IOS获取系统相册图片

@interface ViewController ()<UINavigationControllerDelegate, UIImagePickerControllerDelegate>

@end

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

UIImagePickerController *vc = [UIImagePickerController new];
//有三种  照相机  文件夹   相册
//    vc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
vc.delegate = self;
vc.allowsEditing = YES;
[self presentViewController:vc animated:YES completion:nil];

}

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{

NSLog(@"%@",info);
UIImage *image= info[@"UIImagePickerControllerEditedImage"];

UIImageView *iv = [[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 200, 200)];
iv.image = image;
[self.view addSubview:iv];

[self dismissViewControllerAnimated:YES completion:nil];
}