12.12

1. 显示所有评论
   {% for foo in ques.comments %}

   <ul class="list-group" style="margin: 30px">
           {% for foo in pos.comments %}
               <li class="list-group-item">
                   <span class="glyphicon glyphicon-heart-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>{{ foo.detail }}</p>
               </li>
           {% endfor %}
       </ul>

    

   
   
   
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

 detail.html:

{% extends'base.html' %}
{% blook title %}问答详情{% endblock %}
{% block main %}
   <div class="page-header"
        <h3>{{ ques.title }}<br><small>{{ ques.author.username }}<span class="badge">{{ ques.creat_time}} </span></small></h3>
</div>
<p class="lead">{{ ques.detail }}</p>
<hr>
<form action="{{ url_for('comment') }}"method="''post"style=""></form>
<h4> 评论：({{ ques.comments|length }})</h4>
<ul class="list-group" style="align-items: ">
</ul>
    <ul class="list-group" style="margin:10px">
        {% for foo in ques.comments %}
             <li class="list-group-item">
                 <span class="glyphicon glyphicon-heart-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>{{ foo.detail }}</p>
        </li>

    {% endfor %}
    </ul>
{% endblock %}

 py:

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

usercenter.html

{% extends 'daohang.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 user.question %}
            <li class="list-group-item">
                <spanclass="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
                <a href="#">{{foo.author.username }}</a>
                <spanclass="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>person information><span class="badge"></span> </small></h3>
    <ul class="list-group" style="">
          {% for foo in user.comments %}
            <li class="list-group-item">
                <spanclass="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
                <a href="#">{{foo.author.username }}</a>
                <spanclass="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>person information><span class="badge"></span> </small></h3>
      <ul class="list-group" style="">
          <li class="list-group-item">username：{{username}}</li>
          <li class="list-group-item">number：</li>
          <li class="list-group-item">nicheng：</li>
          <li class="list-group-item">new page：</li>
      </ul>
</div>
 
{% endblock %}