@app.route('/detail/<question_id>')
def detail(question_id):
quest =
return render_template('detail.html', ques = quest)
{{ ques.title}}
{{ ques.id }}{{ ques.creat_time }}
{{ ques.author.username }}
{{ ques.detail }}
創建評論的對象關係映射:css
class Comment(db.Model):
__tablename__='comment'html
嘗試實現發佈評論。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')) class Comment(db.Model): __tablename__='comment' id=db.Column(db.Integer,primary_key=True,autoincrement=True) author_id=db.Column(db.Integer,db.ForeignKey('user.id')) question_id = db.Column(db.Integer, db.ForeignKey('question.id')) detail=db.Column(db.Text,nullable=False) creat_time = db.Column(db.DateTime, default=datetime.now) question = db.relationship('Question', backref=db.backref('comments',order_by=creat_time.desc)) author = db.relationship('User', backref=db.backref('comments'))
detail函數
{% extends 'base.html' %} {% block title %} 問答詳情頁 {% endblock %} {% block head %} <link type="text/css" rel="stylesheet" href="../static/css/detail.css"> {% endblock %} <div class="detail"> <h2>title</h2> <a href="#">username</a> <span>creat_time</span> <div class="p"> <p>detail</p> </div> <textarea rows="5"></textarea><br> <button >發送</button> <br> {% endblock %}