package com.maxtech.util;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

public class MyEmailAutherticator extends Authenticator {

    //使用者名稱（登入郵箱）
    private String username;

    //密碼
    private String password;

    public MyEmailAutherticator() {
        super();
    }

    //初始化郵箱和密碼
 

    public MyEmailAutherticator(String username, String password) {
        this.username = username;
        this.password = password;
    }

    //用作登入校驗，以確保對該郵箱有傳送郵件的權利
    public PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(username, password);
    }

    //set and get method
 

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
}

///
 
//////////////////////////////////////////////////////////////////////////////////


package com.maxtech.util;

import java.util.Date;
import java.util.Properties;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.SendFailedException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Mail {

    //傳送郵件的帳號和密碼
    private String username="[email protected]";

    private String password="xxxxx";

//    private String host = "smtp.qq.com";
    private String host = "mail.qq.com";

    private String mail_head_name = "this is head of this mail";

    private String mail_head_value = "this is head of this mail";

    private String mail_to ;

    public String getMail_to() {
return mail_to;
}

public void setMail_to(String mail_to) {
this.mail_to = mail_to;
}

private String mail_from = "[email protected]";

    private String mail_subject = "xxxxxxxxx";

    private String mail_body ;

    public String getMail_body() {
return mail_body;
}

public void setMail_body(String mail_body) {
this.mail_body = mail_body;
}

private String personalName = "xxxxxx";

    public void sendMail() throws SendFailedException{
        try {
             //傳送郵件的props檔案
            Properties props = new Properties();
            // 初始化props
            props.put("mail.smtp.host", host);
            props.put("mail.smtp.auth", "true");
            System.out.println(props);

            //進行郵件服務使用者認證
            Authenticator auth = new MyEmailAutherticator(username,password);

            // 建立session,和郵件伺服器進行通訊
            Session session = Session.getDefaultInstance(props,auth);

            // 建立mime型別郵件
            MimeMessage message = new MimeMessage(session);
            //設定郵件格式，這裡決定傳送的內容換行是用文字（win下\r\n   linux下\n    osx下\r）還是br
      //我們最好選擇用郵件格式，因為text格式不同的平臺換行符不一樣()
            message.setContent(mail_body,"text/html;charset=utf-8");
           //設定文字格式
            //message.setText(mail_body);
            // 設定主題
            message.setSubject(mail_subject);

            //設定郵件標題
            message.setHeader(mail_head_name, mail_head_value);
            //設定郵件傳送時期
            message.setSentDate(new Date());
            Address address = new InternetAddress(mail_from,personalName);
            //設定郵件傳送者的地址
            message.setFrom(address);

            //======單發郵件======
            //設定郵件接收者的地址
            Address toaddress = new InternetAddress(mail_to);
            // 設定收件人
            message.addRecipient(Message.RecipientType.TO,toaddress);

            //======群發郵件======
//            List recipients = new ArrayList();
//            recipients.add("[email protected]");
//            recipients.add("[email protected]");
//            final int num = recipients.size();
//            InternetAddress[] addresses = new InternetAddress[num];
//            for (int i = 0; i < num; i++) {
//                addresses[i] = new InternetAddress(recipients.get(i));
//            }
//            message.setRecipients(Message.RecipientType.TO, addresses);


            System.out.println(message);
            // 傳送郵件
            Transport.send(message);
            System.out.println("Send Mail Ok!");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}