javamail 发送邮件的实例代码分享

package com.util.mail;
import java.util.Properties;
/**
 * 发送邮件需要使用的基本信息
 */
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;
    //登录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.mailServerHost);
        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[] attachFileNames) {
        this.attachFileNames = attachFileNames;
    }
    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 content) {
        this.content = content;
    }
}

package com.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.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
/**
 * 简单邮件(不带附件)发送器
 */
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) {
        //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.getDefaultInstance(pro, authenticator);
        try {
            //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());
            // 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;
        } catch (AddressException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        }
        return false;
    }
    /**
     * 以Html格式发送邮件
     * @param mailInfo 待发送的邮件的信息
     */
    public boolean sendHtmlMail(MailSenderInfo mailInfo) {
        //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.getDefaultInstance(pro, authenticator);
        try {
            //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());
            // MimeMultipart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mainPart对象设置为邮件内容
             mailMessage.setContent(mainPart);
             // 发送邮件
             Transport.send(mailMessage);
             return true;
        } catch (AddressException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        }
        return false;
    }
}

package com.util.mail;
import javax.mail.*;
/**
 * 身份认证
 */
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;
    }
    @Override
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(userName, password);
    }
}

package com.util.mail;
/**
 * 发送邮件
 */
public class Mail {
    /**
     * @param args
     */
    public static void main(String[] args) {
        //这个类主要是设置邮件
        MailSenderInfo mailInfo = new MailSenderInfo();
        mailInfo.setMailServerHost("smtp.126.com");
        mailInfo.setMailServerPort("25");
        mailInfo.setValidate(true);
        mailInfo.setUserName("test@126.com");
        mailInfo.setPassword("test");
        mailInfo.setFromAddress("test@126.com");
        mailInfo.setToAddress("test@qq.com");
        mailInfo.setSubject("设置邮箱标题 如http://www.guihua.org 中国桂花网");
        mailInfo.setContent("设置邮箱内容 如http://www.guihua.org 中国桂花网 是中国最大桂花网站==");
        //这个类主要来发送邮件
        SimpleMailSender sms = new SimpleMailSender();
        sms.sendTextMail(mailInfo);
        sms.sendHtmlMail(mailInfo);
    }
}