我相信您会做这样的事情(未经测试):
from flask import Response
response = Response()
response.headers.add('content-length', str(os.path.getsize(FILE_LOCATION)))
Flask / Werkzeug如何将HTTP内容长度标头附加到文件下载
我相信您会做这样的事情(未经测试):
from flask import Response
response = Response()
response.headers.add('content-length', str(os.path.getsize(FILE_LOCATION)))