Xcode 10 • Swift 4.2 或更高版本
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
let documentsDirectoryURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
if let url = info[.mediaURL] as? URL {
do {
try FileManager.default.moveItem(at: url, to: documentsDirectoryURL.appendingPathComponent("videoName.mov"))
print("movie saved")
} catch {
print(error)
}
}
}
Xcode 8.3 • 斯威夫特 3.1
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String: Any]) {
let documentsDirectoryURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
if let fileURL = info[UIImagePickerControllerMediaURL] as? URL {
do {
try FileManager.default.moveItem(at: fileURL, to: documentsDirectoryURL.appendingPathComponent("videoName.mov")
print("movie saved")
} catch {
print(error)
}
}
}
斯威夫特 2
您应该使用 if let 来解开您的选项。NSData.dataWithContentsOfMappedFile
iOS8也被弃用了。尝试使用 NSData 方法初始化器 contentsOfURL:
注意:您还需要将 didFinishPickingMediaWithInfo 声明从更改[NSObject : AnyObject]
为[String : AnyObject]
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
if let fileURL = info[UIImagePickerControllerMediaURL] as? NSURL {
if let videoData = NSData(contentsOfURL: fileURL) {
print(videoData.length)
}
}
}
正如 Rob 所提到的,数据可能非常大,但是您应该将文件移动到文档文件夹而不是复制文件,如下所示:
let documentsDirectoryURL = try! NSFileManager().URLForDirectory(.DocumentDirectory, inDomain: .UserDomainMask, appropriateForURL: nil, create: true)
if let fileURL = info[UIImagePickerControllerMediaURL] as? NSURL {
do {
try NSFileManagerdefaultManager().moveItemAtURL(fileURL, toURL: documentsDirectoryURL.URLByAppendingPathComponent("videoName").URLByAppendingPathExtension("mov"))
print("movie saved")
} catch {
print(error)
}
}