[英]How to send request POST message to API server in flutter?
我正在使用NAVER API來檢測人臉,因此必須將POST消息發送到API服務器。 消息的格式如下。
[HTTP Request Header]
POST /v1/vision/face HTTP/1.1
Host: openapi.naver.com
Content-Type: multipart/form-data; boundary={boundary-text}
X-Naver-Client-Id: {Client ID}
X-Naver-Client-Secret: {Client Secret}
Content-Length: 96703
--{boundary-text}
Content-Disposition: form-data; name="image"; filename="test.jpg"
Content-Type: image/jpeg
{image binary data}
--{boundary-text}--
在檢查格式之后,我使用MultipartRequest
和MultipartFile
編寫。
Future<void> getFaceData() async {
final Uri url = Uri.parse('https://openapi.naver.com/v1/vision/face');
final request = http.MultipartRequest('POST',url);
request.fields['X-Naver-Client-Id'] = 'client key(I added real value)';
request.fields['X-Naver-Client-Secret'] = 'client secret(I added real value)';
request.files.add(await http.MultipartFile.fromPath(
'image',
_image.path,
contentType: MediaType('multipart','form-data')
));
http.StreamedResponse response = await request.send();
print(response.statusCode);
}
但是此代碼得到401錯誤,這是UNAUTHORIZED
。 問題是什么? 我該如何解決?
X-Naver...
值是HTTP 標頭 ,而不是表單字段 。 像這樣添加它們:
request.headers['X-Naver-Client-Id'] = 'client key(I added real value)';
request.headers['X-Naver-Client-Secret'] = 'client secret(I added real value)';
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