java mail例子

import java.util.*;import javax.mail.*;import javax.mail.internet.*;import javax.activation.*;public class TestMail {private MimeMessage mimeMsg; //MIME邮件对象private Session session; //邮件会话对象private Properties props; //系统属性private boolean needAuth = false; //smtp是否需要认证private String username = ""; //smtp认证用户名和密码private String password = "";private Multipart mp; //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象/*** */// public TestMail (){// setSmtpHost("s");//如果没有指定邮件服务器,就从getConfig类中获取// createMimeMessage();// }public TestMail(String smtp){ setSmtpHost(smtp); createMimeMessage();}/*** @param hostName String*/public void setSmtpHost(String hostName) {if(props == null)props = System.getProperties(); //获得系统属性对象props.put("mail.smtp.host",hostName); //设置SMTP主机}/*** @return boolean*/public boolean createMimeMessage(){ try{ session = Session.getDefaultInstance(props,null); //获得邮件会话对象 }catch(Exception e){ e.printStackTrace(); return false; } try{ mimeMsg = new MimeMessage(session); //创建MIME邮件对象 mp = new MimeMultipart(); return true; }catch(Exception e){ e.printStackTrace(); return false; }}/*** @param need boolean*/public void setNeedAuth(boolean need) {if(props == null)props = System.getProperties();if(need){ props.put("mail.smtp.auth","true");}else{ props.put("mail.smtp.auth","false");}}/*** @param name String* @param pass String*/public void setNamePass(String name,String pass) {username = name;password = pass;}/*** @param mailSubject String* @return boolean*/public boolean setSubject(String mailSubject) {try{ mimeMsg.setSubject(mailSubject);return true;}catch(Exception e) { e.printStackTrace(); return false;}}/*** @param mailBody String*/public boolean setBody(String mailBody) {try{BodyPart bp = new MimeBodyPart();bp.setContent("<meta http-equiv=Content-Type content=text/html; charset=gb2312>"+mailBody,"text/html;charset=GB2312");mp.addBodyPart(bp);return true;}catch(Exception e){System.err.println("设置邮件正文时发生错误！"+e);return false;}}/*** @param name String* @param pass String*/public boolean addFileAffix(String filename) {try{ BodyPart bp = new MimeBodyPart(); FileDataSource fileds = new FileDataSource(filename); bp.setDataHandler(new DataHandler(fileds)); bp.setFileName(fileds.getName()); mp.addBodyPart(bp); return true;}catch(Exception e){ System.err.println("增加邮件附件："+filename+"发生错误！"+e); return false;}}/*** @param name String* @param pass String*/public boolean setFrom(String from) {try{mimeMsg.setFrom(new InternetAddress(from)); //设置发信人return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean setTo(String to){if(to == null)return false;try{mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));return true;}catch(Exception e){ return false; }}public boolean setTo(InternetAddress[] to){if(to == null)return false;try{mimeMsg.setRecipients(Message.RecipientType.TO,to);return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean setCopyTo(String copyto){if(copyto == null)return false;try{mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean sendout(){try{ mimeMsg.setContent(mp); mimeMsg.saveChanges(); Session mailSession = Session.getInstance(props,null); Transport transport = mailSession.getTransport("smtp"); transport.connect((String)props.get("mail.smtp.host"),username,password); transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO)); transport.close(); return true;}catch(Exception e){ e.printStackTrace(); return false;}}/*** Just do it as this*/public static void main(String[] args) {String mailbody = "<meta http-equiv=Content-Type content=text/html; charset=gb2312>"+"<div align=center><a href="http://www.csdn.net" mce_href="http://www.csdn.net"> csdn </a></div>";InternetAddress[] to = new InternetAddress[3];try {to[0]=new InternetAddress("[e-mail]");to[1]=new InternetAddress("[e-mail]");to[2]=new InternetAddress("sdfsdfsd");} catch (AddressException e) {e.printStackTrace();}TestMail themail = new TestMail("smtp.163.com");themail.setNeedAuth(true);if(themail.setSubject("标题") == false) return;if(themail.setBody(mailbody) == false) return;if(themail.setTo(to) == false) return;if(themail.setFrom("[e-mail]") == false) return;//if(themail.addFileAffix("c://boot.ini") == false) return;themail.setNamePass("admin","6560052");if(themail.sendout() == false) return; }}