显示所有评论

{% for foo in ques.comments %

{% for foo in comments %}                    
                                                {
   { foo.author.username }}                        {
   { foo.creat_time }}                        
{
   { foo.detail }}

所有评论排序

uquestion = db.relationship('Question', backref=db.backref('comments', order_by=creat_time.desc))

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'))    question_id = db.Column(db.Integer,db.ForeignKey('question.id'))    create_time = db.Column(db.DateTime,default=datetime.now)    detail = db.Column(db.Text,nullable=False)    question = db.relationship('Ques',backref = db.backref('comments',order_by=create_time.desc))    author = db.relationship('User',backref = db.backref('comments'))

显示评论条数

{

{ ques.comments|length }}

     
                            
      
评论：{
   { ques.comments|length }}
                        
     

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

{% extends 'navigation.html' %}{% block title %}个人中心{% endblock %}{% block main %}    
     
        
      
{
   { username }}
            全部问答        
        
      
                   {% for foo in question %}                
       
                                        {
   { foo.author.username }}                    {
   { foo.creat_time }}                    
{
   { foo.detail }}
                
            {% endfor %}        
      
    
     
     
     
        
      
{
   { user }}
            全部评论        
        
      
                   {% for foo in comments %}                
       
                                        {
   { foo.author.username }}                    {
   { foo.creat_time }}                    
{
   { foo.detail }}
                
            {% endfor %}        
      
    
     
     
     
        
      
{
   { user }}
            个人信息        
        
      
            
       
用户：{
   { username }}
            
       
编号：
            
       
昵称：
        
      
    
     
 {% endblock %}

@app.route('/usercenter/
     
      ')@loginFirstdef 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)