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 %}

所有评论排序

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

显示评论条数

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

 <p>评论：({{ ques.comments|length }})</p>
            <table border=1 >
                {% for foo in ques.comments %}
                    <tr><td>
                        <img class="people" src="{{ url_for('static',filename='image/people.png') }}">
                    <a href="{{ url_for('all',user_id=foo.author_id) }}" class="name">{{ foo.author.username }}</a>
                     <span class="time" >{{ foo.creat_time }}</span><br>
                    <p class="nr">{{ foo.detail }}</p></td></tr>
                {% endfor %}

{% block pandle %}
    <body bgcolor="antiquewhite"><link rel="stylesheet" type="text/css" href="../static/css/dd.css">
    <div class="d1"><h3>全部问答</h3>
    {% for foo in questions%}
        <img class="people" src="{{ url_for('static',filename='image/people.png') }}"><a href="{{ url_for('all',user_id=foo.author_id) }}" class="name">{{ foo.author.username }}<br></a>
        <table border="1" >
                <tr><td>
                    <p>{{ foo.title }}</p>
                    <p>{{ foo.detail }}</p></td></tr>
        </table>
     {% endfor %}<hr>

    <h3>全部评论</h3>
    {% for foo in comments%}
        <img class="people" src="{{ url_for('static',filename='image/people.png') }}"><a href="{{ url_for('all',user_id=foo.author_id) }}" class="name">{{ foo.author.username }}</a>
        <table border="1" >
                <tr><td><span class="time" >{{ foo.creat_time }}</span><br>
                <p>{{ foo.detail }}</p></td></tr>
        </table>
     {% endfor %}<hr>
{#        <img class="people" src="{{ url_for('static',filename='image/people.png') }}"><a href="{{ url_for('all',user_id=foo.author_id) }}" class="name">{{ foo.author.username }}</a><br>#}
       <h3>个人信息</h3>
        <table border="1" >
            <tr><td>
            <li style="list-style:none">用户：{{ username }}</li>
            <li style="list-style:none">ID号:{{ userid }}</li></td></tr>
{#          <li>昵称</li>    #}
{#          <li>文章篇数</li>  #}
        </table>
    </div>
    </body>
{% endblock %}