python生成小程序二维码

# 小程序二维码
import urllib.request
import urllib.parse
import json
import uuid


# 获取TOKEN
def getToken():
    appid = 'wx7ff20c012aba1cee'
    appsecret = '33afc5b6958cde9a540cf96a3122adba'
    # 这个是微信获取小程序码的接口
    url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={appid}&secret={appsecret}'.format(appid=appid,
                                                                                                                         appsecret=appsecret)
    # 准备一下头
    headers = {
        'User-Agent': 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
    }

    request = urllib.request.Request(url, headers=headers)
    response = urllib.request.urlopen(request)
    readData = response.read()
    readData = readData.decode('utf-8')
    obj = json.loads(readData)
    print(obj)
    print(obj['access_token'])
    return obj['access_token']


# 获取小程序码
def getACodeImage(device_id):
    token = getToken()
    # 这个是微信获取小程序码的接口
    url = 'https://api.weixin.qq.com/wxa/getwxacode?access_token={token}'.format(token=token)
    # 准备一下头

    headers = {
        'User-Agent': 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
    }
    # 用Post传值，这里值用JSON的形式
    values = {"path": "pages/addEquipment/addEquipment?device_id=" + device_id}
    # 将字典格式化成能用的形式,urlencode不能用
    # data = urllib.parse.urlencode(values).encode('utf-8')
    # 使用json.dumps的方式序列化为字符串，然后bytes进行编码
    data = json.dumps(values)
    data = bytes(data, 'utf8')
    # 创建一个request,放入我们的地址、数据、头
    request = urllib.request.Request(url, data, headers)
    # 将获取的数据存在本地文件
    readData = urllib.request.urlopen(request).read()
    random = str(uuid.uuid4())
    f = open(settings.BASE_DIR + '/'+'static/qr_code' + '/' + random + '.jpg', 'wb')
    f.write(readData)
    f.close()
    path = 'static/qr_code' + '/' + random + '.jpg'
    return path


# token = getToken()
# device_id = '2323'
# getACodeImage(device_id)