MongoDB Note6: MongoEngine

0. 官方文档

• mongoengine是对pymongo的进一步封装

1. 安装

pip install mongoengine

2. 连接

2.1 连接方式一（推荐）

from mongoengine import *
from datetime import datetime
connect('demo', alias='db1', host="192.168.92.145", port=27017,
        username='demodb', password='password',)

class Categories(Document):
    ' 继承Document类,为普通文档 '
    name = StringField(max_length=30, required=True)
    artnum = IntField(default=0, required=True)
    date = DateTimeField(default=datetime.now(), required=True)
    meta = {"db_alias": "db1", "collection": "permissao"}

# 如果required为True则必须赋予初始值,如果有default,赋予初始值则使用默认值
cate = Categories(name="Linux")
cate.save()  # 保存到数据库

2.2 连接方式二：url连接

from mongoengine import *
from datetime import datetime

connect(host="mongodb://demodb:password@192.168.92.145:27017/demo")

# 定义分类文档
class Categories(Document):
    ' 继承Document类,为普通文档 '
    name = StringField(max_length=30, required=True)
    artnum = IntField(default=0, required=True)
    date = DateTimeField(default=datetime.now(), required=True)

# 如果required为True则必须赋予初始值,如果有default,赋予初始值则使用默认值
cate = Categories(name="Linux")
cate.save()  # 保存到数据库

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https://www.cnblogs.com/zhenyauntg/p/13201826.html