Java を使用して CMS システムの SMS 検証コード モジュールを作成する方法

<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>aliyun-java-sdk-core</artifactId>
    <version>4.4.6</version>
</dependency>
<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>aliyun-java-sdk-dysmsapi</artifactId>
    <version>1.1.0</version>
</dependency>

import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsRequest;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsResponse;

public class SmsUtils {
    // 阿里云短信服务的API Key
    private static final String ACCESS_KEY_ID = "your-access-key-id";
    private static final String ACCESS_KEY_SECRET = "your-access-key-secret";
    // 短信签名
    private static final String SIGN_NAME = "your-sms-sign-name";
    // 短信模板
    private static final String TEMPLATE_CODE = "your-sms-template-code";

    public static void sendSms(String phoneNumber, String verificationCode) throws ClientException {
        DefaultProfile profile = DefaultProfile.getProfile("default", ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        IAcsClient client = new DefaultAcsClient(profile);

        SendSmsRequest request = new SendSmsRequest();
        request.setPhoneNumbers(phoneNumber);
        request.setSignName(SIGN_NAME);
        request.setTemplateCode(TEMPLATE_CODE);
        request.setTemplateParam("{"code":"" + verificationCode + ""}");

        SendSmsResponse response = client.getAcsResponse(request);
        if (!"OK".equals(response.getCode())) {
            throw new RuntimeException("Failed to send SMS: " + response.getCode() + ", " + response.getMessage());
        }
    }
}

import java.util.Random;

public class UserController {
    public void register(String phoneNumber) {
        String verificationCode = generateCode();
        try {
            SmsUtils.sendSms(phoneNumber, verificationCode);
            // 保存验证码和手机号到数据库，用于后续的校验
        } catch (Exception e) {
            // 处理异常
        }
    }

    private String generateCode() {
        StringBuilder code = new StringBuilder();
        Random random = new Random();
        for (int i = 0; i < 6; i++) {
            code.append(random.nextInt(10));
        }
        return code.toString();
    }
}