引用pymongo
>>>
import
pymongo
建立連線connection
>>> import pymongo
>>> conn
=pymongo.connection(
'localhost',
27017)
或import
>>> conn
=connection(
'localhost',
27017)
建立connection時,指定host及port引數
>>> import pymongo
>>>
連線資料庫
>>> db
=conn.chatroom
或》db
=conn[
'chatroom']
連線聚集
>>>account = db.account
或 >>>account
=db[
"account"]
檢視全部聚集名稱
>>>db.collection_names()
檢視聚集的一條記錄
>>>
db.account.find_one()
>>>
db.account.find_one()
檢視聚集的字段
>>>
db.account.find_one({},)
>>>
db.account.find_one({},)
檢視聚集的多條記錄
>>>
foritem
indb.account.find():
item
>>>
foritem
indb.account.find():
item[
"username"]
檢視聚集的記錄統計
>>>
db.account.find().count()
>>>
db.account.find().count()
聚集查詢結果排序
>>>
db.account.find().sort(
"username
") --預設為公升序
>>>
db.account.find().sort(
"username
",pymongo.ascending) --公升序
>>>
db.account.find().sort(
"username
",pymongo.descending) --降序
聚集查詢結果多列排序
>>>
db.account.find().sort([(
"username
",pymongo.ascending),(
",pymongo.descending)])
新增記錄
>>>
db.account.insert()
修改記錄
>>>
db.account.update(,})
刪除記錄
>>>
db.account.remove()
--全部刪除
>>>
db.test.remove()
PyMongo基本使用
引用pymongo import pymongo 建立連線connection import pymongo conn pymongo.connection localhost 27017 或 from pymongo import connection conn connection localh...
PyMongo基本使用
引用pymongo import pymongo 建立連線connection import pymongo conn pymongo.connection localhost 27017 或 from pymongo import connection conn connection localh...
PyMongo基本使用
引用pymongo import pymongo 建立連線connection import pymongo conn pymongo.connection localhost 27017 或import conn connection localhost 27017 建立connection時,指...