[iOS]通过AFNetworking上传图片到阿里云OSS

URL链接需要的key和token需要后台事先给你们拼好返回

+ (__kindof NSURLSessionTask *)uploadImagesToOSSWithURL:(NSString *)URL
                                                 image:(UIImage *)image
                                               progress:(PPHttpProgress)progress
                                                success:(PPHttpRequestSuccess)success
                                                failure:(PPHttpRequestFailed)failure {

    NSData *imageData = UIImageJPEGRepresentation(image, 1);
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:URL]];
    request.HTTPMethod = @"PUT";
    [request setValue:@"application/octet-stream" forHTTPHeaderField:@"Content-Type"];

    NSURLSessionTask *uploadTask = [_sessionManager uploadTaskWithRequest:request
        fromData:imageData
        progress:^(NSProgress *_Nonnull uploadProgress) {
          //上传进度
          dispatch_sync(dispatch_get_main_queue(), ^{
            progress ? progress(uploadProgress) : nil;
          });
        }
        completionHandler:^(NSURLResponse *_Nonnull response, id _Nullable responseObject, NSError *_Nullable error) {

          if (!error) {
              success(nil, nil);
          } else {
              [self handelFailuerWith:nil error:error failure:failure];
          }

        }];
    [uploadTask resume];

    return uploadTask;
}