fsPromises.open(path, flags[, mode])

    打开 <FileHandle>

    Opens a <FileHandle>.

    Refer to the POSIX open(2) documentation for more detail.

    Some characters (< > : " / \ | ? *) are reserved under Windows as documented by Naming Files, Paths, and Namespaces. Under NTFS, if the filename contains a colon, Node.js will open a file system stream, as described by this MSDN page.