最近在研究java傳送郵件帶附件、格式、可以實現轉發、祕密轉發等操作的元件，下面把程式碼和大家共享下，本來想做資源共享的，但是下載就會消耗大家的積分，沒積分就沒得看了，想想還是算了，直接發出來了，個人知識一點點的研究，敬請大家指點 2010-12-14

 package njfc.com; import java.io.File; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.Date; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Address; import javax.mail.Authenticator; import javax.mail.MessagingException; 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; /** * 發件郵件 涉及到的jar包 activation.jar、javamail.jar * @author <a href="mailto:nanjifengchen@163.com">LanXJ</a> */ public class MailSendTestMain { /** * 發件方式列舉 * @author lanxj */ public enum SendTypeEnum{ TO(0,"發件方式 - 普通傳送"),CS(1,"發件方式 - 抄送"),MCS(2,"發件方式 - 密件抄送"); private int type; private String description; SendTypeEnum(int type,String desc){ this.type=type; this.description=desc; } public int intValue(){ return this.type; } public String getDescription(){ return this.description; } } /** 郵件相關資訊 - SMTP 伺服器 */ private String smtpHost = null; /** 郵件相關資訊 - 郵件使用者名稱 */ private String username = null; /** 郵件相關資訊 - 密碼 */ private String password = null; /** 郵件相關資訊 - 發件人郵件地址 */ private String fromAddress = null; /** 郵件相關資訊 - 郵件主題 */ private String subject = ""; /** 郵件相關資訊 - 郵件傳送地址 */ private Address[] toAddress = null; /** 郵件相關資訊 - 郵件抄送地址 */ private Address[] csAddress = null; /** 郵件相關資訊 - 郵件密件抄送地址 */ private Address[] mcsAddress = null; /** 郵件相關資訊 - 郵件正文(複合結構) */ private MimeMultipart context = null; public MailSendTestMain() { context = new MimeMultipart(); } /** * 設定 SMTP 伺服器 * @param strSMTPHost 郵件伺服器名稱或 IP * @param strUser 郵件使用者名稱 * @param strPassword 密碼 */ public void setSMTP(String strSMTPHost, String strUser, String strPassword) { this.smtpHost = strSMTPHost; this.username = strUser; this.password = strPassword; } /** * 設定郵件傳送地址 * @param strFromAddress 郵件傳送地址 */ public void setFromAddress(String strFromAddress) { this.fromAddress = strFromAddress; } /** * 設定郵件目的地址 * @param strAddress 郵件目的地址列表, 不同的地址可用;號分隔 * @param iAddressType 郵件傳送方式 (SendTypeEnum.TO 0, SendTypeEnum.CS 1, SendTypeEnum.MCS 2) 列舉已在本類定義 * @throws AddressException */ public void setAddress(String strAddress, SendTypeEnum iAddressType) throws AddressException { if (iAddressType==SendTypeEnum.TO) { ArrayList<String> alAddress = splitStr(strAddress, ';'); toAddress = new Address[alAddress.size()]; for (int i = 0; i < alAddress.size(); i++) { toAddress[i] = new InternetAddress( (String) alAddress.get(i)); } }else if (iAddressType==SendTypeEnum.CS) { ArrayList<String> alAddress = splitStr(strAddress, ';'); csAddress = new Address[alAddress.size()]; for (int i = 0; i < alAddress.size(); i++) { csAddress[i] = new InternetAddress( (String) alAddress.get(i)); } }else if (iAddressType==SendTypeEnum.MCS) { ArrayList<String> alAddress = splitStr(strAddress, ';'); mcsAddress = new Address[alAddress.size()]; for (int i = 0; i < alAddress.size(); i++) { mcsAddress[i] = new InternetAddress( (String) alAddress.get(i)); } } } /** * 設定郵件主題 * @param strSubject 郵件主題 */ public void setSubject(String strSubject) { this.subject = strSubject; } /** * 設定郵件文字正文 * @param strTextBody 郵件文字正文 * @throws MessagingException */ public void setContext(String strTextBody) throws MessagingException { MimeBodyPart mimebodypart = new MimeBodyPart(); mimebodypart.setText(strTextBody, "GBK"); context.addBodyPart(mimebodypart); } /** * 設定郵件超文字正文 * @param strHtmlBody 郵件超文字正文 * @throws MessagingException */ public void setHtmlContext(String strHtmlBody) throws MessagingException { MimeBodyPart mimebodypart = new MimeBodyPart(); mimebodypart.setDataHandler(new DataHandler(strHtmlBody, "text/html;charset=GBK")); context.addBodyPart(mimebodypart); } /** * 設定郵件正文外部連結 URL, 信體中將包含連結所指向的內容 * @param strURLAttachment 郵件正文外部連結 URL * @throws MessagingException * @throws MalformedURLException */ public void setURLAttachment(String strURLAttachment) throws MessagingException, MalformedURLException { MimeBodyPart mimebodypart = new MimeBodyPart(); mimebodypart.setDataHandler(new DataHandler(new URL(strURLAttachment))); context.addBodyPart(mimebodypart); } /** * 設定郵件附件 * @param strFileAttachment 檔案的全路徑 * @throws MessagingException * @throws UnsupportedEncodingException */ public void setFileAttachment(String strFileAttachment) throws MessagingException, UnsupportedEncodingException { File path = new File(strFileAttachment); if (!path.exists() || path.isDirectory()) { return; } String strFileName = path.getName(); MimeBodyPart mimebodypart = new MimeBodyPart(); mimebodypart.setDataHandler(new DataHandler(new FileDataSource( strFileAttachment))); // mimebodypart.setFileName(strFileName); mimebodypart.setFileName(MimeUtility.encodeText(strFileName)); context.addBodyPart(mimebodypart); } /** * 主方法：郵件傳送(一次傳送多個地址, 優點速度快, 但是有非法郵件地址時將中斷髮送操作) * 前提條件{ * setSMTP();【必選】 * setFromAddress();【必選】 * setAddress();【必選】 * setSubject();【必選】 * set*Context();【必選】 * set*Attachment();【可選】 * } * @throws MessagingException */ public void sendBatch() throws MessagingException { Properties properties = new Properties(); properties.put("mail.smtp.host", this.smtpHost); properties.put("mail.smtp.auth", "true");//必須 Session session = Session.getInstance(properties, new Authenticator(){ protected javax.mail.PasswordAuthentication getPasswordAuthentication(){//這個很重要，當今mail伺服器大多都是通過認證才能發信的 return new javax.mail.PasswordAuthentication(MailSendTestMain.this.username, MailSendTestMain.this.password); } }); MimeMessage mimemessage = new MimeMessage(session); mimemessage.setFrom(new InternetAddress(this.fromAddress)); if (toAddress != null) { mimemessage.addRecipients(javax.mail.Message.RecipientType.TO, this.toAddress); } if (csAddress != null) { mimemessage.addRecipients(javax.mail.Message.RecipientType.CC, this.csAddress); } if (mcsAddress != null) { mimemessage.addRecipients(javax.mail.Message.RecipientType.BCC, this.mcsAddress); } mimemessage.setSubject(this.subject); mimemessage.setContent(this.context); mimemessage.setSentDate(new Date()); /*傳送方式一 Transport transport = session.getTransport("smtp"); transport.connect(this.smtpHost, this.username, this.password); transport.send(mimemessage); */ //傳送方式二 Transport.send(mimemessage); System.out.println("已向下列郵箱傳送了郵件"); showAddress(toAddress,csAddress,mcsAddress); } /** * 顯示所有的收件人地址資訊 * @param addresses */ private static void showAddress(Address[] ... addresses){ if (addresses != null) { for (int i = 0; i < addresses.length; i++) { if(addresses[i]!=null){ for (int j = 0; j < addresses[i].length; j++) { System.out.println(addresses[i][j]); } } } } } /** * 將字串分割成字串集合 * @param str 字串 * @param sp 分隔符 * @return */ private static ArrayList<String> splitStr(String str,char sp){ ArrayList<String> retu=new ArrayList<String>(); String []res=str.split(""+sp); for (String s : res) { retu.add(s); } return retu; } public static void main(String[] args) { try { MailSendTestMain mail=new MailSendTestMain(); mail.setFromAddress("nanjifengchen@163.com"); mail.setSMTP("smtp.163.com","nanjifengchen@163.com","***"); //SMTP、郵箱使用者名稱、郵箱密碼，用於登入郵箱伺服器以完成郵件傳送 mail.setAddress("nanjifengchen@163.com;songhaikang@163.com",SendTypeEnum.TO); //直接傳送 mail.setAddress("lanxj@sh-stt.com", SendTypeEnum.CS);//轉發 mail.setAddress("694626525@qq.com", SendTypeEnum.MCS);//祕密轉發 mail.setSubject("郵件傳送測試"); // mail.setContext("如有打擾，請見諒，謝謝！"); mail.setHtmlContext("<font color=red>如有打擾</font>，<font color=green>請見諒</font>，謝謝！"); try{ mail.setFileAttachment("D://temp//tnsnames_sh.ora");//加附件 mail.setURLAttachment("http://static.tieba.baidu.com/tb/img/2010120801.jpg"); //網路資源 mail.setURLAttachment("http://tieba.baidu.com"); //網址 }catch (Exception e) { System.out.println("附件傳送異常"); } mail.sendBatch();//傳送 } catch (AddressException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } } }