Flutter 有道云API 接口调用

 void getWordDetail(String word) async {
    var uuid = Uuid();
    String wordPath = "https://openapi.youdao.com/v2/dict";
    String apiKey = "appId";
    String secret = "密钥";
    String salt = uuid.v4();
    final curentTime = getCurrentTimestamp();
    final sign = sha256
        .convert(utf8.encode("$apiKey$word$salt$curentTime$secret"))
        .toString();
    var mapParam = {
      "q": word,
      "langType": "en",
      "appKey": apiKey,
      "dicts":"ec",
      "salt": salt,
      "sign": sign,
      "signType": "v3",
      "curtime": curentTime
    };
    print("parameter：---$mapParam");
    FormData formData = FormData.fromMap(mapParam);
    Response response = await dio.post(wordPath, data: formData);
    print("请求到的数据===$response=====${response.data}");
   
  }

  String getCurrentTimestamp() {
    // 获取当前UTC时间
    var now = DateTime.now().toUtc();
    // 将DateTime转换为时间戳（秒）
    int timestamp = now.millisecondsSinceEpoch ~/ 1000;
    return timestamp.toString();
  }