java mail

import java.util.Date;
import java.util.Iterator;
import java.util.List;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.mail.javamail.MimeMessagePreparator;

public class MialService {
	private JavaMailSender mailSender;

	private String fromMail;

	public JavaMailSender getMailSender() {
		return mailSender;
	}

	public void setMailSender(JavaMailSender mailSender) {
		this.mailSender = mailSender;
	}

	public String getFromMail() {
		return fromMail;
	}

	public void setFromMail(String fromMail) {
		this.fromMail = fromMail;
	}

	public void sendMail(String toMailAddr, String subject, String content) {
		SimpleMailMessage smm = new SimpleMailMessage();
		smm.setTo(toMailAddr);
		smm.setFrom(fromMail);
		smm.setSubject(subject);
		smm.setText(content);
		mailSender.send(smm);
	}

	/** */
	/**
	 * 发送带附件的邮件
	 * 
	 * 邮件发送器
	 * @throws Exception
	 */
	public void sendMimeMessage(final String toMailAddr, final String subject,
			final String contents, final List files) throws Exception {

		MimeMessagePreparator mimeMail = new MimeMessagePreparator() {
			public void prepare(MimeMessage mimeMessage)
					throws MessagingException {
				mimeMessage.setRecipient(Message.RecipientType.TO,
						new InternetAddress(toMailAddr));
				mimeMessage.setFrom(new InternetAddress(fromMail));
				mimeMessage.setSubject(subject, "gb2312");

				Multipart mp = new MimeMultipart();

				// 向Multipart添加正文

				MimeBodyPart content = new MimeBodyPart();
				content.setText(contents);

				// 向MimeMessage添加（Multipart代表正文）
				mp.addBodyPart(content);

				if (files != null && files.size() > 0) {
					// 向Multipart添加附件
					Iterator it = files.iterator();
					sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
					while (it.hasNext()) {
						MimeBodyPart attachFile = new MimeBodyPart();
						String filename = it.next().toString();
						FileDataSource fds = new FileDataSource(filename);
						attachFile.setDataHandler(new DataHandler(fds));
						attachFile.setFileName("=?GBK?B?"
								+ enc.encode(fds.getName().getBytes()) + "?=");
						mp.addBodyPart(attachFile);
					}

					files.clear();
				}
				// 向Multipart添加MimeMessage
				mimeMessage.setContent(mp);
				mimeMessage.setSentDate(new Date());
			}
		};

		// 发送带附件的邮件
		mailSender.send(mimeMail);
	}

	/** */
	/**
	 * 发送带附件的html邮件
	 * 
	 * @param 邮件发送器
	 * @throws Exception
	 */
	public void sendMimehtmlandmultiple(final String toMailAddr,final String mailName,
                                    final  String subject,final  String contents) throws Exception {

		MimeMessage mime = mailSender.createMimeMessage();
		MimeMessageHelper helper;
		try {
			helper = new MimeMessageHelper(mime, true, "utf-8");
			helper.setFrom(fromMail);
			//helper.setTo(new InternetAddress(toMailAddr,MimeUtility.encodeWord(mailName,"utf-8","Q")));
			helper.setTo(toMailAddr);
			helper.setSubject(subject);
			// 需要将附件显示在html中
			// 在标签中用cid:xx 标记，使用helper.addInline()方法添加
			helper.setText(contents, true);
		} catch (MessagingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		mailSender.send(mime);
	}

 
}