如何让App内JS文件读取TXT文件及定位隐藏Documents中的文件？

Got it, let's break this down step by step. First, we'll get that hidden file visible so you can track down its exact path, then fix the accessibility issue so your JavaScript can read it properly.

Step 1: Show Hidden Files/Folders on Your OS #

Windows #

• Open File Explorer and head to the parent folder of your Documents directory (usually C:\Users\[YourUsername]).
• Press Ctrl + Shift + . (period) to toggle hidden items on—you’ll see the faded hidden Documents folder pop up.
• Alternatively, use the top menu bar: View > Show > Hidden items.

macOS #

• Open Finder, then hit Cmd + Shift + . (period) to instantly reveal hidden files and folders. Use the same shortcut again to hide them later.
• If that doesn’t work, open Terminal and run this command:

  defaults write com.apple.finder AppleShowAllFiles YES
  

  Then restart Finder by holding Option, right-clicking the Finder icon in the dock, and selecting Relaunch.

Linux #

• Open your file manager (like Nautilus for GNOME or Dolphin for KDE).
• Press Ctrl + H to toggle hidden items on—this is the standard shortcut for most Linux file managers.
• Or in Terminal, navigate to your home directory and list all files (including hidden ones) with:

  ls -a
  

Step 2: Grab the Exact File Path #

Once you can see the TXT file, right-click it to copy its full path:

• Windows: Go to Properties > General > Location and copy the full path (e.g., C:\Users\YourName\Documents\your-file.txt).
• macOS: Select Get Info > Where, then right-click the displayed path and choose Copy as Pathname.
• Linux: Open Properties > Basic > Location and copy the full path.

Step 3: Make the File Accessible to JavaScript #

The core problem here is that hidden system directories often have restricted permissions, which blocks your JS from accessing the file. Here are two reliable fixes:

Option 1: Move the File to a Public, Non-Hidden Folder #

The simplest fix is to relocate your TXT file to a folder with open access, like:

• Windows: C:\Users\YourName\Desktop or C:\Users\YourName\Public
• macOS: /Users/YourName/Desktop or /Users/Shared
• Linux: /home/YourName/Desktop or /tmp (note: /tmp clears when you reboot)

Then update your JS script to use this new, accessible path.

Option 2: Adjust File Permissions (Advanced) #

If you need to keep the file in the hidden Documents folder, tweak its permissions to let your JS runtime (like Node.js) read it:

• Windows: Right-click the file > Properties > Security > Edit > Add your user account and grant Read & Execute permissions.
• macOS/Linux: Open Terminal and run this command (replace /path/to/your/file.txt with your actual file path):

  chmod 644 /path/to/your/file.txt
  

  This gives read access to all users, which should unblock your JS script.

Quick note: If you’re running JS in a web browser, most modern browsers block local file access for security reasons. In that case, you’ll need to host the TXT file on a local/remote web server, or use a file input element to let users select the file manually.

内容的提问来源于stack exchange，提问作者Bradlington