springboot邮箱验证码功能的实现

 需要添加本地jar包，jar包来自:https://www.cnblogs.com/xhj1074376195/p/12490517.html

需要添加本地jar包，jar包来自:https://www.cnblogs.com/xhj1074376195/p/12490517.html

 

 

 

 

@RestController
public class Mailcontroller {
    @GetMapping(value = "/sentmail")
    public String sentmail( @NotNull String mail){
        String vertifyCode=createVertifyCode();
        Properties prop = new Properties();
        // 开启debug调试，以便在控制台查看
        prop.setProperty("mail.debug", "true");
        // 设置邮件服务器主机名
        prop.setProperty("mail.host", "smtp.qq.com");
        // 发送服务器需要身份验证
        prop.setProperty("mail.smtp.auth", "true");
        // 发送邮件协议名称
        prop.setProperty("mail.transport.protocol", "smtp");
        // 开启SSL加密，否则会失败
        MailSSLSocketFactory sf = null;
        try {
            sf = new MailSSLSocketFactory();
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        }
        sf.setTrustAllHosts(true);
        prop.put("mail.smtp.ssl.enable", "true");
        prop.put("mail.smtp.ssl.socketFactory", sf);
        // 创建session
        Session session = Session.getInstance(prop);

        try {
            Transport ts = session.getTransport();
            try {
                // 连接邮件服务器：邮箱类型，帐号，POP3/SMTP协议授权码 .163使用：smtp.163.com
                ts.connect("smtp.qq.com", "qq号", "授权码");
            } catch (MessagingException e) {
                e.printStackTrace();
            }
            Message message = null;
            try {
                // 创建邮件
                message = createSimpleMail(session,vertifyCode);
            } catch (Exception e) {
                e.printStackTrace();
            }
            try {
                //修改邮件接收方为传入的参数(邮件地址)
                message.setRecipient(Message.RecipientType.TO, new InternetAddress(mail));
            } catch (MessagingException e) {
                e.printStackTrace();
            }
            // 发送邮件
            try {
                ts.sendMessage(message, message.getAllRecipients());
            } catch (MessagingException e) {
                e.printStackTrace();
            }
            try {
                ts.close();
            } catch (MessagingException e) {
                e.printStackTrace();
            }
        } catch (NoSuchProviderException e) {
            e.printStackTrace();
        }
        //返回验证码给前端
        return vertifyCode;
    }
    //  获取6位随机验证码
    public String createVertifyCode(){
        String[] letters = new String[] {
                "q","w","e","r","t","y","u","i","o","p","a","s","d","f","g","h","j","k","l","z","x","c","v","b","n","m",
                "A","W","E","R","T","Y","U","I","O","P","A","S","D","F","G","H","J","K","L","Z","X","C","V","B","N","M",
                "0","1","2","3","4","5","6","7","8","9"};
        String stringBuilder ="";
        for (int i = 0; i < 6; i++) {
            stringBuilder = stringBuilder + letters[(int)Math.floor(Math.random()*letters.length)];
        }
        return stringBuilder;
    }
    public static MimeMessage createSimpleMail(Session session, String str) throws Exception {
        // 创建邮件对象
        MimeMessage message = new MimeMessage(session);
        // 指明邮件的发件人
        message.setFrom(new InternetAddress("****@qq.com"));
        // 指明邮件的收件人，发件人和收件人如果是一样的，那就是自己给自己发
        message.setRecipient(Message.RecipientType.TO, new InternetAddress("****@qq.com"));
        // 邮件的标题
        message.setSubject("XX平台验证码");
        // 邮件的文本内容
        message.setContent("您正在使用密码修改服务,密码重置验证码为(一分钟有效):"+str+",请勿回复此邮箱", "text/html;charset=UTF-8");

        // 返回创建好的邮件对象
        return message;
    }
}

 

 

 

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