主PY文件寫視圖函數,帶id參數。 html
@app.route('/detail/<question_id>')
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)
首頁標題的標籤作帶參數的連接。
{{ url_for('detail',question_id = foo.id) }}python
<a href="{{ url_for('detail',question_id=a.id) }}">{{ a.question }}</a><br><br>
在詳情頁將數據的顯示在恰當的位置。 app
{{ ques.title}}
{{ ques.id }}{{ ques.creat_time }}
{{ ques.author.username }}
{{ ques.detail }}
{% extends 'index.html' %} {% block title %}問答詳情{% endblock %} {% block main %} <body style="url(../image/picture.jpg) no-repeat" > <div class="container"> <div class="box"> <h3 style="font-family:宋體;text-align: left;font-size: 40px">詳情頁</h3> </div> <div> <h2>{{ ques.question }}<br><small>{{ ques.author.username }} <span class="badge">{{ ques.creat_time }}</span></small></h2></div> 問題詳情:<p class="lead">{{ ques.questionDetail }}</p> <p class="location">評論</p> <hr> <form action="{{ url_for('question') }}" method="post"> <div> <textarea class="form-control" id="new_comment" rows="6" placeholder="write your comment"style="height:200px;width:800px" ></textarea><br></div> <button type="submit" class="fabu"style="width:100px">發佈</button> </form> <ul class="list-group" style="margin: 10px"></ul> </div> </body> {% endblock %}
創建評論的對象關係映射:函數
class Comment(db.Model):
__tablename__='comment'post
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')) 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'))
嘗試實現發佈評論。url