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Merge pull request Show-Me-the-Code#106 from neo1218/neo1218
0023 yes
2 parents a53cc1f + 922ff6d commit 94a3172

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‎neo1218/0023/web/README.md‎

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web 留言簿
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======
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python flask框架编写的简单的留言簿<br/>
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功能: 用户登录留言。
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‎neo1218/0023/web/app/__init__.py‎

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# -*- coding: UTF-8 -*-
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# !/usr/bin/python
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# app文件
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from flask import Flask
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from flask.ext.bootstrap import Bootstrap
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from flask.ext.mail import Mail
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from flask.ext.moment import Moment
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from flask.ext.sqlalchemy import SQLAlchemy
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from flask.ext.login import LoginManager
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from config import config
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bootstrap = Bootstrap()
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mail = Mail()
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moment = Moment()
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db = SQLAlchemy()
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login_manager = LoginManager()
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login_manager.session_protection = 'strong'
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login_manager.login_view = 'auth.login'
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def create_app(config_name):
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# app 工厂函数(注册app蓝图)
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app = Flask(__name__)
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app.config.from_object(config[config_name])
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config[config_name].init_app(app)
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bootstrap.init_app(app)
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mail.init_app(app)
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moment.init_app(app)
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db.init_app(app)
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login_manager.init_app(app)
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from .main import main as main_blueprint
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app.register_blueprint(main_blueprint)
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from .auth import auth as auth_blueprint
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app.register_blueprint(auth_blueprint, url_prefix='/auth')
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return app
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‎neo1218/0023/web/app/auth/__init__.py‎

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from flask import Blueprint
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auth = Blueprint('auth', __name__)
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from . import views

‎neo1218/0023/web/app/auth/forms.py‎

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# -*- coding: UTF-8 -*-
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# !/usr/bin/python
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from flask.ext.wtf import Form
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from wtforms import StringField, PasswordField, BooleanField, SubmitField
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from wtforms.validators import Required, Length, Email, Regexp, EqualTo
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from wtforms import ValidationError
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from ..models import User
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class LoginForm(Form):
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email = StringField('Email', validators=[Required(), Length(1, 64),
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Email()])
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password = PasswordField('Password', validators=[Required()])
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remember_me = BooleanField('记住我')
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submit = SubmitField('登陆')
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class RegistrationForm(Form):
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email = StringField('Email', validators=[Required(), Length(1, 64),
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Email()])
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username = StringField('Username', validators=[
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Required(), Length(1, 64)])
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password = PasswordField('Password', validators=[
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Required(), EqualTo('password2', message='Passwords must match.')])
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password2 = PasswordField('Confirm password', validators=[Required()])
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submit = SubmitField('注册')
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def validate_email(self, field):
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if User.query.filter_by(email=field.data).first():
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raise ValidationError('邮箱已经注册!')
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def validate_username(self, field):
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if User.query.filter_by(username=field.data).first():
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raise ValidationError('用户名已经存在!')

‎neo1218/0023/web/app/auth/views.py‎

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# -*- coding: UTF-8 -*-
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# !/usr/bin/python
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from flask import render_template, redirect, request, url_for, flash
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from flask.ext.login import login_user, logout_user, login_required, \
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current_user
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from . import auth
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from .. import db
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from ..models import User
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from .forms import LoginForm, RegistrationForm
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@auth.route('/login', methods=['GET', 'POST'])
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def login():
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form = LoginForm()
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if form.validate_on_submit():
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user = User.query.filter_by(email=form.email.data).first()
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if user is not None and user.verify_password(form.password.data):
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login_user(user, form.remember_me.data)
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return redirect(request.args.get('next') or url_for('main.index'))
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flash('用户名或密码不正确!')
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return render_template('auth/login.html', form=form)
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@auth.route('/logout')
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@login_required
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def logout():
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logout_user()
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flash('你已经退出!.')
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return redirect(url_for('main.index'))
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@auth.route('/register', methods=['GET', 'POST'])
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def register():
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form = RegistrationForm()
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if form.validate_on_submit():
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user = User(email=form.email.data,
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username=form.username.data,
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password=form.password.data)
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db.session.add(user)
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flash('你现在可以登录了!')
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return redirect(url_for('auth.login'))
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return render_template('auth/register.html', form=form)

‎neo1218/0023/web/app/main/__init__.py‎

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from flask import Blueprint
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main = Blueprint('main', __name__)
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from . import views, errors

‎neo1218/0023/web/app/main/errors.py‎

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from flask import render_template
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from . import main
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@main.app_errorhandler(404)
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def page_not_found(e):
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return render_template('404.html'), 404
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@main.app_errorhandler(500)
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def internal_server_error(e):
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return render_template('500.html'), 500

‎neo1218/0023/web/app/main/forms.py‎

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# -*- coding: UTF-8 -*-
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# !/usr/bin/python
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from flask.ext.wtf import Form
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from wtforms import StringField, TextAreaField, BooleanField, SelectField,SubmitField
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from wtforms.validators import Required
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class PostForm(Form):
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body = TextAreaField("说点什么吧!",validators=[Required()])
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submit = SubmitField('提交')
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‎neo1218/0023/web/app/main/views.py‎

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# -*- coding: UTF-8 -*-
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#!/usr/bin/python
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from flask import render_template,url_for,redirect
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from flask.ext.login import current_user
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from .forms import PostForm
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from ..models import Post
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from .. import db
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from . import main
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@main.route('/',methods=['GET','POST'])
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def index():
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form = PostForm()
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if form.validate_on_submit():
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post = Post(body=form.body.data,
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author=current_user._get_current_object())
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db.session.add(post)
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return redirect(url_for('.index'))
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posts = Post.query.order_by(Post.timestamp.desc()).all()
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return render_template('index.html',form=form,posts=posts)
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‎neo1218/0023/web/app/models.py‎

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# -*- coding: UTF-8 -*-
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# !/usr/bin/python
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from werkzeug.security import generate_password_hash, check_password_hash
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from flask.ext.login import UserMixin
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from datetime import datetime
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from . import db, login_manager
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class User(UserMixin, db.Model):
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# 用户数据库表
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__tablename__ = 'users'
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id = db.Column(db.Integer, primary_key=True)
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email = db.Column(db.String(64), unique=True, index=True)
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username = db.Column(db.String(64), unique=True, index=True)
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password_hash = db.Column(db.String(128))
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posts = db.relationship('Post',backref="author",lazy='dynamic')
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@property
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def password(self):
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raise AttributeError('password is not a readable attribute')
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@password.setter
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def password(self, password):
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self.password_hash = generate_password_hash(password)
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def verify_password(self, password):
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return check_password_hash(self.password_hash, password)
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def __repr__(self):
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return '<User %r>' % self.username
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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class Post(db.Model):
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__tablename__= 'posts'
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id = db.Column(db.Integer,primary_key=True)
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body = db.Column(db.Text)
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timestamp = db.Column(db.DateTime,index=True,default=datetime.utcnow)
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author_id = db.Column(db.Integer,db.ForeignKey('users.id'))

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