转帖一个代码:/*
在java版经常看到有人问如何用javamail发送邮件?如何接收邮件?如何访问多个文件夹等。问题零散,而历史的回复早已经淹没在问题的海洋之中。本人之前所做过一个java项目,其中包含有WebMail功能,当初为用java实现而对javamail摸索了一段时间,总算有点收获。看到论坛中的经常有此方面的问题,因此把我的一些经验帖出来,希望对大家有些帮助。此篇仅介绍用javamail实现发送邮件功能,其中涉及smtp认证,邮件附件发送,及HTML内容邮件等。
其它有关多邮箱的实现,接收POP3邮件及IMAP等内容,将在后续文章中介绍。如下程序需要:javamail,JAF包,j2ee.jar包含了上述两个包,建议大家安装J2SDKEE或直接拷贝j2ee.jar,将其添加到jbuilder的library中,或系统ClassPath中*/package com.me.util.mail;/**
* @author Zhangkun [email protected]
* @version 1.0
*/import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Date;
import javax.activation.*;
import java.io.*;
import com.me.util.*;public class sendMail { 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 sendMail() {
//setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
setSmtpHost("smtp.263.net");
createMimeMessage();
} public sendMail(String smtp){
setSmtpHost(smtp);
createMimeMessage();
} /**
* @param hostName String
*/
public void setSmtpHost(String hostName) {
System.out.println("设置系统属性:mail.smtp.host = "+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{
System.out.println("准备获取邮件会话对象!");
session = Session.getDefaultInstance(props,null); //获得邮件会话对象
}
catch(Exception e){
System.err.println("获取邮件会话对象时发生错误!"+e);
return false;
} System.out.println("准备创建MIME邮件对象!");
try{
mimeMsg = new MimeMessage(session); //创建MIME邮件对象
mp = new MimeMultipart(); return true;
}
catch(Exception e){
System.err.println("创建MIME邮件对象失败!"+e);
return false;
}
} /**
* @param need boolean
*/
public void setNeedAuth(boolean need) {
System.out.println("设置smtp身份认证:mail.smtp.auth = "+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) {
System.out.println("设置邮件主题!");
try{
mimeMsg.setSubject(mailSubject);
return true;
}
catch(Exception e) {
System.err.println("设置邮件主题发生错误!");
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) { System.out.println("增加邮件附件:"+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) {
System.out.println("设置发信人!");
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; } } /**
* @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();
System.out.println("正在发送邮件...."); 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.send(mimeMsg); System.out.println("发送邮件成功!");
transport.close(); return true;
}
catch(Exception e)
{
System.err.println("邮件发送失败!"+e);
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> csdn </a></div>"; //sendMail themail = new sendMail("smtp.msn.com");
sendMail themail = new sendMail("smtp.263.net");
themail.setNeedAuth(true); if(themail.setSubject("呵呵,匿名邮件!!!") == false) return;
if(themail.setBody(mailbody) == false) return;
if(themail.setTo("[email protected]") == false) return;
if(themail.setFrom("[email protected]") == false) return;
if(themail.addFileAffix("D:\\Testjava\\sendMail.zip") == false) return;
themail.setNamePass("[email protected]","password"); if(themail.sendout() == false) return;
}
}
在java版经常看到有人问如何用javamail发送邮件?如何接收邮件?如何访问多个文件夹等。问题零散,而历史的回复早已经淹没在问题的海洋之中。本人之前所做过一个java项目,其中包含有WebMail功能,当初为用java实现而对javamail摸索了一段时间,总算有点收获。看到论坛中的经常有此方面的问题,因此把我的一些经验帖出来,希望对大家有些帮助。此篇仅介绍用javamail实现发送邮件功能,其中涉及smtp认证,邮件附件发送,及HTML内容邮件等。
其它有关多邮箱的实现,接收POP3邮件及IMAP等内容,将在后续文章中介绍。如下程序需要:javamail,JAF包,j2ee.jar包含了上述两个包,建议大家安装J2SDKEE或直接拷贝j2ee.jar,将其添加到jbuilder的library中,或系统ClassPath中*/package com.me.util.mail;/**
* @author Zhangkun [email protected]
* @version 1.0
*/import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Date;
import javax.activation.*;
import java.io.*;
import com.me.util.*;public class sendMail { 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 sendMail() {
//setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
setSmtpHost("smtp.263.net");
createMimeMessage();
} public sendMail(String smtp){
setSmtpHost(smtp);
createMimeMessage();
} /**
* @param hostName String
*/
public void setSmtpHost(String hostName) {
System.out.println("设置系统属性:mail.smtp.host = "+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{
System.out.println("准备获取邮件会话对象!");
session = Session.getDefaultInstance(props,null); //获得邮件会话对象
}
catch(Exception e){
System.err.println("获取邮件会话对象时发生错误!"+e);
return false;
} System.out.println("准备创建MIME邮件对象!");
try{
mimeMsg = new MimeMessage(session); //创建MIME邮件对象
mp = new MimeMultipart(); return true;
}
catch(Exception e){
System.err.println("创建MIME邮件对象失败!"+e);
return false;
}
} /**
* @param need boolean
*/
public void setNeedAuth(boolean need) {
System.out.println("设置smtp身份认证:mail.smtp.auth = "+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) {
System.out.println("设置邮件主题!");
try{
mimeMsg.setSubject(mailSubject);
return true;
}
catch(Exception e) {
System.err.println("设置邮件主题发生错误!");
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) { System.out.println("增加邮件附件:"+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) {
System.out.println("设置发信人!");
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; } } /**
* @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();
System.out.println("正在发送邮件...."); 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.send(mimeMsg); System.out.println("发送邮件成功!");
transport.close(); return true;
}
catch(Exception e)
{
System.err.println("邮件发送失败!"+e);
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> csdn </a></div>"; //sendMail themail = new sendMail("smtp.msn.com");
sendMail themail = new sendMail("smtp.263.net");
themail.setNeedAuth(true); if(themail.setSubject("呵呵,匿名邮件!!!") == false) return;
if(themail.setBody(mailbody) == false) return;
if(themail.setTo("[email protected]") == false) return;
if(themail.setFrom("[email protected]") == false) return;
if(themail.addFileAffix("D:\\Testjava\\sendMail.zip") == false) return;
themail.setNamePass("[email protected]","password"); if(themail.sendout() == false) return;
}
}
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总有javax.mail.MessagingException:file unable create异常呢?
//fill message
messageBodyPart.setText("Hi");Multipart multipart = new MimeMultipart();multipart.addBodyPart(messageBodyPart);String addtion = request.getParameter("addtion");// Part two is attachment
DataSource source = new FileDataSource(addtion);messageBodyPart.setDataHandler(new DataHandler(source));messageBodyPart.setFileName(addtion);multipart.addBodyPart(messageBodyPart);// Put parts in message
newMessage.setContent(multipart);transport = sendMailSession.getTransport("smtp"); transport.send(newMessage);