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)
nickname = db.Column(db.String(50))
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 shouye():
context = {
'questions': Question.query.all()
}
return render_template('shouye.html', **context)
@app.route('/denglu/',methods=['GET','POST'])
def gg():
if request.method == 'GET':
return render_template('denglu.html') #跳转登录
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
session.parmanent = True
return redirect(url_for('shouye'))
else:
return u'password error'
else:
return u'username is not existed'
@app.route('/zhuche/', methods=['GET','POST'])
def login ():
if request.method =='GET':
return render_template('zhuce.html')#跳转注册
else:
usern = request.form.get('username')
passw = request.form.get('password')
nickn = request.form.get('nickname')
user = User.query.filter(User.username == usern).first()
if user:
return u'username existed'
else:
user1 = User(username = usern,password = passw,nickname=nickn)
db.session.add(user1)#数据库操作
db.session.commit()
return redirect(url_for('gg'))
@app.route('/tupian/')
def hh():
return render_template('tupian.html') #跳转图片库
def loginFirst(func):
@wraps(func)
def wrapper (*args,**kwargs):
if session.get('user'):
return func(*args,**kwargs)
else:
return redirect(url_for('gg'))
return wrapper
@app.route('/fabu/',methods=['GET','POST'])
@loginFirst
def fabu():
if request.method == 'GET':
return render_template('fabu.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')) # 跳转发布
@app.context_processor
def context():
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)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>详细发布</title>
</head>
<body>
<div class="box"></div>
<div class="box1 ">
<ul class="box2">
<li>
<h2 href="#" class="title">title</h2>
<hr>
<p class="user">
<a href="#"> <small>username</small></a>
<span class="time"><small>create_time</small></span>
</p>
<hr>
<form>
<div class="pinglun">
<textarea name="comment" class="form-control" cols="50" rows="5" id="comment"
placeholder="请输入评论"></textarea>
</div>
<button type="submit" class="button">发送</button>
</form>
</li>
</ul>
</div>
</body>
</html>
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