评论列表显示及排序，个人中心显示

显示所有评论
{% for foo in ques.comments %}

<ul class="list-group"style="margin:10px">
        {% for b in ques.comments %}
        <li class="list-group-item">
            <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
            <a href="{{url_for('personal',user_id=b.author.id)}}">{{b.author.username }}</a>
            <span class="badge">{{b.creat_time}}</span>
            <p style="">{{b.detail}}</p>
        </li>
{% endfor %}
        </ul>

所有评论排序
uquestion = db.relationship('Question', backref=db.backref('comments', order_by=creat_time.desc))

question = db.relationship('Question', backref=db.backref('comments',order_by=creat_time.desc))

显示评论条数
{{ ques.comments|length }}

<h4>评论:（{{ ques.comments|length }}）</h4>

完成个人中心

1.个人中心的页面布局（html文件及相应的样式文件）

2.定义视图函数def usercenter(user_id):

3.向前端页面传递参数

4.页面显示相应数据

发布的全部问答

发布的全部评论

个人信息

5.各个页面链接到个人中心

@app.route('/personal/<user_id>')
@log
def personal(user_id):
    user=User.query.filter(User.id==user_id).first()
    mycontext={
        'username':user.username,
        'questions':user.question,
        'comments':user.comments,
    }
    return render_template('personal.html',**mycontext)

{% extends 'index.html' %}
{% block title %}个人中心 {% endblock%}
{% block main%}

<div class="page-header">
    <h3><span class="glyphicon glyphicon-user" aria-hidden="true"></span>
    {{username}} <br> <small>全部问答><span class="badge"></span> </small></h3>
    <ul class="list-group" style="">
        {% for foo in question %}
            <li class="list-group-item">
                <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
                <a href="#">{{foo.author.username }}</a>
                <span class="badge">{{foo.creat_time}}</span>
                <p style="">{{foo.detail}}</p>
            </li>
    {% endfor %}
    </ul>
</div>

<div class="page-header">
     <h3><span class="glyphicon glyphicon-user" aria-hidden="true"></span>
    {{user}} <br> <small>个人信息><span class="badge"></span> </small></h3>
    <ul class="list-group" style="">
          {% for foo in comments %}
            <li class="list-group-item">
                <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
                <a href="#">{{foo.author.username }}</a>
                <span class="badge">{{foo.creat_time}}</span>
                <p style="">{{foo.detail}}</p>
            </li>
    {% endfor %}
    </ul>
</div>

<div class="page-header">
     <h3><span class="glyphicon glyphicon-user" aria-hidden="true"></span>
    {{user}} <br> <small>个人信息><span class="badge"></span> </small></h3>
      <ul class="list-group" style="">
          <li class="list-group-item">用户：{{username}}</li>
          <li class="list-group-item">编号：</li>
          <li class="list-group-item">昵称：</li>
          <li class="list-group-item">文章篇：</li>
      </ul>
</div>

{% endblock %}

<a href="{{url_for('personal',user_id=b.author.id)}}">{{b.author.username }}</a>