flask + MongoDB 学习笔记（2）：增改删查数据库

增加数据

@app.route('/add')

def add():

user = mongo.db.users

user.insert({'username':'Bill' , 'password':'1111'})

return 'Added User!'

查找数据

@app.route('/find')

def find():

user = mongo.db.users

Bill = user.find_one({'username': 'Bill' })

return 'You found ' + Bill['name'] + '. His password is ' + Bill['password']

改动数据

@app.route('/update')

def update():

user = mongo.db.users

Bill = user.find_one({'username': 'Bill'})

Bill['password']  = '2222'

user.save(Bill)

return 'Updated Bill!'

删除数据

@app.route('/delete')

def delete():

user = mongo.db.users

Bill = user.find_one({'username': 'Bill'})

user.remove(Bill)

return 'Removed Bill!'