[Java] [32] e-mail

Features: front-end to fill in certain information submitted to the background, the background information is saved to the database and related information send a message to the administrator

text:

1, Controller layer

@ResponseBody
@RequestMapping (value = "Submit", Method = RequestMethod.POST)
 public the Result Submit (SomeInfo someInfo) {    // SomeInfo: value of the transmission to the entity class 
    the Result = Result new new the Result (); // Return value can define their own 
    = TheService.submit the Result (someInfo); // saved to the database 
    IF (result.isSuccess) { // save successfully, send e-mail 
        Sendmail the send = new new Sendmail (someInfo);
         // start the thread, the thread will run method after start to send mail 
        send.start ();
    }
    return result;
}

2, Sendmail class

package com.bfweb.util;

import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;

import com.bfweb.view.SomeInfo;

public  class Sendmail the extends the Thread {    
     Private String from = "[email protected]"; // used to send messages to the administrator mailbox 
    Private String username = "xxxMailName"; // mail username 
    Private String password = "password" ; // password of the mailbox 
    Private String Host = "mail.xx.com"; // sending mail server address, ask operation and maintenance, I used our company

    private SomeInfo someInfo;
    public Sendmail(SomeInfo someInfo){
        this.someInfo = someInfo;
    }
  
    / * Overriding implementations run method, send mail to a run method specified user
    * @see java.lang.Thread#run()
    */
    public void run() {
      try{
          Properties prop = new Properties();
          prop.setProperty("mail.host", host);
          prop.setProperty("mail.transport.protocol", "smtp");
          prop.setProperty("mail.smtp.auth", "true");

          Session session = Session.getInstance(prop);
          session.setDebug(true);
          Transport ts = session.getTransport();
          ts.connect(host, username, password);
          Message message = createEmail(session,operationView);
          ts.sendMessage(message, message.getAllRecipients());
          ts.close();
      }catch (Exception e) {
          throw new RuntimeException(e);
      }
    }

    public Message createEmail(Session session, SomeInfo someInfo) throws Exception{
      
      MimeMessage message = new MimeMessage(session);
      message.setFrom(new InternetAddress(from));
      message.setRecipient(Message.RecipientType.TO, new InternetAddress("[email protected]")); //[email protected]
      message.setSubject(MimeUtility.encodeText("邮件提醒", MimeUtility.mimeCharset("gb2312"), null));
      
      String info = "Code ： %s<br>" +
            "Name ： %s<br>" +
            "Gender ： %s<br>" +
            "Email： %s<br>" +
            "Admin Url ： <a href='%s'>%s</a><br>";
      info = String.format(info, someInfo.getCode(), someInfo.getName(), someInfo.getGender(), someInfo.getEmail(), "https://www.baidu.com/", "点击进入后台");
      message.setContent(info,"text/html;charset=UTF-8");
      message.saveChanges();
      return message;
    }
}

Reference blog:

1, JavaWeb study concluded (52) - Use JavaMail to create and send e-mail messages - aloof Wolf - blog Park
https://www.cnblogs.com/xdp-gacl/p/4216311.html

2, java program send a message to the specified mailbox - v_yang_guang_v column - CSDN blog
https://blog.csdn.net/v_yang_guang_v/article/details/45001075

3, mail service return code Meaning - CSDN blog - weixin_34256074's blog
https://blog.csdn.net/weixin_34256074/article/details/86168513