邮箱发送验证码

package com.wiiun.web.util;

import java.io.UnsupportedEncodingException;

import java.util.Date;

import java.util.Enumeration;

import java.util.Properties;

import java.util.Vector;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.Authenticator;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.PasswordAuthentication;

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;

import javax.mail.internet.MimeUtility;

import javax.servlet.http.HttpSession;

import com.wiiun.library.web.model.MailModel;

public class SendMail {

public String toChinese(String text) {

try {

text = MimeUtility.encodeText(new String(text.getBytes(), "GB2312"), "GB2312", "B");

} catch (Exception e) {

e.printStackTrace();

}

return text;

}

public boolean sendMail(MailModel mb) {

String host = mb.getHost();

final String username = mb.getUsername();

final String password = mb.getPassword();

String from = mb.getFrom();

String to = mb.getTo();

String subject = null;

try

{

subject = MimeUtility.encodeText(mb.getSubject(), "UTF-8", "B");

}

catch (UnsupportedEncodingException e)

{

// TODO Auto-generated catch block

e.printStackTrace();

}

String content = mb.getContent();

String fileName = mb.getFilename();

Vector file = mb.getFile();

Properties props = System.getProperties();

props.put("mail.smtp.host", host);                // 设置SMTP的主机

props.put("mail.smtp.auth", "true");            // 需要经过验证

Session session = Session.getInstance(props, new Authenticator() {

public PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(username, password);

}

});

try {

MimeMessage msg = new MimeMessage(session);

msg.setFrom(new InternetAddress(from));

InternetAddress[] address = {new InternetAddress(to)};

msg.setRecipients(Message.RecipientType.TO, address);

msg.setSubject(toChinese(subject));

Multipart mp = new MimeMultipart();

MimeBodyPart mbpContent = new MimeBodyPart();

mbpContent.setText(content);

mp.addBodyPart(mbpContent);

msg.setContent(mp);

msg.setSentDate(new Date());

Transport.send(msg);

} catch (MessagingException me) {

me.printStackTrace();

return false;

}

return true;

}

public static void main(String[] args)

{

MailModel mb = new MailModel();

mb.setHost("smtp.163.com");                        // 设置SMTP主机(163)，若用126，则设为：smtp.126.com

mb.setUsername("1111");                // 设置发件人邮箱的用户名

mb.setPassword("11");                        // 设置发件人邮箱的密码，需将*号改成正确的密码

mb.setFrom("11111");            // 设置发件人的邮箱

mb.setTo("1111");                // 设置收件人的邮箱

mb.setSubject("数字图书馆帐号--找回密码验证");                    // 设置邮件的主题

mb.setContent("正文");        // 设置邮件的正文

SendMail sm = new SendMail();

System.out.println("正在发送邮件...");

if(sm.sendMail(mb))                                // 发送邮件

System.out.println("发送成功!");

else

System.out.println("发送失败!");

}

}

实体类：

package com.wiiun.library.web.model;

import java.util.Vector;

public class MailModel

{

private String to;                                // 收件人

private String from;                            // 发件人

private String host;                            // SMTP主机

private String username;                        // 发件人的用户名

private String password;                        // 发件人的密码

private String subject;                            // 邮件主题

private String content;                            // 邮件正文

Vector file;                            // 多个附件

private String filename;                        // 附件的文件名

public String getTo() {

return to;

}

public void setTo(String to) {

this.to = to;

}

public String getFrom() {

return from;

}

public void setFrom(String from) {

this.from = from;

}

public String getHost() {

return host;

}

public void setHost(String host) {

this.host = host;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getSubject() {

return subject;

}

public void setSubject(String subject) {

this.subject = subject;

}

public String getContent() {

return content;

}

public void setContent(String content) {

this.content = content;

}

public String getFilename() {

return filename;

}

public void setFilename(String filename) {

this.filename = filename;

}

public Vector getFile(){

return file;

}

public void attachFile(String fileName) {

if(file == null)

file = new Vector();

file.addElement(fileName);

}

}