pymongo使用

pip install pymongo

import pymongo

1. 创建数据库

myclient = pymongo.MongoClient("mongodb://localhost:27017/")
mydb = myclient["db_test"]

2. 判断数据库存在

myclient = pymongo.MongoClient('mongodb://localhost:27017/')
dblist = myclient.list_database_names()
if "db_test" in dblist: print("数据库已存在！")

3. …