Python 使用SQLAlchemy设置引导表单
我正在尝试让引导表单与我的Python Flask Web应用程序一起工作,但我很难让它按我希望的方式工作 它当前的设置是,当用户注册时,他们的详细信息将使用SQLAlchemy和SQLite3存储在数据库中。它目前似乎没有做到这一点 最初我使用flask_引导进行代码设置,但我更喜欢使用本地引导文件,而不是位于静态文件夹中的文件 我已经包括了我一直在使用的原始文件,它们是原始app.py和原始signup.html。我还包括了我一直试图创建的新文件,它们是new app.py和new signup.htm,以帮助复制此应用程序。提前谢谢 原始app.py文件Python 使用SQLAlchemy设置引导表单,python,twitter-bootstrap,sqlite,flask,flask-sqlalchemy,Python,Twitter Bootstrap,Sqlite,Flask,Flask Sqlalchemy,我正在尝试让引导表单与我的Python Flask Web应用程序一起工作,但我很难让它按我希望的方式工作 它当前的设置是,当用户注册时,他们的详细信息将使用SQLAlchemy和SQLite3存储在数据库中。它目前似乎没有做到这一点 最初我使用flask_引导进行代码设置,但我更喜欢使用本地引导文件,而不是位于静态文件夹中的文件 我已经包括了我一直在使用的原始文件,它们是原始app.py和原始signup.html。我还包括了我一直试图创建的新文件,它们是new app.py和new sign
从flask导入flask,呈现模板,重定向,url
从flask_引导导入引导
来自flask_wtf进口FlaskForm
从wtforms导入StringField、PasswordField、BooleanField
从wtforms.validators导入所需的输入、电子邮件、长度
从flask_sqlalchemy导入sqlalchemy
从werkzeug.security导入生成密码散列,检查密码散列
从flask_login导入LoginManager、UserMixin、login_用户、login_required、logout_用户、current_用户
app=烧瓶(名称)
app.config['SECRET\u KEY']=“ThisIssuppedTobeSecret!”
app.config['SQLALCHEMY\u DATABASE\u URI']='sqlite:////Users/Joanna/Desktop/login2/database.db'
引导(应用程序)
db=SQLAlchemy(应用程序)
login\u manager=LoginManager()
登录管理器。初始化应用程序(应用程序)
login\u manager.login\u视图='login'
类用户(UserMixin,db.Model):
id=db.Column(db.Integer,主键=True)
username=db.Column(db.String(15),unique=True)
email=db.Column(db.String(50),unique=True)
密码=db.Column(db.String(80))
@登录\u manager.user\u加载程序
def加载用户(用户id):
返回User.query.get(int(User\u id))
类别登录表单(烧瓶表单):
username=StringField('username',验证器=[InputRequested(),长度(最小值=4,最大值=15)])
password=PasswordField('password',验证器=[InputRequested(),长度(最小值=8,最大值=80)])
记住=布尔菲尔德(“记住我”)
注册等级(烧瓶形式):
email=StringField('email',验证器=[InputRequested(),email(message='Invalid email'),长度(max=50)])
username=StringField('username',验证器=[InputRequested(),长度(最小值=4,最大值=15)])
password=PasswordField('password',验证器=[InputRequested(),长度(最小值=8,最大值=80)])
@应用程序路径(“/”)
def index():
返回渲染模板('index.html')
@app.route('/login',methods=['GET','POST'])
def login():
form=LoginForm()
if form.validate_on_submit():
user=user.query.filter\u by(username=form.username.data).first()
如果用户:
如果检查\u密码\u散列(user.password、form.password.data):
login\u user(user,memory=form.memory.data)
返回重定向(“仪表板”)的url\u
返回“无效的用户名或密码”
#返回“”+form.username.data+“”+form.password.data+“”
返回呈现模板('login.html',form=form)
@app.route('/signup',methods=['GET','POST'])
def signup():
form=RegisterForm()
if form.validate_on_submit():
hashed_password=generate_password_hash(form.password.data,method='sha256')
新用户=用户(用户名=form.username.data,电子邮件=form.email.data,密码=哈希密码)
db.session.add(新用户)
db.session.commit()
return“已创建新用户!”
#返回“”+form.username.data+“”+form.email.data+“”+form.password.data+“”
返回呈现模板('signup.html',form=form)
@应用程序路径(“/dashboard”)
@需要登录
def仪表板():
返回呈现模板('dashboard.html',name=current\u user.username)
@app.route(“/logout”)
@需要登录
def注销():
注销用户()
返回重定向(url_for('index'))
如果uuuu name uuuuuu='\uuuuuuu main\uuuuuuu':
app.run('0.0.0.0',debug=True)
新建app.py文件
从flask导入flask,呈现模板,重定向,url
来自flask_wtf进口FlaskForm
从wtforms导入StringField、PasswordField、BooleanField
从wtforms.validators导入所需的输入、电子邮件、长度
从flask_sqlalchemy导入sqlalchemy
从werkzeug.security导入生成密码散列,检查密码散列
从flask_login导入LoginManager、UserMixin、login_用户、login_required、logout_用户、current_用户
app=烧瓶(名称)
app.config['SECRET\u KEY']=“ThisIssuppedTobeSecret!”
app.config['SQLALCHEMY\u DATABASE\u URI']='sqlite:////Users/Joanna/Desktop/login2/database.db'
引导(应用程序)
db=SQLAlchemy(应用程序)
login\u manager=LoginManager()
登录管理器。初始化应用程序(应用程序)
login\u manager.login\u视图='login'
类用户(UserMixin,db.Model):
id=db.Column(db.Integer,主键=True)
username=db.Column(db.String(15),unique=True)
email=db.Column(db.String(50),unique=True)
密码=db.Column(db.String(80))
@登录\u manager.user\u加载程序
def加载用户(用户id):
返回User.query.get(int(User\u id))
类别登录表单(烧瓶表单):
username=StringField('username',验证器=[InputRequested(),长度(最小值=4,最大值=15)])
password=PasswordField('password',验证器=[InputRequested(),长度(最小值=8,最大值=80)])
记住=布尔菲尔德(“记住我”)
注册等级(烧瓶形式):
email=StringField('email',验证器=[InputRequested(),email(message='Invalid email'),长度(max=50)])
username=StringField('username',验证器=[InputRequested(),长度(最小值=4,最大值=15)])
password=PasswordField('password',验证器=[InputRequested(),长度(最小值=8,最大值=80)])
@应用程序路径(“/”)
def index():
返回渲染模板('index.html')
@app.route('/login',methods=['GET','POST'])
def login():
form=LoginForm()
if form.validate_on_submit():
user=user.query.filter\u by(username=form.username.data).first()
如果用户:
如果检查\u密码\u散列(user.passwor
from flask import Flask, render_template, redirect, url_for
from flask_bootstrap import Bootstrap
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField
from wtforms.validators import InputRequired, Email, Length
from flask_sqlalchemy import SQLAlchemy
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
app = Flask(__name__)
app.config['SECRET_KEY'] = 'Thisissupposedtobesecret!'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:////Users/Joanna/Desktop/login2/database.db'
Bootstrap(app)
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(15), unique=True)
email = db.Column(db.String(50), unique=True)
password = db.Column(db.String(80))
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
class LoginForm(FlaskForm):
username = StringField('username', validators=[InputRequired(), Length(min=4, max=15)])
password = PasswordField('password', validators=[InputRequired(), Length(min=8, max=80)])
remember = BooleanField('remember me')
class RegisterForm(FlaskForm):
email = StringField('email', validators=[InputRequired(), Email(message='Invalid email'), Length(max=50)])
username = StringField('username', validators=[InputRequired(), Length(min=4, max=15)])
password = PasswordField('password', validators=[InputRequired(), Length(min=8, max=80)])
@app.route('/')
def index():
return render_template('index.html')
@app.route('/login', methods=['GET', 'POST'])
def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.username.data).first()
if user:
if check_password_hash(user.password, form.password.data):
login_user(user, remember=form.remember.data)
return redirect(url_for('dashboard'))
return '<h1>Invalid username or password</h1>'
#return '<h1>' + form.username.data + ' ' + form.password.data + '</h1>'
return render_template('login.html', form=form)
@app.route('/signup', methods=['GET', 'POST'])
def signup():
form = RegisterForm()
if form.validate_on_submit():
hashed_password = generate_password_hash(form.password.data, method='sha256')
new_user = User(username=form.username.data, email=form.email.data, password=hashed_password)
db.session.add(new_user)
db.session.commit()
return '<h1>New user has been created!</h1>'
#return '<h1>' + form.username.data + ' ' + form.email.data + ' ' + form.password.data + '</h1>'
return render_template('signup.html', form=form)
@app.route('/dashboard')
@login_required
def dashboard():
return render_template('dashboard.html', name=current_user.username)
@app.route('/logout')
@login_required
def logout():
logout_user()
return redirect(url_for('index'))
if __name__ == '__main__':
app.run('0.0.0.0', debug=True)
from flask import Flask, render_template, redirect, url_for
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField
from wtforms.validators import InputRequired, Email, Length
from flask_sqlalchemy import SQLAlchemy
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
app = Flask(__name__)
app.config['SECRET_KEY'] = 'Thisissupposedtobesecret!'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:////Users/Joanna/Desktop/login2/database.db'
Bootstrap(app)
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(15), unique=True)
email = db.Column(db.String(50), unique=True)
password = db.Column(db.String(80))
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
class LoginForm(FlaskForm):
username = StringField('username', validators=[InputRequired(), Length(min=4, max=15)])
password = PasswordField('password', validators=[InputRequired(), Length(min=8, max=80)])
remember = BooleanField('remember me')
class RegisterForm(FlaskForm):
email = StringField('email', validators=[InputRequired(), Email(message='Invalid email'), Length(max=50)])
username = StringField('username', validators=[InputRequired(), Length(min=4, max=15)])
password = PasswordField('password', validators=[InputRequired(), Length(min=8, max=80)])
@app.route('/')
def index():
return render_template('index.html')
@app.route('/login', methods=['GET', 'POST'])
def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.username.data).first()
if user:
if check_password_hash(user.password, form.password.data):
login_user(user, remember=form.remember.data)
return redirect(url_for('dashboard'))
return '<h1>Invalid username or password</h1>'
#return '<h1>' + form.username.data + ' ' + form.password.data + '</h1>'
return render_template('login.html', form=form)
@app.route('/signup', methods=['GET', 'POST'])
def signup():
form = RegisterForm()
if form.validate_on_submit():
hashed_password = generate_password_hash(form.password.data, method='sha256')
new_user = User(username=form.username.data, email=form.email.data, password=hashed_password)
db.session.add(new_user)
db.session.commit()
return '<h1>New user has been created!</h1>'
#return '<h1>' + form.username.data + ' ' + form.email.data + ' ' + form.password.data + '</h1>'
return render_template('signup.html', form=form)
@app.route('/dashboard')
@login_required
def dashboard():
return render_template('dashboard.html', name=current_user.username)
@app.route('/logout')
@login_required
def logout():
logout_user()
return redirect(url_for('index'))
if __name__ == '__main__':
app.run('0.0.0.0', debug=True)
{% extends "base.html" %}
{% import "bootstrap/wtf.html" as wtf %}
{% block title %}
Sign Up
{% endblock %}
{% block styles %}
{{super()}}
<link rel="stylesheet" href="{{url_for('.static', filename='signin.css')}}">
{% endblock %}
{% block body_content %}
<div class="container">
<form class="form-signin" method="POST" action="/signup">
<h2 class="form-signin-heading">Sign Up</h2>
{{ form.hidden_tag() }}
{{ wtf.form_field(form.username) }}
{{ wtf.form_field(form.email) }}
{{ wtf.form_field(form.password) }}
<button class="btn btn-lg btn-primary btn-block" type="submit">Sign Up</button>
</form>
</div> <!-- /container -->
{% endblock %}
{% extends "base.html" %}
{% block title %}
Sign Up
{% endblock %}
<!-- Banner Image Content Begins -->
{% block img_content %}
<div class="img_cont bg_img">
<h1 class="banner">Sign Up</h1>
</div>
{% endblock %}}
<!-- Banner Image Content Ends -->
{% block body_content %}
<div class="container">
<form method="POST" action="/signup">
<div class="form-group">
<input type="username" class="form-control" placeholder="Enter Username">{{ form.username }}</input>
</div>
<div class="form-group">
<input type="email" class="form-control" placeholder="Enter Email">{{ form.email }}</input>
</div>
<div class="form-group">
<input type="password" class="form-control" placeholder="Enter Password">{{ form.password }}</input>
</div>
<button type="submit" class="btn btn-primary">Sign Up</button>
</form>
</div> <!-- /container -->
{% endblock %}
<form method="POST" action="/signup">
{{ form.csrf_token }}
<div class="form-group">
<div class="container">
<form method="POST" action="/signup">
{{ form.csrf_token }}
<div class="form-group">
{{ form.username }}
</div>
<div class="form-group">
{{ form.email }}
</div>
<div class="form-group">
{{ form.password }}
</div>
<button type="submit" class="btn btn-primary">Sign Up</button>
</form>
{% for field, err in errors %}
<div>{{field}} : {{err|join(', ')}}</div>
{% endfor %}
</div> <!-- /container -->
return render_template('signup_bug.html', form=form, errors=form.errors.items())
class RegisterForm(FlaskForm):
email = StringField('email',
validators=[InputRequired(), Email(message='Invalid email'), Length(max=50)],
render_kw={"placeholder": "Enter Email", "type":"email"})
username = StringField('username',
validators=[InputRequired(), Length(min=4, max=15)],
render_kw={"placeholder": "Enter Username", "type":"username"})
password = PasswordField('password',
validators=[InputRequired(), Length(min=8, max=80)],
render_kw={"placeholder": "Enter Password", "type":"password"})