email 解析 ,发送 邮件
来源:https://blog.csdn.net/xyang81/article/details/7675160 详见此人其它mail 篇
参考2:http://lib.csdn.net/article/java/65792
依赖:"
<!-- 邮件 https://mvnrepository.com/artifact/javax.mail/mail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>-b01</version> </dependency>
1. POP3只可以接受,不可以修改状态, 如该邮件已读,下次不读
package org.yangxin.study.jm; 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; /** * 使用POP3协议接收邮件 */ public class POP3ReceiveMailTest { public static void main(String[] args) throws Exception { receive(); } /** * 接收邮件 */ public static void receive() throws Exception { // 准备连接服务器的会话信息 Properties props = new Properties(); props.setProperty("mail.store.protocol", "pop3"); // 协议 props.setProperty("); // 端口 props.setProperty("mail.pop3.host", "pop3.163.com"); // pop3服务器 // 创建Session实例对象 Session session = Session.getInstance(props); Store store = session.getStore("pop3"); store.connect("xyang0917@163.com", "123456abc"); // 获得收件箱 Folder folder = store.getFolder("INBOX"); /* Folder.READ_ONLY:只读权限 * Folder.READ_WRITE:可读可写(可以修改邮件的状态) */ folder.open(Folder.READ_WRITE); //打开收件箱 // 由于POP3协议无法获知邮件的状态,所以getUnreadMessageCount得到的是收件箱的邮件总数 System.out.println("未读邮件数: " + folder.getUnreadMessageCount()); // 由于POP3协议无法获知邮件的状态,所以下面得到的结果始终都是为0 System.out.println("删除邮件数: " + folder.getDeletedMessageCount()); System.out.println("新邮件: " + folder.getNewMessageCount()); // 获得收件箱中的邮件总数 System.out.println("邮件总数: " + folder.getMessageCount()); // 得到收件箱中的所有邮件,并解析 Message[] messages = folder.getMessages(); parseMessage(messages); //释放资源 folder.close(true); store.close(); } /** * 解析邮件 * @param messages 要解析的邮件列表 */ public static void parseMessage(Message ...messages) throws MessagingException, IOException { ) throw new MessagingException("未找到要解析的邮件!"); // 解析所有邮件 , count = messages.length; i < count; i++) { MimeMessage msg = (MimeMessage) messages[i]; System.out.println("------------------解析第" + msg.getMessageNumber() + "封邮件-------------------- "); System.out.println("主题: " + getSubject(msg)); System.out.println("发件人: " + getFrom(msg)); System.out.println("收件人:" + getReceiveAddress(msg, null)); System.out.println("发送时间:" + getSentDate(msg, null)); System.out.println("是否已读:" + isSeen(msg)); System.out.println("邮件优先级:" + getPriority(msg)); System.out.println("是否需要回执:" + isReplySign(msg)); System. + "kb"); boolean isContainerAttachment = isContainAttachment(msg); System.out.println("是否包含附件:" + isContainerAttachment); if (isContainerAttachment) { saveAttachment(msg, "c:\\mailtmp\\"+msg.getSubject() + "_"); //保存附件 } StringBuffer content = ); getMailTextContent(msg, content); System. ? content.substring(,) + "..." : content)); System.out.println("------------------第" + msg.getMessageNumber() + "封邮件解析结束-------------------- "); System.out.println(); } } /** * 获得邮件主题 * @param msg 邮件内容 * @return 解码后的邮件主题 */ public static String getSubject(MimeMessage msg) throws UnsupportedEncodingException, MessagingException { return MimeUtility.decodeText(msg.getSubject()); } /** * 获得邮件发件人 * @param msg 邮件内容 * @return 姓名 <Email地址> * @throws MessagingException * @throws UnsupportedEncodingException */ public static String getFrom(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { String from = ""; Address[] froms = msg.getFrom(); ) throw new MessagingException("没有发件人!"); InternetAddress address = (InternetAddress) froms[]; String person = address.getPersonal(); if (person != null) { person = MimeUtility.decodeText(person) + " "; } else { person = ""; } from = person + "<" + address.getAddress() + ">"; return from; } /** * 根据收件人类型,获取邮件收件人、抄送和密送地址。如果收件人类型为空,则获得所有的收件人 * <p>Message.RecipientType.TO 收件人</p> * <p>Message.RecipientType.CC 抄送</p> * <p>Message.RecipientType.BCC 密送</p> * @param msg 邮件内容 * @param type 收件人类型 * @return 收件人1 <邮件地址1>, 收件人2 <邮件地址2>, ... * @throws MessagingException */ public static 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); } ) throw new MessagingException("没有收件人!"); for (Address address : addresss) { InternetAddress internetAddress = (InternetAddress)address; receiveAddress.append(internetAddress.toUnicodeString()).append(","); } receiveAddress.deleteCharAt(receiveAddress.length()-); //删除最后一个逗号 return receiveAddress.toString(); } /** * 获得邮件发送时间 * @param msg 邮件内容 * @return yyyy年mm月dd日 星期X HH:mm * @throws MessagingException */ public static 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); } /** * 判断邮件中是否包含附件 * @param msg 邮件内容 * @return 邮件中存在附件返回true,不存在返回false * @throws MessagingException * @throws IOException */ public static boolean isContainAttachment(Part part) throws MessagingException, IOException { boolean flag = false; if (part.isMimeType("multipart/*")) { MimeMultipart multipart = (MimeMultipart) part.getContent(); int partCount = multipart.getCount(); ; 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(); ) { flag = true; } ) { flag = true; } } if (flag) break; } } else if (part.isMimeType("message/rfc822")) { flag = isContainAttachment((Part)part.getContent()); } return flag; } /** * 判断邮件是否已读 * @param msg 邮件内容 * @return 如果邮件已读返回true,否则返回false * @throws MessagingException */ public static boolean isSeen(MimeMessage msg) throws MessagingException { return msg.getFlags().contains(Flags.Flag.SEEN); } /** * 判断邮件是否需要阅读回执 * @param msg 邮件内容 * @return 需要回执返回true,否则返回false * @throws MessagingException */ public static boolean isReplySign(MimeMessage msg) throws MessagingException { boolean replySign = false; String[] headers = msg.getHeader("Disposition-Notification-To"); if (headers != null) replySign = true; return replySign; } /** * 获得邮件的优先级 * @param msg 邮件内容 * @return 1(High):紧急 3:普通(Normal) 5:低(Low) * @throws MessagingException */ public static String getPriority(MimeMessage msg) throws MessagingException { String priority = "普通"; String[] headers = msg.getHeader("X-Priority"); if (headers != null) { String headerPriority = headers[]; || headerPriority.indexOf() priority = "紧急"; || headerPriority.indexOf() priority = "低"; else priority = "普通"; } return priority; } /** * 获得邮件文本内容 * @param part 邮件体 * @param content 存储邮件文本内容的字符串 * @throws MessagingException * @throws IOException */ public static void getMailTextContent(Part part, StringBuffer content) throws MessagingException, IOException { //如果是文本类型的附件,通过getContent方法可以取到文本内容,但这不是我们需要的结果,所以在这里要做判断 boolean isContainTextAttach = part.getContentType().indexOf(; 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(); ; i < partCount; i++) { BodyPart bodyPart = multipart.getBodyPart(i); getMailTextContent(bodyPart,content); } } } /** * 保存附件 * @param part 邮件中多个组合体中的其中一个组合体 * @param destDir 附件保存目录 * @throws UnsupportedEncodingException * @throws MessagingException * @throws FileNotFoundException * @throws IOException */ public static void saveAttachment(Part part, String destDir) throws UnsupportedEncodingException, MessagingException, FileNotFoundException, IOException { if (part.isMimeType("multipart/*")) { Multipart multipart = (Multipart) part.getContent(); //复杂体邮件 //复杂体邮件包含多个邮件体 int partCount = multipart.getCount(); ; i < partCount; i++) { //获得复杂体邮件中其中一个邮件体 BodyPart bodyPart = multipart.getBodyPart(i); //某一个邮件体也有可能是由多个邮件体组成的复杂体 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(); || contentType.indexOf() { saveFile(bodyPart.getInputStream(), destDir, decodeText(bodyPart.getFileName())); } } } } else if (part.isMimeType("message/rfc822")) { saveAttachment((Part) part.getContent(),destDir); } } /** * 读取输入流中的数据保存至指定目录 * @param is 输入流 * @param fileName 文件名 * @param destDir 文件存储目录 * @throws FileNotFoundException * @throws IOException */ private static 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))); ; ) { bos.write(len); bos.flush(); } bos.close(); bis.close(); } /** * 文本解码 * @param encodeText 解码MimeUtility.encodeText(String text)方法编码后的文本 * @return 解码后的文本 * @throws UnsupportedEncodingException */ public static String decodeText(String encodeText) throws UnsupportedEncodingException { if (encodeText == null || "".equals(encodeText)) { return ""; } else { return MimeUtility.decodeText(encodeText); } } }
2.imap ---POP3的替代品,可以修改邮件状态 ,推荐使用
package com.icil.utils; 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.Flags.Flag; 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.imap.IMAPMessage; /** * <b>使用IMAP协议接收邮件</b><br/> * <p>POP3和IMAP协议的区别:</p> * <b>POP3</b>协议允许电子邮件客户端下载服务器上的邮件,但是在客户端的操作(如移动邮件、标记已读等),不会反馈到服务器上,<br/> * 比如通过客户端收取了邮箱中的3封邮件并移动到其它文件夹,邮箱服务器上的这些邮件是没有同时被移动的。<br/> * <p><b>IMAP</b>协议提供webmail与电子邮件客户端之间的双向通信,客户端的操作都会同步反应到服务器上,对邮件进行的操作,服务 * 上的邮件也会做相应的动作。比如在客户端收取了邮箱中的3封邮件,并将其中一封标记为已读,将另外两封标记为删除,这些操作会 * 即时反馈到服务器上。</p> * <p>两种协议相比,IMAP 整体上为用户带来更为便捷和可靠的体验。POP3更易丢失邮件或多次下载相同的邮件,但IMAP通过邮件客户端 * 与webmail之间的双向同步功能很好地避免了这些问题。</p> */ public class MailUtis002 { public static void main(String[] args) throws Exception { receive(); } public static void receive() throws Exception { // 准备连接服务器的会话信息 Properties props = new Properties(); props.setProperty("mail.store.protocol", "imap"); props.setProperty("mail.imap.host", "imap.163.com"); props.setProperty("); // 创建Session实例对象 Session session = Session.getInstance(props); // 创建IMAP协议的Store对象 Store store = session.getStore("imap"); // 连接邮件服务器 store.connect("); // 获得收件箱 Folder folder = store.getFolder("INBOX"); // 以读写模式打开收件箱 folder.open(Folder.READ_WRITE); // 获得收件箱的邮件列表 Message[] messages = folder.getMessages(); // 打印不同状态的邮件数量 System.out.println("收件箱中共" + messages.length + "封邮件!"); System.out.println("收件箱中共" + folder.getUnreadMessageCount() + "封未读邮件!"); System.out.println("收件箱中共" + folder.getNewMessageCount() + "封新邮件!"); System.out.println("收件箱中共" + folder.getDeletedMessageCount() + "封已删除邮件!"); System.out.println("------------------------开始解析邮件----------------------------------"); // 解析邮件 for (Message message : messages) { IMAPMessage msg = (IMAPMessage) message; String subject = MimeUtility.decodeText(msg.getSubject()); // System.out.println("[" + subject + "]未读,是否需要阅读此邮件(yes/no)?"); // BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); // String answer = reader.readLine(); // if ("yes".equalsIgnoreCase(answer)) { parseMessage(msg); // 解析邮件 // 第二个参数如果设置为true,则将修改反馈给服务器。false则不反馈给服务器 // msg.setFlag(Flag.SEEN, true); //设置已读标志 // } } // 关闭资源 folder.close(false); store.close(); } /** ***********************************************************/ /** * 解析邮件 * @param messages 要解析的邮件列表 */ public static void parseMessage(Message ...messages) throws MessagingException, IOException { ) throw new MessagingException("未找到要解析的邮件!"); // 解析所有邮件 , count = messages.length; i < count; i++) { MimeMessage msg = (MimeMessage) messages[i]; if(!isSeen(msg)){ System.out.println("------------------解析第" + msg.getMessageNumber() + "封邮件-------------------- "); System.out.println("主题: " + getSubject(msg)); System.out.println("发件人: " + getFrom(msg)); System.out.println("收件人:" + getReceiveAddress(msg, null)); System.out.println("发送时间:" + getSentDate(msg, null)); System.out.println("是否已读:" + isSeen(msg)); System.out.println("邮件优先级:" + getPriority(msg)); System.out.println("是否需要回执:" + isReplySign(msg)); System. + "kb"); boolean isContainerAttachment = isContainAttachment(msg); System.out.println("是否包含附件:" + isContainerAttachment); if (isContainerAttachment) { saveAttachment(msg, "c:\\mailtmp\\"+msg.getSubject() + "_"); //保存附件 } StringBuffer content = ); getMailTextContent(msg, content); System. ? content.substring(,) + "..." : content)); System.out.println("------------------第" + msg.getMessageNumber() + "封邮件解析结束-------------------- "); System.out.println(); msg.setFlag(Flag.SEEN, true); } } } /** * 获得邮件主题 * @param msg 邮件内容 * @return 解码后的邮件主题 */ public static String getSubject(MimeMessage msg) throws UnsupportedEncodingException, MessagingException { String subject = msg.getSubject(); if(subject==null){ subject=""; } return MimeUtility.decodeText(subject); } /** * 获得邮件发件人 * @param msg 邮件内容 * @return 姓名 <Email地址> * @throws MessagingException * @throws UnsupportedEncodingException */ public static String getFrom(MimeMessage msg) throws MessagingException, UnsupportedEncodingException { String from = ""; Address[] froms = msg.getFrom(); ) throw new MessagingException("没有发件人!"); InternetAddress address = (InternetAddress) froms[]; String person = address.getPersonal(); if (person != null) { person = MimeUtility.decodeText(person) + " "; } else { person = ""; } from = person + "<" + address.getAddress() + ">"; return from; } /** * 根据收件人类型,获取邮件收件人、抄送和密送地址。如果收件人类型为空,则获得所有的收件人 * <p>Message.RecipientType.TO 收件人</p> * <p>Message.RecipientType.CC 抄送</p> * <p>Message.RecipientType.BCC 密送</p> * @param msg 邮件内容 * @param type 收件人类型 * @return 收件人1 <邮件地址1>, 收件人2 <邮件地址2>, ... * @throws MessagingException */ public static 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); } ) throw new MessagingException("没有收件人!"); for (Address address : addresss) { InternetAddress internetAddress = (InternetAddress)address; receiveAddress.append(internetAddress.toUnicodeString()).append(","); } receiveAddress.deleteCharAt(receiveAddress.length()-); //删除最后一个逗号 return receiveAddress.toString(); } /** * 获得邮件发送时间 * @param msg 邮件内容 * @return yyyy年mm月dd日 星期X HH:mm * @throws MessagingException */ public static 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); } /** * 判断邮件中是否包含附件 * @param msg 邮件内容 * @return 邮件中存在附件返回true,不存在返回false * @throws MessagingException * @throws IOException */ public static boolean isContainAttachment(Part part) throws MessagingException, IOException { boolean flag = false; if (part.isMimeType("multipart/*")) { MimeMultipart multipart = (MimeMultipart) part.getContent(); int partCount = multipart.getCount(); ; 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(); ) { flag = true; } ) { flag = true; } } if (flag) break; } } else if (part.isMimeType("message/rfc822")) { flag = isContainAttachment((Part)part.getContent()); } return flag; } /** * 判断邮件是否已读 * @param msg 邮件内容 * @return 如果邮件已读返回true,否则返回false * @throws MessagingException */ public static boolean isSeen(MimeMessage msg) throws MessagingException { return msg.getFlags().contains(Flags.Flag.SEEN); } /** * 判断邮件是否需要阅读回执 * @param msg 邮件内容 * @return 需要回执返回true,否则返回false * @throws MessagingException */ public static boolean isReplySign(MimeMessage msg) throws MessagingException { boolean replySign = false; String[] headers = msg.getHeader("Disposition-Notification-To"); if (headers != null) replySign = true; return replySign; } /** * 获得邮件的优先级 * @param msg 邮件内容 * @return 1(High):紧急 3:普通(Normal) 5:低(Low) * @throws MessagingException */ public static String getPriority(MimeMessage msg) throws MessagingException { String priority = "普通"; String[] headers = msg.getHeader("X-Priority"); if (headers != null) { String headerPriority = headers[]; || headerPriority.indexOf() priority = "紧急"; || headerPriority.indexOf() priority = "低"; else priority = "普通"; } return priority; } /** * 获得邮件文本内容 * @param part 邮件体 * @param content 存储邮件文本内容的字符串 * @throws MessagingException * @throws IOException */ public static void getMailTextContent(Part part, StringBuffer content) throws MessagingException, IOException { //如果是文本类型的附件,通过getContent方法可以取到文本内容,但这不是我们需要的结果,所以在这里要做判断 boolean isContainTextAttach = part.getContentType().indexOf(; 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(); ; i < partCount; i++) { BodyPart bodyPart = multipart.getBodyPart(i); getMailTextContent(bodyPart,content); } } } /** * 保存附件 * @param part 邮件中多个组合体中的其中一个组合体 * @param destDir 附件保存目录 * @throws UnsupportedEncodingException * @throws MessagingException * @throws FileNotFoundException * @throws IOException */ public static void saveAttachment(Part part, String destDir) throws UnsupportedEncodingException, MessagingException, FileNotFoundException, IOException { if (part.isMimeType("multipart/*")) { Multipart multipart = (Multipart) part.getContent(); //复杂体邮件 //复杂体邮件包含多个邮件体 int partCount = multipart.getCount(); ; i < partCount; i++) { //获得复杂体邮件中其中一个邮件体 BodyPart bodyPart = multipart.getBodyPart(i); //某一个邮件体也有可能是由多个邮件体组成的复杂体 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(); || contentType.indexOf() { saveFile(bodyPart.getInputStream(), destDir, decodeText(bodyPart.getFileName())); } } } } else if (part.isMimeType("message/rfc822")) { saveAttachment((Part) part.getContent(),destDir); } } /** * 读取输入流中的数据保存至指定目录 * @param is 输入流 * @param fileName 文件名 * @param destDir 文件存储目录 * @throws FileNotFoundException * @throws IOException */ private static 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))); ; ) { bos.write(len); bos.flush(); } bos.close(); bis.close(); } /** * 文本解码 * @param encodeText 解码MimeUtility.encodeText(String text)方法编码后的文本 * @return 解码后的文本 * @throws UnsupportedEncodingException */ public static String decodeText(String encodeText) throws UnsupportedEncodingException { if (encodeText == null || "".equals(encodeText)) { return ""; } else { return MimeUtility.decodeText(encodeText); } } }
3.发送邮件
package com.icil.utils; import java.util.Date; import java.util.Enumeration; import java.util.Properties; import java.util.Vector; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.Multipart; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; 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; /** * <p> * @Description: 邮件发送工具类 * </p> * * @author sea * @Date 2018-08-03 */ public class MailSenderUtils { String to = ""; // 收件人邮箱地址 String from = ""; // 发件人邮箱地址 String host = ""; // smtp主机 String username = ""; // 用户名 String password = ""; // 密码 String filename = ""; // 附件文件名 String subject = ""; // 邮件主题 String content = ""; // 邮件正文 Vector file = new Vector();// 附件文件集合 public MailSenderUtils() { super(); } public MailSenderUtils(String to, String from, String smtpServer, String username, String password, String subject, String content) { this.to = to; this.from = from; this.host = smtpServer; this.username = username; this.password = password; this.subject = subject; this.content = content; } public void setHost(String host) { this.host = host; } public void setPassWord(String pwd) { this.password = pwd; } public void setUserName(String usn) { this.username = usn; } public void setTo(String to) { this.to = to; } public void setFrom(String from) { this.from = from; } public void setSubject(String subject) { this.subject = subject; } public void setContent(String content) { this.content = content; } /** * @param strText * @return * @Description: 把主题转为中文 utf-8 * @Date 2017年6月22日 上午10:37:07 */ public String transferChinese(String strText) { try { strText = MimeUtility.encodeText(new String(strText.getBytes(), "utf-8"), "utf-8", "B"); } catch (Exception e) { e.printStackTrace(); } return strText; } public void attachfile(String fname) { file.addElement(fname); } /** * @return * @Description: 发送邮件,发送成功返回true 失败false * @author sea * @Date 2018年8月3日 */ public boolean sendMail() { // 构造mail session Properties props = new Properties(); props.put("mail.smtp.host", host); props.put("mail.smtp.auth", "true"); props.put( Session session = Session.getDefaultInstance(props, new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); } }); try { // 构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); msg.setFrom(new InternetAddress(from)); msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to)); subject = transferChinese(subject); msg.setSubject(subject); // 构造Multipart Multipart mp = new MimeMultipart(); // 向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setContent(content, "text/html;charset=utf-8"); // 向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); // 向Multipart添加附件 Enumeration efile = file.elements(); while (efile.hasMoreElements()) { MimeBodyPart mbpFile = new MimeBodyPart(); filename = efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); String filename = new String(fds.getName().getBytes(), "ISO-8859-1"); mbpFile.setFileName(filename); // 向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); // 向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); msg.saveChanges(); // 发送邮件 Transport transport = session.getTransport("smtp"); transport.connect(host, username, password); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch (Exception mex) { mex.printStackTrace(); return false; } return true; } public static boolean sendMail(String to, String subject, String content) { MailSenderUtils sendmail = new MailSenderUtils(); sendmail.setHost("smtp.163.com"); sendmail.setUserName("lshan523@163.com"); sendmail.setPassWord("lshan523"); sendmail.setTo(to); sendmail.setFrom("lshan523@163.com"); sendmail.setSubject(subject); sendmail.setContent(content); // 添加附件 // sendmail.attachfile("d:\\CoolFormat3.4.rar"); System.out.println(sendmail.sendMail()); return true; } /** * sea 20180802 * * @param args * 参考设置:https://www.west.cn/faq/list.asp?Unid=852 */ public static void main(String[] args) { MailSenderUtils sendmail = new MailSenderUtils(); // sendmail.setHost("smtp.exmail.qq.com"); sendmail.setHost("smtp.163.com"); sendmail.setUserName("lshan523@163.com"); sendmail.setPassWord("dsadas"); sendmail.setTo("sealiu@icil.net"); sendmail.setFrom("lshan523@163.com"); sendmail.setSubject("张小米"); sendmail.setContent("Test 呵呵"); // 添加附件 // sendmail.attachfile("d:\\CoolFormat3.4.rar"); System.out.println(sendmail.sendMail()); } }
发邮件已整理:
package com.icil.esolution.utils; import java.io.IOException; import java.util.Date; import java.util.Enumeration; import java.util.Properties; import java.util.Vector; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.Multipart; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; 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 org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * ******************************************** * * @ClassName: MailUtils * * @Description: * * @author Sea * * @date 24 Aug 2018 8:34:09 PM * *************************************************** */ @SuppressWarnings("all") public class MailUtils { private static final Logger logger = LoggerFactory.getLogger(MailUtils.class); private Vector file = new Vector();// 附件文件集合 private final String MAIL_CONFIG_PATH = "/resources/mailconfig.properties"; public static boolean sendMail(String subject, String content) { boolean mails = new MailUtils().sendMails(null, null, subject, content, null); return mails; } public static boolean sendMail(String to, String subject, String content) { boolean mails = new MailUtils().sendMails(to, null, subject, content, null); return mails; } public static boolean sendMail(String to, String from, String subject, String content) { boolean mails = new MailUtils().sendMails(to, from, subject, content, null); return mails; } /** * @return * @Description: 发送邮件,发送成功返回true 失败false * @author sea * @Date 2018年8月3日 */ private boolean sendMails(String to1, String from1, String subject, String content, String filename) { Properties properties = getProperties(MAIL_CONFIG_PATH); String to = (String) properties.get("MAIL_SENDTO"); String from = (String) properties.get("MAIL_USERNAME"); String host = (String) properties.get("MAIL_SMTPSERVER"); String username = (String) properties.get("MAIL_USERNAME"); String password = (String) properties.get("MAIL_PASSWORD"); if (to1 != null) { to = to1; } if (from1 != null) { from = from1; } // 构造mail session Properties props = new Properties(); props.put("mail.smtp.host", host); props.put("mail.smtp.auth", "true"); props.put( Session session = Session.getDefaultInstance(props, new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); } }); try { // 构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); msg.setFrom(new InternetAddress(from)); msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to)); subject = transferChinese(subject); msg.setSubject(subject); // 构造Multipart Multipart mp = new MimeMultipart(); // 向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setContent(content, "text/html;charset=utf-8"); // 向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); // 向Multipart添加附件 Enumeration efile = file.elements(); while (efile.hasMoreElements()) { MimeBodyPart mbpFile = new MimeBodyPart(); filename = efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); filename = new String(fds.getName().getBytes(), "ISO-8859-1"); mbpFile.setFileName(filename); // 向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); // 向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); msg.saveChanges(); // 发送邮件 Transport transport = session.getTransport("smtp"); transport.connect(host, username, password); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch (Exception mex) { mex.printStackTrace(); return false; } return true; } public Properties getProperties(String path) { Properties properties = new Properties(); try { synchronized (properties) { properties.load(this.getClass().getResourceAsStream(path)); } } catch (IOException e) { return null; } return properties; } /** * @param strText * @return * @Description: 把主题转为中文 utf-8 * @Date 2017年6月22日 上午10:37:07 */ public String transferChinese(String strText) { try { strText = MimeUtility.encodeText(new String(strText.getBytes(), "utf-8"), "utf-8", "B"); } catch (Exception e) { e.printStackTrace(); } return strText; } public void attachfile(String fname) { file.addElement(fname); } /** * * @Description:test ok 2018-08-24 * * @author Sea * * @date 24 Aug 2018 8:34:09 PM */ public static void main(String[] args) { boolean mails = new MailUtils().sendMails(null, null, "hello", "I love you", null); System.out.println(mails); } }
不需要认证:
package com.icil.milestone.push.common.utils; import java.io.IOException; import java.util.Date; import java.util.Enumeration; import java.util.Properties; import java.util.Vector; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.Multipart; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; 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 org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * ******************************************** * * @ClassName: MailUtils * * @Description: * * @author Sea * * @date 24 Aug 2018 8:34:09 PM * *************************************************** */ @SuppressWarnings("all") public class MailUtils { private static final Logger logger = LoggerFactory.getLogger(MailUtils.class); private Vector file = new Vector();// 附件文件集合 private final String MAIL_CONFIG_PATH = "/resources/properties/mailConfig.properties"; public static boolean sendMail(String subject, String content) { boolean mails = new MailUtils().sendMails(null, null, subject, content, null); return mails; } public static boolean sendMail(String to, String subject, String content) { boolean mails = new MailUtils().sendMails(to, null, subject, content, null); return mails; } public static boolean sendMail(String to, String from, String subject, String content) { boolean mails = new MailUtils().sendMails(to, from, subject, content, null); return mails; } /** * @return * @Description: 发送邮件,发送成功返回true 失败false * @author sea * @Date 2018年8月3日 */ private boolean sendMails(String to1, String from1, String subject, String content, String filename) { Properties properties = getProperties(MAIL_CONFIG_PATH); String to = (String) properties.get("MAIL_SEND_TO"); String from = (String) properties.get("MAIL_FROM"); String host = (String) properties.get("MAIL_SMTPSERVER"); // String username = (String) properties.get("MAIL_USERNAME"); // String password = (String) properties.get("MAIL_PASSWORD"); String username = ""; String password =""; if (to1 != null) { to = to1; } if (from1 != null) { from = from1; } // 构造mail session Properties props = new Properties(); props.put("mail.smtp.host", host); // props.put("mail.smtp.auth", "true"); props.put("mail.smtp.auth","false"); // Session session = Session.getDefaultInstance(props, new Authenticator() { // public PasswordAuthentication getPasswordAuthentication() { // return new PasswordAuthentication(username, password); // } // }); Session session=Session.getDefaultInstance(props); try { // 构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); msg.setFrom(new InternetAddress(from)); msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to)); // msg.addRecipients(Message.RecipientType.CC, address); msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)); subject = transferChinese(subject); msg.setSubject(subject); // 构造Multipart Multipart mp = new MimeMultipart(); // 向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setContent(content, "text/html;charset=utf-8"); // 向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); // 向Multipart添加附件 Enumeration efile = file.elements(); while (efile.hasMoreElements()) { MimeBodyPart mbpFile = new MimeBodyPart(); filename = efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); filename = new String(fds.getName().getBytes(), "ISO-8859-1"); mbpFile.setFileName(filename); // 向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); // 向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); msg.saveChanges(); // 发送邮件 Transport transport = session.getTransport("smtp"); transport.connect(host, username, password); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch (Exception mex) { mex.printStackTrace(); return false; } return true; } public Properties getProperties(String path) { Properties properties = new Properties(); try { synchronized (properties) { properties.load(this.getClass().getResourceAsStream(path)); } } catch (IOException e) { return null; } return properties; } /** * @param strText * @return * @Description: 把主题转为中文 utf-8 * @Date 2017年6月22日 上午10:37:07 */ public String transferChinese(String strText) { try { strText = MimeUtility.encodeText(new String(strText.getBytes(), "utf-8"), "utf-8", "B"); } catch (Exception e) { e.printStackTrace(); } return strText; } public void attachfile(String fname) { file.addElement(fname); } /** * * @Description:test ok 2018-08-24 * * @author Sea * * @date 24 Aug 2018 8:34:09 PM */ public static void main(String[] args) { boolean mails = ", "hello", "I love you icil", null); System.out.println(mails); } }
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