标签:images extends rem index 一个 word put request ges
from functools import wraps
def loginFirst(func): #参数是函数
@wraps(func)
def wrapper(*args, ** kwargs): #定义个函数将其返回
#要求登录
return func(*args, ** kwargs)
return wrapper #返回一个函数
@app.route(‘/question/‘,methods=[‘GET‘,‘POST‘])
@loginFirst
def question():
class Question(db.Model):
保存到数据库。
重定向到首页。
from flask import Flask,render_template,request,redirect,url_for,session from flask import Flask from flask_sqlalchemy import SQLAlchemy import config from functools import wraps from datetime import datetime app = Flask(__name__) #app.config[‘SECRET_KEY‘] = ‘1234567‘ app.config.from_object(config) db = SQLAlchemy(app) class User(db.Model): __tablename__ = ‘user_test‘ id=db.Column(db.Integer,primary_key=True,autoincrement=True) username=db.Column(db.String(20),nullable=False) password = db.Column(db.String(20), nullable=False) nickname = db.Column(db.String(20)) tel = db.Column(db.String(20)) class Question(db.Model): __tablename__ = ‘question‘ id=db.Column(db.Integer,primary_key=True,autoincrement=True) title = db.Column(db.String(100),nullable=False) detail = db.Column(db.Text,nullable=False) creat_time = db.Column(db.DateTime,default=datetime.now) author_id = db.Column(db.Integer,db.ForeignKey(‘user_test.id‘)) author = db.relationship(‘User‘,backref=db.backref(‘question‘)) #db.create_all() #2.在表中插入一条记录 #user = User(username = ‘mis1‘,password = ‘124‘, nickname=‘wk‘) #db.session.add(user) #db.session.commit() #3.去表中查询用户名对应的密码和接下来用户输入的密码是否相匹配 #user = User.query.filter(User.username == ‘mis1234‘).first() #print(user) #print(user.id,user.username)#输出查找到的用户名的id,密码等. #修改查询到的用户名的密码等 #user = User.query.filter(User.username == ‘mis1234‘).first() #user.password = ‘123‘ #db.session.commit() #再次插入一条记录 #user = User(username = ‘wkkkkkk‘,password = ‘123456‘, nickname=‘kk‘) #db.session.add(user) #db.session.commit() #删除一条记录 #user = User.query.filter(User.username == ‘mis1234‘).first() #db.session.delete(user) #db.session.commit() @app.route(‘/‘) def index(): return render_template(‘base.html‘) @app.route(‘/login/‘,methods=[‘GET‘,‘POST‘]) def login(): if request.method == ‘GET‘: return render_template(‘login.html‘) else: usern = request.form.get(‘uname‘) passw = request.form.get(‘upass‘) user = User.query.filter(User.username==usern).first() if user: if user.password == passw: session[‘user‘] = usern; return redirect(url_for(‘index‘)) else: return ‘password error!‘ else: return ‘username is not exister!‘ @app.route(‘/register/‘,methods=[‘GET‘,‘POST‘]) def register(): if request.method ==‘GET‘: return render_template(‘register.html‘) else: usern = request.form.get(‘uname‘) teln = request.form.get(‘number‘) passw = request.form.get(‘upass‘) user = User.query.filter(User.username==usern).first() if user: return ‘username existed‘ else: user1= User(username=usern,tel=teln,password=passw) db.session.add(user1) db.session.commit() return redirect(url_for(‘login‘)) @app.context_processor def mycontext(): usern = session.get(‘user‘) if usern: return{‘username‘:usern} else: return {} def loginFirst(func): @wraps(func) def wrapper(*args,** kwargs): if session.get(‘user‘): return func(*args,** kwargs) else: return redirect(url_for(‘login‘)) return wrapper @app.route(‘/question/‘,methods=[‘GET‘,‘POST‘]) @loginFirst def question(): if request.method ==‘GET‘: return render_template(‘question.html‘) else: biaoti = request.form.get(‘biaoti‘) detail = request.form.get(‘detail‘) author_id = User.query.filter(User.username==session.get(‘user‘)).first().id question = Question(title=biaoti,detail=detail,author_id=author_id) db.session.add(question) db.session.commit() return redirect(url_for(‘index‘)) if __name__ == ‘__main__‘: app.run(debug=True)
{% extends ‘base.html‘ %} {% block title %} 发布问答 {% endblock %} {% block head %} <link rel="stylesheet" type="text/css" href="{{ url_for(‘static‘,filename=‘css/question.css‘)}}"> <script src="{{ url_for(‘static‘,filename=‘js/login.js‘) }}" type="text/javascript"></script> {% endblock %} {% block main %} <!--<h3 style="font-family:华文细黑;color: black">发布问答</h3>--> <form class="all" method="post" action="{{ url_for(‘question‘) }}"> <h3 >发布问答</h3> <div class="form_group"></div> <div class="form_group"> <!--<label for="questionDetial">标题</label>--> <!--<textarea class="form-control" rows="1" id="questionDetial"></textarea>--> <label for="biaoti" >标题</label> <input id="biaoti" type="text" placeholder="请输入标题!" name="biaoti"> </div> <div class="form_group"> <label for="detail" >详情</label> <textarea class="form-control" rows="5" id="detial" name="detail"></textarea> </div> <div class="checkbox"> <input type="checkbox"> check me out <br> <button type="submit" class="btn bun-default">发布</button> </div> </form> {% endblock %}
标签:images extends rem index 一个 word put request ges
原文地址:http://www.cnblogs.com/wk15/p/7909049.html