如何获取从 iPhone 的照片库中选取的图像的名称？

我正在从 iphone 应用程序的照片库中挑选一张图像。我将如何检索实际的图像名称。

在.h类中

UIImageView * imageView;

UIButton * choosePhotoBtn;

在 .m 级

-(IBAction) getPhoto:(id) sender 
{
    UIImagePickerController * picker = [[UIImagePickerController alloc] init];
    picker.delegate = self;
    if((UIButton *) sender == choosePhotoBtn)
    {
        picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    }
    else 
    { 
        picker.sourceType = UIImagePickerControllerSourceTypeCamera;
    }
    [self presentModalViewController:picker animated:YES];
}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info 
{
    [picker dismissModalViewControllerAnimated:YES];
    imageView.image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
}

我如何获得图像的实际名称？

我是 iPhone 新手。请帮我。

提前致谢。

在您的文件中导入 AssetsLibrary：

#import <AssetsLibrary/AssetsLibrary.h>

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

put

// get the ref url
NSURL *refURL = [info valueForKey:UIImagePickerControllerReferenceURL];

// define the block to call when we get the asset based on the url (below)
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 (pass in block above)
ALAssetsLibrary* assetslibrary = [[ALAssetsLibrary alloc] init];
[assetslibrary assetForURL:refURL resultBlock:resultblock failureBlock:nil];

这样您就可以在日志中获取图像名称。

*不要忘记添加现有框架：AssetsLibrary.framework 脚步：

1. 在项目导航器中，选择您的项目
2. 选择您的目标
3. 选择“构建阶段”选项卡
4. 打开“链接二进制文件与库”扩展器
5. 单击“+”按钮
6. 选择您的框架
7. （可选）将添加的框架拖放到“框架”组中

Source: & 如何在 Xcode 4 中“添加现有框架”？