python 链接mongo数据库说明

1. 准备

  1.1 安装python链接mongo的模块

        pip install pymongo

2.实例代码

   

from pymongo import MongoClient # username:用户名，password：账号密码，localhost：数据库IP，dbname：数据库名client = MongoClient("mongodb://username:password@localhost:27017/dbname")# get dbdb = client.get_default_database()# get 数据库表名称：tableNamescollection = db.tableNames# 数据查询datas = collection.find({'field': "value"})for data in datas:   print(data)