在SpringBoot中使用JavaMailSender

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

spring.mail.host=smtp.example.com
spring.mail.port=587
spring.mail.username=your-email@example.com
spring.mail.password=your-password
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true

@Service
public class EmailService {

    @Autowired
    private JavaMailSender javaMailSender;

    public void sendEmail(String to, String subject, String content) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        javaMailSender.send(message);
    }
}

@Autowired
private EmailService emailService;

public void sendEmail() {
    String to = "recipient@example.com";
    String subject = "Test Email";
    String content = "This is a test email.";
    emailService.sendEmail(to, subject, content);
}