发布功能完成

 1 def loginFirst(func):
 2     # 定义一个函数将其返回
 3     @wraps(func)
 4     def wrapper(*args,**kwargs):
 5         if session.get(‘title‘):
 6             return func(*args, **kwargs)
 7         else:
 8             return redirect(url_for(‘login‘))
 9     # 返回一个函数
10     return wrapper

 1 #发布问答
 2 @app.route(‘/question‘ , methods=[‘GET‘,‘POST‘])
 3 @loginFirst
 4 def question():
 5     if request.method == ‘GET‘:
 6         return render_template(‘question.html‘)
 7     else:
 8         book_title = request.form.get(‘title‘)
 9         book_content = request.form.get(‘content‘)
10         user_id = request.form.get(‘user_id‘)
11         book = Book(id=‘1‘, title=book_title, content=book_content, author_id=user_id)
12         db.session.add(book)  # 加入数据库
13         db.session.commit()
14         return  redirect(url_for(‘index‘))

 1 class Question(db.Model):
 2     __tablname__ = ‘question‘
 3     id = db.Column(db.String(17), primary_key=True)  # 数据库唯识别id
 4     title = db.Column(db.String(30)) #文章标题
 5     abstracts = db.Column(db.String(30)) #文章摘要
 6     content = db.Column(db.TEXT) #文章内容
 7     createdate = db.Column(db.DATETIME) #发布时间
 8     author_id = db.Column(db.String(17),db.ForeignKey(‘user.id‘)) #发布者id
 9     size = db.Column(db.String(30)) #文章长度
10     chilk = db.Column(db.String(30)) #阅读数
11     disc = db.Column(db.String(30))
12     classification = db.Column(db.String(17),db.ForeignKey(‘classification.id‘)) #文章分类id
13     authorClass = db.relationship(‘User‘,backref=db.backref(‘book‘))
14     classificationClass = db.relationship(‘Classification‘,backref=db.backref(‘book‘))