比蒙戈：如何找到收藏？

Question

如何使用不带if语句的变量查找集合

app = Flask(__name__)
app.config["MONGO_URI"] = "mongodb+srv://user:password@dataprofiles-pcdlh.mongodb.net/Profiles?retryWrites=true&w=majority"
mongo = PyMongo(app)

def page(page_id):
    if page_id == 'wellness':
        cards = [card for card in mongo.db.wellness.find()]
    if page_id == 'ratemds':
        cards = [card for card in mongo.db.ratemds.find()]

Answer 1

如果我取消重新启动并回答您的问题，那么您正试图引用基于变量名的MongoDB集合

pymongo通过以下构造支持这一点：

db[<string variable>].find()

你的例子是：

def page(page_id):
    cards = [card for card in mongo.db[page_id].find()]