web-dev-qa-db-fra.com

Télécharger une image sur le PHP serveur d'iOS

Je sais que cette question a déjà été posée plus tôt, mais mon problème est un peu différent.

Je souhaite télécharger une image sur le serveur PHP et envoyer davantage de paramètres, ainsi qu'une image à partir d'un iOS . J'ai effectué une recherche sur Google et trouvé deux solutions:

  1. Soit nous enverrons une image en tant que chaîne codée Base64 dans JSON. Renvoyé lien .

  2. Ou nous allons télécharger une image sur le serveur en utilisant les données de formulaire. J'ai référé ce link . Si quelqu'un me renvoie de cette façon, aidez-moi à ajouter d'autres paramètres dans cette API.

Ma question est la suivante: quel est le meilleur moyen de télécharger une image sur le serveur et je dois envoyer plusieurs paramètres (nom d'utilisateur, mot de passe et plus de détails) dans le même appel de service Web?.

Merci d'avance.

iosobjective-cimageweb-services
20
Vinay Jain

Vous pouvez télécharger une image depuis l'appli iOS vers PHP server de la manière suivante:

Utilisation Nouvel AFNetworking :

#import "AFHTTPRequestOperation.h"
#import "AFHTTPRequestOperationManager.h"

    NSString *stringUrl =@"http://www.myserverurl.com/file/uloaddetails.php?"
    NSString *string =@"http://myimageurkstrn.com/img/myimage.png"       
    NSURL *filePath = [NSURL fileURLWithPath:string];

   NSDictionary *parameters  = [NSDictionary dictionaryWithObjectsAndKeys:userid,@"id",String_FullName,@"fname",String_Email,@"emailid",String_City,@"city",String_Country,@"country",String_City,@"state",String_TextView,@"bio", nil];

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

    [manager POST:stringUrl parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData)
     {
         [formData appendPartWithFileURL:filePath name:@"userfile" error:nil];//here userfile is a paramiter for your image 
     }
     success:^(AFHTTPRequestOperation *operation, id responseObject)
     {
         NSLog(@"%@",[responseObject valueForKey:@"Root"]);
         Alert_Success_fail = [[UIAlertView alloc] initWithTitle:@"myappname" message:string delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
         [Alert_Success_fail show];     

     }
     failure:^(AFHTTPRequestOperation *operation, NSError *error)
     {
         Alert_Success_fail = [[UIAlertView alloc] initWithTitle:@"myappname" message:[error localizedDescription] delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
         [Alert_Success_fail show];

     }];

Deuxième utilisation NSURLConnection:

-(void)uploadImage
    {       
        NSData *imageData = UIImagePNGRepresentation(yourImage);

        NSString *urlString = [ NSString stringWithFormat:@"http://yourUploadImageURl.php?intid=%@",1];

        NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
        [request setURL:[NSURL URLWithString:urlString]];
        [request setHTTPMethod:@"POST"];

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

        NSMutableData *body = [NSMutableData data];
        [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%@\"\r\n", 1]] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[NSData dataWithData:imageData]];
        [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
        [request setHTTPBody:body];

        [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    }

Cela fonctionne très bien pour le téléchargement d’image depuis une application vers un serveur php. Nous espérons que cela vous aidera.

38
Nitin Gohel

Essayez avec Restkit

Voici le lien Téléchargement d'image Restkit avec le paramètre

Vous pouvez obtenir de l'aide Restkit à partir d'ici Étape d'intégration de Restkit

0
korat prashant

Essayez ceci c'est un travail pour moi.

    NSData *postData = [Imagedata dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
    NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
    [request setURL:[NSURL URLWithString:apiString]];
    [request setHTTPMethod:@"POST"];
    [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
    [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
    [request setHTTPBody:postData];

    NSURLResponse *response;
    NSError *err;
    NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];
    NSString *responseString = [[NSString alloc] initWithData:responseData encoding: NSUTF8StringEncoding];


    NSError *jsonError;
    NSData *objectData = [responseString dataUsingEncoding:NSUTF8StringEncoding];
    NSDictionary *responseDictft = [NSJSONSerialization JSONObjectWithData:objectData
                                                                   options:NSJSONReadingMutableContainers
                                                                     error:&jsonError];
0
kalpesh

Essaye ça.

-(void)EchoesPagePhotosUpload
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), ^{

    [self startIndicator];
});
//NSLog(@"%@",uploadPhotosArray);
NSMutableArray *uploadPhotosByteArray=[[NSMutableArray alloc] init];
conversionImage= [UIImage imageWithContentsOfFile:[uploadPhotosArray objectAtIndex:0]];

NSLog(@"conversionImage.size.height %f",conversionImage.size.height);
NSLog(@"conversionImage.size.width %f",conversionImage.size.width);
if(conversionImage.size.height>=250&&conversionImage.size.width>=250)
{
    dispatch_async(dispatch_get_main_queue(), ^(void) {
        [self performSelectorInBackground: @selector(LoadForLoop) withObject: nil];        NSLog(@"conversionImage.size.height %f",conversionImage.size.height);
        NSLog(@"conversionImage.size.width %f",conversionImage.size.width);

        for(int img_pos=0;img_pos<[uploadPhotosArray count];img_pos++)
        {
            conversionImage= [UIImage imageWithContentsOfFile:[uploadPhotosArray objectAtIndex:img_pos]];
            NSData *imageData = UIImageJPEGRepresentation(conversionImage,1.0);
            [Base64 initialize];
            NSString *uploadPhotoEncodedString = [Base64 encode:imageData];
            //NSLog(@"Byte Array %d : %@",img_pos,uploadPhotoEncodedString);
            [uploadPhotosByteArray addObject:uploadPhotoEncodedString];

        }
        dispatch_async(dispatch_get_main_queue(), ^{
            NSString *photo_description=[webview stringByEvaluatingJavaScriptFromString:                        @"document.getElementById('UploadPicsDesc').value"];
            NSString *uploadPhotoImageName=@"uploadPhoto.jpg";
            NSDictionary *UploadpicsJsonResponseDic=[WebserviceViewcontroller EchoesUploadPhotos:profileUserId imageName:uploadPhotoImageName Image:uploadPhotosByteArray PhotoDescription:photo_description];
            //NSLog(@"%@",UploadpicsJsonResponseDic);
            NSString *UploadPhotosStatusString=[UploadpicsJsonResponseDic valueForKey:@"Status"];

            NSLog(@"UploadPhotosStatusString :%@",UploadPhotosStatusString);
            NSString *uploadPhotosCallbackstring=[NSString stringWithFormat:@"RefreshForm()"];
            [webview stringByEvaluatingJavaScriptFromString:uploadPhotosCallbackstring];
        });
    });
}
else {
    UIAlertView *ErrorAlert=[[UIAlertView alloc] initWithTitle:@"Error" message:@"Please Upload Photo Above 250x250 size" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
    [ErrorAlert show];
    NSLog(@"conversionImage.size.height %f",conversionImage.size.height);
    NSLog(@"conversionImage.size.width %f",conversionImage.size.width);
}
}
0
Anilkumar iOS developer

Utiliser AFNetworking voici comment je le fais:

NSMutableDictionary *params = [[NSMutableDictionary alloc]init];
    [params setObject:@"myUserName" forKey:@"username"];
    [params setObject:@"1234" forKey:@"password"];
    [[AFHTTPRequestOperationLogger sharedLogger] startLogging];
    NSData *imageData;
    NSString *urlStr = [NSString stringWithFormat:@"http://www.url.com"];
    NSURL *url = [NSURL URLWithString:urlStr];

    AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:url];
       imageData = UIImageJPEGRepresentation(mediaFile, 0.5);


    NSMutableURLRequest *request = [httpClient multipartFormRequestWithMethod:@"POST" path:nil parameters:params constructingBodyWithBlock: ^(id <AFMultipartFormData>formData)
    {
              [formData appendPartWithFileData:imageData name:@"mediaFile" fileName:@"picture.png" mimeType:@"image/png"];
    }];

    AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request

    success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON)
    {

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"File was uploaded" message:@""
                                                       delegate:self cancelButtonTitle:@"Close" otherButtonTitles: nil];
        [alert show];
    }
    failure:^(NSURLRequest *request , NSURLResponse *response , NSError *error , id JSON)
    {
        NSLog(@"request: %@",request);
        NSLog(@"Failed: %@",[error localizedDescription]);
    }];


    [operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite)
    {
        NSLog(@"Sent %lld of %lld bytes", totalBytesWritten, totalBytesExpectedToWrite);
    }];
    [httpClient enqueueHTTPRequestOperation:operation];
0
Segev
-(void)uploadImage
{

NSString *mimetype = @"image/jpeg";
NSString *myimgname = _txt_fname.text; //@"img"; //upload image with this name in server PHP FILE MANAGER
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSData *imageDataa = UIImagePNGRepresentation(chooseImg.image);
NSDictionary *parameters =@{@"fileimg":defaults }; //@{@"uid": [uidstr valueForKey:@"id"]};

AFHTTPRequestSerializer *serializer = [AFHTTPRequestSerializer serializer];
//here post url and imagedataa is data conversion of image  and fileimg is the upload image with that name in the php code
NSMutableURLRequest *request =
[serializer multipartFormRequestWithMethod:@"POST" URLString:@"http://posturl/newimageupload.php"
                                parameters:parameters
                 constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
                     [formData appendPartWithFileData:imageDataa
                                                 name:@"fileimg"
                                             fileName:myimgname
                                             mimeType:mimetype];
                 }];

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//manager.responseSerializer = [AFHTTPResponseSerializer serializer];
AFHTTPRequestOperation *operation =
[manager HTTPRequestOperationWithRequest:request
                                 success:^(AFHTTPRequestOperation *operation, id responseObject) {
                                     NSLog(@"Success %@", responseObject);
                                     [uploadImgBtn setTitle:@"Uploaded" forState:UIControlStateNormal];
                                     [chooseImg setImage:[UIImage imageNamed:@"invoice-icon.png"]];

                                     if([[responseObject objectForKey:@"status"] rangeOfString:@"Success"].location != NSNotFound)
                                     {
                                         [self alertMsg:@"Alert" :@"Upload sucess"];
                                     }

                                 } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
                                     NSLog(@"Failure %@", error.description);
                                     [chooseImg setImage:[UIImage imageNamed:@"invoice-icon.png"]];
                                     uploadImgBtn.enabled = YES;

                                 }];

// 4. Set the progress block of the operation.
[operation setUploadProgressBlock:^(NSUInteger bytesWritten, NSInteger totalBytesWritten, NSInteger totalBytesExpectedToWrite) {

    float myprog = (float)totalBytesWritten/totalBytesExpectedToWrite*100;
    NSLog(@"Wrote %f ", myprog);
}];

// 5. Begin!
[operation start];

}
0
razesh