JAVA代码发送邮件示例和解释(二)

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package test;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
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;

public class SendMailTest1 {
    public static void main(String[] args) {
        SendMailTest1 send = new SendMailTest1();
        send.sendEmail();
    }

    /**
     * 
     * @Title: sendTextMail
     * @Description: TODO
     * @param mailInfo
     * @return
     */
    // MailModel mailInfo
    public boolean sendEmail() {
        // 从配置文件中读取配置信息
        Properties pro = new Properties();
        pro.put("mail.smtp.host", "mail.chinamobilesz.com");
        pro.put("mail.smtp.auth", "true");
        // Properties pro = mailConfig.getProperties();
        // 根据邮件的回话属性构造一个发送邮件的Session
        MailAuthenticator authenticator = new MailAuthenticator("账号",
                "密码");
        Session session = Session.getInstance(pro, authenticator);
        // 监控邮件命令
        try {
            // 根据Session 构建邮件信息
            Message message = new MimeMessage(session);
            // 创建邮件发送者地址
            Address from = new InternetAddress("xtyw");
            // 设置邮件消息的发送者
            message.setFrom(from);
            // 验证邮箱地址
            List<String> auth = new ArrayList<String>();
            auth.add("1160569243@qq.com");
            String toAddress = validateEmail(auth);
            if (!toAddress.isEmpty()) {
                // 创建邮件的接收者地址
                Address[] to = InternetAddress.parse(toAddress);
                // 设置邮件接收人地址
                message.setRecipients(Message.RecipientType.TO, to);
                message.setSubject("12345");
                // 邮件容器
                MimeMultipart mimeMultiPart = new MimeMultipart();
                // 设置HTML
                BodyPart bodyPart = new MimeBodyPart();
                String htmlText = "123456";
                bodyPart.setContent(htmlText, "text/html;charset=utf-8");
                mimeMultiPart.addBodyPart(bodyPart);
                // 添加附件
                List<String> fileList = new ArrayList<String>();
                fileList.add("C:\\Users\\tuzongxun123\\Desktop\\自主服务API.docx");

                if (fileList != null) {
                    BodyPart attchPart = null;
                    for (int i = 0; i < fileList.size(); i++) {
                        if (!fileList.get(i).isEmpty()) {
                            attchPart = new MimeBodyPart();
                            // 附件数据源
                            DataSource source = new FileDataSource(
                                    fileList.get(i));
                            // 将附件数据源添加到邮件体
                            attchPart.setDataHandler(new DataHandler(source));
                            // 设置附件名称为原文件名
                            attchPart.setFileName(MimeUtility.encodeText(source
                                    .getName()));
                            mimeMultiPart.addBodyPart(attchPart);
                        }
                    }
                }
                message.setContent(mimeMultiPart);
                message.setSentDate(new Date());
                // 保存邮件
                message.saveChanges();
                // 发送邮件
                Transport.send(message);
                return true;
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("邮件发送失败");
        }
        return false;
    }

    /**
     * @title validateEmail
     * @Description 验证邮箱格式
     * @param emailList
     * @return string
     */
    public String validateEmail(List<String> emailList) {
        StringBuffer buffer = new StringBuffer();
        if (!emailList.isEmpty()) {
            String regEx = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
            Pattern p = Pattern.compile(regEx);
            for (int i = 0; i < emailList.size(); i++) {
                Matcher match = p.matcher(emailList.get(i));
                if (match.matches()) {
                    buffer.append(emailList.get(i));
                    if (i < emailList.size() - 1) {
                        buffer.append(",");
                    }
                }
            }
        }
        return buffer.toString();
    }
}

JAVA代码发送邮件示例和解释(二)

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原文地址：http://blog.csdn.net/tuzongxun/article/details/51593157