UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd0 in position 140: invalid continuation byte

web阅片系统，遇到dicom文件在文件夹不能正常读取的问题。解决方法如下：

def rep7(request):
    file_path = os.path.dirname(__file__) + request.path
    with open(file_path, 'rb') as file:
        response = HttpResponse(file)
    response['Content-Type'] = 'application/dicom'
    return response