Как отправить несколько файлов изображений в Multipart Forms на сервер? ⇐ IOS

[Anonymous]

Я использую этот код и могу отправлять только отдельное изображение на сервер. Я хочу отправить несколько выбранных файлов изображений на сервер. Как я могу этого добиться? < /P>
-(void)submitDataToServer
{

NSTimeInterval timeStamp = [[NSDate date] timeIntervalSince1970];

NSNumber *randomNo = [NSNumber numberWithInteger: timeStamp];

NSLog(@"Random No=%@",randomNo);
NSLog(@"Project ID=%@",projectId);
NSLog(@"DATE=%@",dateString);
NSLog(@"USER ID=%@",userID);
NSLog(@"COMMENT =%@",projectNoteTextView.text);
NSLog(@"TASK ID=%@",task_Id);

//-- Convert string into URL
NSMutableURLRequest *request =[NSMutableURLRequest requestWithURL:[NSURL URLWithString:UPLOADDATA_URL]];

[request setHTTPMethod:@"POST"];
NSString *boundary = @"14737809831466499882746641449";
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];

//-- Append data into posr url using following method
NSMutableData *body = [NSMutableData data];

//Random No
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"random"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",randomNo] dataUsingEncoding:NSUTF8StringEncoding]];

//Project ID
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"project_id"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",projectId] dataUsingEncoding:NSUTF8StringEncoding]];

//Date
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"date"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",dateString] dataUsingEncoding:NSUTF8StringEncoding]];

//User ID
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"user_id"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",userID] dataUsingEncoding:NSUTF8StringEncoding]];

//Comment
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"comment"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",projectNoteTextView.text] dataUsingEncoding:NSUTF8StringEncoding]];

//Task ID
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",@"task_assign_id"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",task_Id] dataUsingEncoding:NSUTF8StringEncoding]];

NSLog(@"ARRAYCOUNT: %lu", (unsigned long)arrImage.count);
for (int y = 0; y < [arrImage count]; y++)
{
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

NSString * image_name =[NSString stringWithFormat:@"%@%d",@"image",y];
NSLog(@"IMAGE NAME:%@", image_name); //self.arrImage

UIImage* imageFile = [arrImage objectAtIndex:y];

CGSize newSize = CGSizeMake(500.0f, 500.0f);
UIGraphicsBeginImageContext(newSize);
[imageFile drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();

NSData *dataImg = [NSData
dataWithData:UIImagePNGRepresentation(newImage)];

//NSData *dataImg = [NSData dataWithData:UIImagePNGRepresentation([arrImage objectAtIndex:y])];

NSLog(@"added %i", y+1);
NSLog(@"Images, send to server:%@", dataImg);

[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"site_image\"; filename=\"%@\"\r\n",image_name] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:dataImg]];
}
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

//-- Sending data into server through URL
[request setHTTPBody:body];

//-- Getting response form server
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

//-- JSON Parsing with response data
NSDictionary *result = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingMutableContainers error:nil];
NSLog(@"Result = %@",result);
}


Подробнее здесь: https://stackoverflow.com/questions/440 ... the-server