mongoDB 练习笔记
start time: [2017-1-20 | 12:16]
1、mac 安装 mongo
# 终端代码
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install"
brew update
2、运行mango server
# 终端代码
mkdir ~/db/
mongo —dbpath ~/db/
3、插入数据
# python代码
from pymongo import MongoClient
client = MongoClient()
db = client.test
for i in range(1000):
# 插入到restaurants表
db.restaurants.insert_one({"name{}".format(i): "street {}".format(1000-i)})
# 插入到用户表
db.Users.insert_one({
"姓名": "Melissa Ramsey",
"年龄": "28",
"性别": "girl",
"地址": {
"街道": "2640 Lyndon Street",
"城市": "Wayne",
"省份": "PA",
"国家": "US",
},
'电话': "+1.6106863153",
})
# 插入到用户表，相对上一数据，增加了“男朋友”
db.Users.insert_one({
"姓名": "Edward Fernandez",
"年龄": "28",
"性别": "girl",
"地址": {
"街道": "4623 Cambridge Court",
"城市": "Fort Smith",
"省份": "AR",
"国家": "US",
},
'电话': "+1.4797858387",
'男朋友': "Emery Jones",
})
4、查询数据
4.1 普通查询
# python代码
for user in db.Users.find({'姓名': "Edward Fernandez"}):
print(user)
4.2、条件查询
# python代码
for user in db.Users.find({'$or': [{'姓名': "Edward Fernandez"}, {'电话': "+1.6106863153"}]}):
print(user)
5、数据修改
# python代码
new_user = db.Users.update_one(
{'男朋友': "Katelynn Lange"},
{"$set": {"男朋友": "Helen Roland"},
"$set": {"电话": "+1.5402494614"}}
)
