利用javamail 发送邮件
package com.util.mail;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
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;
/**
* 发送邮件
*
* @author Admin
*
*/
public class SendMail {
/**
* MiMe 邮件对象
*/
private MimeMessage mimeMsg;
/**
* 保持会话的Session
*/
private Session session;
/**
* 保存系统属性
*/
private Properties props;
/**
* 是否需要验证
*/
private boolean needAuth;
/**
* Multipart 对象，邮件内容、标题、附件等添加完成后生成MimeMessage 对象
*/
private Multipart mp;
/**
* 用户名
*/
private String username = "";
/**
* 密码
*/
private String password = "";
// public SendMail() {
//
// setSmtpHost(getConfig.mailHost);// 如果没有指定邮件服务器,就从getConfig类中获取
//
// createMimeMessage();
//
// }
public SendMail(String smtp) {
setSmtpHost(smtp);
createMimeMessage();
}
/**
*
* @param hostName
* String
*/
public void setSmtpHost(String hostName) { // hostName=smtp.msn.com
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
}
/**
* mail.smtp.host 发信服务器地址
*/
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;
}
}
/**
* 是否需要验证
*
* @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;
}
/**
* 设置邮件的主题
*
* @param mailSubject
* String
*
* @return boolean
*/
public boolean setSubject(String mailSubject) {
System.out.println("设置邮件主题！");
try {
mimeMsg.setSubject(mailSubject);
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return true;
}
/**
*
* @param mailBody
* String
*/
public boolean setBody(String mailBody) {
try {
BodyPart bp = new MimeBodyPart();
bp.setContent("" + 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
*
* 发信人的地址
*/
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
*
*
* 收件人的地址
*/
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) {
//邮件的主题为字符串
String mailbody = "" + "dear!";
SendMail themail = new SendMail("smtp.126.com"); //发送方服务器的地址
themail.setNeedAuth(true);
if (themail.setSubject("标题") == false){
return;
}
if (themail.setBody(mailbody) == false){
return;
}
if (themail.setTo("接受邮件地址,如: [email protected]") == false){
return;
}
if (themail.setFrom("发送邮件地址，如：[email protected]") == false){
return;
}
if (themail.addFileAffix("c:\\boot.ini") == false){
return;
}
themail.setNamePass("发送邮件名，和上面对应应该为:2010,注意不要添加:@126.com", "密码");
if (themail.sendout() == false)
return;
}
}
注意要导入javamail 所需的必要jar包