我正在学习 Objective-C,我正在尝试将图像上传到microsoft vision api
我用这些作为标题
[request addValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[request setHTTPMethod:@"POST"];
[request addValue:@"{*************}" forHTTPHeaderField:@"Ocp-Apim-Subscription-Key"];
我从服务器收到这条消息
{ "statusCode": 401, "message": "Access denied due to invalid subscription key. Make sure to provide a valid key for an active subscription." }
我已经尝试重新生成密钥,并且很确定我使用的是正确的密钥。