带有数据和图像的 AFNetworking 3.x 发布请求

Posted 2023-02-23

【中文标题】带有数据和图像的 AFNetworking 3.x 发布请求

【英文标题】：AFNetworking 3.x post request with data and image

【发布时间】：2016-04-04 16:45:42

【问题描述】：

我想向我的后端发送一个发布请求，其中包含一些数据和一个 UIImage 作为 NSData 对象。问题是，我不知道如何使用 AFNetworking 3.0。

到目前为止我的代码：

NSString *url = [NSString stringWithFormat:@"%@%@", baseURL, @"/postProjectNote"];

NSMutableDictionary *dic = [[NSMutableDictionary alloc]init];

[dic setObject:session forKey:@"session"];
[dic setObject:timestamp forKey:@"timestamp"];
[dic setObject:project_id forKey:@"project_id"];
[dic setObject:type forKey:@"type"];

NSData imagedata = UIImageJPEGRepresentation(myUIImage, 0.8);

我不需要任何进度条。如果请求成功与否，我只需要一个结果。后端（Laravel 5）给了我一个 json 字符串。我需要将其与表单数据一起发送。

你能帮我开始吗？

【参考方案1】：

使用此代码通过 AFNetworking 发布图片：

AFHTTPRequestOperationManager* manager = [[AFHTTPRequestOperationManager alloc] init];
manager.responseSerializer = [AFHTTPResponseSerializer serializer];
manager.requestSerializer = [AFJSONRequestSerializer serializer];
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/json"];

NSData *imageData = UIImageJPEGRepresentation(image, 0.5);
NSMutableDictionary *paramDict = [NSMutableDictionary new]; // Add additional parameters here
AFHTTPRequestOperation *op = [manager POST:UPDATE_PROFILE_IMAGE parameters:paramDict constructingBodyWithBlock:^(id<AFMultipartFormData> formData) 
    [formData appendPartWithFileData:imageData name:@"file" fileName:@"filename" mimeType:@"image/jpeg"];
 success:^(AFHTTPRequestOperation *operation, id responseObject) 
    if (success) 
        // Success
    
 failure:^(AFHTTPRequestOperation *operation, NSError *error) 
    // Failure
];
[op start];

【讨论】：

这适用于 AFNetworking 2.x 而不是 3.x。但是使用迁移教程很容易隐藏。

【参考方案2】：

   NSData *imageData = UIImageJPEGRepresentation(image, 0.5);    
   AFHTTPSessionManager *manager = [[AFHTTPSessionManager alloc]initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
   manager.responseSerializer = [AFJSONResponseSerializer serializer];
   [manager.requestSerializer setValue:token forHTTPHeaderField:@"Authorization"];
   [manager.requestSerializer setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
   manager.responseSerializer.acceptableContentTypes =[NSSet setWithObjects:@"text/html",@"application/json",nil];

   [manager POST:encoded parameters:"the params you want to pass" constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) 
    [formData appendPartWithFileData:imageData
                                name:"image name with timestamp"
                            fileName:@"image_upload_file"
                            mimeType:[NSString mimeTypeForImageData:data]];
 progress:^(NSProgress * _Nonnull uploadProgress) 
    //DLog(@"Progress  = %@",uploadProgress);
 success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) 
    //DLog(@"Response  = %@",responseObject);
    completion(YES,responseObject,nil);
 failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) 
    completion(NO,nil,error);
    //DLog(@"Error: %@", error);
];