node.js - 如何获取操作系统平台用户数据文件夹
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node.js - how to get the OS platforms user data folder
提问by kabal
I am looking for a way to get the userdata folder using Node.js, that will work on both Windows and macOS.
我正在寻找一种使用 Node.js 获取 userdata 文件夹的方法，该方法适用于 Windows 和 macOS。
The Node.js instance would be running on the user's machine.
Node.js 实例将在用户的机器上运行。
I need something that returns the following:
我需要一些返回以下内容的东西：
C:\Documents and Settings\JohnD\Application Data(Windows XP)C:\Users\JohnD\AppData\Roaming(Windows Vista and Up)/Users/JohnD/Library/Preferences(macOS)
C:\Documents and Settings\JohnD\Application Data(Windows XP)C:\Users\JohnD\AppData\Roaming（Windows Vista 及更高版本）/Users/JohnD/Library/Preferences（苹果系统）
Is this possible?
这可能吗？
采纳答案by Andrei Karpushonak
You can check user environment which is stored in process.env
您可以检查存储在process.env 中的用户环境
Also, take a look at process.platform
另外，看看process.platform
To be specific:
再具体一点：
% node
> console.log(process.env.HOME)
/Users/miktam
> console.log(process.platform)
darwin
Having this information, you will be able to achieve what you need.
有了这些信息，您将能够实现您的需求。
回答by Luke
Try the following:
请尝试以下操作：
process.env.APPDATA || (process.platform == 'darwin' ? process.env.HOME + '/Library/Preferences' : process.env.HOME + "/.local/share")
The expected result is:
预期的结果是：
OS X - '/Users/user/Library/Preferences'
OS X - '/Users/用户/Library/Preferences'
Windows 8 - 'C:\Users\user\AppData\Roaming'
Windows 8 - 'C:\Users\用户\AppData\Roaming'
Windows XP - 'C:\Documents and Settings\user\Application Data'
Windows XP - 'C:\Documents and Settings\ user\Application Data'
Linux - '/home/user/.local/share'
Linux - '/home/用户/.local/share'
