from flask import Flask, render_template, request, redirect
from wtforms import Form
from wtforms.fields import core
from wtforms.fields import html5
from wtforms.fields import simple
from wtforms import validators
from wtforms import widgets
app = Flask(__name__, template_folder='templates')
app.debug = True
class MyValidator(object):
def __init__(self,message):
self.message = message
def __call__(self, form, field):
print(field.data)
if field.data == '王浩':
return None
raise validators.StopValidation(self.message)
class LoginForm(Form):
name = simple.StringField(
label='用户名',
validators=[
# MyValidator(message='用户名必须等于王浩')
validators.DataRequired(message='用户名不能为空.'),
validators.Length(min=6, max=18, message='用户名长度必须大于%(min)d且小于%(max)d')
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'}
)
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.'),
validators.Length(min=8, message='用户名长度必须大于%(min)d'),
validators.Regexp(regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,}",
message='密码至少8个字符，至少1个大写字母，1个小写字母，1个数字和1个特殊字符')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'GET':
form = LoginForm()
return render_template('login.html', form=form)
else:
form = LoginForm(formdata=request.form)
if form.validate():
print('用户提交数据通过格式验证，提交的值为：', form.data)
else:
print(form.errors)
return render_template('login.html', form=form)
# ########################### 用户注册 ##########################
class RegisterForm(Form):
name = simple.StringField(
label='用户名',
validators=[
validators.DataRequired()
],
widget=widgets.TextInput(),
render_kw={'class': 'form-control'},
default='alex'
)
pwd = simple.PasswordField(
label='密码',
validators=[
validators.DataRequired(message='密码不能为空.')
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
pwd_confirm = simple.PasswordField(
label='重复密码',
validators=[
validators.DataRequired(message='重复密码不能为空.'),
validators.EqualTo('pwd', message="两次密码输入不一致")
],
widget=widgets.PasswordInput(),
render_kw={'class': 'form-control'}
)
email = html5.EmailField(
label='邮箱',
validators=[
validators.DataRequired(message='邮箱不能为空.'),
validators.Email(message='邮箱格式错误')
],
widget=widgets.TextInput(input_type='email'),
render_kw={'class': 'form-control'}
)
gender = core.RadioField(
label='性别',
choices=(
(1, '男'),
(2, '女'),
),
coerce=int
)
city = core.SelectField(
label='城市',
choices=(
('bj', '北京'),
('sh', '上海'),
)
)
hobby = core.SelectMultipleField(
label='爱好',
choices=(
(1, '篮球'),
(2, '足球'),
),
coerce=int
)
favor = core.SelectMultipleField(
label='喜好',
choices=(
(1, '篮球'),
(2, '足球'),
),
widget=widgets.ListWidget(prefix_label=False),
option_widget=widgets.CheckboxInput(),
coerce=int,
default=[1, 2]
)
def __init__(self, *args, **kwargs):
super(RegisterForm, self).__init__(*args, **kwargs)
self.favor.choices = ((1, '篮球'), (2, '足球'), (3, '羽毛球'))
def validate_pwd_confirm(self, field):
"""
自定义pwd_confirm字段规则，例：与pwd字段是否一致
:param field:
:return:
"""
# 最开始初始化时，self.data中已经有所有的值
if field.data != self.data['pwd']:
# raise validators.ValidationError("密码不一致") # 继续后续验证
raise validators.StopValidation("密码不一致") # 不再继续后续验证
@app.route('/register', methods=['GET', 'POST'])
def register():
if request.method == 'GET':
# 设置默认值
form = RegisterForm(data={'gender': 1})
return render_template('register.html', form=form)
else:
form = RegisterForm(formdata=request.form)
if form.validate():
print('用户提交数据通过格式验证，提交的值为：', form.data)
else:
print(form.errors)
return render_template('register.html', form=form)
if __name__ == '__main__':
app.run()
#!/usr/bin/env python
# -*- coding:utf-8 -
import redis
from flask import Flask,current_app,session
from flask_session import Session
app = Flask(__name__)
app.debug = True
app.secret_key = 'xxxx'
# 为Flask-session组件提供的配置
# app.config['SESSION_TYPE'] = 'redis' # session类型为redis
# app.config['SESSION_REDIS'] = redis.Redis(host='127.0.0.1', port='6379', password='123123') # 用于连接redis的配置
# app.config['SESSION_KEY_PREFIX'] = 'session:' # 保存到session中的值的前缀
# app.config['SESSION_PERMANENT'] = False # 如果设置为True，则关闭浏览器session就失效。
# app.config['SESSION_USE_SIGNER'] = False # 是否对发送到浏览器上 session:cookie值进行加密
# Session(app)
#
# import memcache
# app.config['SESSION_TYPE'] = 'memcached' # session类型为redis
# app.config['SESSION_PERMANENT'] = True # 如果设置为True，则关闭浏览器session就失效。
# app.config['SESSION_USE_SIGNER'] = False # 是否对发送到浏览器上session的cookie值进行加密
# app.config['SESSION_KEY_PREFIX'] = 'session:' # 保存到session中的值的前缀
# app.config['SESSION_MEMCACHED'] = memcache.Client(['10.211.55.4:12000'])
# Session(app)
app.config['SESSION_TYPE'] = 'filesystem' # session类型为redis
app.config['SESSION_FILE_DIR'] = r'C:\Users\Administrator\PycharmProjects\day121\2.flask-session组件' # session类型为redis
app.config['SESSION_FILE_THRESHOLD'] = 500 # 存储session的个数如果大于这个值时，就要开始进行删除了
app.config['SESSION_FILE_MODE'] = 384 # 文件权限类型
app.config['SESSION_PERMANENT'] = True # 如果设置为True，则关闭浏览器session就失效。
app.config['SESSION_USE_SIGNER'] = False # 是否对发送到浏览器上session的cookie值进行加密
app.config['SESSION_KEY_PREFIX'] = 'session:' # 保存到session中的值的前缀
Session(app)
@app.route('/index')
def index():
session['k1'] = 'v1'
return 'xx'
if __name__ == '__main__':
app.run()
