分為圖片和視頻2部分
- 圖片
[[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData *imageData, NSString *dataUTI, UIImageOrientation orientation, NSDictionary *info) {
float imageSize = imageData.length; //convert to MB
imageSize = imageSize/(1024*1024.0);
NSLog(@"%f",imageSize);
}];
- 視頻
PHVideoRequestOptions *options = [[PHVideoRequestOptions alloc] init];
options.version = PHVideoRequestOptionsVersionOriginal;
[[PHImageManager defaultManager] requestAVAssetForVideo:asset options:options resultHandler:^(AVAsset *asset, AVAudioMix *audioMix, NSDictionary *info) {
if ([asset isKindOfClass:[AVURLAsset class]]) {
AVURLAsset* urlAsset = (AVURLAsset*)asset;
NSNumber *size;
[urlAsset.URL getResourceValue:&size forKey:NSURLFileSizeKey error:nil];
NSLog(@"size is %f",[size floatValue]/(1024.0*1024.0)); //size is 43.703005
}}];
或
NSURL *referenceURL = [info objectForKey:UIImagePickerControllerReferenceURL];
PHFetchResult *fetchResult = [PHAsset fetchAssetsWithALAssetURLs:[NSArray arrayWithObject:assetURL] options:nil];
PHAsset *videoAsset = (PHAsset*)fetchResult.firstObject;
PHAssetResource *resource = [[PHAssetResource assetResourcesForAsset:videoAsset] firstObject];
long long originFileSize = [[resource valueForKey:@"fileSize"] longLongValue];
int fileSize = (int)originFileSize;
int fileSize_MB = [[TVUCompareSpaceTool getInstance] convertVideoSizeFromByteToMB:fileSize];
