send emails

SendMailsUtils.java

package com.macrosky.dnd.controller.smails;

import java.util.Properties;
import java.util.ResourceBundle;

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.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

import org.apache.log4j.Logger;

/**
 * Created By WangLichao On 2016年6月14日.
 */
public class SendMailsUtils {

	private static Logger logger = Logger.getLogger(SendMailsUtils.class);
	private static final ResourceBundle BUNDLE = ResourceBundle
			.getBundle("config");
	private static final String fromEmail;
	private static final String mailPasswd;
	private static final String toEmails;
	private static final String copyToEmails;
	private static final String mailHost;

	static {
		mailHost = BUNDLE.getString("mail_host");
		fromEmail = BUNDLE.getString("from_email");
		mailPasswd = BUNDLE.getString("mail_passwd");
		toEmails = BUNDLE.getString("to_emails");
		copyToEmails = BUNDLE.getString("copyTo_emails");
	}

	public static boolean doSend(String to, String copyto, String subject,
			String content) {
		try {
			Properties props = System.getProperties(); // 系统属性
			props.put("mail.smtp.auth", "true");
			props.put("mail.smtp.host", mailHost);
			props.put("username", fromEmail);
			props.put("password", mailPasswd);
			Session session = Session.getDefaultInstance(props, null);// 邮件会话对象
			session.setDebug(true);
			MimeMessage mimeMsg = new MimeMessage(session);// MIME邮件对象
			Multipart mp = new MimeMultipart();// Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象

			// 设置发信人
			mimeMsg.setFrom(new InternetAddress(fromEmail));
			// 设置接收人
			to = "".equals(to) ? toEmails : to;
			mimeMsg.setRecipients(Message.RecipientType.TO,
					InternetAddress.parse(to));
			// 设置抄送人
			copyto = "".equals(copyto) ? copyToEmails : copyto;
			if (!"".equals(copyto)) {
				mimeMsg.setRecipients(Message.RecipientType.CC,
						InternetAddress.parse(copyto));
			}
			// 设置主题
			mimeMsg.setSubject(subject);
			// 设置正文
			BodyPart bp = new MimeBodyPart();
			bp.setContent(content, "text/html;charset=utf-8");
			mp.addBodyPart(bp);
			mimeMsg.setContent(mp);
			mimeMsg.saveChanges();
			// 发送邮件
			if (props.get("mail.smtp.auth").equals("true")) {
				Transport transport = session.getTransport("smtp");
				transport.connect((String) props.get("mail.smtp.host"),
						(String) props.get("username"),
						(String) props.get("password"));
				if (mimeMsg.getRecipients(Message.RecipientType.TO) != null) {
					transport.sendMessage(mimeMsg,
							mimeMsg.getRecipients(Message.RecipientType.TO));
				}
				if (mimeMsg.getRecipients(Message.RecipientType.CC) != null) {
					transport.sendMessage(mimeMsg,
							mimeMsg.getRecipients(Message.RecipientType.CC));
				}
				transport.close();
				logger.info("send success!");
			} else {
				Transport.send(mimeMsg);
			}
			logger.info("邮件发送成功!");
		} catch (MessagingException e) {
			e.printStackTrace();
		}
		return true;
	}

	// public static void main(String[] args) {
	// doSend("", "", "汉字", "汉字12ee");
	// }
}