三十3、評論列表顯示及排序，我的中心顯示

1.顯示全部評論
{% for foo in ques.comments %}

<ul class="list-group" style="margin: 10px">
        <a>{% for foo in ques.comments %}</a>
            <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 style="">{{ foo.detail }}</p><br>
    </li>
    {% endfor %}
        </ul>

 

2.全部評論排序
uquestion = db.relationship('Question', backref=db.backref('comments', order_by=creat_time.desc))

question = db.relationship('Question',backref = db.backref('comments', order_by=create_time.desc))

 

3.顯示評論條數
{{ ques.comments|length }}

<h4>評論:({{ ques.comments|length }})</h4>

 

4.完成我的中心

1.我的中心的頁面佈局（html文件及相應的樣式文件）

2.定義視圖函數def usercenter(user_id):

3.向前端頁面傳遞參數

4.頁面顯示相應數據、發佈的所有問答、發佈的所有評論、我的信息

5.各個頁面連接到我的中心

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

html文件：

{% extends 'base.html' %} {% block title %}我的中心{% endblock %} {% block main %} <div class="page-header"> <h3><span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>{{ username }} <br> <small>所有問答<span class="badge"></span></small> </h3> <ul class="list-group" style="margin: 10px"> {% for foo in user.question %} <li class="list-group-item"> <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span> <a href="#">{{ foo.author.username }}</a> <span class="badge">{{ foo.create_time }}</span> <p>{{ foo.detail }}</p> </li> {% endfor %} </ul> </div> <div class="page-header"> <h3><span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>{{ user.username }} <br> <small>所有評論<span class="badge"></span></small> </h3> <ul class="list-group" style="margin: 10px"> {% for foo in user.comments %} <li class="list-group-item"> <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span> <a href="#">{{ foo.author.username }}</a> <span class="badge">{{ foo.create_time }}</span> <p>{{ foo.detail }}</p> </li> {% endfor %} </ul> </div> <div class="page-header"> <h3><span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>{{ user.username }} <br> <small>我的信息<span class="badge"></span></small> </h3> <ul class="list-group" style="margin: 10px"> <li class="list-group-item">用戶：{{ user.username }}</li> <li class="list-group-item">編號：{{ user.id }}</li> <li class="list-group-item">暱稱：</li> <li class="list-group-item">文章：</li> </ul> </div> {% endblock %}