获取DirectoryEntry的完整路径 [英] Getting the full path of a DirectoryEntry

问题描述

有人知道如何在Chrome Packaged应用程序中获取 DirectoryEntry 对象的完整路径，无需任何折叠或其他快捷方式吗？

我在撰写谷歌浏览器打包应用程序。我的应用程序有一个按钮，用户可以使用 chrome.fileSystem API选择目录。当目录选择回到我的应用程序时，它由 DirectoryEntry 对象表示，该对象在 File API 。该对象在控制台中看起来像这样：

$ $ $ $ $ c $ DirectoryEntry {
filesystem：DOMFileSystem
fullPath：/ to_read
isDirectory：true
isFile：false
name：to_read
__proto__：DirectoryEntry
}

我使用的是Windows，目录的完整路径是

  C：\ Users \David\Desktop\to_read 
  

我想要一个函数那可以返回那条路径或其他东西。不幸的是，我发现的最接近的东西是 chrome.fileSystem.getDisplayPath ，但返回以下内容：

 〜\Desktop\to_read 
  

来自 getDisplayPath 的返回值对于因为我想获得目录的全名（包括驱动器），所以我可以将它与其他完整目录路径进行比较。

我试过调用 toURL（）放在 DirectoryEntry 中，并返回一个空字符串。

关于我的项目：我想以Chrome Packaged App的身份编写iTunes资料库同步器。 iTunes资料库XML文件包含完整路径，如 file：// localhost / D：/David/Music/Bob/Bob%20Album/01%20Bob.mp3 。用户将给我的应用程序访问他的音乐文件夹，我希望能够告诉他是否允许我访问正确的文件夹。

这是目前（2014-01-10）不是Chrome的一个功能，但我已经建议它，他们正在努力：

https://code.google.com/p/chromium/issues/detail?id = 322952

Does anyone know how to get the full path of a DirectoryEntry object in a Chrome Packaged App, without any tildes or other shortcuts?

I am writing a Google Chrome Packaged App. My app has a button where a user can choose a directory using chrome.fileSystem API. When the directory choice comes back to my app, it is represented by a DirectoryEntry object, which is defined in the File API. The object looks like this in the console:

DirectoryEntry {
  filesystem: DOMFileSystem
  fullPath: "/to_read"
  isDirectory: true
  isFile: false
  name: "to_read"
  __proto__: DirectoryEntry
}

I am using Windows and the full path of the directory is

C:\Users\David\Desktop\to_read

I would like a function that can return that path or something close. Unfortunately, the closest thing I found is chrome.fileSystem.getDisplayPath, but that returns the following:

~\Desktop\to_read

The return value from getDisplayPath is not useful to me, because I want to get the full name of the directory (including the drive) so I can compare it to some other full directory paths I have.

I tried calling toURL() on the DirectoryEntry and it returned an empty string.

A bit about my project: I want to write an iTunes library synchronizer as a Chrome Packaged App. The iTunes library XML file contains full paths like file://localhost/D:/David/Music/Bob/Bob%20Album/01%20Bob.mp3. The user will give my app access to his music folders, and I want to be able to tell if he gave me access to the right folders.

解决方案

This is currently (2014-01-10) not a feature of Chrome, but I have suggested it and they are working on it:

https://code.google.com/p/chromium/issues/detail?id=322952

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