码迷,mamicode.com
首页 > 其他好文 > 详细

首页列表显示全部问答,完成问答详情页布局。

时间:2017-12-06 14:34:14      阅读:202      评论:0      收藏:0      [点我收藏+]

标签:查询   lock   ted   title   eth   word   span   tar   deb   

1.首页列表显示全部问答:

  1. 将数据库查询结果传递到前端页面 Question.query.all()
  2. 前端页面循环显示整个列表。
  3. 问答排序

2.完成问答详情页布局:

  1. 包含问答的全部信息
  2. 评论区
  3. 以往评论列表显示区。

3.在首页点击问答标题,链接到相应详情页。

shouye.html

{% extends‘base.html‘ %}
    {% block title %}
    首页
    {% endblock %}
{% block head %}

    <script src="{{url_for(‘static‘,filename=‘js/base.js‘) }}" type="text/javascript"></script>
    <link href="{{ url_for(‘static‘ ,filename=‘css/base.css‘) }}"  rel="stylesheet" type="text/css">
    {% endblock %}
    {% block main %}
    {% for foo in question %}
<body id="myBody">
        <div id="gufeng">
       <ul class="list" >
             <li>用户名:{{ foo.author.username }}</li>
          <a href="{{ url_for("detail") }}">标题:{{ foo.title }}</a>
           <li class="">问题:{{ foo.detail }}</li>
           <li class="">时间:{{ foo.time }}</li>
       </ul>
        </div>
    {% endfor %}
    <footer>
        <div class="footer_box">
            Copyright@2017-2027 个人版权,版权所有 作者:JZX telephone:0000-1234567 mobile phone:11111111111
        </div>
    </footer>
{% endblock %}

 xiangqing.html

{% extends "base.html" %}
{% block title%}问答详情{% endblock %}

{% block main %}
<body bgcolor="#ffd700">
    <div class="GuFeng">
      <h>标题</h><br>
        <li>username</li>
        <li>time</li>
        <hr>
        <li>标题</li>
        <hr>
        <textarea name=‘talk‘></textarea>
        <br><button>发布</button>
        <p>评论:</p>
        <table border=2 >
            <tr><td>评论内容</td></tr>
            <tr><td>评论内容</td> </tr>
            <tr><td>评论内容</td></tr>
            </tr>
        </table>
    </div>
</body>
{% endblock %}

 py

from flask import Flask,render_template,request,redirect,url_for,session
from flask_sqlalchemy import SQLAlchemy
import config
from datetime import datetime
from functools import wraps

app = Flask(__name__)
app.config.from_object(config)
db=SQLAlchemy(app)

class User(db.Model):
    __table__name = user
    id = db.Column(db.Integer,primary_key=True,autoincrement=True)
    username = db.Column(db.String(20),nullable=False)
    password = db.Column(db.String(20),nullable=False)
    nickname = db.Column(db.String(50))

class Question(db.Model):
    __tablename__ = question
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    title = db.Column(db.String(100), nullable=False)
    detail = db.Column(db.Text, nullable=False)
    creat_time = db.Column(db.DateTime, default=datetime.now)
    author_id = db.Column(db.Integer, db.ForeignKey(user.id))
    author = db.relationship(User, backref=db.backref(question))
#db.create_all()

@app.route(/)
def index():
    context={
        question: Question.query.all()
    }
    return render_template(index.html,**context)

@app.route(/detail/)
def detail():
    return render_template(detail.html)

@app.route(/zhuce/,methods=[GET,POST])
def zhuce():
    if request.method ==GET:
        return  render_template(zhuce.html)
    else:
        usern = request.form.get(name)
        teln = request.form.get(password)
        passw = request.form.get(password1)
        user = User.query.filter(User.username==usern).first()
        if user:
            return username existed
        else:
            user= User(username=usern,tel=teln,password=passw)
            db.session.add(user)
            db.session.commit()
            return redirect(url_for(login))

@app.route(/login/, methods=[GET,POST])
def login():
    if request.method == GET:
        return render_template(login.html)
    else:
        username = request.form.get(username)
        password = request.form.get(password)
        user = User.query.filter(User.username == username).first()
        if user:
            if user.password ==password:
                session[user] = username
                return redirect(url_for(index))
            else:
                return upassword error
        else:
            return uusername is not existed

@app.context_processor
def mycontext():
    usern = session.get(user)
    if usern:
        return{username:usern}
    else:
        return {}
    
@app.route(/logout)
def logout():
    session.clear()
    return redirect(url_for(index))

def loginFirst(func):
    @wraps(func)
    def wrapper(*args,**kwargs):
        if session.get(user):
            return func(*args,**kwargs)
        else:
            return redirect(url_for(login))
    return  wrapper
@app.route(/question/,methods=[GET,POST])
@loginFirst
def question():
    if request.method == GET:
        return render_template(question.html)
    else:
        title = request.form.get(title)
        detail = request.form.get(detail)
        author_id = User.query.filter(User.username == session.get(user)).first().id
        question = Question(title=title, detail=detail, author_id=author_id)
        db.session.add(question)
        db.session.commit()
    return redirect(url_for(index))
if __name__ == __main__:
    app.run(debug=True)

 

首页列表显示全部问答,完成问答详情页布局。

标签:查询   lock   ted   title   eth   word   span   tar   deb   

原文地址:http://www.cnblogs.com/gdlyzx/p/7992093.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!