#!/usr/bin/python # -*- coding: UTF-8 -*- """ Created by liaoyangyang1 on 2018/8/21 下午3:51. """ from flask_login import LoginManager #第三课新增 # Set up Flask-Login login_manager = LoginManager() #第三课新增 login_manager.session_protection = 'strong' #第三课新增 login_manager.login_view = 'account.login' #第三课新增

#!/usr/bin/python # -*- coding: UTF-8 -*- """ Created by liaoyangyang1 on 2018/8/21 下午2:41. """ import os from flask import Flask from config.config import config from backend.urls import register from backend.models import db #第二课增加内容 from backend.views import login_manager #第三课增加内容 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) BASE_TEMPLATE_FOLDER = os.path.join(BASE_DIR,'frontend') def create_app(): #初始化项目实例 app = Flask(__name__,template_folder=BASE_TEMPLATE_FOLDER,static_folder=os.path.join(BASE_DIR,'frontend','static')) app.secret_key = app.config['SECRET_KEY'] #导入配置项 app.config.from_object(config) # 注册路由 register(app) # 注册数据库 db.init_app(app) #第二课增加内容 #注册登录组件 login_manager.init_app(app) #第三课增加内容 # 钩子 在请求执行之前  @app.before_request def before_request(): print('hi') return app

#!/usr/bin/python # -*- coding: UTF-8 -*- """ Created by liaoyangyang1 on 2018/8/22 上午9:40. """ from flask import Blueprint,request,render_template,jsonify,flash #第二课增加内容 from flask import redirect,url_for,current_app from backend.models.UserModel import User from backend.models import db from flask_login import login_user,login_required,logout_user #第三课增加内容 #账户的蓝图 访问http://host:port/account 这个链接的子链接，都会跳到这里 account = Blueprint('account', __name__) #第二课增加内容 # 访问http://host:port/account/register 这个链接，就会跳到这里 @account.route('/register',methods=(["GET","POST"])) #第二课增加内容 #上面的链接，绑定的就是这个方法，我们给浏览器或者接口请求 一个json格式的返回 def register(): #第二课增加内容 if request.method == 'POST': form = request.form user = User(username=form['username'],email=form['email'],password=form['password']) db.session.add(user) db.session.commit() return jsonify(form) return render_template('/account/register.html') @account.route('/login',methods=(["GET","POST"])) def login(): #第三课内容 if request.method == "POST": form = request.form #获取登录表单 user = User.query.filter_by(username=form['username']).first() #查出用户信息 if user is not None and user.password_hash is not None and user.verify_password(form['password']): #检查密码是否正确 login_user(user,True) #登录操作 flash('You are now logged in. Welcome back!', 'success') return redirect( url_for(request.args.get('next') or 'admin.index')) else: flash('Invalid email or password.', 'error') return render_template('/account/login.html') @account.route('/logout') @login_required def logout(): logout_user() flash('You have been logged out.', 'info') return redirect(url_for('admin.index'))

' % self.username\n\nclass AnonymousUser(AnonymousUserMixin): #第三课新增\n    def can(self, _):\n        return False\n\n    def is_admin(self):\n        return False\n\n\nlogin_manager.anonymous_user = AnonymousUser   #第三课新增\n\n\n@login_manager.user_loader  \ndef load_user(user_id): #第三课新增\n    return User.query.get(int(user_id))","classes":{"has":1}}" data-cke-widget-upcasted="1" data-cke-widget-keep-attr="0" data-widget="codeSnippet">#!/usr/bin/python # -*- coding: UTF-8 -*- """ Created by liaoyangyang1 on 2018/8/22 下午1:50. """ from flask_login import UserMixin,AnonymousUserMixin #第二课增加内容 from werkzeug.security import check_password_hash, generate_password_hash #第二课增加内容 from backend.models import db #第二课增加内容 from backend.views import login_manager #第三课新增 class User(UserMixin, db.Model): #第二课增加内容 __tablename__ = 'users' #这是我们将来建出来的表的表名，在这里定义，下面的都是字段名和字段类型长度这些 id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(64), index=True) email = db.Column(db.String(64), unique=True, index=True) password_hash = db.Column(db.String(128)) #脱敏  @property def password(self): #第二课增加内容 raise AttributeError('`password` is not a readable attribute') #加密  @password.setter def password(self, password): #第二课增加内容 self.password_hash = generate_password_hash(password) #校验密码 def verify_password(self, password): #第二课增加内容 return check_password_hash(self.password_hash, password) #查询返回的格式 def __repr__(self): #第二课增加内容 return '' % self.username class AnonymousUser(AnonymousUserMixin): #第三课新增 def can(self, _): return False def is_admin(self): return False login_manager.anonymous_user = AnonymousUser #第三课新增 @login_manager.user_loader def load_user(user_id): #第三课新增 return User.query.get(int(user_id))

 <title>My Applicationtitle> {% with messages = get_flashed_messages() %} {% if messages %} <ul class=flashes> {% for message in messages %} <li>{{ message }}li> {% endfor %} ul> {% endif %} {% endwith %} {% block body %}{% endblock %} 

Overview\n  {% if current_user.is_authenticated %}\n    
welcome ~ logout\n  {% else %}\n  
Do you want to log in?\n  {% endif %}\n{% endblock %}\n","classes":{"has":1}}" data-cke-widget-upcasted="1" data-cke-widget-keep-attr="0" data-widget="codeSnippet">{% extends "base/layout.html" %}
{% block body %}
  <h1>Overviewh1> {% if current_user.is_authenticated %} <p>welcome ~ <a href="/account/logout">logouta> {% else %} <p>Do you want to <a href="/account/login">log in?a> {% endif %} {% endblock %} 

#!/usr/bin/python # -*- coding: UTF-8 -*- """ Created by liaoyangyang1 on 2018/8/23 上午11:09. """ from flask import Blueprint,render_template from backend.account.views import login_required admin = Blueprint('admin', __name__) @admin.route('/') def index(): return render_template('/base/index.html')