AI展示框架(2)：flask图像上传无法输入为图像识别程序的PIL图像的问题解决

image = Image.open(request.files["fullimage"])

image = Image.open(request.files["fullimage"].read())

img = Image.open(request.files['file'].stream)

def open(fp, mode="r"):
    """
    Opens and identifies the given image file.
    This is a lazy operation; this function identifies the file, but
    the file remains open and the actual image data is not read from
    the file until you try to process the data (or call the
    :py:meth:`~PIL.Image.Image.load` method).  See
    :py:func:`~PIL.Image.new`. See :ref:`file-handling`.
    :param fp: A filename (string), pathlib.Path object or a file object.
       The file object must implement :py:meth:`~file.read`,
       :py:meth:`~file.seek`, and :py:meth:`~file.tell` methods,
       and be opened in binary mode.
    :param mode: The mode.  If given, this argument must be "r".
    :returns: An :py:class:`~PIL.Image.Image` object.
    :exception IOError: If the file cannot be found, or the image cannot be
       opened and identified.
    """

    if mode != "r":
        raise ValueError("bad mode %r" % mode)

    exclusive_fp = False
    filename = ""
    if isPath(fp):
        filename = fp
    elif HAS_PATHLIB and isinstance(fp, Path):
        filename = str(fp.resolve())

    if filename:
        fp = builtins.open(filename, "rb")
        exclusive_fp = True

    try:
        fp.seek(0) # 在此打开文件流
    except (AttributeError, io.UnsupportedOperation):
        fp = io.BytesIO(fp.read())
        exclusive_fp = True