作者： wyh草樣

出處：https://www.cnblogs.com/wyh0923/p/14047466.html

1、數(shù)據(jù)庫配置類 MongoDBConn.py

#encoding=utf-8’’’Mongo Conn連接類’’’import pymongoclass 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DemoDone:’’’import MongoDBConndbconn = MongoDBConn.DBConn()conn = Nonelifeba_users = Nonedef process(): #建立連接 dbconn.connect() global conn conn = dbconn.getConn() #列出server_info信息 print conn.server_info() #列出全部數(shù)據(jù)庫 databases = conn.database_names() print databases #刪除庫和表 dropTable() #添加數(shù)據(jù)庫lifeba及表(collections)users createTable() #插入數(shù)據(jù) insertDatas() #更新數(shù)據(jù) updateData() #查詢數(shù)據(jù) queryData() #刪除數(shù)據(jù) deleteData() #釋放連接 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(): ’’’只修改最后一條匹配到的數(shù)據(jù) 第3個參數(shù)設置為True,沒找到該數(shù)據(jù)就添加一條 第4個參數(shù)設置為True,有多條記錄就不更新 ’’’ lifeba_users.update({’name’:’steven1’},{’$set’:{’realname’:’測試1修改’}}, False,False)def deleteData(): lifeba_users.remove({’name’:’steven1’})def queryData(): #查詢全部數(shù)據(jù) rows = lifeba_users.find() printResult(rows) #查詢一個數(shù)據(jù) print lifeba_users.find_one() #帶條件查詢 printResult(lifeba_users.find({’name’:’steven2’})) printResult(lifeba_users.find({’name’:{’$gt’:25}}))def createTable(): ’’’創(chuàng)建庫和表’’’ global lifeba_users lifeba_users = conn.lifeba.usersdef 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, 不換行打印 print ’’if __name__ == ’__main__’: process()

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