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POUpload file not working vie HTTP Post
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  1. POUpload file not working vie HTTP Post
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    copied!<p>This function is supposed to upload an UIImage to an web form per HTTP Post. I used extracts from some posts here and on othe rsites and got to this in the end.</p> <p>But it doesn't work, it workes like an GET Method for url, at least for me. Could you pelase test it, too, or help me, where the mistake could be?</p> <p>I DON'T want to use a framework like ASIHTTPRequest please.</p> <pre><code>- (NSString *)postImage:(UIImage *)image toURL:(NSURL *)url { NSData *imageData = UIImagePNGRepresentation(image); NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; [request setHTTPMethod:@"POST"]; NSString *boundary = [NSString stringWithFormat:@"---------------------------%i", (int)[[NSDate date] timeIntervalSinceReferenceDate]*100]; 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 stringWithFormat:@"Content-Disposition: form-data; name=\"Photo\"; filename=\"ipodfile.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Type: image/png\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]; [request addValue:[NSString stringWithFormat:@"%d", body.length] forHTTPHeaderField: @"Content-Length"]; NSURLResponse *response = NULL; NSError *requestError = NULL; NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&amp;response error:&amp;requestError]; return [[[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding] autorelease]; } </code></pre> <p>Thanks, Vincento</p>
 

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