import com.derbysoft.common.config.MailConfig;
import com.derbysoft.common.utils.string.StringUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.activation.DataHandler;
import javax.mail.*;
import javax.mail.internet.*;
 
import javax.mail.util.ByteArrayDataSource;
import java.io.IOException;
import java.util.Properties;
/**
 * Created by Harry on 2017/5/18.
 */
@Component
public class MailUtil {

    @Autowired
MailConfig mailConfig;
/**
     * 傳送郵件
     * 文字內容支援html標籤
     *
     * @param senderName sender name default dplatform
 
     * @param to         if exist more than one receiver using , splite
     * @param cc         if exist more than one receiver using , splite
     * @param subject
* @param content
* @param bytes      annex array
     * @param names      annex names
     * @throws MessagingException
     * @throws 
 
IOException
     */
public void sendMail(String senderName, String to, String cc, String subject, String content, byte[][] bytes, String[] names) throws MessagingException, IOException {

        // 屬性物件
Properties properties = properties();
// 環境資訊
Session session = Session.getInstance(properties, new Authenticator() {
            @Override
protected PasswordAuthentication getPasswordAuthentication() {
                // 在session中設定賬戶資訊，Transport傳送郵件時會使用W
return new PasswordAuthentication(mailConfig.getUserName(), mailConfig.getPassWord());
}
        });
//郵件
MimeMessage msg = new MimeMessage(session);
//設定主題
msg.setSubject(subject);
//發件人，注意中文的處理
msg.setFrom(new InternetAddress("\"" + MimeUtility.encodeText(senderName) + "\"<" + mailConfig.getUserName() + ">"));
//設定郵件回覆人
//        msg.setReplyTo(new Address[]{new InternetAddress("[email protected]")});
msg.setRecipients(Message.RecipientType.TO, to);
        if (!StringUtil.isEmpty(cc)) {
            msg.setRecipients(Message.RecipientType.CC, cc);
}
        //整封郵件的MINE訊息體
MimeMultipart msgMultipart = new MimeMultipart("mixed");//混合的組合關係
        //設定郵件的MINE訊息體
msg.setContent(msgMultipart);
// 裝載附件
if (bytes != null && names != null) {
            for (int i = 0; i < bytes.length; i++) {
                MimeBodyPart attch = new MimeBodyPart(); // 附件
msgMultipart.addBodyPart(attch);         // 將附件新增到MIME訊息體中
ByteArrayDataSource dataSource = new ByteArrayDataSource(bytes[i], "text/data"); //資料來源
attch.setDataHandler(new DataHandler(dataSource));
attch.setFileName(names[i]);
}
        }

        //html程式碼部分
MimeBodyPart htmlPart = new MimeBodyPart();
msgMultipart.addBodyPart(htmlPart);
//html程式碼
htmlPart.setContent(content, "text/html;charset=utf-8");
//傳送郵件
Transport.send(msg, msg.getAllRecipients());
}

    protected Properties properties() {
        // 屬性物件
Properties properties = new Properties();
// 開啟debug除錯 ，列印資訊
properties.setProperty("mail.debug", "false");
// 傳送伺服器需要身份驗證
properties.setProperty("mail.smtp.auth", mailConfig.getAuth());
// 傳送伺服器埠，可以不設定，預設是25
properties.setProperty("mail.smtp.port", mailConfig.getPort());
// 傳送郵件協議名稱
properties.setProperty("mail.transport.protocol", mailConfig.getProtocol());
// 設定郵件伺服器主機名
properties.setProperty("mail.host", mailConfig.getHost());
        return properties;
}

}