def post(self, *args, **kwargs):

        # content_type

        # filename

        # body

        file_data=self.request.files

        if file_data:

            if 'file' in file_data:

                if len(file_data['file']) ==1:

                    filename=file_data['file'][0]['filename']

                    content_type=file_data['file'][0]['content_type']

                    body=file_data['file'][0]['body']

                    my_dir = os.path.join(os.path.dirname(__file__), '..', 'log', 'vulnerability_database')

                    try:

                        if os.path.isdir(my_dir) is False:

                            os.makedirs(my_dir)

                        my_file = os.path.join(os.path.dirname(__file__), '..', 'log', 'vulnerability_database',filename)

                        with open(my_file,'wb') as f:

                            f.write(body)

                    except Exception as e:

                        msg_ret = self.get_response('error', '%s 写入失败'%(filename), [])

                        self.write(msg_ret)

                        return

                    ret_msg = writexml(self, filename)

                    self.write(ret_msg)

                    return

                else:

                    msg_ret = self.get_response('error', '只能传一个文件', [])

                    self.write(msg_ret)

            else:

                msg_ret = self.get_response('error', '没有找到file', [])

                self.write(msg_ret)

        else:

            msg_ret = self.get_response('error', [], [])

            self.write(msg_ret)

import os

    # my_file='/Users/xxx/Desktop/2019-08-26_2019-09-01.xml'

    my_file='/Users/xxx/Desktop/logo/1.png'

    url = 'http://127.0.0.1:7101/xx/xx'

    files = {'file': open(my_file, 'rb')}

    ret=requests.post(url,files=files)

    print(ret.text)