mymongo 基础操作

插入数据

import?datetime
import?pymongo
from?pymongo?import?MongoClient

mclient?=?MongoClient('192.168.3.110',?27017,?connect=False)
mdb?=?mclient.test_database

posts=mdb.posts

new_posts?=?[{"author":?"Mike",??????????????"text":?"Another?post!",??????????????"tags":?["bulk",?"insert"],??????????????"date":?datetime.datetime(2009,?11,?12,?14)},?????????????{"author":?"Eliot",??????????????"title":?"MongoDB?is?fun",??????????????"text":?"and?pretty?easy?too!",?10,?45)}]
??????????????
result?=?posts.insert_many(new_posts)
print(posts.count_documents({}))

创建索引

import?pymongo
from?pymongo?import?MongoClient

mclient?=?MongoClient('192.168.3.110',?connect=False)
mdb?=?mclient.test_database

posts=mdb.posts

posts.create_index([('author',?1)],)

获取当前集合的索引字段

posts=mdb.posts

posts.index_information()

删除索引

posts=mdb.posts

posts.drop_index('authorIdx')
or
posts.drop_index({?"author"?:?1?})

https://docs.mongodb.com/manual/reference/method/db.collection.dropIndex/index.html

（编辑：李大同）

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