FireBase存储下载错误域= FIRStorageErrorDomain代码= -13000

Question

我目前正在尝试从github使用firebase存储的快速启动示例.只需上载图像,然后在加载视图后将其下载到另一个视图.我可以将图像上传到存储中,但是当我尝试下载图像时会发生此错误.

错误域= FIRStorageErrorDomain代码= -13000"发生未知错误,>请检查服务器响应." UserInfo = {bucket =****.appspot.com,> object = 379f921d-a0bb-44b5-b04e-f21cc7953848/485423329797/IMG_0003.JPG,ResponseErrorDomain = NSCocoaErrorDomain,NSDestinationFilePath =/file:/ Users/mark******/Library/Developer/CoreSim> ulator/Devices/B600E8B9-95ED-4963-8282-9CDD43B7C25D/data/Containers/Data/Application/8FFB7EB0-0AFD-4E10-AAB6-D7340F8E3DDB/Documents/myimage.jpg,NSLocalizedDescription = An发生未知错误,请检查服务器响应.,NSUserStringVariant =(Move),NSSourceFilePathErrorKey =/Users/mark******/Library/Developer/CoreSimula> tor/Devices/B600E8B9-95ED-4963-8282-> 9CDD43B7C25D /data/Containers/Data/Application/8FFB7EB0-0AFD-4E10-AAB6->D7340F8E3DDB/tmp/CFNetworkDownload_5ZmlMp.tmp,NSFilePath =/Users/mark******/Library/Developer/CoreSimulator/Devices/B6> 00E8B9 -95ED-4963-8282-> 9CDD43B7C25D/data/Containers/Data/Application/8FFB7EB0-0AFD-4E10-AAB6-> D7340F8E3DDB/tmp/CFNetworkDownload_5ZmlMp.tmp,NSUnderlyingError = 0x7f8036a682d0 {Error Domain = NSPOSIXErrorDomain Code = 2>"No suc h文件或目录"},ResponseErrorCode = 4}

我检查了Firebase存储方面的路径,文件路径是正确的,它似乎无法检索图像.

下载映像的代码位于下载文件的viewdidload()函数中

override func viewDidLoad() {
super.viewDidLoad()
storageRef = FIRStorage.storage().reference()

let paths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory,
    NSSearchPathDomainMask.UserDomainMask, true)
let documentsDirectory = paths[0]
let filePath = "file:\(documentsDirectory)/myimage.jpg"
let storagePath = NSUserDefaults.standardUserDefaults().objectForKey("storagePath") as! String

print("---------------")
print(filePath)
print("---------------")
print(storagePath)

// [START downloadimage]
storageRef.child(storagePath).writeToFile(NSURL.fileURLWithPath(filePath),
                                          completion: { (url, error) in
  if let error = error {
    print("Error downloading:\(error)")
    self.statusTextView.text = "Download Failed"
    return
  }
  self.statusTextView.text = "Download Succeeded!"
  self.imageView.image = UIImage.init(contentsOfFile: filePath)
})
// [END downloadimage]

}}

Answer 1

看起来这里的问题实际上是你的下载文件路径不正确(抛出的错误实际上是一个NSCocoaErrorDomain而不是网络问题 - 看起来我们的错误消息对于网络来说太具体了).

我看到的主要问题是你的文件路径看起来像/file:/Users/...我认为文件URL看起来像file:///Users/...

我通常像这样创建本地文件:

NSURL *tmpDirURL = [NSURL fileURLWithPath:NSTemporaryDirectory()];
NSURL *fileURL = [[tmpDirURL URLByAppendingPathComponent:@"hello"] URLByAppendingPathExtension:@"txt"];

您还可以使用NSHomeDirectoryForUser获取用户的基本目录.