ios - 如何获取所选图像的 'file' 的名称

Question

我正在尝试获取使用此代码选择的图像的文件名:

- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    img = [info objectForKey:UIImagePickerControllerOriginalImage];
    [self.imgFoto setImage:img];

    NSURL *imagePath = [info objectForKey:@"UIImagePickerControllerReferenceURL"];
    NSString *imageName = [imagePath lastPathComponent];
    NSLog(@"image name is %@", imageName);

    [self dismissViewControllerAnimated:YES completion:NULL];
}

但我看到的是:

我的意思是，我不应该像 IMG_00001.jpeg、IMG_00002.jpeg 等等？

问候。

Answer 1

按以下代码行使用 AssetsLibrary

#import <AssetsLibrary/AssetsLibrary.h>

比

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

 NSURL *refURL = [info valueForKey:UIImagePickerControllerReferenceURL];

ALAssetsLibraryAssetForURLResultBlock resultblock = ^(ALAsset *imageAsset)
{
ALAssetRepresentation *imageRep = [imageAsset defaultRepresentation];
NSLog(@"[imageRep filename] : %@", [imageRep filename]);
};

// get the asset library and fetch the asset based on the ref url
ALAssetsLibrary* assetslibrary = [[ALAssetsLibrary alloc] init];
[assetslibrary assetForURL:refURL resultBlock:resultblock failureBlock:nil];