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POWhy the uploaded image do not display properly?
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  1. POWhy the uploaded image do not display properly?
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    copied!<p>I uploaded a picture file to the php server, the file can receive on the server side but can not be displayed in Preview , and server logs can not get the image file type, the clip of app code as follows:</p> <pre><code>@interface ImageUploader : NSObject &lt;NSURLConnectionDataDelegate&gt; { ...... } - (id)initWithURL:(NSURL*)theServerURL image:(UIImage*)theImage delegate:(id&lt;ImageUploaderDelegate&gt;)theDelegate; - (void)startUpload; @end @implementation ImageUploader ...... - (void)startUpload { NSURLRequest *request = [self postRequestWithURL:serverURL boundry:BOUNDRY image:image]; connection = [[NSURLConnection alloc]initWithRequest:request delegate:self]; } #pragma mark - Private Methods - (NSURLRequest*)postRequestWithURL:(NSURL*)url boundry:(NSString*)theBoundry image:(UIImage*)theImage { NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:30]; [request setHTTPShouldHandleCookies:NO]; [request setHTTPMethod:@"POST"]; [request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", theBoundry] forHTTPHeaderField:@"Content-Type"]; NSMutableData *postData = [NSMutableData data]; NSData *imageData = UIImagePNGRepresentation(theImage); if (imageData) { [postData appendData:[[NSString stringWithFormat:@"--%@\r\n", theBoundry]dataUsingEncoding:NSUTF8StringEncoding]]; [postData appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"imageFileFromIPhoneApp.png\"\r\n\r\n", FORM_FLE_INPUT]dataUsingEncoding:NSUTF8StringEncoding]]; [postData appendData:[[NSString stringWithString:@"Content-Type: image/png\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [postData appendData:imageData]; } [postData appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", theBoundry]dataUsingEncoding:NSUTF8StringEncoding]]; [request setValue:[NSString stringWithFormat:@"%d", [postData length]] forHTTPHeaderField:@"Content-Length"]; [request setHTTPBody:postData]; return request; } @implementation WonderfulMomentViewController ...... #pragma mark - UIImagePickerControllerDelegate - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *selectedImage = [info objectForKey:UIImagePickerControllerOriginalImage]; [picker dismissModalViewControllerAnimated:YES]; // do something with selectedImage and originalImage NSString *queryURL = [NSString stringWithFormat:@"%@/modules/party.php?action=uploadWonderfulImage", HOST_DOMAIN]; ImageUploader *imageUploader = [[ImageUploader alloc]initWithURL:[NSURL URLWithString:queryURL] image:selectedImage delegate:self]; [imageUploader startUpload]; } ...... @end =============================================== the php code below: public function uploadWonderfulImage(){ foreach($_FILES as $key =&gt; $value){ error_log("$key=&gt;$value"); foreach($_FILES[$key] as $subkey =&gt; $subvalue){ error_log("$subkey=&gt;$subvalue"); } } move_uploaded_file($_FILES["uploadFile"]["tmp_name"], $_FILES["uploadFile"]["name"]); } =============================================== the php log below:(note:the value of type is null) [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] uploadFile=&gt;Array [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] name=&gt;imageFileFromIPhoneApp.png [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] type=&gt; [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] tmp_name=&gt;/private/var/tmp/phpnbb3cf [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] error=&gt;0 [Tue May 22 09:34:43 2012] [error] [client 192.168.55.31] size=&gt;868591 </code></pre>
 

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