国际短信服务

import okhttp3.*;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.HashMap;

public class Isms {
    public static String sendInternationalSMS(String account, String mobile,
                                            String msg, String sign, String nonce) throws Exception {
        OkHttpClient client = new OkHttpClient();
        ObjectMapper mapper = new ObjectMapper();

        HashMap<String, String> bodyMap = new HashMap<>();
        bodyMap.put("account", account);
        bodyMap.put("mobile", mobile);
        bodyMap.put("msg", msg);

        RequestBody body = RequestBody.create(
            MediaType.parse("application/json"),
            mapper.writeValueAsString(bodyMap)
        );

        Request request = new Request.Builder()
            .url("https://intapi.253.com/send/sms")
            .post(body)
            .addHeader("Content-Type", "application/json")
            .addHeader("sign", sign)
            .addHeader("nonce", nonce)
            .build();

        Response response = client.newCall(request).execute();
        return response.body().string();
    }
}