1、資料庫配置類 MongoDBConn.py

#encoding=utf-8
'''

Mongo Conn連線類
'''

import pymongo

class DBConn:
 conn = None
 servers = "mongodb://localhost:27017"

 def connect(self):
 self.conn = pymongo.Connection(self.servers)

 def close(self):
 return self.conn.disconnect()

 def getConn(self):
 return self.conn

 

2、ngoDemo.py 類

#encoding=utf-8
'''

Mongo操作Demo
Done:
'''
import MongoDBConn

dbconn = MongoDBConn.DBConn()
conn = None
lifeba_users = None

def process():
 #建立連線
 dbconn.connect()
 global conn
 conn = dbconn.getConn()

 #列出server_info資訊
 print conn.server_info()

 #列出全部資料庫
 databases = conn.database_names()
 print databases

 #刪除庫和表
 dropTable()
 #新增資料庫lifeba及表(collections)users
 createTable()
 #插入資料
 insertDatas()
 #更新資料
 updateData()
 #查詢資料
 queryData()
 #刪除資料
 deleteData()

 #釋放連線
 dbconn.close()

def insertDatas():
 datas=[{"name":"steven1","realname":"測試1","age":25},
 {"name":"steven2","realname":"測試2","age":26},
 {"name":"steven1","realname":"測試3","age":23}]
 lifeba_users.insert(datas)

def updateData():
 '''只修改最後一條匹配到的資料
 第3個引數設定為True,沒找到該資料就新增一條
 第4個引數設定為True,有多條記錄就不更新
 '''
 lifeba_users.update({'name':'steven1'},{'$set':{'realname':'測試1修改'}}, False,False)

def deleteData():
 lifeba_users.remove({'name':'steven1'})

def queryData():
 #查詢全部資料
 rows = lifeba_users.find()
 printResult(rows)
 #查詢一個數據
 print lifeba_users.find_one()
 #帶條件查詢
 printResult(lifeba_users.find({'name':'steven2'}))
 printResult(lifeba_users.find({'name':{'$gt':25}}))

def createTable():
 '''建立庫和表'''
 global lifeba_users
 lifeba_users = conn.lifeba.users

def dropTable():
 '''刪除表'''
 global conn
 conn.drop_database("lifeba")

def printResult(rows):
 for row in rows:
 for key in row.keys():#遍歷字典
 print row[key], #加, 不換行列印
 print ''

if __name__ == '__main__':
 process()