1、主PY文件写视图函数，带id参数。
@app.route('/detail/
def detail(question_id):
quest =
return render_template('detail.html', ques = quest)
@app.route('/detail/<question_id>')
def detail(question_id):quest = Question.query.filter(Question.id == question_id).first()return render_template('detail.html',ques=quest) 2、首页标题的标签做带参数的链接。
{{ url_for('detail',question_id = foo.id) }}
<a href="{{ url_for('detail',question_id = foo.id) }}">{{ foo.title }}a>
3、在详情页将数据的显示在恰当的位置。
{{ ques.title}}
{{ ques.id }}{{ ques.creat_time }}
{{ ques.author.username }}
{{ ques.detail }
{% for foo in questions %}<li class="list-group-item"><span class="glyphicon glyphicon-leaf" aria-hidden="true">span><a href="{{ url_for('detail',question_id = foo.id) }}">{{ foo.title }}a><p style="">{{ foo.detail }}p><span class="glyphicon glyphicon-user" aria-hidden="true">span><a href="">{{ foo.author.username }}a><span class="badge">{{ foo.creat_time }}span>li>{% endfor %}
4、建立评论的对象关系映射：
class Comment(db.Model):
__tablename__='comment'
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'))creat_time = db.Column(db.DateTime,default=datetime.now)detail = db.Column(db.Text,nullable=False)question = db.relationship('Question',backref = db.backref('comments'))author = db.relationship('User',backref = db.backref('comments')) 5、 尝试实现发布评论。
