2019独角兽企业重金招聘Python工程师标准>>> 
# 模型类
from sqlalchemy import Column, Integer, String
from application.database.mysqldb import Base
class UserModel(Base):
__tablename__ = 'user'
id = Column(Integer, primary_key=True)
name = Column(String)
def __init__(self, id=None, name=None):
self.id = id
self.name = name
# -*- coding: utf-8 -*-
# 数据库连接类
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
engine = create_engine("mysql+pymysql://root:[email protected]:3306/test?charset=utf8",
convert_unicode=True,
echo=True)
db_session = scoped_session(sessionmaker(autocommit=False,
autoflush=False,
bind=engine))
Base = declarative_base()
Base.db_session = db_session
Base.query = db_session.query_property()
def init_db():
# 在这里导入所有的可能与定义模型有关的模块，这样他们才会合适地
# 在 metadata 中注册。否则，您将不得不在第一次执行 init_db() 时
# 先导入他们。
Base.metadata.create_all(bind=engine)
# -*-coding: utf-8 -*-
# 控制器类
from flask import render_template, make_response, jsonify, request, flash
import json
from flask.views import View
from application.models.UserModel import UserModel
class User(View):
'''
用户类
'''
methods = ['GET', 'POST']
def dispatch_request(self):
user = UserModel.query.filter(UserModel.id == 2).first()
user_obj = {"id":user.id, "name":user.name}
return jsonify(user_obj)
class UserLogin(View):
methods = ['GET', 'POST']
def dispatch_request(self):
if request.method == 'POST':
username = request.form['username']
user = UserModel.query.filter(UserModel.name == username).first()
if user is None:
_user_save = UserModel(name=username)
UserModel.db_session.add(_user_save)
UserModel.db_session.commit()
flash(u"登陆失败！")
else:
UserModel.query.filter(UserModel.id > 2).update({UserModel.name:'tets2'})
UserModel.db_session.commit()
flash(u"登陆成功！")
return render_template('user/login.html')
else:
return render_template('user/login.html')
{% block head %}
{% block title %}{% endblock %} - My Webpage
{% endblock %}
{% with messages = get_flashed_messages() %}
{% if messages %}
-
{% for message in messages %}
- {{ message }} {% endfor %}
{% block content %}{% endblock %}
{% block footer %}
{% endblock %}
{% extends "common/header.html" %}
{% block head %}
{{ super() }}
{% endblock %}
{% block content %}
{% endblock %}
{% block footer %}
{{ super() }}
{% endblock %}