1.定义评论的视图函数
@app.route(‘/comment/‘,methods=[‘POST‘])
def comment()：
读取前端页面数据，保存到数据库中
@app.route(‘/comment/‘, methods=[‘POST‘]) def comment(): comment_detail = request.form.get(‘new_comment‘) quest_id = request.form.get(‘question_id‘) author_id = User.query.filter(User.username == session.get(‘user‘)).first().id comment = Comment(detail=comment_detail, author_id=author_id, question_id=quest_id, ) db.session.add(comment) db.session.commit() return redirect(url_for(‘detail‘, question_id=quest_id))
2.用<input type="hidden" 方法获取前端的"question_id"
<input name="question_id" type="hidden" value="{{ ques.id }}">
3.显示评论次数
<span class="tcomment">评论：({{ ques.comments|length }})</span>
4.要求评论前登录
@app.route(‘/comment/‘, methods=[‘POST‘]) @loginFirst def comment():
5.尝试实现详情页面下的评论列表显示
<ul class="list-group"> {% for com in comment %} <li ><a href="#">{{ com.author.username }}</a> <br> <span >{{ com.create_time }}</span> <p class="abstract">{{ com.detail }}</p> </li> {% endfor %} </ul>
原文：http://www.cnblogs.com/arashinoj/p/8004672.html