Python访问MongoDB,并且转换成Dataframe的方法-创新互联
如下所示:

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2018/7/13 11:10
# @Author : baoshan
# @Site :
# @File : pandans_pymongo.py
# @Software: PyCharm Community Edition
import pymongo
import pandas as pd
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo. """
if username and password:
mongo_uri = "mongodb://%s:%s@%s:%s/%s" % (username, password, host, port, db)
conn = pymongo.MongoClient(mongo_uri)
else:
conn = pymongo.MongoClient(host, port)
return conn[db]
def read_mongo(db, collection, query={}, host='test43', port=27017, username=None, password=None, no_id=True):
""" Read from Mongo and Store into DataFrame. """
# Connect to MongoDB
db = _connect_mongo(host=host, port=port, username=username, password=password, db=db)
# Make a query to the specific DB and Collection
cursor = db[collection].find(query).limit(10)
# Expand the cursor and construct the DataFrame
df = pd.DataFrame(list(cursor))
df.to_csv("abc.csv", encoding="utf_8_sig") # 处理中文乱码问题
if no_id:
del df['_id']
return df
read_mongo(db='service', collection='trace_log_regular', query={}, host='xxx', port=27017, username="xxx", password="xxx")另外有需要云服务器可以了解下创新互联scvps.cn,海内外云服务器15元起步,三天无理由+7*72小时售后在线,公司持有idc许可证,提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案,具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势,专为企业上云打造定制,能够满足用户丰富、多元化的应用场景需求。
新闻名称:Python访问MongoDB,并且转换成Dataframe的方法-创新互联
转载来源:http://www.jxjierui.cn/article/ddddod.html


咨询
建站咨询
