javaMail发送邮件设置发件人中文昵称

public class TextMessage {
	//发送信件邮箱的用户名及密码
	static String username="272138576";
	static String password="********";
	public static void main(String [] args)throws Exception{
		String from="[email protected]";
		String to="[email protected]";
		String subject="test";
		String body="test!!!";
		Properties props = System.getProperties();
		// 创建信件服务器
		props.put("mail.smtp.host", "smtp.qq.com");
		props.put("mail.smtp.auth", "true");
		props.put("mail.transport.protocol", "smtp");
		// 得到默认的对话对象
		Authenticator a = new Authenticator() {
			public PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication(username, password);
			}
		};
		//创建Session实例
		Session session = Session.getDefaultInstance(props, a);
		//创建MimeMessage实例对象
		MimeMessage msg=new MimeMessage(session);
		//设置发信人
//		msg.setFrom(new InternetAddress(from));
		//设置自定义发件人昵称
		String nick="";
		try {
			nick=javax.mail.internet.MimeUtility.encodeText("我的昵称");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} 
		msg.setFrom(new InternetAddress(nick+" <"+from+">"));
		//设置收信人
		msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
		//设置发送日期
		msg.setSentDate(new Date());
		//设置邮件主题
		msg.setSubject(subject);
		//设置邮件正文
		msg.setText(body);
		Transport.send(msg);
	}
}