在Swift中UIImageWriteToSavedPhotosAlbum之后的图像的URL [英] URL of image after UIImageWriteToSavedPhotosAlbum in Swift

问题描述

在我用相机拍照后，我使用以下代码保存图像：

After i took a photo with the camera i save the image with the following code:

UIImageWriteToSavedPhotosAlbum(image, self,"image:didFinishSavingWithError:contextInfo:", nil)

这会将图像保存在相机胶卷中。此外，我想将URL保存到Core Data中保存的图像。是否可以检索URL（或路径）以便我只需要保存此URL而不是Core Data中的完整图像？

This saves the image in the camera roll. Additionally i want to save the URL to this saved image in Core Data. Is it possible to retrieve the URL (or the Path) to so that i only need to save this URL and not the full image in Core Data?

推荐答案

在阅读了很多用ObjectivC编写的答案后，我终于想出了如何用Xcode 6.2在Swift中写这个：

After reading a lot of answers written in ObjectivC i finally figured out how to write this in Swift with Xcode 6.2:

ALAssetsLibrary().writeImageToSavedPhotosAlbum(image.CGImage, orientation: ALAssetOrientation(rawValue: image.imageOrientation.rawValue)!,
            completionBlock:{ (path:NSURL!, error:NSError!) -> Void in
                println("\(path)")
        })

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