评论列表显示及排序，个人中心显示

 <div>

            <h4>评论：({{ sen.comments|length }})</h4>
            {% for foo in comment %}
                <ul style="padding-left: 0px;margin-bottom: 0px;">
                    <li class="list-group-item" style="width: 900px">
                        <a href="{{ url_for(‘usercenter‘,user_id=foo.author.id) }}">{{ foo.author.username }}</a>
                        <span class="badge">评论时间:{{ foo.creat_time }}</span>
                        <p>{{ foo.detail }}</p>
                    </li>
                </ul>

            {% endfor %}

        </div>

class Comment(db.Model):
    __tablename__ = ‘comment‘
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    author_id = db.Column(db.Integer, db.ForeignKey(‘user.id‘))
    sent_id = db.Column(db.Integer, db.ForeignKey(‘sent.id‘))
    creat_time = db.Column(db.DateTime, default=datetime.now)
    detail = db.Column(db.TEXT, nullable=False)
    sent = db.relationship(‘Sent‘, backref=db.backref(‘comments‘,order_by=creat_time.desc))
    author = db.relationship(‘User‘, backref=db.backref(‘comments‘))

   <h4>评论：({{ sen.comments|length }})</h4>

{% extends ‘index.html‘ %}
<title>
    {% block title %}
        个人中心
    {% endblock %}
</title>
{% block head %}
 <link rel="stylesheet" type="text/css" href="{{ url_for(‘static‘,filename=‘css/geren.css‘) }}">
{% endblock %}
{#<link rel="stylesheet" href="../static/css/geren.css">#}

{% block body %}
<div class="all have-img">

    <div>
        {% for foo in username %}
        <h4>用户名：{{ foo.author.username }}
            <br>
            <small>全部问答</small>
        </h4>
        <ul style="padding-left: 0px;margin-bottom: 0px;">
            <li class="list-group-item" style="width: 900px">
                <a href="">{{ foo.author.username }}</a>
                <span class="badge">评论时间:{{ foo.creat_time }}</span>
                <p>{{ foo.detail }}</p>
            </li>
        </ul>
    </div>
    <hr>

    <div>
        {% for foo in comment %}
        <h4>用户名：{{ foo.author.username }}
            <br>
            <small>全部评论</small>
        </h4>
        <ul style="padding-left: 0px;margin-bottom: 0px;">
            <li class="list-group-item" style="width: 900px">
                <a href="#">{{ foo.author.username }}</a>
                <span class="badge">评论时间:{{ foo.creat_time }}</span>
                <p>{{ foo.detail }}</p>
            </li>
        </ul>

    </div>
    <hr>

    <div>
        <h4>{{ user }}
            <br>
            <small>用户资料</small>
        </h4>

        <ul style="padding-left: 0px;margin-bottom: 0px;">
            <li class="list-group-item" style="width: 900px">用户：{{ username }}</li>
            <li class="list-group-item" style="width: 900px">编号：</li>
            <li class="list-group-item" style="width: 900px">昵称：</li>
        </ul>
    </div>

</div>
{% endblock %}

.all {
    margin-left: 300px;
    margin-right: auto;
    width: 300px;
}

.have-img {
    list-style-type: none;
}

.list-group-item {
    position: relative;
    display: block;
    padding: 10px 15px;
    margin-bottom: -1px;
    background-color: #fff;
    border: 1px solid #ddd;
}

.badge {
    display: inline-block;
    min-width: 10px;
    padding: 3px 7px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    background-color: #777;
    border-radius: 10px;
    margin-left: 650px;
}

hr {
    width: 930px;
    color: #fcf3f3;
}

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

<input type="hidden" name="sent_id" id="sent_id" value="{{ sen.id }}">

#首页用户名链接到个人中心
<a class="nickname" target="_blank" href="{{ url_for(‘usercenter‘,user_id=foo.author_id) }}">{{ foo.author.username }}</a>


#详情用户名连接到个人中心
  <a href="{{ url_for(‘usercenter‘,user_id=foo.author.id) }}">{{ foo.author.username }}</a>