import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

/**
 * 
 * 发送邮件
 */
public class SMTPSender {

	private MimeMessage mimeMsg; // MIME邮件对象

	private Session session; // 邮件会话对象
	private Properties props; // 系统属性
	private boolean needAuth = false; // smtp是否需要认证

	private String username = ""; // smtp认证用户名和密码
	private String password = "";

	private Multipart mp; // 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

	public SMTPSender(String smtp) {
		setSmtpHost(smtp);
		createMimeMessage();
	}

	public void setHost(String smtp) {
		setSmtpHost(smtp);
		createMimeMessage();

	}

	/**
	 * 
	 * @param hostName
	 */
	public void setSmtpHost(String hostName) {
		System.out.println("设置系统属性：mail.smtp.host = " + hostName);
		if (props == null)
			props = System.getProperties(); // 获得系统属性对象

		props.put("mail.smtp.host", hostName); // 设置SMTP主机
	}

	/**
	 * 
	 * @return
	 */
	public boolean createMimeMessage() {
		try {
			System.out.println("准备获取邮件会话对象！");
			session = Session.getDefaultInstance(props, null); // 获得邮件会话对象
		} catch (Exception e) {
			System.err.println("获取邮件会话对象时发生错误！" + e);
			return false;
		}

		System.out.println("准备创建MIME邮件对象！");
		try {
			mimeMsg = new MimeMessage(session); // 创建MIME邮件对象
			mp = new MimeMultipart();

			return true;
		} catch (Exception e) {
			System.err.println("创建MIME邮件对象失败！" + e);
			return false;
		}
	}

	/**
	 * 
	 * @param need
	 */
	public void setNeedAuth(boolean need) {
		System.out.println("设置smtp身份认证：mail.smtp.auth = " + need);
		if (props == null)
			props = System.getProperties();

		if (need) {
			props.put("mail.smtp.auth", "true");
		} else {
			props.put("mail.smtp.auth", "false");
		}
	}

	/**
	 * 
	 * @param name
	 * @param pass
	 */
	public void setNamePass(String name, String pass) {
		username = name;
		password = pass;
	}

	/**
	 * 
	 * @param mailSubject
	 * @return
	 */
	public boolean setSubject(String mailSubject) {
		System.out.println("设置邮件主题！");
		try {
			mimeMsg.setSubject(mailSubject);
			return true;
		} catch (Exception e) {
			System.err.println("设置邮件主题发生错误！");
			return false;
		}
	}

	/**
	 * 
	 * @param mailBody
	 * @return
	 */
	public boolean setBody(String mailBody) {
		try {
			BodyPart bp = new MimeBodyPart();
			bp.setContent("" + mailBody, "text/html;charset=GB2312");
			mp.addBodyPart(bp);

			return true;
		} catch (Exception e) {
			System.err.println("设置邮件正文时发生错误！" + e);
			return false;
		}
	}

	/**
	 * 
	 * @param filename
	 * @return
	 */
	public boolean addFileAffix(String filename) {

		System.out.println("增加邮件附件：" + filename);
		try {
			BodyPart bp = new MimeBodyPart();
			FileDataSource fileds = new FileDataSource(filename);
			bp.setDataHandler(new DataHandler(fileds));
			bp.setFileName(fileds.getName());

			mp.addBodyPart(bp);

			return true;
		} catch (Exception e) {
			System.err.println("增加邮件附件：" + filename + "发生错误！" + e);
			return false;
		}
	}

	/**
	 * 
	 * @param from
	 * @return
	 */
	public boolean setFrom(String from) {
		System.out.println("设置发信人！");
		try {
			mimeMsg.setFrom(new InternetAddress(from)); // 设置发信人
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	/**
	 * 
	 * @param to
	 * @return
	 */
	public boolean setTo(String to) {
		if (to == null)
			return false;
		try {
			mimeMsg.setRecipients(Message.RecipientType.TO,
					InternetAddress.parse(to));
			return true;
		} catch (Exception e) {
			return false;
		}

	}

	/**
	 * 
	 * @param copyto
	 * @return
	 */
	public boolean setCopyTo(String copyto) {
		if (copyto == null)
			return false;
		try {
			mimeMsg.setRecipients(Message.RecipientType.CC,
					(Address[]) InternetAddress.parse(copyto));
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	/**
	 * 
	 * @return
	 */
	public boolean sendout() {
		try {
			mimeMsg.setContent(mp);
			mimeMsg.saveChanges();
			System.out.println("正在发送邮件....");

			Session mailSession = Session.getInstance(props, null);
			Transport transport = mailSession.getTransport("smtp");
			transport.connect((String) props.get("mail.smtp.host"), username,
					password);
			transport.sendMessage(mimeMsg,
					mimeMsg.getRecipients(Message.RecipientType.TO));
			// transport.send(mimeMsg);

			System.out.println("发送邮件成功！");
			transport.close();

			return true;
		} catch (Exception e) {
			System.err.println("邮件发送失败！" + e);
			return false;
		}
	}

	/**
	 * 
	 * @param toemail
	 * @param title
	 * @param msg
	 * @return
	 */
	public boolean initMail(String toemail, String title, String msg) {
		String mailbody = msg;
		System.out.println("toemail:" + toemail);

		SMTPSender themail = new SMTPSender(mailbody);
		themail.setHost("smtp.163.com");
		themail.setNeedAuth(true);

		if (themail.setSubject(title) == false) {
			System.out.println("setsubject fail");
		}

		if (themail.setBody(mailbody) == false) {
			System.out.println("setbody fail");
		}

		if (themail.setTo(toemail) == false) {
			System.out.println("setto fail");
		}

		if (themail.setFrom("xxx@163.com") == false) {
			System.out.println("setfrom fail");
			themail.setNamePass("xxx", "xxx");
		}

		if (themail.sendout() == false) {
			return false;
		}

		return true;
	}
}