一、相关代码
数据库配置类 MongoDBConn.py

复制代码 代码如下:
#encoding=utf-8
\’\’\’

Mongo Conn连接类
\’\’\’

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

MongoDemo.py 类

复制代码 代码如下:
#encoding=utf-8
\’\’\’

Mongo操作Demo
Done:
\’\’\’
import MongoDBConn

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

def process():
    #建立连接
    dbconn.connect()
    global conn
    conn = dbconn.getConn()

    #列出server_info信息
    print conn.server_info()

    #列出全部数据库
    databases = conn.database_names()
    print databases

    #删除库和表
    dropTable()
    #添加数据库lifeba及表(collections)users
    createTable()
    #插入数据
    insertDatas()
    #更新数据
    updateData()
    #查询数据
    queryData()
    #删除数据
    deleteData()

    #释放连接
    dbconn.close()

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

def updateData():
    \’\’\’只修改最后一条匹配到的数据
           第3个参数设置为True,没找到该数据就添加一条
           第4个参数设置为True,有多条记录就不更新
    \’\’\’
    lifeba_users.update({\’name\’:\’steven1\’},{\’$set\’:{\’realname\’:\’测试1修改\’}}, False,False)

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

def queryData():
    #查询全部数据
    rows = lifeba_users.find()
    printResult(rows)
    #查询一个数据
    print lifeba_users.find_one()
    #带条件查询
    printResult(lifeba_users.find({\’name\’:\’steven2\’}))
    printResult(lifeba_users.find({\’name\’:{\’$gt\’:25}}))

def createTable():
    \’\’\’创建库和表\’\’\’
    global lifeba_users
    lifeba_users = conn.lifeba.users

def dropTable():
    \’\’\’删除表\’\’\’
    global conn
    conn.drop_database(\”lifeba\”)

def printResult(rows):
    for row in rows:
        for key in row.keys():#遍历字典
            print row[key], #加, 不换行打印
        print \’\’

if __name__ == \’__main__\’:
    process()