? ?public ?void parseMessage(Message... messages) throws MessagingException, IOException { ?? ??? ?if (messages == null || messages.length < 1) ?? ??? ??? ?throw new MessagingException("未找到要解析的郵件!"); ?? ??? ?// 解析所有郵件 ?? ??? ?for (int i = 0, count = messages.length; i < count; i++) { ?? ??? ??? ?MimeMessage msg = (MimeMessage) messages[i]; ?? ??? ??? ?System.out.println("------------------解析第" + msg.getMessageNumber() + "封郵件-------------------- "); ?? ??? ??? ?System.out.println("主題: " + getSubject(msg)); ?? ??? ??? ?System.out.println("發(fā)件人: " + getFrom(msg)); ?? ??? ??? ?System.out.println("收件人:" + getReceiveAddress(msg, null)); ?? ??? ??? ?System.out.println("發(fā)送時間:" + getSentDate(msg, null)); ?? ??? ??? ?System.out.println("是否已讀:" + isSeen(msg)); ?? ??? ??? ?System.out.println("郵件優(yōu)先級:" + getPriority(msg)); ?? ??? ??? ?System.out.println("是否需要回執(zhí):" + isReplySign(msg)); ?? ??? ??? ?System.out.println("郵件大?。? + msg.getSize() * 1024 + "kb"); ?? ??? ??? ?boolean isContainerAttachment = isContainAttachment(msg); ?? ??? ??? ?System.out.println("是否包含附件:" + isContainerAttachment); ?? ??? ??? ?if (isContainerAttachment) { ?? ??? ??? ??? ?saveAttachment(msg, "f:\\mailTest\\" + msg.getSubject() + "_" + i + "_"); // 保存附件 ?? ??? ??? ?} ?? ??? ??? ?StringBuffer content = new StringBuffer(30); ?? ??? ??? ?getMailTextContent(msg, content); ?? ??? ??? ?System.out.println("郵件正文:" + (content.length() > 100 ? content.substring(0, 100) + "..." : content)); ?? ??? ??? ?System.out.println("------------------第" + msg.getMessageNumber() + "封郵件解析結(jié)束-------------------- "); ?? ??? ??? ?System.out.println(); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 解析郵件 ?? ? *? ?? ? * @param messages 要解析的郵件列表 ?? ? */ ?? ?public ?void deleteMessage(Message... messages) throws MessagingException, IOException { ?? ??? ?if (messages == null || messages.length < 1) ?? ??? ??? ?throw new MessagingException("未找到要解析的郵件!"); ?? ??? ?// 解析所有郵件 ?? ??? ?for (int i = 0, count = messages.length; i < count; i++) { ?? ??? ??? ?/** ?? ??? ??? ? * 郵件刪除 ?? ??? ??? ? */ ?? ??? ??? ?Message message = messages[i]; ?? ??? ??? ?String subject = message.getSubject(); ?? ??? ??? ?// set the DELETE flag to true ?? ??? ??? ?message.setFlag(Flags.Flag.DELETED, true); ?? ??? ??? ?System.out.println("Marked DELETE for message: " + subject); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 獲得郵件主題 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 解碼后的郵件主題 ?? ? */ ?? ?public ?String getSubject(MimeMessage msg) throws UnsupportedEncodingException, MessagingException { ?? ??? ?return MimeUtility.decodeText(msg.getSubject()); ?? ?} ?? ?/** ?? ? * 獲得郵件發(fā)件人 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 姓名 <Email地址> ?? ? * @throws MessagingException ?? ? * @throws UnsupportedEncodingException ?? ? */ ?? ?public ?String getFrom(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { ?? ??? ?String from = ""; ?? ??? ?Address[] froms = msg.getFrom(); ?? ??? ?if (froms.length < 1) ?? ??? ??? ?throw new MessagingException("沒有發(fā)件人!"); ?? ??? ?InternetAddress address = (InternetAddress) froms[0]; ?? ??? ?String person = address.getPersonal(); ?? ??? ?if (person != null) { ?? ??? ??? ?person = MimeUtility.decodeText(person) + " "; ?? ??? ?} else { ?? ??? ??? ?person = ""; ?? ??? ?} ?? ??? ?from = person + "<" + address.getAddress() + ">"; ?? ??? ?return from; ?? ?} ?? ? ?? ? ?? ?public ?String getFromAddress(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { ?? ??? ?String from = ""; ?? ??? ?Address[] froms = msg.getFrom(); ?? ??? ?if (froms.length < 1) ?? ??? ??? ?throw new MessagingException("沒有發(fā)件人!"); ?? ??? ?InternetAddress address = (InternetAddress) froms[0]; ?? ??? ?from = address.getAddress(); ?? ??? ?return from; ?? ?} ?? ?/** ?? ? * 根據(jù)收件人類型,獲取郵件收件人、抄送和密送地址。如果收件人類型為空,則獲得所有的收件人 ?? ? * <p> ?? ? * Message.RecipientType.TO 收件人 ?? ? * </p> ?? ? * <p> ?? ? * Message.RecipientType.CC 抄送 ?? ? * </p> ?? ? * <p> ?? ? * Message.RecipientType.BCC 密送 ?? ? * </p> ?? ? *? ?? ? * @param msg ?郵件內(nèi)容 ?? ? * @param type 收件人類型 ?? ? * @return 收件人1 <郵件地址1>, 收件人2 <郵件地址2>, ... ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getReceiveAddress(MimeMessage msg, Message.RecipientType type) throws MessagingException { ?? ??? ?StringBuffer receiveAddress = new StringBuffer(); ?? ??? ?Address[] addresss = null; ?? ??? ?if (type == null) { ?? ??? ??? ?addresss = msg.getAllRecipients(); ?? ??? ?} else { ?? ??? ??? ?addresss = msg.getRecipients(type); ?? ??? ?} ?? ??? ?if (addresss == null || addresss.length < 1) ?? ??? ??? ?throw new MessagingException("沒有收件人!"); ?? ??? ?for (Address address : addresss) { ?? ??? ??? ?InternetAddress internetAddress = (InternetAddress) address; ?? ??? ??? ?receiveAddress.append(internetAddress.toUnicodeString()).append(","); ?? ??? ?} ?? ??? ?receiveAddress.deleteCharAt(receiveAddress.length() - 1); // 刪除最后一個逗號 ?? ??? ?return receiveAddress.toString(); ?? ?} ?? ?/** ?? ? * 獲得郵件發(fā)送時間 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return yyyy年mm月dd日 星期X HH:mm ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getSentDate(MimeMessage msg, String pattern) throws MessagingException { ?? ??? ?Date receivedDate = msg.getSentDate(); ?? ??? ?if (receivedDate == null) ?? ??? ??? ?return ""; ?? ??? ?if (pattern == null || "".equals(pattern)) ?? ??? ??? ?pattern = "yyyy年MM月dd日 E HH:mm "; ?? ??? ?return new SimpleDateFormat(pattern).format(receivedDate); ?? ?} ?? ?/** ?? ? * 判斷郵件中是否包含附件 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 郵件中存在附件返回true,不存在返回false ?? ? * @throws MessagingException ?? ? * @throws IOException ?? ? */ ?? ?public ?boolean isContainAttachment(Part part) throws MessagingException, IOException { ?? ??? ?boolean flag = false; ?? ??? ?if (part.isMimeType("multipart/*")) { ?? ??? ??? ?MimeMultipart multipart = (MimeMultipart) part.getContent(); ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?String disp = bodyPart.getDisposition(); ?? ??? ??? ??? ?if (disp != null && (disp.equalsIgnoreCase(Part.ATTACHMENT) || disp.equalsIgnoreCase(Part.INLINE))) { ?? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ?} else if (bodyPart.isMimeType("multipart/*")) { ?? ??? ??? ??? ??? ?flag = isContainAttachment(bodyPart); ?? ??? ??? ??? ?} else { ?? ??? ??? ??? ??? ?String contentType = bodyPart.getContentType(); ?? ??? ??? ??? ??? ?if (contentType.indexOf("application") != -1) { ?? ??? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ??? ?if (contentType.indexOf("name") != -1) { ?? ??? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ?} ?? ??? ??? ??? ?if (flag) ?? ??? ??? ??? ??? ?break; ?? ??? ??? ?} ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?flag = isContainAttachment((Part) part.getContent()); ?? ??? ?} ?? ??? ?return flag; ?? ?} ?? ?/** ?? ? * 判斷郵件是否已讀 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 如果郵件已讀返回true,否則返回false ?? ? * @throws MessagingException ?? ? */ ?? ?public ?boolean isSeen(MimeMessage msg) throws MessagingException { ?? ??? ?return msg.getFlags().contains(Flags.Flag.SEEN); ?? ?} ?? ?/** ?? ? * 判斷郵件是否需要閱讀回執(zhí) ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 需要回執(zhí)返回true,否則返回false ?? ? * @throws MessagingException ?? ? */ ?? ?public ?boolean isReplySign(MimeMessage msg) throws MessagingException { ?? ??? ?boolean replySign = false; ?? ??? ?String[] headers = msg.getHeader("Disposition-Notification-To"); ?? ??? ?if (headers != null) ?? ??? ??? ?replySign = true; ?? ??? ?return replySign; ?? ?} ?? ?/** ?? ? * 獲得郵件的優(yōu)先級 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 1(High):緊急 3:普通(Normal) 5:低(Low) ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getPriority(MimeMessage msg) throws MessagingException { ?? ??? ?String priority = "普通"; ?? ??? ?String[] headers = msg.getHeader("X-Priority"); ?? ??? ?if (headers != null) { ?? ??? ??? ?String headerPriority = headers[0]; ?? ??? ??? ?if (headerPriority.indexOf("1") != -1 || headerPriority.indexOf("High") != -1) ?? ??? ??? ??? ?priority = "緊急"; ?? ??? ??? ?else if (headerPriority.indexOf("5") != -1 || headerPriority.indexOf("Low") != -1) ?? ??? ??? ??? ?priority = "低"; ?? ??? ??? ?else ?? ??? ??? ??? ?priority = "普通"; ?? ??? ?} ?? ??? ?return priority; ?? ?} ?? ?/** ?? ? * 獲得郵件文本內(nèi)容 ?? ? *? ?? ? * @param part ? ?郵件體 ?? ? * @param content 存儲郵件文本內(nèi)容的字符串 ?? ? * @throws MessagingException ?? ? * @throws IOException ?? ? */ ?? ?public ?void getMailTextContent(Part part, StringBuffer content) throws MessagingException, IOException { ?? ??? ?// 如果是文本類型的附件,通過getContent方法可以取到文本內(nèi)容,但這不是我們需要的結(jié)果,所以在這里要做判斷 ?? ??? ?boolean isContainTextAttach = part.getContentType().indexOf("name") > 0; ?? ??? ?if (part.isMimeType("text/*") && !isContainTextAttach) { ?? ??? ??? ?content.append(part.getContent().toString()); ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?getMailTextContent((Part) part.getContent(), content); ?? ??? ?} else if (part.isMimeType("multipart/*")) { ?? ??? ??? ?Multipart multipart = (Multipart) part.getContent(); ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?getMailTextContent(bodyPart, content); ?? ??? ??? ?} ?? ??? ?} ?? ?} ?? ?/** ?? ? * 保存附件 ?? ? *? ?? ? * @param part ? ?郵件中多個組合體中的其中一個組合體 ?? ? * @param destDir 附件保存目錄 ?? ? * @throws UnsupportedEncodingException ?? ? * @throws MessagingException ?? ? * @throws FileNotFoundException ?? ? * @throws IOException ?? ? */ ?? ?public ?void saveAttachment(Part part, String destDir) ?? ??? ??? ?throws UnsupportedEncodingException, MessagingException, FileNotFoundException, IOException { ?? ??? ?if (part.isMimeType("multipart/*")) { ?? ??? ??? ?Multipart multipart = (Multipart) part.getContent(); // 復雜體郵件 ?? ??? ??? ?// 復雜體郵件包含多個郵件體 ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?// 獲得復雜體郵件中其中一個郵件體 ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?// 某一個郵件體也有可能是由多個郵件體組成的復雜體 ?? ??? ??? ??? ?String disp = bodyPart.getDisposition(); ?? ??? ??? ??? ?if (disp != null && (disp.equalsIgnoreCase(Part.ATTACHMENT) || disp.equalsIgnoreCase(Part.INLINE))) { ?? ??? ??? ??? ??? ?InputStream is = bodyPart.getInputStream(); ?? ??? ??? ??? ??? ?saveFile(is, destDir, decodeText(bodyPart.getFileName())); ?? ??? ??? ??? ?} else if (bodyPart.isMimeType("multipart/*")) { ?? ??? ??? ??? ??? ?saveAttachment(bodyPart, destDir); ?? ??? ??? ??? ?} else { ?? ??? ??? ??? ??? ?String contentType = bodyPart.getContentType(); ?? ??? ??? ??? ??? ?if (contentType.indexOf("name") != -1 || contentType.indexOf("application") != -1) { ?? ??? ??? ??? ??? ??? ?saveFile(bodyPart.getInputStream(), destDir, decodeText(bodyPart.getFileName())); ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ?} ?? ??? ??? ?} ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?saveAttachment((Part) part.getContent(), destDir); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 讀取輸入流中的數(shù)據(jù)保存至指定目錄 ?? ? *? ?? ? * @param is ? ? ? 輸入流 ?? ? * @param fileName 文件名 ?? ? * @param destDir ?文件存儲目錄 ?? ? * @throws FileNotFoundException ?? ? * @throws IOException ?? ? */ ?? ?private ?void saveFile(InputStream is, String destDir, String fileName) ?? ??? ??? ?throws FileNotFoundException, IOException { ?? ??? ?BufferedInputStream bis = new BufferedInputStream(is); ?? ??? ?BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(destDir + fileName))); ?? ??? ?int len = -1; ?? ??? ?while ((len = bis.read()) != -1) { ?? ??? ??? ?bos.write(len); ?? ??? ??? ?bos.flush(); ?? ??? ?} ?? ??? ?bos.close(); ?? ??? ?bis.close(); ?? ?} ?? ?public void SetSEEN(MimeMessage message) throws MessagingException {//設置文件已讀 ?? ??? ?message.setFlag(Flags.Flag.SEEN,true); ?? ?} ?? ?/** ?? ? * 文本解碼 ?? ? *? ?? ? * @param encodeText 解碼MimeUtility.encodeText(String text)方法編碼后的文本 ?? ? * @return 解碼后的文本 ?? ? * @throws UnsupportedEncodingException ?? ? */ ?? ?public ?String decodeText(String encodeText) throws UnsupportedEncodingException { ?? ??? ?if (encodeText == null || "".equals(encodeText)) { ?? ??? ??? ?return ""; ?? ??? ?} else { ?? ??? ??? ?return MimeUtility.decodeText(encodeText); ?? ??? ?} ?? ?} }
POP3協(xié)議接收郵件
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Properties; import javax.mail.Address; import javax.mail.BodyPart; import javax.mail.Flags; import javax.mail.Folder; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Part; import javax.mail.Session; import javax.mail.Store; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; import com.sun.mail.util.MailSSLSocketFactory; /** ?* 使用POP3協(xié)議接收郵件 ?*/ public class POP3ReceiveMail { ?? ?private String user = "";//賬號 ?? ?private String password = "";//密碼 //?? ?private Properties props = null; ?? ?private Folder folder = null;//收件箱 ?? ?private Store store ?= null;//實例對象 ?? ?final String pop3 = "pop3"; //?? ?final String imap = "imap"; ?? ?public POP3ReceiveMail(String user,String password) { ?? ??? ?this.password = password;//密碼 ?? ??? ?this.user = user;//賬戶 ?? ?} ?? ?/** ?? ? * 接收郵件 ?? ? */ ?? ?public ?Folder resceive() throws Exception { ?? ??? ?/** ?? ??? ? * 因為現(xiàn)在使用的是163郵箱 而163的 pop地址是 pop3.163.com 端口是 110 比如使用好未來企業(yè)郵箱 就需要換成 好未來郵箱的 ?? ??? ? * pop服務器地址 pop.263.net 和 端口 110 ?? ??? ? */ ?? ??? ? ?? ??? ?String duankou = ""; // 端口號 ?? ??? ?String servicePath = ""; // 服務器地址 ?? ??? ?if(user==null||user.length()==0) throw new EmailException("賬戶不能為空?。。。?); ?? ??? ?if(password==null||password.length()==0) throw new EmailException("密碼不能為空?。。?!"); ?? ??? ?if(user.contains("@163")) { ?? ??? ??? ?duankou = "110"; // 端口號 ?? ??? ??? ?servicePath = "pop3.163.com"; // 服務器地址 ?? ??? ?}else if(user.contains("@qq")) { ?? ??? ??? ?duankou = "995"; // 端口號 ?? ??? ??? ?servicePath = "pop.qq.com"; // 服務器地址 ?? ??? ?}else { ?? ??? ??? ?throw new EmailException("不支持該協(xié)議"); ?? ??? ?} ?? ??? ? ?? ??? ?// 準備連接服務器的會話信息 ?? ??? ?Properties props = new Properties(); ?? ??? ?props.setProperty("mail.store.protocol", pop3); // 使用pop3協(xié)議 //?? ??? ?props.setProperty("mail.transport.protocol", pop3); // 使用pop3協(xié)議 ?? ??? ?props.setProperty("mail.pop3.port", duankou); // 端口 ?? ??? ?props.setProperty("mail.pop3.host", servicePath); // pop3服務器 ?? ??? ?props.setProperty("mail.pop3.socketFactory.fallback", "true"); ?? ??? ? ?? ??? ?MailSSLSocketFactory sf = new MailSSLSocketFactory();//ssl加密 ? ? ? ? sf.setTrustAllHosts(true); ? ? ? ? props.put("mail.pop3.ssl.enable", "true"); ? ? ? ? props.put("mail.pop3.ssl.socketFactory", sf); ? ? ? ?? //?? ??? ?final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";? // ? ? ?Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); //?? ??? ?props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY); ?? ??? ?// 創(chuàng)建Session實例對象 ?? ??? ?Session session = Session.getInstance(props); ?? ??? ?store = session.getStore(pop3); ?? ??? ?store.connect(servicePath,user,password); // 163郵箱程序登錄屬于第三方登錄所以這里的密碼是163給的授權密碼而并非普通的登錄密碼 ?? ??? ?// 獲得收件箱 ?? ??? ?folder = store.getFolder("INBOX"); ?? ??? ?/* ?? ??? ? * Folder.READ_ONLY:只讀權限 Folder.READ_WRITE:可讀可寫(可以修改郵件的狀態(tài)) ?? ??? ? */ //?? ??? ?folder.open(Folder.READ_WRITE); // 打開收件箱 ?? ??? ?folder.open(Folder.READ_WRITE); // 打開收件箱 ?? ??? ?// 由于POP3協(xié)議無法獲知郵件的狀態(tài),所以getUnreadMessageCount得到的是收件箱的郵件總數(shù) //?? ??? ?System.out.println("未讀郵件數(shù): " + folder.getUnreadMessageCount()); ?? ??? ?// 由于POP3協(xié)議無法獲知郵件的狀態(tài),所以下面得到的結(jié)果始終都是為0 //?? ??? ?System.out.println("刪除郵件數(shù): " + folder.getDeletedMessageCount()); //?? ??? ?System.out.println("新郵件: " + folder.getNewMessageCount()); ?? ??? ?// 獲得收件箱中的郵件總數(shù) //?? ??? ?System.out.println("郵件總數(shù): " + folder.getMessageCount()); ?? ??? ?// 得到收件箱中的所有郵件,并解析 //?? ??? ?Message[] messages = folder.getMessages(); //?? ??? ?parseMessage(messages); ?? ??? ?// 得到收件箱中的所有郵件并且刪除郵件 //?? ??? ?deleteMessage(messages); ?? ??? ?// 釋放資源 //?? ??? ?folder.close(true); //?? ??? ?store.close(); ?? ??? ?return folder; ?? ?} ?? ?public void Colsefolder() throws MessagingException {//關閉資源 ?? ??? ?if(folder!=null) { ?? ??? ??? ?folder.close(); ?? ??? ?} ?? ??? ?if(store!=null) { ?? ??? ??? ?store.close(); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 解析郵件 ?? ? *? ?? ? * @param messages 要解析的郵件列表 ?? ? */ ?? ?public ?void parseMessage(Message... messages) throws MessagingException, IOException { ?? ??? ?if (messages == null || messages.length < 1) ?? ??? ??? ?throw new MessagingException("未找到要解析的郵件!"); ?? ??? ?// 解析所有郵件 ?? ??? ?for (int i = 0, count = messages.length; i < count; i++) { ?? ??? ??? ?MimeMessage msg = (MimeMessage) messages[i]; ?? ??? ??? ?System.out.println("------------------解析第" + msg.getMessageNumber() + "封郵件-------------------- "); ?? ??? ??? ?System.out.println("主題: " + getSubject(msg)); ?? ??? ??? ?System.out.println("發(fā)件人: " + getFrom(msg)); ?? ??? ??? ?System.out.println("收件人:" + getReceiveAddress(msg, null)); ?? ??? ??? ?System.out.println("發(fā)送時間:" + getSentDate(msg, null)); ?? ??? ??? ?System.out.println("是否已讀:" + isSeen(msg)); ?? ??? ??? ?System.out.println("郵件優(yōu)先級:" + getPriority(msg)); ?? ??? ??? ?System.out.println("是否需要回執(zhí):" + isReplySign(msg)); ?? ??? ??? ?System.out.println("郵件大?。? + msg.getSize() * 1024 + "kb"); ?? ??? ??? ?boolean isContainerAttachment = isContainAttachment(msg); ?? ??? ??? ?System.out.println("是否包含附件:" + isContainerAttachment); ?? ??? ??? ?if (isContainerAttachment) { ?? ??? ??? ??? ?saveAttachment(msg, "f:\\mailTest\\" + msg.getSubject() + "_" + i + "_"); // 保存附件 ?? ??? ??? ?} ?? ??? ??? ?StringBuffer content = new StringBuffer(30); ?? ??? ??? ?getMailTextContent(msg, content); ?? ??? ??? ?System.out.println("郵件正文:" + (content.length() > 100 ? content.substring(0, 100) + "..." : content)); ?? ??? ??? ?System.out.println("------------------第" + msg.getMessageNumber() + "封郵件解析結(jié)束-------------------- "); ?? ??? ??? ?System.out.println(); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 解析郵件 ?? ? *? ?? ? * @param messages 要解析的郵件列表 ?? ? */ ?? ?public ?void deleteMessage(Message... messages) throws MessagingException, IOException { ?? ??? ?if (messages == null || messages.length < 1) ?? ??? ??? ?throw new MessagingException("未找到要解析的郵件!"); ?? ??? ?// 解析所有郵件 ?? ??? ?for (int i = 0, count = messages.length; i < count; i++) { ?? ??? ??? ?/** ?? ??? ??? ? * 郵件刪除 ?? ??? ??? ? */ ?? ??? ??? ?Message message = messages[i]; ?? ??? ??? ?String subject = message.getSubject(); ?? ??? ??? ?// set the DELETE flag to true ?? ??? ??? ?message.setFlag(Flags.Flag.DELETED, true); ?? ??? ??? ?System.out.println("Marked DELETE for message: " + subject); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 獲得郵件主題 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 解碼后的郵件主題 ?? ? */ ?? ?public ?String getSubject(MimeMessage msg) throws UnsupportedEncodingException, MessagingException { ?? ??? ?return MimeUtility.decodeText(msg.getSubject()); ?? ?} ?? ?/** ?? ? * 獲得郵件發(fā)件人 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 姓名 <Email地址> ?? ? * @throws MessagingException ?? ? * @throws UnsupportedEncodingException ?? ? */ ?? ?public ?String getFrom(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { ?? ??? ?String from = ""; ?? ??? ?Address[] froms = msg.getFrom(); ?? ??? ?if (froms.length < 1) ?? ??? ??? ?throw new MessagingException("沒有發(fā)件人!"); ?? ??? ?InternetAddress address = (InternetAddress) froms[0]; ?? ??? ?String person = address.getPersonal(); ?? ??? ?if (person != null) { ?? ??? ??? ?person = MimeUtility.decodeText(person) + " "; ?? ??? ?} else { ?? ??? ??? ?person = ""; ?? ??? ?} ?? ??? ?from = person + "<" + address.getAddress() + ">"; ?? ??? ?return from; ?? ?} ?? ?public ?String getFromAddress(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { ?? ??? ?String from = ""; ?? ??? ?Address[] froms = msg.getFrom(); ?? ??? ?if (froms.length < 1) ?? ??? ??? ?throw new MessagingException("沒有發(fā)件人!"); ?? ??? ?InternetAddress address = (InternetAddress) froms[0]; ?? ??? ?from = address.getAddress(); ?? ??? ?return from; ?? ?} ?? ?/** ?? ? * 根據(jù)收件人類型,獲取郵件收件人、抄送和密送地址。如果收件人類型為空,則獲得所有的收件人 ?? ? * <p> ?? ? * Message.RecipientType.TO 收件人 ?? ? * </p> ?? ? * <p> ?? ? * Message.RecipientType.CC 抄送 ?? ? * </p> ?? ? * <p> ?? ? * Message.RecipientType.BCC 密送 ?? ? * </p> ?? ? *? ?? ? * @param msg ?郵件內(nèi)容 ?? ? * @param type 收件人類型 ?? ? * @return 收件人1 <郵件地址1>, 收件人2 <郵件地址2>, ... ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getReceiveAddress(MimeMessage msg, Message.RecipientType type) throws MessagingException { ?? ??? ?StringBuffer receiveAddress = new StringBuffer(); ?? ??? ?Address[] addresss = null; ?? ??? ?if (type == null) { ?? ??? ??? ?addresss = msg.getAllRecipients(); ?? ??? ?} else { ?? ??? ??? ?addresss = msg.getRecipients(type); ?? ??? ?} ?? ??? ?if (addresss == null || addresss.length < 1) ?? ??? ??? ?throw new MessagingException("沒有收件人!"); ?? ??? ?for (Address address : addresss) { ?? ??? ??? ?InternetAddress internetAddress = (InternetAddress) address; ?? ??? ??? ?receiveAddress.append(internetAddress.toUnicodeString()).append(","); ?? ??? ?} ?? ??? ?receiveAddress.deleteCharAt(receiveAddress.length() - 1); // 刪除最后一個逗號 ?? ??? ?return receiveAddress.toString(); ?? ?} ?? ?/** ?? ? * 獲得郵件發(fā)送時間 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return yyyy年mm月dd日 星期X HH:mm ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getSentDate(MimeMessage msg, String pattern) throws MessagingException { ?? ??? ?Date receivedDate = msg.getSentDate(); ?? ??? ?if (receivedDate == null) ?? ??? ??? ?return ""; ?? ??? ?if (pattern == null || "".equals(pattern)) ?? ??? ??? ?pattern = "yyyy年MM月dd日 E HH:mm "; ?? ??? ?return new SimpleDateFormat(pattern).format(receivedDate); ?? ?} ?? ?/** ?? ? * 判斷郵件中是否包含附件 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 郵件中存在附件返回true,不存在返回false ?? ? * @throws MessagingException ?? ? * @throws IOException ?? ? */ ?? ?public ?boolean isContainAttachment(Part part) throws MessagingException, IOException { ?? ??? ?boolean flag = false; ?? ??? ?if (part.isMimeType("multipart/*")) { ?? ??? ??? ?MimeMultipart multipart = (MimeMultipart) part.getContent(); ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?String disp = bodyPart.getDisposition(); ?? ??? ??? ??? ?if (disp != null && (disp.equalsIgnoreCase(Part.ATTACHMENT) || disp.equalsIgnoreCase(Part.INLINE))) { ?? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ?} else if (bodyPart.isMimeType("multipart/*")) { ?? ??? ??? ??? ??? ?flag = isContainAttachment(bodyPart); ?? ??? ??? ??? ?} else { ?? ??? ??? ??? ??? ?String contentType = bodyPart.getContentType(); ?? ??? ??? ??? ??? ?if (contentType.indexOf("application") != -1) { ?? ??? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ??? ?if (contentType.indexOf("name") != -1) { ?? ??? ??? ??? ??? ??? ?flag = true; ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ?} ?? ??? ??? ??? ?if (flag) ?? ??? ??? ??? ??? ?break; ?? ??? ??? ?} ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?flag = isContainAttachment((Part) part.getContent()); ?? ??? ?} ?? ??? ?return flag; ?? ?} ?? ?/** ?? ? * 判斷郵件是否已讀 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 如果郵件已讀返回true,否則返回false ?? ? * @throws MessagingException ?? ? */ ?? ?public ?boolean isSeen(MimeMessage msg) throws MessagingException { ?? ??? ?return msg.getFlags().contains(Flags.Flag.SEEN); ?? ?} ?? ?/** ?? ? * 判斷郵件是否需要閱讀回執(zhí) ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 需要回執(zhí)返回true,否則返回false ?? ? * @throws MessagingException ?? ? */ ?? ?public ?boolean isReplySign(MimeMessage msg) throws MessagingException { ?? ??? ?boolean replySign = false; ?? ??? ?String[] headers = msg.getHeader("Disposition-Notification-To"); ?? ??? ?if (headers != null) ?? ??? ??? ?replySign = true; ?? ??? ?return replySign; ?? ?} ?? ?/** ?? ? * 獲得郵件的優(yōu)先級 ?? ? *? ?? ? * @param msg 郵件內(nèi)容 ?? ? * @return 1(High):緊急 3:普通(Normal) 5:低(Low) ?? ? * @throws MessagingException ?? ? */ ?? ?public ?String getPriority(MimeMessage msg) throws MessagingException { ?? ??? ?String priority = "普通"; ?? ??? ?String[] headers = msg.getHeader("X-Priority"); ?? ??? ?if (headers != null) { ?? ??? ??? ?String headerPriority = headers[0]; ?? ??? ??? ?if (headerPriority.indexOf("1") != -1 || headerPriority.indexOf("High") != -1) ?? ??? ??? ??? ?priority = "緊急"; ?? ??? ??? ?else if (headerPriority.indexOf("5") != -1 || headerPriority.indexOf("Low") != -1) ?? ??? ??? ??? ?priority = "低"; ?? ??? ??? ?else ?? ??? ??? ??? ?priority = "普通"; ?? ??? ?} ?? ??? ?return priority; ?? ?} ?? ?/** ?? ? * 獲得郵件文本內(nèi)容 ?? ? *? ?? ? * @param part ? ?郵件體 ?? ? * @param content 存儲郵件文本內(nèi)容的字符串 ?? ? * @throws MessagingException ?? ? * @throws IOException ?? ? */ ?? ?public ?void getMailTextContent(Part part, StringBuffer content) throws MessagingException, IOException { ?? ??? ?// 如果是文本類型的附件,通過getContent方法可以取到文本內(nèi)容,但這不是我們需要的結(jié)果,所以在這里要做判斷 ?? ??? ?boolean isContainTextAttach = part.getContentType().indexOf("name") > 0; ?? ??? ?if (part.isMimeType("text/*") && !isContainTextAttach) { ?? ??? ??? ?content.append(part.getContent().toString()); ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?getMailTextContent((Part) part.getContent(), content); ?? ??? ?} else if (part.isMimeType("multipart/*")) { ?? ??? ??? ?Multipart multipart = (Multipart) part.getContent(); ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?getMailTextContent(bodyPart, content); ?? ??? ??? ?} ?? ??? ?} ?? ?} ?? ?/** ?? ? * 保存附件 ?? ? *? ?? ? * @param part ? ?郵件中多個組合體中的其中一個組合體 ?? ? * @param destDir 附件保存目錄 ?? ? * @throws UnsupportedEncodingException ?? ? * @throws MessagingException ?? ? * @throws FileNotFoundException ?? ? * @throws IOException ?? ? */ ?? ?public ?void saveAttachment(Part part, String destDir) ?? ??? ??? ?throws UnsupportedEncodingException, MessagingException, FileNotFoundException, IOException { ?? ??? ?if (part.isMimeType("multipart/*")) { ?? ??? ??? ?Multipart multipart = (Multipart) part.getContent(); // 復雜體郵件 ?? ??? ??? ?// 復雜體郵件包含多個郵件體 ?? ??? ??? ?int partCount = multipart.getCount(); ?? ??? ??? ?for (int i = 0; i < partCount; i++) { ?? ??? ??? ??? ?// 獲得復雜體郵件中其中一個郵件體 ?? ??? ??? ??? ?BodyPart bodyPart = multipart.getBodyPart(i); ?? ??? ??? ??? ?// 某一個郵件體也有可能是由多個郵件體組成的復雜體 ?? ??? ??? ??? ?String disp = bodyPart.getDisposition(); ?? ??? ??? ??? ?if (disp != null && (disp.equalsIgnoreCase(Part.ATTACHMENT) || disp.equalsIgnoreCase(Part.INLINE))) { ?? ??? ??? ??? ??? ?InputStream is = bodyPart.getInputStream(); ?? ??? ??? ??? ??? ?saveFile(is, destDir, decodeText(bodyPart.getFileName())); ?? ??? ??? ??? ?} else if (bodyPart.isMimeType("multipart/*")) { ?? ??? ??? ??? ??? ?saveAttachment(bodyPart, destDir); ?? ??? ??? ??? ?} else { ?? ??? ??? ??? ??? ?String contentType = bodyPart.getContentType(); ?? ??? ??? ??? ??? ?if (contentType.indexOf("name") != -1 || contentType.indexOf("application") != -1) { ?? ??? ??? ??? ??? ??? ?saveFile(bodyPart.getInputStream(), destDir, decodeText(bodyPart.getFileName())); ?? ??? ??? ??? ??? ?} ?? ??? ??? ??? ?} ?? ??? ??? ?} ?? ??? ?} else if (part.isMimeType("message/rfc822")) { ?? ??? ??? ?saveAttachment((Part) part.getContent(), destDir); ?? ??? ?} ?? ?} ?? ?/** ?? ? * 讀取輸入流中的數(shù)據(jù)保存至指定目錄 ?? ? *? ?? ? * @param is ? ? ? 輸入流 ?? ? * @param fileName 文件名 ?? ? * @param destDir ?文件存儲目錄 ?? ? * @throws FileNotFoundException ?? ? * @throws IOException ?? ? */ ?? ?private ?void saveFile(InputStream is, String destDir, String fileName) ?? ??? ??? ?throws FileNotFoundException, IOException { ?? ??? ?BufferedInputStream bis = new BufferedInputStream(is); ?? ??? ?BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(destDir + fileName))); ?? ??? ?int len = -1; ?? ??? ?while ((len = bis.read()) != -1) { ?? ??? ??? ?bos.write(len); ?? ??? ??? ?bos.flush(); ?? ??? ?} ?? ??? ?bos.close(); ?? ??? ?bis.close(); ?? ?} ?? ?/** ?? ? * 文本解碼 ?? ? *? ?? ? * @param encodeText 解碼MimeUtility.encodeText(String text)方法編碼后的文本 ?? ? * @return 解碼后的文本 ?? ? * @throws UnsupportedEncodingException ?? ? */ ?? ?public ?String decodeText(String encodeText) throws UnsupportedEncodingException { ?? ??? ?if (encodeText == null || "".equals(encodeText)) { ?? ??? ??? ?return ""; ?? ??? ?} else { ?? ??? ??? ?return MimeUtility.decodeText(encodeText); ?? ??? ?} ?? ?} }
發(fā)送郵件
import java.io.File; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.security.GeneralSecurityException; import java.util.Date; import java.util.Properties; import java.util.UUID; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; import com.sun.mail.util.MailSSLSocketFactory; /* ?* 發(fā)送郵件 ?*/ public class SendMailUtil { ?? ?private ?String HOST = ""; // smtp服務器 ?? ?private String FROM = ""; // 發(fā)件人地址 //?? ?private String TO = ""; // 收件人地址 ?? ?private String[] AFFIX = null; // 附件地址 // ? ?private String AFFIXNAME = ""; // 附件名稱 ? ? private String USER = ""; // 用戶名 ? ? private String PWD = ""; // 163的授權碼 // ? ?private String SUBJECT = ""; // 郵件標題 ? ? private String[] TOS = null; ? ? private ?Properties props = null;// ? ? /** ? ? ?* @param USER 賬戶名 ? ? ?* @param PWD?? ?密碼 ? ? ?* @param FROM 發(fā)件人地址 ? ? ?* @throws EmailException? ? ? ?* @throws GeneralSecurityException? ? ? ?*/ ? ? public SendMailUtil(String USER,String PWD,String FROM) throws EmailException, GeneralSecurityException { ? ? ?? ?this.USER = USER;//賬戶 ? ? ?? ?this.PWD = PWD;//密碼 ? ? ?? ?this.FROM = FROM;//發(fā)件人地址 ? ? ?? ?stratProperties(); ? ? ?? ? ? ? } ? ? private void stratProperties() throws EmailException, GeneralSecurityException { ? ? ?? ? props = new Properties(); ? ? ??? ?if(USER==null||USER.length()==0) { ? ? ??? ??? ?throw new EmailException("郵箱賬號不能為空");?? ? ? ? ??? ?}else { ? ? ??? ??? ?if(USER.contains("@qq")) { ? ? ??? ??? ??? ?HOST = "smtp.qq.com"; ? ? ??? ??? ?}else if(USER.contains("@163")) { ? ? ??? ??? ??? ?HOST = "smtp.163.com"; ? ? ??? ??? ?}else if(USER.contains("@sina")) { ? ? ??? ??? ??? ?HOST = "smtp.sina.com.cn"; ? ? ??? ??? ?}else { ? ? ??? ??? ??? ?throw new EmailException("不支持該協(xié)議"); ? ? ??? ??? ?} // ? ? ?? ??? ?props.setProperty("mail.smtp.host", HOST);//設置發(fā)送郵件的郵件服務器的屬性(這里使用網(wǎng)易的smtp服務器) ? ? ??? ??? ?// 設置郵件服務器主機名 ? ? ??? ??? ?props.setProperty("mail.host", HOST); ? ? ??? ? ? ? ? ? ??? ?} ? ? ??? ?if(PWD==null||PWD.length()==0)throw new EmailException("郵箱密碼不能為空"); ? ? ??? ? props.setProperty("mail.transport.protocol", "smtp");// 發(fā)送郵件協(xié)議名稱 ? ? ??? ?props.setProperty("mail.smtp.auth", "true"); ?//需要經(jīng)過授權,也就是有戶名和密碼的校驗,這樣才能通過驗證(一定要有這一條) // ? ? ?? ?props.put("mail.debug", "true");//設置debug模式 后臺輸出郵件發(fā)送的過程 ? ? ??? ? ? ? ??? ?MailSSLSocketFactory sf = new MailSSLSocketFactory();//ssl加密 ? ? ? ? ?sf.setTrustAllHosts(true); ? ? ? ? ?props.put("mail.smtp.ssl.enable", "true"); ? ? ? ? ?props.put("mail.smtp.ssl.socketFactory", sf); ? ? } ? ?? ? ? public void forwardMail(Message message) throws AddressException, MessagingException, EmailException, IOException { ? ? ?? ?if(TOS.length==0)throw new EmailException("收件人不能為空"); ? ? ?? ? Session session = Session.getInstance(props);//用props對象構建一個session // ?? ? ? ?session.setDebug(true);//關閉控制臺輸出 ??? ? ? ?MimeMessage newmessage = new MimeMessage(session);//用session為參數(shù)定義消息對象 ??? ? ? ?newmessage.setSubject(message.getSubject()); ??? ? ? ?? ?newmessage.setFrom(new InternetAddress(FROM)); ??? ? ?? ?newmessage.setSentDate(new Date()); ??? ??? ?newmessage.setContent(message.getContent(), message.getContentType()); ??? ? ? ?InternetAddress[] sendTo = new InternetAddress[TOS.length]; // 加載收件人地址 ??? ? ? ?for (int i = 0; i < TOS.length; i++) { ? ? ? ? ? ? ? ?sendTo[i] = new InternetAddress(TOS[i]); ? ? ? ? ? ?} ??? ? ? newmessage.addRecipients(Message.RecipientType.TO,sendTo); ??? ? ? newmessage.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(FROM));//設置在發(fā)送給收信人之前給自己(發(fā)送方)抄送一份,不然會被當成垃圾郵件,報554錯 ??? ? ? Transport smtp = session.getTransport("smtp"); ? ? ? ?smtp.connect(HOST, USER, PWD); ? ? ? ?smtp.sendMessage(newmessage, newmessage.getAllRecipients()); ? ? ? ?smtp.close(); ? ? } ? ? /** ? ? ?* @param path 需要添加附件的文件路徑 ? ? ?* @throws EmailException? ? ? ?*/ ? ? public void addFile(String...path) throws EmailException { ? ? ?? ?if(path==null||path.length==0)throw new EmailException("附件路徑不能為空");?? ? ? ? ?? ?this.AFFIX = path; ? ? } ? ? public void setTo(String...to) throws EmailException { ? ? ?? ?if(toString().length()>0) { ? ? ?? ??? ?for(String t : to) { ? ? ?? ??? ??? ?boolean emailFormat = emailFormat(t); ? ? ?? ??? ??? ?if(!emailFormat) { ? ? ?? ??? ??? ??? ?throw new EmailException(t+"郵箱格式不正確");?? ? ? ? ?? ??? ??? ?} ? ? ?? ??? ?} ? ? ?? ??? ?TOS = to; ? ? ?? ?}else { ? ? ?? ??? ?throw new EmailException("收件人不能為空");?? ? ? ? ?? ?} ? ? } ? ? ? ? /** ? ? ?** 驗證輸入的郵箱格式是否符合 ? ? ?* @param email ? ? ?* @return 是否合法 ? ? ?*/ ? ? private ?boolean emailFormat(String email) ? ? { ? ? ? ? boolean tag = true; ? ? ? ? final String pattern1 = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$"; ? ? ? ? final Pattern pattern = Pattern.compile(pattern1); ? ? ? ? final Matcher mat = pattern.matcher(email); ? ? ? ? if (!mat.find()) { ? ? ? ? ? ? tag = false; ? ? ? ? } ? ? ? ? return tag; ? ? } ? ? /** ? ? ?* @param SUBJECT 標題 ? ? ?* @param context 文本信息 ? ? ?* @throws EmailException ? ? ?* @throws MessagingException? ? ? ?* @throws AddressException? ? ? ?* @throws GeneralSecurityException? ? ? ?* @throws UnsupportedEncodingException? ? ? ?*/ ? ? public ?void send(String SUBJECT,String context) throws EmailException, AddressException, MessagingException, GeneralSecurityException, UnsupportedEncodingException { ? ? ?? ? ? ? ?? ?if(SUBJECT==null||SUBJECT.length()==0)SUBJECT=UUID.randomUUID().toString(); // ? ??? ?this.SUBJECT = SUBJECT;//標題 ? ? ?? ?if(TOS.length==0)throw new EmailException("收件人不能為空"); ?? ? ? ?Session session = Session.getInstance(props);//用props對象構建一個session //?? ? ? ?session.setDebug(true);//關閉控制臺輸出 ?? ? ? ?MimeMessage message = new MimeMessage(session);//用session為參數(shù)定義消息對象 ?? ? ? ?message.setFrom(new InternetAddress(FROM));// 加載發(fā)件人地址 ?? ? ? ?InternetAddress[] sendTo = new InternetAddress[TOS.length]; // 加載收件人地址 ?? ? ? ?for (int i = 0; i < TOS.length; i++) { ? ? ? ? ? ? ? sendTo[i] = new InternetAddress(TOS[i]); ? ? ? ? ? } ?? ? ? ?message.addRecipients(Message.RecipientType.TO,sendTo); ?? ? ? ?message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(FROM));//設置在發(fā)送給收信人之前給自己(發(fā)送方)抄送一份,不然會被當成垃圾郵件,報554錯 ?? ? ? ?message.setSubject(SUBJECT);//加載標題 ?? ? ? ?Multipart multipart = new MimeMultipart();//向multipart對象中添加郵件的各個部分內(nèi)容,包括文本內(nèi)容和附件 ?? ? ? ?BodyPart contentPart = new MimeBodyPart();//設置郵件的文本內(nèi)容 ? ? ? ? contentPart.setText(context); ? ? ? ? multipart.addBodyPart(contentPart); ? ? ? ? if(AFFIX!=null&&AFFIX.length>0){//添加附件 ? ? ? ? ?? ?for(int i = 0 ; i <AFFIX.length ; i++) { ? ? ? ? ?? ??? ?File file = new File(AFFIX[i]); ? ? ? ? ?? ??? ?if(file.exists()) { ? ? ? ? ?? ??? ??? ? BodyPart messageBodyPart = new MimeBodyPart(); ? ? ? ? ?? ??? ??? ? FileDataSource source = new FileDataSource(file); // ? ? ? ? ? ? ? ? ? ? String AFFIXNAME = file.getName(); // ? ? ? ? ? ? ? ? ? ? System.out.println(AFFIXNAME); ? ? ? ? ? ? ? ? ? ? ?messageBodyPart.setDataHandler(new DataHandler(source));//添加附件的內(nèi)容 ? ? ? ? ? ? ? ? ? ? ?messageBodyPart.setFileName(MimeUtility.encodeWord(file.getName(), "GBK", null)); ? ? ? ? ? ? ? ? ? ? ?multipart.addBodyPart(messageBodyPart); ? ? ? ? ?? ??? ?}else { ? ? ? ? ?? ??? ??? ?throw new EmailException("文件"+AFFIX[i]+"不存在"); ? ? ? ? ?? ??? ?} ? ? ? ? ?? ?} ? ? ? ? ? ?? ? ? ? ? } ? ? ? ? message.setContent(multipart);//將multipart對象放到message中 ? ? ? ? message.saveChanges(); //保存郵件 ? ? ? ? Transport transport = session.getTransport();//發(fā)送郵件 ? ? ? ? transport.connect(HOST, USER, PWD);//連接服務器的郵箱 ? ? ? ? transport.sendMessage(message, message.getAllRecipients());//把郵件發(fā)送出去 ? ? ? ? transport.close();//關閉連接 ? ? } }
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