dedecms 邮件验证码

composer require phpmailer/phpmailer

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

function send_email_verification($to, $code) {
    $mail = new PHPMailer(true);

    try {
        // 邮件服务器设置
        $mail->isSMTP();
        $mail->Host = 'smtp.example.com'; // SMTP服务器地址
        $mail->SMTPAuth = true;
        $mail->Username = 'your_email@example.com'; // 发件人邮箱
        $mail->Password = 'your_email_password'; // 发件人邮箱密码
        $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
        $mail->Port = 587;

        // 发件人和收件人
        $mail->setFrom('your_email@example.com', 'Your Name');
        $mail->addAddress($to);

        // 邮件内容
        $mail->isHTML(true);
        $mail->Subject = '邮件验证码';
        $mail->Body    = "您的验证码是：$code";

        $mail->send();
        return true;
    } catch (Exception $e) {
        echo "邮件发送失败: {$mail->ErrorInfo}";
        return false;
    }
}

<?php
include 'include/mail_helper.php';

// 生成随机验证码
$code = rand(100000, 999999);

// 发送验证码到用户邮箱
$to = 'user@example.com'; // 用户邮箱
if (send_email_verification($to, $code)) {
    echo '验证码已发送，请查收邮箱';
} else {
    echo '邮件发送失败，请重试';
}