Javamail 简单邮件发送

/** * */ import java.util.*; import java.io.*; import javax.mail.*; import javax.mail.internet.*; import javax.activation.*; /** * @author liuwen * */ public class SendMail { String to = "";//收件人 String from = "";//发件人 String cc = "";//抄送人 String bcc = "";//暗送人 String smtpServer = "";//smtp服务器 String username = "" ; String password = "" ; 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 private String cfg_file = "cmail.properties"; private Properties p = new Properties(); public SendMail() { } public SendMail(String to,String from,String smtpServer,String username,String password,String subject,String content) { this.to = to; this.from = from; this.smtpServer = smtpServer; this.username = username; this.password = password; this.subject = subject; this.content = content; } public void setSmtpServer(String smtpServer) { this.smtpServer = smtpServer; } public void setUserName(String usename) { this.username = usename; } public void setPassWord(String pwd) { this.password = pwd; } 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; } //把邮件主题转换为中文 public String transferChinese(String strText) { try { strText = MimeUtility.encodeText(new String(strText.getBytes(), "GB2312"), "GB2312", "B"); } catch(Exception e) { e.printStackTrace(); } return strText; } //增加附件 public void attachfile(String fname) { file.addElement(fname); } public void loadConfig() //throws Exception { InputStream in = null; try { in = new FileInputStream( cfg_file); this.getProperties().load( in); } catch (IOException e) { System.out.println(cfg_file+" was not found"); } finally{ try { if( null != in) in.close(); } catch (IOException e) { } } } public String getCfg_file() { return cfg_file; } public void setCfg_file(String cfg_file) { this.cfg_file = cfg_file; } public Properties getProperties() { return p; } public String getParameterValue( String entry) { return p.getProperty(entry); } public boolean send() { //构造mail session Properties props = System.getProperties(); props.put("mail.smtp.host",smtpServer); props.put("mail.smtp.auth","true"); Session session=Session.getDefaultInstance(props, new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username,password); } }); try { Transport transport = session.getTransport("smtp"); //构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); //设置发送人地址 msg.setFrom(new InternetAddress(from)); String toaddr[] = to.split(","); InternetAddress[] address = new InternetAddress[toaddr.length]; for(int i = 0; i < toaddr.length; i++){ address[i] = new InternetAddress(toaddr[i].trim()); } //设置收件人地址 msg.setRecipients(Message.RecipientType.TO,address); //添加抄送人 InternetAddress[] ccaddress = null; if (cc != null && !cc.equals("")){ String ccaddr[] = cc.split(","); ccaddress = new InternetAddress[ccaddr.length]; for(int i = 0; i < ccaddr.length; i++){ ccaddress[i] = new InternetAddress(ccaddr[i].trim()); } if (ccaddr != null) msg.addRecipients(Message.RecipientType.CC,ccaddress); } //添加暗送人 InternetAddress[] bccaddress = null; if (bcc != null && !bcc.equals("")){ String bccaddr[] = bcc.split(","); bccaddress = new InternetAddress[bccaddr.length]; for(int i = 0; i < bccaddr.length; i++){ bccaddress[i] = new InternetAddress(bccaddr[i].trim()); } if (bccaddr != null) msg.addRecipients(Message.RecipientType.BCC,bccaddress); } subject = transferChinese(subject); //设置邮件标题 msg.setSubject(subject); //构造Multipart Multipart mp = new MimeMultipart(); //向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setText(content); //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)); mbpFile.setFileName(fds.getName()); //向MimeMessage添加（Multipart代表附件） mp.addBodyPart(mbpFile); System.out.println(filename); } file.removeAllElements(); //向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); //发送邮件 Transport.send(msg); } catch (MessagingException mex) { mex.printStackTrace(); Exception ex = null; if ((ex=mex.getNextException())!=null) { ex.printStackTrace(); } return false; } return true; } public static void main(String[] args) { SendMail sendmail = new SendMail(); if (args != null && args.length > 0 ) { sendmail.setCfg_file(args[0].trim()); } try { sendmail.loadConfig(); //设置发送主机的服务器地址 sendmail.setSmtpServer(sendmail.getParameterValue("smtpServer")); //.setSmtpServer("smtp.m800400.com"); //此处设置登陆的用户名 sendmail.setUserName(sendmail.getParameterValue("usename")); //.setUserName("ticket"); //此处设置登陆的密码 sendmail.setPassWord(sendmail.getParameterValue("pwd")); //.setPassWord("123456"); //发送人 sendmail.setFrom(sendmail.getParameterValue("from")); //.setFrom("ticket"); //发送的地址 sendmail.setTo(sendmail.getParameterValue("to")); //.setTo("huangyuanbin@m800400.com"); //抄送的地址 sendmail.setCc(sendmail.getParameterValue("cc")); //.setTo("huangyuanbin@m800400.com"); //暗送的地址 sendmail.setBcc(sendmail.getParameterValue("bcc")); //.setTo("huangyuanbin@m800400.com"); //设置标题 sendmail.setSubject(sendmail.getParameterValue("subject")); //.setSubject("你好，这是测试！"); //设置内容 sendmail.setContent(sendmail.getParameterValue("content")); //.setContent("你好这是一个带多附件的测试！"); String [] fname = sendmail.getParameterValue("fname").trim().split(","); for (int i = 0 ; i< fname.length ; i ++){ //粘贴附件 sendmail.attachfile(fname[i].trim()); } //粘贴附件 //sendmail.attachfile(sendmail.getParameterValue("fname")); //.attachfile("SendMail.java"); } catch (Exception e) { e.printStackTrace(); System.out.println("Cmail Config file not found!"); } //发送 if(!sendmail.send()){ System.out.println("Send Email fail !"); System.exit(1); } } public String getCc() { return cc; } public void setCc(String cc) { this.cc = cc; } public String getBcc() { return bcc; } public void setBcc(String bcc) { this.bcc = bcc; } }