JAVA SMTP例子

一、SimpleMailSender.java

package org.fh.util.mail;

import java.util.Date;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
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;

/**
 * 说明：邮件发送器
 * 作者：FH Admin
 * from：www.fhadmin.org
 */
public class SimpleMailSender {

    /**
     * 以文本格式发送邮件
     * @param mailInfo 待发送的邮件的信息
     */
    public boolean sendTextMail(MailSenderInfo mailInfo) throws Exception {
        // 判断是否需要身份认证
        MyAuthenticator authenticator = null;
        Properties pro = mailInfo.getProperties();
        if (mailInfo.isValidate()) {
            // 如果需要身份认证，则创建一个密码验证器
            authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
        }
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session sendMailSession = Session.getInstance(pro, authenticator);
        // 根据session创建一个邮件消息
        Message mailMessage = new MimeMessage(sendMailSession);
        // 创建邮件发送者地址
        Address from = new InternetAddress(mailInfo.getFromAddress());
        // 设置邮件消息的发送者
        mailMessage.setFrom(from);
        // 创建邮件的接收者地址，并设置到邮件消息中
        Address to = new InternetAddress(mailInfo.getToAddress());
        mailMessage.setRecipient(Message.RecipientType.TO, to);
        // 设置邮件消息的主题
        mailMessage.setSubject(mailInfo.getSubject());
        // 设置邮件消息发送的时间
        mailMessage.setSentDate(new Date());
        // 设置邮件消息的主要内容
        String mailContent = mailInfo.getContent();
        mailMessage.setText(mailContent);
        // 发送邮件
        Transport.send(mailMessage);
        return true;
    }

    /**
     * 以HTML格式发送邮件
     * 
     * @param mailInfo 待发送的邮件信息
     */
    public boolean sendHtmlMail(MailSenderInfo mailInfo) throws Exception {
        // 判断是否需要身份认证
        MyAuthenticator authenticator = null;
        Properties pro = mailInfo.getProperties();
        // 如果需要身份认证，则创建一个密码验证器
        if (mailInfo.isValidate()) {
            authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
        }
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session sendMailSession = Session.getInstance(pro, authenticator);
        // 根据session创建一个邮件消息
        Message mailMessage = new MimeMessage(sendMailSession);
        // 创建邮件发送者地址
        Address from = new InternetAddress(mailInfo.getFromAddress());
        // 设置邮件消息的发送者
        mailMessage.setFrom(from);
        // 创建邮件的接收者地址，并设置到邮件消息中
        Address to = new InternetAddress(mailInfo.getToAddress());
        // Message.RecipientType.TO属性表示接收者的类型为TO
        mailMessage.setRecipient(Message.RecipientType.TO, to);
        // 设置邮件消息的主题
        mailMessage.setSubject(mailInfo.getSubject());
        // 设置邮件消息发送的时间
        mailMessage.setSentDate(new Date());
        // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
        Multipart mainPart = new MimeMultipart();
        // 创建一个包含HTML内容的MimeBodyPart
        BodyPart html = new MimeBodyPart();
        // 设置HTML内容
        html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
        mainPart.addBodyPart(html);
        // 将MiniMultipart对象设置为邮件内容
        mailMessage.setContent(mainPart);
        // 发送邮件
        Transport.send(mailMessage);
        return true;
    }

    /**
     * @param SMTP    邮件服务器
     * @param PORT    端口
     * @param EMAIL   本邮箱账号
     * @param PAW     本邮箱密码
     * @param toEMAIL 对方箱账号
     * @param TITLE   标题
     * @param CONTENT 内容
     * @param TYPE    1：文本格式;2：HTML格式
     */
    public static void sendEmail(String SMTP, String PORT, String EMAIL, String PAW, String toEMAIL, String TITLE,
            String CONTENT, String TYPE) throws Exception {
        // 这个类主要是设置邮件
        MailSenderInfo mailInfo = new MailSenderInfo();
        mailInfo.setMailServerHost(SMTP);
        mailInfo.setMailServerPort(PORT);
        mailInfo.setValidate(true);
        mailInfo.setUserName(EMAIL);
        mailInfo.setPassword(PAW);
        mailInfo.setFromAddress(EMAIL);
        mailInfo.setToAddress(toEMAIL);
        mailInfo.setSubject(TITLE);
        mailInfo.setContent(CONTENT);
        // 这个类主要来发送邮件
        SimpleMailSender sms = new SimpleMailSender();
        if ("1".equals(TYPE)) {
            sms.sendTextMail(mailInfo);
        } else {
            sms.sendHtmlMail(mailInfo);
        }

    }

    public static void main(String[] args) {
        try {
            SimpleMailSender.sendEmail("smtp.qq.com","25","[email protected]","授权码","[email protected]","你好","<p>你好From JavaMail!</p>","2");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

二、MyAuthenticator.java

package org.fh.util.mail;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
 * 说明：发送邮件需要使用的基本信息 
 * 作者：FH Admin
 * from：www.fhadmin.org
 */
public class MyAuthenticator extends Authenticator{   
    String userName=null;   
    String password=null;   
        
    public MyAuthenticator(){   
    }   
    public MyAuthenticator(String username, String password) {    
        this.userName = username;    
        this.password = password;    
    }    
    protected PasswordAuthentication getPasswordAuthentication(){   
        return new PasswordAuthentication(userName, password);   
    }   
}   

三、MailSenderInfo.java

package org.fh.util.mail;


/**
 * 说明：发送邮件需要使用的基本信息 
 * 作者：FH Admin
 * from：www.fhadmin.org
 */
import java.util.Properties;    
public class MailSenderInfo {    
    // 发送邮件的服务器的IP和端口    
    private String mailServerHost;    
    private String mailServerPort = "25";    
    // 邮件发送者的地址    
    private String fromAddress;    
    // 邮件接收者的地址    
    private String toAddress;    
    // 登陆邮件发送服务器的用户名和密码    
    private String userName;    
    private String password;    
    // 是否需要身份验证    
    private boolean validate = false;    
    // 邮件主题    
    private String subject;    
    // 邮件的文本内容    
    private String content;    
    // 邮件附件的文件名    
    private String[] attachFileNames;      
    /**   
      * 获得邮件会话属性   
      */    
    public Properties getProperties(){    
      Properties p = new Properties();    
      p.put("mail.smtp.host", this.mailServerHost);    
      p.put("mail.smtp.port", this.mailServerPort);    
      p.put("mail.smtp.auth", validate ? "true" : "false");    
      return p;    
    }    
    public String getMailServerHost() {    
      return mailServerHost;    
    }    
    public void setMailServerHost(String mailServerHost) {    
      this.mailServerHost = mailServerHost;    
    }   
    public String getMailServerPort() {    
      return mailServerPort;    
    }   
    public void setMailServerPort(String mailServerPort) {    
      this.mailServerPort = mailServerPort;    
    }   
    public boolean isValidate() {    
      return validate;    
    }   
    public void setValidate(boolean validate) {    
      this.validate = validate;    
    }   
    public String[] getAttachFileNames() {    
      return attachFileNames;    
    }   
    public void setAttachFileNames(String[] fileNames) {    
      this.attachFileNames = fileNames;    
    }   
    public String getFromAddress() {    
      return fromAddress;    
    }    
    public void setFromAddress(String fromAddress) {    
      this.fromAddress = fromAddress;    
    }   
    public String getPassword() {    
      return password;    
    }   
    public void setPassword(String password) {    
      this.password = password;    
    }   
    public String getToAddress() {    
      return toAddress;    
    }    
    public void setToAddress(String toAddress) {    
      this.toAddress = toAddress;    
    }    
    public String getUserName() {    
      return userName;    
    }   
    public void setUserName(String userName) {    
      this.userName = userName;    
    }   
    public String getSubject() {    
      return subject;    
    }   
    public void setSubject(String subject) {    
      this.subject = subject;    
    }   
    public String getContent() {    
      return content;    
    }   
    public void setContent(String textContent) {    
      this.content = textContent;    
    }    
}