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




{% block usercenter %}
    <div class="card touming" style="width:50rem; margin:0 auto">

<ul class="list-group list-group-flush">

<h3 style="margin:0" align="center">ANSWER</h3>


{% for foo in user.questions %}

        <li class="list-group-item">
            <span class="icon" aria-hidden="true"></span>

            <br>

            <h3> <a href="{{ url_for('detail',question_id=foo.id) }}">{{ foo.title }}</a></h3>

            <p>{{ foo.detail }}</p>
        <span class="badge"style="float:right">{{ foo.creat_time}}</span>

            <a href="{{ url_for('usercenter',user_id=foo.author.id) }}">{{ foo.author.username}}</a>
        </li>

        {% endfor %}

</ul>
</div>

<br>
<br>




<div class="card touming" style="width:50rem; margin:0 auto">
<ul class="list-group list-group-flush">
<h3 style="margin:0" align="center">COMMENT</h3>


{% for foo in user.comments %}

        <li class="list-group-item">
            <span class="icon" aria-hidden="true"></span>

            <br>

            <h3> <a href="{{ url_for('detail',question_id=foo.id) }}">{{ foo.title }}</a></h3>

            <p>{{ foo.detail }}</p>
        <span class="badge"style="float:right">{{ foo.creat_time}}</span>

            <a href="">{{ foo.author.username}}</a>
        </li>

        {% endfor %}
    </ul>

</div>

<br>
<br>

   <div class="card touming" style="width:50rem; margin:0 auto">
<h3 style="margin:0" align="center" color="blue">{{ username }}MESSAGE</h3>
<ul class="list-group list-group-flush">


        <li class="list-group-item">
            <span class="icon" aria-hidden="true">
                用户：{{ user.username }}<br>
                编号：{{ user.id }}<br>
                昵称：{{ user.nickname }}<br>
                文章篇数：{{ user.questions|length }}
            </span>

        </li>


    </ul>

</div>

{% endblock %}

def usercenter(user_id):
    user=User.query.filter(User.id==user_id).first()
    context={
        # 'username':user.username,
        # 'question':user.questions,
        # 'comments':user.comment
        'user':user
    }
    return render_template('usercenter.html',**context)