def next_qr():
session_id = request.args.get('sessionId')
try:
with connection.cursor() as cursor:
random_num = random.randint(10000, 99999)
qr_string = "_{}_{}".format(session_id, random_num)
qr_code = QRCode(qr_string)
qr_code.svg('C:\Apache24\htdocs\qr.svg', scale=5)
sql = "update session set qr = %s, updated_at = %s where id = %s"
now = datetime.datetime.now()
time_format = now.strftime("%Y-%m-%d %H:%M:%S")
cursor.execute(sql, (qr_string, time_format, session_id))
connection.commit()
except Exception as exception:
return exception
finally:
return "http://localhost/qr.svg"
#-*-coding:UTF-8 -*-
# EX08_01.py
#
# pyqrcode 使用範例
#
from pyqrcode import QRCode
url = QRCode('http://www.ntu.edu.tw')
#輸出SVG格式檔案:url.svg ,縮放比為10
url.svg('url.svg', scale=10)
#輸出PNG格式檔案:url.png ,縮放比為10
url.png('url.png', scale=10)
def print_cli_qrcode(self):
self.uuid = self.get_login_uuid()
qr_code = QRCode(WeChatMeta.URL['qr_code'] + self.uuid)
qr_code.svg('uca-url.svg', scale=6)
print(qr_code.terminal(quiet_zone=1))
def generate_qrcode(cls, uuid):
qr_storage = io.BytesIO()
qr_code = QRCode(WeChatMeta.URL['qr_code'] + uuid)
qr_code.svg(qr_storage, scale=10)
return qr_storage.getvalue()
from pyqrcode import QRCode
ur1 = QRCode('http://www.ntu.edu.tw')
ur1.svg('ur1.svg', scale=10)
ur1.png('ur1.png', scale=10)
