【发布时间】：2016-12-05 01:08:50
【问题描述】：
我想同时上传图像和视频，我尝试了下面的编码但没有上传到服务器，我想要一个视频的缩略图，所以我将从同一个视频以及我想要上传的图像和视频中获取缩略图到服务器
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
NSLog(@"Image And Video will be uploaded");
img = [info valueForKey:UIImagePickerControllerOriginalImage];
NSURL *imurl=[info valueForKeyPath:UIImagePickerControllerMediaURL];
UIImage *croppedImage = [appdel imageWithImage:img scaledToWidth:400];
NSString *finalUniqueImageNAme1;
NSString *finalUniqueImageNAme2;
thumbimages = [self thumbnailImageFromURL:imurl];
NSData *videoData = [NSData dataWithContentsOfURL:imurl];
if(videoData.length)
{
NSDate *currentDate = [[NSDate alloc] init];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"];
NSString *localDateString = [dateFormatter stringFromDate:currentDate];
NSString* cleanedString = [[localDateString stringByReplacingOccurrencesOfString:@"." withString:@""]stringByReplacingOccurrencesOfString:@":" withString:@""];
NSString *cleanedString2 = [cleanedString stringByAppendingFormat:@"%d",1];
finalUniqueImageNAme1 = [cleanedString2 stringByAppendingString:@".mp4"];
}
if(thumbimages != nil)
{
NSDate *currentDate = [[NSDate alloc] init];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"];
NSString *localDateString = [dateFormatter stringFromDate:currentDate];
NSString* cleanedString = [[localDateString stringByReplacingOccurrencesOfString:@"." withString:@""]stringByReplacingOccurrencesOfString:@":" withString:@""];
NSString *cleanedString2 = [cleanedString stringByAppendingFormat:@"%d",1];
finalUniqueImageNAme2 = [cleanedString2 stringByAppendingString:@".jpg"];
}
NSData *imageData = UIImageJPEGRepresentation(thumbimages, 90);
NSString *urlString = @"http://vygears.com/tcdc-portfolio/Abdul/chat/upload/Vupload_file.php";
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString:urlString]];
[request setHTTPMethod:@"POST"];
NSString *boundary = @"---------------------------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 stringWithFormat:@"Content-Disposition: form-data; name=\"file1\"; filename=\"%@\"\r\n",finalUniqueImageNAme1] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file2\"; filename=\"%@\"\r\n",finalUniqueImageNAme2] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:videoData]];
[body appendData:[NSData dataWithData:imageData]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];
// NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
// NSLog(@"Successfully uploaded");
NSURLConnection *conn = [[NSURLConnection alloc] initWithRequest:request delegate:self];
if(conn)
{
NSLog(@"Connection Successful");
// [self dismissModalViewControllerAnimated:true];
[self dismissViewControllerAnimated:YES completion:nil];
}
else
{
NSLog(@"Connection could not be made");
}
}
}
- (UIImage *)thumbnailImageFromURL:(NSURL *)videoURL {
AVURLAsset *asset = [[AVURLAsset alloc] initWithURL: videoURL options:nil];
AVAssetImageGenerator *generator = [[AVAssetImageGenerator alloc] initWithAsset:asset];
NSError *err = NULL;
CMTime requestedTime = CMTimeMake(12,13); // To create thumbnail image
CGImageRef imgRef = [generator copyCGImageAtTime:requestedTime actualTime:NULL error:&err];
NSLog(@"err = %@, imageRef = %@", err, imgRef);
thumbnailImage = [[UIImage alloc] initWithCGImage:imgRef];
CGImageRelease(imgRef); // MUST release explicitly to avoid memory leak
return thumbnailImage;
}
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标签： objective-c iphone ios7 xcode7