filehandle.close()


    等待句柄上的任何未决操作完成后,关闭文件句柄。

    • Returns: <Promise> Fulfills with undefined upon success.

    Closes the file handle after waiting for any pending operation on the handle to complete.

    import { open } from 'node:fs/promises';
    
    let filehandle;
    try {
      filehandle = await open('thefile.txt', 'r');
    } finally {
      await filehandle?.close();
    }