评论列表显示及排序，个人中心显示

1. 显示所有评论
   {% for foo in ques.comments %}
   
   
2. 所有评论排序
   uquestion = db.relationship('Question', backref=db.backref('comments', order_by=creat_time.desc))
   
   
3. 显示评论条数
   {{ ques.comments|length }}
   
   
4. 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

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

{% block main %}
    <div class="page-header">
        <h3><span class="glyphion glyphion-user" aria-hidden="true"></span>{{ username }}
            <br><small>全部问答 <span class="badge"></span></small>
        </h3>
        <ul class="list-group" style="margin: 10px;list-style: none">
            {% for foo in user.question %}
            <li class="note-list-item">
                <span class="glyphion glyphion-haert-empty" aria-hidden="true"></span>
                <a href="{{ url_for('usercenter',user_id = foo.author_id)}}">{{ foo.author.username }}</a>
                <span class="badge">{{ foo.creat_time }}</span>

                <p style="width: 450px;"> 详情 {{ foo.detail }}</p>
            </li>
        {% endfor %}
        </ul>
    </div>

    <div class="page-header">
        <h3><span class="glyphion glyphion-user" aria-hidden="true"></span>{{ user }}
            <br><small>全部评论 <span class="badge"></span></small>
        </h3>
        <ul class="list-group" style="margin: 10px;list-style: none">
            {% for foo in user.comments %}
            <li class="note-list-item">
                <span class="glyphion glyphion-haert-empty" aria-hidden="true"></span>
                <a href="{{ url_for('usercenter',user_id = foo.author_id)}}">{{ foo.author.username }}</a>
                <span class="badge">{{ foo.creat_time }}</span>

                <p style="width: 450px;"> 详情 {{ foo.detail }}</p>
            </li>
        {% endfor %}
        </ul>
    </div>

    <div class="page-header">
        <h3><span class="glyphion glyphion-user" aria-hidden="true"></span>{{ user }}
            <br><small>个人信息 <span class="badge"></span></small>
        </h3>
        <ul class="list-group" style="margin: 10px;list-style: none">
            <li class="list-group-item">用户：{{ user.username}}</li>
            <li class="list-group-item">编号：</li>
            <li class="list-group-item">昵称：{{ user.nickname}}</li>
            <li class="list-group-item">文章篇数：</li>
        </ul>
    </div>

{% endblock %}