发送邮箱验证码

墨蓝 2022-05-29 03:44 323阅读 0赞

/**
     * 邮箱验证码
     *
     * @param userCount 邮箱账号
     * @param response
     */
    @RequestMapping("vcode")
    public void vcode(String userCount, HttpServletResponse response) throws IOException {
        BackModel result = null;
        String title = "账号注册";
        try {
            if (StringUtils.isEmpty(userCount)) {
                result = new BackModel(0, null, "请输入邮箱账号");
            } else {
                UserInfo userInfo = userInfoService.selectByUserAccount(userCount);
                String code = "";
                for (int i = 0; i < 6; i++) {
                    code = code + (int) (Math.random() * 9);
                }
                SendMailUtils.sendMail(userCount, code, title);
                RedisUtils.set(RedisKeys.VCODE + userCount, code, 300);
                Date date = new Date();
                Calendar cal = Calendar.getInstance();
                cal.setTime(date);
                long t1 = System.currentTimeMillis();
                cal.add(Calendar.DATE, 5);
                long t2 = cal.getTimeInMillis();
                long t3 = (t2 - t1) / 1000;
                RedisUtils.set(RedisKeys.VCODE_RECORD + userCount, "", (int) t3);
                result = new BackModel(1, null, "发送成功");
            }
        } catch (Exception e) {
            e.printStackTrace();
            result = new BackModel(0, null, "服务器发生异常");
        } finally {
            response.setContentType("application/json;charset=utf-8");
            response.getWriter().write(JSONObject.toJSON(result).toString());
            response.getWriter().flush();
            response.getWriter().close();
        }
    }
    public class SendMailUtils {
    
        private static String  FROM="xxx";// 发件人电子邮箱
        private static String  VCode="1234567";//授权码或者账号密码
        // 方法一：必须要用授权码
        public static void sendMail(String email,String code,String title){
            // 1.创建连接对象javax.mail.Session
            // 2.创建邮件对象 javax.mail.Message
            // 3.发送一封激活邮件
            String host = "smtp.qq.com"; // 指定发送邮件的主机smtp.qq.com(QQ)|smtp.163.com(网易)
            Properties properties = System.getProperties();// 获取系统属性
            properties.setProperty("mail.smtp.host", host);// 设置邮件服务器
            properties.setProperty("mail.smtp.auth", "true");// 打开认证
            try {
                //QQ邮箱需要下面这段代码，163邮箱不需要
                MailSSLSocketFactory sf = new MailSSLSocketFactory();
                sf.setTrustAllHosts(true);
                properties.put("mail.smtp.ssl.enable", "true");
                properties.put("mail.smtp.ssl.socketFactory", sf);
                // 1.获取默认session对象
                Session session = Session.getDefaultInstance(properties, new Authenticator() {
                    @Override
                    public PasswordAuthentication getPasswordAuthentication() {
                        return new PasswordAuthentication(FROM, VCode); // 发件人邮箱账号、授权码
                    }
                });
                // 2.创建邮件对象
                Message message = new MimeMessage(session);
                // 2.1设置发件人
                message.setFrom(new InternetAddress(FROM));
                // 2.2设置接收人
                message.addRecipient(Message.RecipientType.TO, new InternetAddress(email));
                // 2.3设置邮件主题
                message.setSubject(title);
                // 2.4设置邮件内容
                String content = "<html><head></head><body><h1>这是一封"+title+"邮件</h1><h3>动态验证码："
                        + code + " </h3>请在5分钟内完成验证。如非本人操作请忽略。</body></html>";
                message.setContent(content, "text/html;charset=UTF-8");
                // 3.发送邮件
                Transport.send(message);
                System.out.println("邮件成功发送!");
            } catch (Exception e) {
                e.printStackTrace();
            }
       }
    }

//方法二：使用账号 密码

public static void sendMessage(String email,String code,String title){
            try {
                Properties prop = new Properties();
                prop.setProperty("mail.host", "邮件服务器");
                prop.setProperty("mail.transport.protocol", "smtp");
                prop.setProperty("mail.smtp.auth", "true");
                prop.setProperty("mail.smtp.ssl.enable","true");
                //创建session
                Session session = Session.getInstance(prop);
                //开启Session的debug模式，这样就可以查看到程序发送Email的运行状态
                session.setDebug(true);
                //通过session得到transport对象
                Transport ts = session.getTransport();
                //使用邮箱的用户名和密码连上邮件服务器，发送邮件时，发件人需要提交邮箱的用户名和密码给smtp服务器，用户名和密码都通过验证之后才能够正常发送邮件给收件人。
                ts.connect("邮件服务器", "用户名", VCode);
                //创建邮件对象
                MimeMessage message = new MimeMessage(session);
                //指明邮件的发件人
                message.setFrom(new InternetAddress(FROM));
                //指明邮件的收件人
                message.setRecipient(Message.RecipientType.TO, new InternetAddress(email));
                //邮件的标题
                message.setSubject(title);
                //邮件的文本内容
                String content = "<html><head></head><body><h1> This is a"+title+".</h1><h3>Dynamic verification code:"
                        + code + " .</h3>please complete the verification within 5 minutes. Please ignore if you are not operating by yourself.</body></html>";
                message.setContent(content, "text/html;charset=UTF-8");
                //发送邮件
                ts.sendMessage(message, message.getAllRecipients());
                ts.close();
                System.out.println("邮件成功发送!");
            } catch (Exception e) {
                e.printStackTrace();
            }
    
    
        }