标签:login 问答 ges .gz cto bsp _for icon return
1. 在首页添加显示问答的列表,并定义好相应的样式。
无序列表
<ul >
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ul>
2. 用字典向index.html传递参数。
{% extends‘base.html‘ %} {% block title %} 首页 {% endblock %} {% block head %} <link rel="stylesheet" type="text/css" href="{{ url_for(‘static‘,filename=‘css/shouye.css‘) }}"> {% endblock %} {% block main %} <body> <ul class="list-group"> <li style="padding-left: 0px;padding-right: 10px;box-shadow: #cccccc" class="list-group-item"> <span class="glyphicon glyphicon-leaf" aria-hidden="true"></span> <a href="#">{{ user }}</a><br> <a href="#" class="title">{{ title }}</a> <span class="badge">{{ time }}</span> <p class="detail">{{ detail }}</p> </li> </ul> <div class="tu"> <div class="img"> <a href="http://www.gzcc.cn/"> <img src="http://static.runoob.com/images/demo/demo4.jpg"></a> <div class="desc"><a href="http://www.gzcc.cn">校园风光</a></div> </div> <div class="img"> <a href="http://www.gzcc.cn/"> <img src="http://static.runoob.com/images/demo/demo3.jpg"></a> <div class="desc"><a href="http://www.gzcc.cn">校友风采</a></div> </div> <div class="img"> <a href="http://www.gzcc.cn/"> <img src="http://static.runoob.com/images/demo/demo2.jpg"></a> <div class="desc"><a href="http://www.gzcc.cn">学校文化</a></div> </div> <div class="img"> <a href="http://www.gzcc.cn/"> <img src="http://static.runoob.com/images/demo/demo1.jpg"></a> <div class="desc"><a href="http://www.gzcc.cn">学生风采</a></div> </div> </div> </body> {% endblock %}
from flask import Flask,render_template,request,redirect,url_for,session from flask_sqlalchemy import SQLAlchemy from functools import wraps from datetime import datetime import config app = Flask(__name__) app.config.from_object(config) db = SQLAlchemy(app) class User(db.Model): __tablename__ = ‘user‘ 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) 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.id‘)) author = db.relationship(‘User‘, backref=db.backref(‘question‘)) #db.create_all() @app.route(‘/‘) def base(): return render_template(‘base.html‘) @app.route(‘/shouye/‘) def shouye(): context = { ‘user‘: ‘‘, ‘title‘: ‘‘, ‘time‘: ‘‘, ‘detail‘: ‘‘ } return render_template(‘shouye.html‘,**context) @app.route(‘/login/‘,methods=[‘GET‘,‘POST‘]) def login(): if request.method == ‘GET‘: return render_template(‘login.html‘) else: usern = request.form.get(‘username‘) passw = request.form.get(‘password‘) user = User.query.filter(User.username == usern).first() if user: if user.password == passw: session[‘user‘] = usern return redirect(url_for(‘shouye‘)) else: return u‘password error‘ else: return u‘username is not existed.‘ @app.route(‘/zhuce/‘,methods=[‘GET‘,‘POST‘]) def zhuce(): if request.method == ‘GET‘: return render_template(‘zhuce.html‘) else: usern = request.form.get(‘username‘) passw = request.form.get(‘password‘) user = User.query.filter(User.username == usern).first() if user: return u‘username existed‘ else: user1 = User(username=usern, password=passw) db.session.add(user1) db.session.commit() return redirect(url_for(‘login‘)) 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: title = request.form.get(‘title‘) detail = request.form.get(‘detail‘) author_id = User.query.filter(User.username == session.get(‘user‘)).first().id question = Question(title=title, detail=detail, author_id=author_id) db.session.add(question) db.session.commit() return redirect(url_for(‘shouye‘)) @app.context_processor def mycontext(): usern=session.get(‘user‘) if usern: return {‘username‘:usern} else: return {} @app.route(‘/logout‘) def logout(): session.clear() return redirect(url_for(‘shouye‘)) if __name__ == ‘__main__‘: app.run(debug=True)
标签:login 问答 ges .gz cto bsp _for icon return
原文地址:http://www.cnblogs.com/xy123ing/p/7955814.html