Objective c 发布带有参数的图像-AF3.1和目标c（Xcode 8）

我正在寻找一些导致我的问题的线索。 实际上，我已经浏览了所有与向服务器发布/上传图像相关的链接，但似乎没有任何东西可以让我的代码正常工作

我已经发布了2个选项。。。以不同的方式。。。注释的代码表明。。。我的请求在服务器上变成空白

我尝试过使用不同的选项-appendPartWithFormData、appendPartWithFileData

选择1

n错误*错误

    // Create paths to output images
    NSString  *pngPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/Test.png"];
    UIImage *image = [UIImage imageWithData:self.imageData];
    [UIImagePNGRepresentation(image) writeToFile:pngPath atomically:YES];
    NSURL *imagePath = [NSURL fileURLWithPath:pngPath];

    NSData *jsonInputData     = [NSJSONSerialization dataWithJSONObject:[requestParameter valueForKey:@"Param"] options:0 error:&error];
    NSString *jsonInputString = [[NSString alloc] initWithData:jsonInputData encoding:NSUTF8StringEncoding];

    NSLog(@"converted JOSN Data %@",jsonInputString);

    NSDictionary* params = @{@"request": jsonInputString };

    [manager POST:[requestParameter valueForKey:@"methodName"] parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData)
     {
         //[formData appendPartWithFormData:self.imageData name:@"profilepic" ];

        //[formData appendPartWithFileData:self.imageData name:@"profilepic" fileName:@"profilepic.png" mimeType:@"image/png"];
         [formData appendPartWithFormData:jsonInputData name:@"request"];
         [formData appendPartWithFileURL:[NSURL fileURLWithPath:pngPath]
                                    name:@"File"
                                   error:nil];
     }  progress:nil success:^(NSURLSessionDataTask *task, id responseObject) {
        NSLog(@"Success: %@", responseObject);
        [self requestSuccessed:responseObject];

    } failure:^(NSURLSessionDataTask *task, NSError *error) {

        NSLog(@"Error: %@", error);
        [self requestFailed:error];
    }];

---

试试这个，希望它能解决你的问题

      // your parametes here
    userInfoDict=[[NSMutableDictionary alloc] init];

    [userInfoDict setValue:@"image" forKey:@"iamge"];

    // if image is too large than the timeout intervel
 //   [_request setTimeoutInterval:1000];

    _request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"api url" parameters:userInfoDict constructingBodyWithBlock:^(id<AFMultipartFormData> formData)
                {
                 //convert imahe into data
                    NSData* data = UIImagePNGRepresentation(yourImage);

                    [formData appendPartWithFileData:data name:@"api paramets name in which you want to post image" fileName:@"myImage.png" mimeType:@"image/png"];

                } error:nil];

    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];

    _uploadTask = [manager
                   uploadTaskWithStreamedRequest:_request
                   progress:^(NSProgress * _Nonnull uploadProgress)

                   {
                       // This is not called back on the main queue.
                       // You are responsible for dispatching to the main queue for UI updates
                       dispatch_async(dispatch_get_main_queue(), ^{
                            //Update the progress view
                           [_playerProgress setProgress:uploadProgress.fractionCompleted];

                           NSLog(@"\n uploading image vlaues %f\n",uploadProgress.fractionCompleted);

                           // for uploading video in background
                          manager.attemptsToRecreateUploadTasksForBackgroundSessions=YES;

                       });
                   }

                   completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
                       if (error) {
                           NSLog(@"Error: %@", error);

                          // [_playerProgress setHidden:YES];

                       } else
                       { 
                           NSLog(@"%@ ", response);

                           // after upload comnlete disablle background uploading

                           manager.attemptsToRecreateUploadTasksForBackgroundSessions=NO;

                           NSLog(@"\n\n REsponse Form Server %@\n\n",responseObject);
                           //[responseObject valueForKey:@"error"];
                                                          //remove temp file
                           NSError *error;

                       }
                   }

                   ];

    [_uploadTask resume];

//这里是您的参数
userInfoDict=[[NSMutableDictionary alloc]init]；
[userInfoDict setValue:@“image”forKey:@“iamge”]；
//如果映像太大，超过超时间隔
//[\u请求setTimeoutInterval:1000]；
_request=[[AFHTTPRequestSerializer序列化程序]multipartFormRequestWithMethod:@“POST”URLString:@“api url”参数：userInfoDict constructingBodyWithBlock:^（id formData）
{
//将imahe转换为数据
NSData*data=UIIMAGEPNGRE演示文稿（yourImage）；
[formData appendPartWithFileData:数据名称：@“要发布图像的api参数名称”文件名：@“myImage.png”mimeType:@“image/png”]；
}错误：无]；
AFURLSessionManager*manager=[[AFURLSessionManager alloc]initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]]；
_uploadTask=[manager]
uploadTaskWithStreamedRequest:\u请求
进度：^（NSProgress*_非空上传进度）
{
//这不会在主队列上回调。
//您负责将UI更新发送到主队列
dispatch\u async（dispatch\u get\u main\u queue（）^{
//更新进度视图
[\u playerProgress setProgress:uploadProgress.fractionCompleted]；
NSLog（@“\n上载映像文件%f\n”，上载进度。分形已完成）；
//用于在后台上传视频
manager.attemptsToRecreateUploadTasksForBackgroundSessions=YES；
});
}
completionHandler:^（NSURLResponse*\u非空响应，id\u可空响应对象，NSError*\u可空错误）{
如果（错误）{
NSLog（@“错误：%@”，错误）；
//[[u playerProgress setHidden:是]；
}否则
{ 
NSLog（@“%@”，响应）；
//上传后comnlete可禁用后台上传
manager.attemptsToRecreateUploadTasksForBackgroundSessions=否；
NSLog（@“\n\n响应表单服务器%@\n\n”，响应对象）；
//[响应对象值forkey:@“错误”]；
//删除临时文件
n错误*错误；
}
}
];
[_上传任务恢复]；

试试这个，希望它能解决你的问题

      // your parametes here
    userInfoDict=[[NSMutableDictionary alloc] init];

    [userInfoDict setValue:@"image" forKey:@"iamge"];

    // if image is too large than the timeout intervel
 //   [_request setTimeoutInterval:1000];

    _request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"api url" parameters:userInfoDict constructingBodyWithBlock:^(id<AFMultipartFormData> formData)
                {
                 //convert imahe into data
                    NSData* data = UIImagePNGRepresentation(yourImage);

                    [formData appendPartWithFileData:data name:@"api paramets name in which you want to post image" fileName:@"myImage.png" mimeType:@"image/png"];

                } error:nil];

    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];

    _uploadTask = [manager
                   uploadTaskWithStreamedRequest:_request
                   progress:^(NSProgress * _Nonnull uploadProgress)

                   {
                       // This is not called back on the main queue.
                       // You are responsible for dispatching to the main queue for UI updates
                       dispatch_async(dispatch_get_main_queue(), ^{
                            //Update the progress view
                           [_playerProgress setProgress:uploadProgress.fractionCompleted];

                           NSLog(@"\n uploading image vlaues %f\n",uploadProgress.fractionCompleted);

                           // for uploading video in background
                          manager.attemptsToRecreateUploadTasksForBackgroundSessions=YES;

                       });
                   }

                   completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
                       if (error) {
                           NSLog(@"Error: %@", error);

                          // [_playerProgress setHidden:YES];

                       } else
                       { 
                           NSLog(@"%@ ", response);

                           // after upload comnlete disablle background uploading

                           manager.attemptsToRecreateUploadTasksForBackgroundSessions=NO;

                           NSLog(@"\n\n REsponse Form Server %@\n\n",responseObject);
                           //[responseObject valueForKey:@"error"];
                                                          //remove temp file
                           NSError *error;

                       }
                   }

                   ];

    [_uploadTask resume];

//这里是您的参数
userInfoDict=[[NSMutableDictionary alloc]init]；
[userInfoDict setValue:@“image”forKey:@“iamge”]；
//如果映像太大，超过超时间隔
//[\u请求setTimeoutInterval:1000]；
_request=[[AFHTTPRequestSerializer序列化程序]multipartFormRequestWithMethod:@“POST”URLString:@“api url”参数：userInfoDict constructingBodyWithBlock:^（id formData）
{
//将imahe转换为数据
NSData*data=UIIMAGEPNGRE演示文稿（yourImage）；
[formData appendPartWithFileData:数据名称：@“要发布图像的api参数名称”文件名：@“myImage.png”mimeType:@“image/png”]；
}错误：无]；
AFURLSessionManager*manager=[[AFURLSessionManager alloc]initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]]；
_uploadTask=[manager]
uploadTaskWithStreamedRequest:\u请求
进度：^（NSProgress*_非空上传进度）
{
//这不会在主队列上回调。
//您负责将UI更新发送到主队列
dispatch\u async（dispatch\u get\u main\u queue（）^{
//更新进度视图
[\u playerProgress setProgress:uploadProgress.fractionCompleted]；
NSLog（@“\n上载映像文件%f\n”，上载进度。分形已完成）；
//用于在后台上传视频
manager.attemptsToRecreateUploadTasksForBackgroundSessions=YES；
});
}
completionHandler:^（NSURLResponse*\u非空响应，id\u可空响应对象，NSError*\u可空错误）{
如果（错误）{
NSLog（@“错误：%@”，错误）；
//[[u playerProgress setHidden:是]；
}否则
{ 
NSLog（@“%@”，响应）；
//上传后comnlete可禁用后台上传
manager.attemptsToRecreateUploadTasksForBackgroundSessions=否；
NSLog（@“\n\n响应表单服务器%@\n\n”，响应对象）；
//[响应对象值forkey:@“错误”]；
//删除临时文件
n错误*错误；
}
}
NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:url parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
    NSLog(@"Saving image file");

    [formData appendPartWithFileData:UIImagePNGRepresentation(image) name:@"imagename" fileName:@"image.png" mimeType:@"image/png"];

} error:nil];

AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
manager.responseSerializer = [AFHTTPResponseSerializer serializer];

NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithStreamedRequest:request progress:^(NSProgress * _Nonnull uploadProgress) {
    // This is not called back on the main queue.
    // You are responsible for dispatching to the main queue for UI updates
    dispatch_async(dispatch_get_main_queue(), ^{
        NSLog(@"JSON uploadProgress.fractionCompleted: %f", uploadProgress.fractionCompleted);
    });
} completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {

    //NSLog(@"Error: %@", error);
    NSLog(@"RESPONSE: %@ %@", response, responseObject);
    if(error) {
        NSLog(@"Error: %@", error);

    } else {
        NSString *responseString = [[[NSString alloc] initWithData:responseObject encoding:NSASCIIStringEncoding] mutableCopy];
        NSLog(@"RESPONSE: %@", responseString);
    }
}];
[uploadTask resume];