JAVAMAIL实现发送邮件

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package ht.util;import java.io.File;import java.security.GeneralSecurityException;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.DataSource;import javax.activation.FileDataSource;import javax.mail.Authenticator;import javax.mail.BodyPart;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 com.sun.mail.util.MailSSLSocketFactory;public class SendEmailUtil {    /**     * 邮件发送      * @param sfrom 发件人电子邮箱（需开通POP3/SMTP服务）     * @param spwd 发件人电子邮箱密码（qq邮箱为 授权码）     * @param sto 收件人电子邮箱     * @param shost 发送邮件的主机   例如 smtp.qq.com、smtp.163.com     * @param subject 邮箱标题     * @param text 邮件内容     * @param files 附件数组  例如 c:/1.jpg     * @return 成功true 失败false     */    public static boolean sendEmail(final String sfrom, final String spwd, String sto, String shost, String subject,String text,String[] files) {        Properties properties = System.getProperties();        properties.setProperty("mail.smtp.host", shost);        properties.put("mail.smtp.auth", "true");        MailSSLSocketFactory sf = null;        try {            sf = new MailSSLSocketFactory();        } catch (GeneralSecurityException e) {            e.printStackTrace();        }        sf.setTrustAllHosts(true);        properties.put("mail.smtp.ssl.enable", "true");        properties.put("mail.smtp.ssl.socketFactory", sf);        Session session = Session.getDefaultInstance(properties, new Authenticator() {            public PasswordAuthentication getPasswordAuthentication() {                return new PasswordAuthentication(sfrom, spwd);            }        });        try {            MimeMessage message = new MimeMessage(session);            message.setFrom(new InternetAddress(sfrom));            message.addRecipient(Message.RecipientType.TO, new InternetAddress(sto));            message.setSubject(subject);            BodyPart messageBodyPart = new MimeBodyPart();            messageBodyPart.setText(text);            Multipart multipart = new MimeMultipart();            for (String file : files) {                File usFile = new File(file);                MimeBodyPart fileBody = new MimeBodyPart();                DataSource source = new FileDataSource(file);                fileBody.setDataHandler(new DataHandler(source));                sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();                fileBody.setFileName("=?GBK?B?" + enc.encode(usFile.getName().getBytes()) + "?=");                multipart.addBodyPart(fileBody);            }            message.setContent(multipart);            Transport.send(message);            return true;        } catch (MessagingException mex) {            mex.printStackTrace();            return false;        }    }}
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