23 MongoDB高级 - 与python交互

1.安装python包

进入虚拟环境
sudo pip install pymongo
或源码安装
python setup.py

2.引入包pymongo

import pymongo

3.连接，创建客户端

client=pymongo.MongoClient("localhost", 27017)

4.获得数据库test1

db=client.test1

5.获得集合stu

stu = db.stu

6.添加文档

s1={name:'gj',age:18}
s1_id = stu.insert_one(s1).inserted_id

7.查找一个文档

s2=stu.find_one()

8.查找多个文档1

for cur in stu.find():
    print cur

9.查找多个文档2

cur=stu.find()
cur.next()
cur.next()
cur.next()

10.获取文档个数

print stu.count()