Javaを使用してCMSシステムのメール通知機能を開発する方法

<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-email</artifactId>
    <version>1.5</version>
</dependency>

import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.SimpleEmail;

public class EmailNotification {
    public static void main(String[] args) {
        try {
            // 创建SimpleEmail对象
            Email email = new SimpleEmail();
            // 设置邮件服务器主机名
            email.setHostName("smtp.example.com");
            // 设置邮件服务器端口号
            email.setSmtpPort(465);
            // 设置邮件服务器的登录用户名和密码
            email.setAuthenticator(new DefaultAuthenticator("username", "password"));
            // 开启SSL加密
            email.setSSLOnConnect(true);
            // 设置发件人
            email.setFrom("sender@example.com");
            // 设置收件人
            email.addTo("recipient@example.com");
            // 设置邮件主题
            email.setSubject("Test Email");
            // 设置邮件内容
            email.setMsg("This is a test email.");
            // 发送邮件
            email.send();
            System.out.println("Email sent successfully!");
        } catch (EmailException e) {
            e.printStackTrace();
        }
    }
}

public interface EmailNotificationService {
    void sendWelcomeEmail(User user);
    void sendArticleNotification(Article article);
    void sendPasswordResetEmail(User user);
    void sendOrderStatusNotification(Order order);
}

public class EmailNotificationServiceImpl implements EmailNotificationService {
    public void sendWelcomeEmail(User user) {
        // 创建邮件对象并设置相关参数
        // 发送邮件
    }

    public void sendArticleNotification(Article article) {
        // 创建邮件对象并设置相关参数
        // 发送邮件
    }

    public void sendPasswordResetEmail(User user) {
        // 创建邮件对象并设置相关参数
        // 发送邮件
    }

    public void sendOrderStatusNotification(Order order) {
        // 创建邮件对象并设置相关参数
        // 发送邮件
    }
}

mail.host=smtp.example.com
mail.port=465
mail.username=username
mail.password=password

Properties properties = new Properties();
try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream("config.properties")) {
    properties.load(inputStream);
} catch (IOException e) {
    e.printStackTrace();
}
String host = properties.getProperty("mail.host");
String port = properties.getProperty("mail.port");
String username = properties.getProperty("mail.username");
String password = properties.getProperty("mail.password");

Email email = new SimpleEmail();
email.setHostName(host);
email.setSmtpPort(Integer.parseInt(port));
email.setAuthenticator(new DefaultAuthenticator(username, password));
email.setSSLOnConnect(true);
// 设置其他参数并发送邮件