完成个人中心—导航标签

@app.route(‘/usercenter/<user_id>/<tag>‘)
@loginFirst
def usercenter(user_id,tag):
    user = User.query.filter(User.id==user_id).first
    context ={
        ‘user‘:user
    }
    if tag ==‘1‘:
        return render_template(‘usercenter1.html‘, **context)
    elif tag ==‘2‘:
        return render_template(‘usercenter2.html‘, **context)
    else:
        return render_template(‘usercenter3.html‘, **context)

<ul class="nav_ul">
    <li role="presentation"><a href="{{ url_for(‘usercenter‘,user_id= user.id,tag=1) }}">全部提问</a></li>
    <li role="presentation"><a href="{{ url_for(‘usercenter‘,user_id= user.id,tag=2) }}">全部评论</a></li>
    <li role="presentation"><a href="{{ url_for(‘usercenter‘,user_id= user.id,tag=3) }}">个人信息</a></li>
</ul>

  <a href="{{ url_for(‘usercenter‘,user_id=foo.author_id,tag=1)}}">{{ foo.author.username}}</a>
 <a href="{{ url_for(‘usercenter‘,user_id= session.get(‘id‘),tag =1) }}">{{ session.get(‘user‘) }}</a>