<a class="download_file" href="#">下载</a></td>
$(".download_file").click(function(){
var id = *****;
this.download= id ;
this.href='download_file/'+id
});
@app.route("/download_file/<id>")
def download_file(id):
file_stream = #文件流
filename = 'abc.abc'
resp = Response(file_stream, content_type='application/octet-stream')
resp.headers["Content-disposition"] = 'attachment; filename=%s' % filename
return resp
