springboot mail 发送邮件和附件

springboot mail 发送邮件

1. #QQ邮箱
     mail:
       host: smtp.qq.com
       protocol: smtp
       default-encoding: utf-8
       port: 587
       username: 1234567891@qq.com
       #授权码
       password: abcdefghijklmn
       test-connection: true
       properties:
         mail:
           smtp:
             auth: true
             starttls:
               enable: true
               required: true
   

2. //spring注入 
   @Autowired
       JavaMailSender javaMailSender;
   //而不是
   //JavaMailSender javaMailSender = new JavaMailSenderImpl();
   

3.  		// 发件人(是自己)
           simpleMailMessage.setFrom("1234567891@163.com");
           // 收件人
           simpleMailMessage.setTo("9876543219@163.com");
           // 邮件主题
           simpleMailMessage.setSubject("测试");
           // 邮件内容
           simpleMailMessage.setText("测试测试");
            javaMailSender.send(simpleMailMessage);
   

   
    @PostMapping("sendEmail")
    public String enclosureEmail(String email, String  urlPath, String title, String text) {
        try {
            Properties prop = new Properties();
            prop.setProperty("mail.host","smtp.qq.com");
            prop.setProperty("mail.transport.protocol","smtp");
            prop.setProperty("mail.smtp.auth","true");
            MyAuth myAuth = new MyAuth("1311111111@qq.com","abcdefghijk");
            Session session = Session.getInstance(prop, myAuth);
            //附件
            MimeMessage message = new MimeMessage(session);
            //发件人
            message.setFrom("1311111111@qq.com");
            //收件人
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(email));
            //title邮件标题
            message.setSubject(title);
            MimeBodyPart attach = new MimeBodyPart();
            //根据url获取文件
            URL url = new URL(urlPath);
            DataSource dataSource = new URLDataSource(url);
            DataHandler file = new DataHandler(dataSource);
            attach.setDataHandler(file);
            String name = file.getName();
            String fileName = name.substring(name.lastIndexOf("/") + 1);
            //设置附件文件名
            attach.setFileName(fileName);
            MimeMultipart multipart = new MimeMultipart();
            multipart.addBodyPart(attach);
            //正文
            MimeBodyPart content = new MimeBodyPart();
            //正文内容
            content.setText(text);
            multipart.addBodyPart(content);
            multipart.setSubType("mixed");
            message.setContent(multipart);
            message.saveChanges();
            //发送
            Transport ts = session.getTransport();
            ts.send(message);
            ts.close();
          return "200";
        } catch (Exception e) {
            e.printStackTrace();
            return "500";
        }
    }

public class MyAuth extends Authenticator{
   private String username;
   private String password;

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

   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;
   }

   @Override
   protected PasswordAuthentication getPasswordAuthentication() {
       return new PasswordAuthentication(username, password);
   }
}