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package utils;
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import javax.mail.Authenticator;
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import javax.mail.Message;
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import javax.mail.PasswordAuthentication;
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import javax.mail.Session;
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import javax.mail.Transport;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeMessage;
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import java.util.Properties;
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import java.util.Random;
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public class EmailUtil {
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private static final Random random = new Random();
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// SMTP服务器配置 - 请修改为您的邮箱配置
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private static final String SMTP_HOST = "smtp.qq.com"; // QQ邮箱SMTP
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private static final String SMTP_PORT = "587"; // 端口
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private static final String FROM_EMAIL = "2536082954@qq.com"; // 发件邮箱
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private static final String EMAIL_PASSWORD = "uihuasdsosbvdiia"; // 授权码
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private static final String FROM_NAME = "数学学习软件";
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public static String generateRegistrationCode() {
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return String.format("%06d", random.nextInt(1000000));
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}
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/**
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* 发送注册码到用户输入的邮箱
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*/
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public static boolean sendRegistrationCode(String userEmail, String username, String code) {
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// 配置邮件服务器
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Properties props = new Properties();
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props.put("mail.smtp.auth", "true");
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props.put("mail.smtp.starttls.enable", "true");
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props.put("mail.smtp.host", SMTP_HOST);
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props.put("mail.smtp.port", SMTP_PORT);
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// 超时设置
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props.put("mail.smtp.timeout", "10000");
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props.put("mail.smtp.connectiontimeout", "10000");
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// 创建认证器
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Authenticator authenticator = new Authenticator() {
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@Override
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protected PasswordAuthentication getPasswordAuthentication() {
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return new PasswordAuthentication(FROM_EMAIL, EMAIL_PASSWORD);
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}
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};
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Session session = Session.getInstance(props, authenticator);
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try {
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// 创建邮件
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MimeMessage message = new MimeMessage(session);
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message.setFrom(new InternetAddress(FROM_EMAIL, FROM_NAME, "UTF-8"));
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message.setRecipient(Message.RecipientType.TO, new InternetAddress(userEmail));
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message.setSubject("数学学习软件 - 注册验证码", "UTF-8");
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// 邮件内容（HTML格式）
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String htmlContent = buildEmailContent(username, code);
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message.setContent(htmlContent, "text/html;charset=UTF-8");
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// 发送邮件
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Transport.send(message);
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System.out.println("✅ 注册码已成功发送到: " + userEmail);
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return true;
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} catch (Exception e) {
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System.err.println("❌ 邮件发送失败: " + e.getMessage());
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 构建邮件内容
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*/
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private static String buildEmailContent(String username, String code) {
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return "<!DOCTYPE html>" +
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"<html>" +
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"<head>" +
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" <meta charset=\"UTF-8\">" +
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" <style>" +
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" body { font-family: Arial, sans-serif; margin: 0; padding: 20px; background-color: #f5f5f5; }" +
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" .container { max-width: 600px; margin: 0 auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }" +
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" .header { color: #1890ff; text-align: center; margin-bottom: 30px; }" +
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" .code-box { background: #f0f8ff; padding: 20px; text-align: center; margin: 25px 0; border-radius: 8px; border: 2px dashed #1890ff; }" +
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" .code { font-size: 32px; font-weight: bold; color: #ff4d4f; letter-spacing: 5px; }" +
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" .footer { margin-top: 30px; padding-top: 20px; border-top: 1px solid #eee; color: #666; font-size: 12px; }" +
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" </style>" +
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"</head>" +
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"<body>" +
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" <div class=\"container\">" +
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" <div class=\"header\">" +
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" <h1>数学学习软件 - 注册验证码</h1>" +
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" </div>" +
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" <p>亲爱的 <strong>" + username + "</strong>，您好！</p>" +
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" <p>您正在注册数学学习软件，请使用以下验证码完成注册：</p>" +
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" <div class=\"code-box\">" +
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" <div class=\"code\">" + code + "</div>" +
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" </div>" +
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" <p>如果这不是您的操作，请忽略此邮件。</p>" +
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" <div class=\"footer\">" +
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" <p>此为系统邮件，请勿回复</p>" +
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" <p>数学学习软件团队</p>" +
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" </div>" +
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" </div>" +
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"</body>" +
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"</html>";
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}
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} |
