views.py 文件源码

def gen_face_pay_qrcode(request):
    '''?????????'''
    try:
        # ?seesion?????????
        url = request.session.get('code_url', '')
        # ?????????
        record = AlipayRequest.objects.create(username=request.user,
                                              info_code=request.session['out_trade_no'],
                                              amount=request.session['amount'],)
        # ??sessions??
        del request.session['code_url']
        del request.session['amount']
        # ??ss???
        img = qrcode.make(url)
        buf = BytesIO()
        img.save(buf)
        image_stream = buf.getvalue()
        # ????reponse
        response = HttpResponse(image_stream, content_type="image/png")
        return response
    except:
        return HttpResponse('wrong request')