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

 py文件：

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

indext.html:

<p>{{ username}}context</p>
    <ul class="list-group" style="...">
    {% for foo in question %}
    <li class="list-group-item">
        <span class="glyphicon glyphicon-leaf" aria-hidden="true"></span>
        <a href="{{ url_for('commentdetail',question_id=foo.id) }}">{{ foo.title}}</a>
        <p style="...">{{ foo.detail}}</p>
        <span class="glyphicon glyphicon-leaf" aria-hidden="true"></span>
<span class="badge">{{ foo.creat_time}}</span>
</li>
  {% endfor %}
</ul>

question.html:

{% extends"base.html"%}
{% blockquestiontitle %}发布内容{% endblock %}
{% blockquestionhead %}
    <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">

{% endblock %}
{% block basebody %}
    <div class="col-md-2 column "></div>
    <div class="col-md-8 column ">
        <h2 href="#" class="text-center">{{ fa.title }}</h2>
        <br>
        <p class="text-center">
            <a href="{{ url_for('yonghu',username_id=fa.author_id) }}">
                <small>{{ fa.author.username }}</small>
            </a>&nbsp&nbsp&nbsp
            <span class="pull-center"><small>{{ fa.creat_time }}</small></span>
        </p>
        <hr>
        <p>{{ fa.detail }}</p>
        <hr>

        <form action="{{ url_for('comment') }}" method="post">
            <div class="form-group">
                    <textarea name="pinglun" class="form-control" rows="5" id="pinglun"
                              placeholder="请输入评论"></textarea>
                <input type="hidden" name="fa_id" value="{{ fa.id }}">
            </div>
            <button type="submit" class="btn btn-default">发送</button>
            <br>
            <br>
            <h4>评论：（{{ fa.comments|length }}）</h4>
            <ul class="list-unstyled">
                {% for foo in fa.comments %}
                    <li class="list-group-item">
                        <a href="{{ url_for('yonghu',username_id=foo.author_id) }}"><span class="glyphicon glyphicon-fire"></span>{{ foo.author.username }}</a>
                        <span class="badge pull-right">{{ foo.creat_time }}</span>
                        <p>{{ foo.detail }}</p>
                        <br>
                    </li>
                {% endfor %}
            </ul>
        </form>
        <br>
        <br>
        <br>

    </div>
    <div class="col-md-2 column "></div>
{% endblock %}

own.html:

{% extends 'base.html' %}
{% block title %}用户详情{% endblock %}
{% block basehead %}
    <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">

{% endblock %}
{% block daohangbody %}
    <div class="col-md-2 column "></div>
    <div class="col-md-8 column ">
        <h2 href="#" class="text-center">个人信息</h2>
        <hr>
        <p><span class="glyphicon glyphicon-fire"></span>username</p>
        <br>
        <div class="col-md-6 column s1">
            <h3 class="text-center">全部发布信息（{{ fabus|length }}）</h3>
            <ul class="list-unstyled">
                {% for foo in fabus %}
                    <li class="list-group-item">
                        <a href="{{ url_for('yonghu',username_id=foo.author_id) }}"><span class="glyphicon glyphicon-fire"></span>{{ foo.author.username }}</a>
                        <h4 class="text-center"><a href="{{ url_for('fabuview',fabu_id=foo.id) }}">{{ foo.title }}</a>
                        </h4>
                        <span class="badge pull-right">{{ foo.creat_time }}</span>
                        <br>
                        <p>{{ foo.detail }}</p>
                    </li>
                {% endfor %}
            </ul>
        <br>
        <br>
        <br>
        </div>
        <div class="col-md-6 column s1">
            <h3 class="text-center">全部评论信息（{{ comments|length }}）</h3>
            <ul class="list-unstyled">
                {% for foo in comments %}
                    <li class="list-group-item">
                        <a href="{{ url_for('yonghu',username_id=foo.author_id) }}"><span class="glyphicon glyphicon-fire"></span>{{ foo.author.username }}</a>
                        <span class="badge pull-right">{{ foo.creat_time }}</span>
                        <p>{{ foo.detail }}</p>
                        <br>
                    </li>
                {% endfor %}
            </ul>
        <br>
        <br>
        <br>
        </div>
    </div>
    <div class="col-md-2 column "></div>
{% endblock %}