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1. 顯示全部評論
   {% for foo in ques.comments %}
   
   
2. 全部評論排序
   uquestion = db.relationship('Question', backref=db.backref('comments', order_by=creat_time.desc))
   
   
3. 顯示評論條數
   {{ ques.comments|length }}
   
   
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

 評論：

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{% extends "myweb.html" %} {% block detailtitle%}問答詳情{% endblock %}   {% block detailhead %} {% endblock %}   {% block mywebbody %}       <div class="page-header" style="color: black" align="center">         <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">請評論         <div class="form-group">             <textareaname="new_comment"class="form-control"rows="3"id="new-comment"placeholder=""></textarea>             <input type="hidden" name="question_id" value="{{ ques.id }}">         </div>         <buttontype="submit"class="btn btn-default">發送</button>     </form>     <h4>評論:({{ ques.comments|length }})</h4>       <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 style="">{{foo.detail}}</p>         </li> {% endfor %}     </ul>   {% endblock %}

　　定義usercenter

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@app.route('/usercenter/<user_id>') @loginfirst def usercenter(user_id):     user=User.query.filter(User.id==user_id).first()     mycontext={         'username':user.username,         'questions':user.question,         'comments':user.comments,     }     returnrender_template('usercenter.html',**mycontext)

　　我的中心

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{% extends 'myweb.html' %} {% block title %}我的中心 {% endblock%} {% block main%}   <div class="page-header">     <h3><span class="glyphicon glyphicon-user" aria-hidden="true"></span>     {{username}} <br> <small>所有問答><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>我的信息><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>我的信息><span class="badge"></span> </small></h3>       <ul class="list-group" style="">           <li class="list-group-item">用戶：{{username}}</li>           <li class="list-group-item">編號：</li>           <li class="list-group-item">暱稱：</li>           <li class="list-group-item">文章篇：</li>       </ul> </div>   {% endblock %}