python操作三大主流数据库(14)python操作redis之新闻项目实战②新闻数据的展示及修改、删除操作

python操作三大主流数据库(14)python操作redis之新闻项目实战②新闻数据的展示及修改、删除操作

项目目录：

├── flask_redis_news.py

├── forms.py

├── init_news.py

├── redis_news.py

├── static

│   ├── bootstrap-3.3.-dist

│   │   ├── css

│   │   ├── fonts

│   │   └── js

│   ├── bootstrap-3.3.-dist.zip

│   ├── datatables.min.css

│   ├── datatables.min.js

│   ├── img

│   │   └── news

│   ├── index.css

│   ├── jquery-3.3..min.js

│   └── main.css

├── templates

│   ├── admin

│   │   ├── add.html

│   │   ├── admin_base.html

│   │   ├── index.html

│   │   └── update.html

│   ├── cat.html

│   ├── detail.html

│   ├── home_base.html

│   └── index.html

1.服务端代码flask_redis_news.py

#coding:utf-8

import sys

defaultencoding = 'utf-8'

if sys.getdefaultencoding() != defaultencoding:

    reload(sys)

    sys.setdefaultencoding(defaultencoding)

import os

from datetime import datetime

from werkzeug import secure_filename

from flask import Flask, request, render_template, redirect, flash, url_for, abort

from flask_uploads import UploadSet, configure_uploads, IMAGES, patch_request_class

from forms import NewsForm

from redis_news import RedisNews

app = Flask(__name__)

app.config['SECRET_KEY'] = 'adfa@4314#31AD23#2'

app.config['UPLOADED_PHOTOS_DEST'] = "/data/three_db_python/redis_version01/static/img/news"

query = RedisNews()

photos = UploadSet('photos', IMAGES)

configure_uploads(app, photos)

patch_request_class(app)  # set maximum file size, default is 16MB

@app.route("/", methods = ['GET'])

def index():

    ''' 获取新闻列表 '''

    news_list = query.get_all_news()

    return render_template("index.html", news_list = news_list)

@app.route("/cat/<name>/", methods = ['GET'])

def cat(name):

    ''' 获取新闻列表 '''

    news_list = query.get_news_from_cat(name)

    return render_template("cat.html", news_list = news_list)

@app.route("/detail/<int:pk>/", methods = ['GET'])

def detail(pk):

    ''' 获取新闻列表 '''

    news_obj = query.get_news_from_id(pk)

    return render_template("detail.html", obj = news_obj)

@app.route("/admin/", methods = ['GET'])

@app.route("/admin/<int:page>/", methods = ['GET'])

def admin(page = None):

    ''' 获取后台新闻列表 '''

    if page is None:

        page = 1

    page_data = query.paginate(page, 5)

    return render_template("admin/index.html", page_data = page_data)

@app.route("/admin/add/", methods = ['GET','POST'])

def admin_add():

    ''' 从后台页面添加新闻 '''

    form = NewsForm()

    news_obj = {}

    # 提交增加

    if form.validate_on_submit():

        # 图片文件名

        filename = photos.save(form.photo.data)

        news_obj['title'] = form.title.data

        news_obj['news_type'] = form.news_type.data

        news_obj['img_url'] = form.img_url.data

        news_obj['content'] = form.content.data

        news_obj['created_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')

        news_obj['updated_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')

        query.add_new_from_page(news_obj)

        flash('添加成功')

        return redirect(url_for('admin'))

    return render_template("admin/add.html", form = form)

@app.route("/admin/update/<int:pk>/", methods = ['GET','POST'])

def admin_update(pk):

    ''' 获取后台新闻列表 '''

    # 获取新闻

    news_obj = query.get_news_from_id(pk)

    if news_obj is None:

        abort('no this news')

    form = NewsForm(data = news_obj)

    # 提交修改

    if form.validate_on_submit():

        news_obj['title'] = form.title.data

        news_obj['news_type'] = form.news_type.data

        news_obj['img_url'] = form.img_url.data

        news_obj['content'] = form.content.data

        news_obj['updated_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')

        query.update_news(pk, news_obj)

        flash('新闻修改成功')

        return redirect(url_for('admin'))

    return render_template("admin/update.html", form = form)

@app.route("/admin/delete/<int:pk>/", methods = ['GET','POST'])

def admin_delete(pk):

    ''' 删除新闻 '''

    news_obj = query.get_news_from_id(pk)

    if news_obj:

        query.delete_news(pk, news_obj)

        return 'yes'

    return 'no'

if __name__ == "__main__":

    app.run(debug = True,host="0.0.0.0")

2.辅助类新闻的具体操作redis_news.py

#coding:utf-8

import math

import redis

NEWS_FIELDS = (

    "title",

    "img_url",

    "content",

    "is_valid",

    "news_type",

    "created_at",

    "updated_at"

)

class RedisNews(object):

    def __init__(self):

        # 如果返回是二进制类似 b'3\xe6\x9c\x885\xe6\x97\xa5\xe...'需要加decode_responses=True

        try:

            self.r = redis.StrictRedis(host = 'localhost',

             port=6379,encoding='utf-8',

              decode_responses=True,

               db=1)

        except Exception as e:

            print('redis connect faild')

    def _news_id(self, int_id):

        ''' 新闻id '''

        return 'news:%d' % int(int_id)

    def _news_type(self, news_type):

        ''' 新闻类型 '''

        return 'news_type:%s' % news_type

    def _news_list_name(self):

        ''' 新闻列表名称 '''

        return 'news'

    def add_new_from_page(self, news_obj):

        ''' 从页面新增新闻数据 '''

        # 记录news_id的数字自增1

        int_id = self.r.incr('news_id', amount=1)

        # 获取新闻id

        news_id = self._news_id(int_id)

        # 新闻列表中添加

        self.r.lpush(self._news_list_name(), int_id)

        # 新闻类型中添加信息

        news_type = news_obj['news_type']

        self.r.sadd(news_type, int_id)

        # 新闻内容中添加信息

        self.r.hmset(news_id, news_obj)

    def add_news(self, news_obj):

        ''' 新增新闻数据 '''

        # 获取到新闻的id

        int_id = int(self.r.incr('news_id'))

        #　拼接新闻数据Hash key(news:2)

        news_id = self._news_id(int_id)

        # 存储新闻数据(hash)

        rest = self.r.hmset(news_id, news_obj)

        # 存储新闻的id list

        self.r.lpush(self._news_list_name(), int(int_id))

        # 存储新闻的类别-新闻id(set)

        news_type = _news_type(news_obj['news_type'])

        self.r.sadd(news_type, int_id)

        return rest

    def add_news_with_transaction(self, news_obj):

        ''' 使用事务来新增新闻数据 '''

        pipe = self.r.pipeline(transaction=True)

        int_id = self.r.incr('news_id')

        news_id = self._news_id(int_id)

        # 使用列表list获取新闻的id

        pipe.lpush(self._news_list_name(), int_id)

        # 使用hash来保存新闻具体内容

        pipe.hmset(news_id, news_obj)

        # 使用hash来保存新闻分类信息

        news_type = self._news_type(news_obj['news_type'])

        pipe.sadd(news_type, int_id)

        rest = pipe.execute()

        return rest

    def get_all_news(self):

        ''' 获取所有新闻信息 '''

        # 获取id列表

        id_list = self.r.lrange(self._news_list_name(), 0, -1)

        data_list = []

        for int_id in id_list:

            # 获取具体新闻内容

            news_id = self._news_id(int_id)

            data = self.r.hgetall(news_id)

            data['id'] = int_id

            # print(data)

            data_list.append(data)

        return data_list

    def get_news_from_id(self, news_id):

        ''' 根据新闻id获取新闻内容 '''

        news_id = self._news_id(news_id)

        # 根据新闻id获取新闻内容

        news_obj = self.r.hgetall(news_id)

        return news_obj

    def get_news_from_cat(self, cat_name):

        ''' 根据新闻类型获取新闻内容 '''

        news_list = []

        # 获取新闻类型

        news_type = self._news_type(cat_name)

        # print(news_type)

        # 获取新闻类型集合中新闻id的列表

        id_list = self.r.smembers(news_type)

        print(id_list)

        for int_id in id_list:

            # 获取新闻id

            news_id = self._news_id(int_id)

            # 根据新闻id获取新闻内容

            data = self.r.hgetall(news_id)

            data['id'] = int_id

            news_list.append(data)

        return news_list

    def update_news(self, pk, news_obj):

        ''' 新闻的修改 '''

        news_id = self._news_id(pk)

        # 修改新闻

        rest = self.r.hmset(news_id, news_obj)

        return rest

    def delete_news(self, pk, news_obj):

        '''

            新闻的删除，物理删除

            关于常用的方法可以通过查询redis的命令类型判断是list,string还是hash或者set

            1.命令列表定位到具体命令：http://www.redis.cn/commands.html#hash

            2.找到命令后，查询api的用法http://redis-py.readthedocs.io/en/latest/

        '''

        # 获取新闻id

        news_id = self._news_id(pk)

        # 从新闻列表中删除新闻id

        self.r.lrem(self._news_list_name(), 0, pk)

        # 从新闻的类型set集合中清理新闻id

        news_type = self._news_type(news_obj['news_type'])

        self.r.srem(news_type, pk)

        # 从新闻的内容hash列表中清理具体的新闻内容NEWS_FIELDS(具体的列信息)

        self.r.hdel(news_id, *NEWS_FIELDS)

    def paginate(self, page=1, per_page=5):

        ''' 新闻后台分页 '''

        if page is None:

            page = 1

        data_list = []

        # 开始页，结束页面

        start = (page - 1)*per_page

        end = page*per_page - 1

        # 获取所有新闻列表(计算页码使用)

        list_ids = self.r.lrange(self._news_list_name(), 0, -1)

        # 获取新闻列表

        id_list = self.r.lrange(self._news_list_name(), start, end)

        # print('id_list%s' % id_list)

        for int_id in id_list:

            news_id = self._news_id(int_id)

            # 根据新闻id获取新闻内容

            data = self.r.hgetall(news_id)

            data['id'] = int_id

            data_list.append(data)

        # print('data_list%s' % data_list)

        return Pagenation(data_list, page, per_page, list_ids)

    def init_news(self, data_list):

        ''' 批量导入新闻数据 '''

        for news_obj in data_list:

            rest = self.add_news_with_transaction(news_obj)

            print(rest)

class Pagenation(object):

    ''' 分页类 '''

    def __init__(self, data_list, now_page, per_page, list_ids):

        self.now_page = now_page

        self.data_list = data_list

        self.per_page = per_page

        self.list_ids = list_ids

    @property

    def page(self):

        ''' 当前页 '''

        return self.now_page

    @property

    def items(self):

        ''' 返回页面数据 '''

        return self.data_list

    @property

    def prev_num(self):

        ''' 上一页 '''

        return self.now_page - 1

    @property

    def next_num(self):

        ''' 下一页页码 '''

        return self.now_page + 1

    @property

    def has_prev(self):

        ''' 是否有上一页 '''

        return self.now_page > 1

    @property

    def has_next(self):

        ''' 是否有下一页 '''

        return self.per_page == len(self.data_list)

    def iter_pages(self):

        ''' 页码 '''

        # 获取所有的id长度(即新闻条数)除以每页显示的页面，得到取进一位的整数

        total_page = math.ceil(len(self.list_ids)/self.per_page)

        # print('total_page=%d' % total_page)

        return range(1, total_page)

3.表单类forms.py

from flask_wtf import FlaskForm

from wtforms import StringField, TextAreaField, SubmitField, SelectField

from flask_wtf.file import FileField, FileRequired, FileAllowed

from wtforms.validators import DataRequired

class NewsForm(FlaskForm):

    """新闻表单数据验证"""

    title = StringField(label = '新闻标题', validators = [DataRequired('请输入标题')],

        description = '请输入标题',

        render_kw={'required':'required', 'class':'form-control'})

    content = TextAreaField(label = '新闻内容', validators = [DataRequired('请输入新闻内容')],

        description = '请输入新闻内容',

        render_kw={'required':'required', 'class':'form-control'})

    news_type = SelectField('新闻类型', choices = [('推荐','推荐'), ('百家', '百家'),('本地','本地'), ('图片','图片')])

    img_url = StringField(label='新闻图片', description='请输入图片地址',

        render_kw={'required':'required', 'class':'form-control'})

    photo = FileField('图片上传', validators=[FileAllowed(['png', 'JPEG', 'jpg'], '只能上传图片！'),

        FileRequired('文件未选择！')])

    submit = SubmitField('提交')

4.前台展示页面

①模板home_base.html

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <link rel="stylesheet" href="{{ url_for('static', filename='bootstrap-3.3.7-dist/css/bootstrap.min.css')}}">

  <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='main.css')}}">

  <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='datatables.min.css')}}">

  <script type="text/javascript" src="{{ url_for('static', filename='jquery-3.3.1.min.js')}}"></script>

  <script type="text/javascript">

        $(document).ready(function() {

            $('#example').DataTable();

        } );

  </script>

  {% block head %}

  <title>首页</title>

  {% endblock %}

</head>

<body>

<div class="container">

    <h1>新闻列表</h1>

  <nav class="navbar navbar-inverse">

      <!-- 页面头部 -->

      <div class="navbar-header">

          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-menu" aria-expanded="false">

              <span class="sr-only">Toggle navigation</span>

              <span class="icon-bar"></span>

              <span class="icon-bar"></span>

              <span class="icon-bar"></span>

          </button>

      </div>

      <div id="navbar-menu" class="collapse navbar-collapse">

          <ul class="nav navbar-nav">

              <li class="active"><a href="/">首页</a></li>

              <li><a href="{{url_for('cat', name='推荐')}}">推荐</a></li>

              <li><a href="{{url_for('cat', name='百家')}}">百家</a></li>

              <li><a href="{{url_for('cat', name='本地')}}">本地</a></li>

              <li><a href="{{url_for('cat', name='图片')}}">图片</a></li>

          </ul>

      </div>

  </nav>

<!-- 新闻内容部分 -->

{% block content %}

<!-- 内容区域 -->

{% endblock %}

</div>

{% block extrajs %}

<!-- 其他脚本 -->

{% endblock %}

</body>

</html>

②首页index.html

{% extends 'home_base.html' %}

{% block content%}

<div id="content" class="row-fluid">

        <div class="col-md-12">

        <table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">

        <thead>

            <tr>

                <th>图片</th>

                <th>简介</th>

            </tr>

        </thead>

        <tbody>

        {% for obj in news_list %}

        <tr>

              <td>

              <img width=120 height=60 src="{{ obj.img_url }}" alt="图片">

              </td>

              <td>

              <p>

                <a href="{{ url_for('detail', pk=obj.id) }}">{{ obj.title }}</a>

                <small>{{ obj.created_at }}</small>

              </p>

              </td>

        </tr>

        {% endfor %}

        </tbody>

        </table>

        </div>

</div>

</div>

{% endblock %}

{% block extrajs %}

<script type="text/javascript" src="{{ url_for('static', filename = 'datatables.min.js')}}"></script>

{% endblock %}

③详情页detail.html

{% extends 'home_base.html' %}

  {% block head %}

  <title>新闻详情</title>

  {% endblock %}

{% block content%}

<div id="content" class="row-fluid">

        <div class="col-md-9">

            <h2>新闻详情，来自新闻id> {{obj.id}}</h2>

        </div>

         <div class="col-md-12">

        <table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">

        <thead>

            <tr>

                <th>{{ obj.content }}</th>

            </tr>

        </thead>

        <tbody>

        <tr>

              <td>

              <img width=600 height=500 src="{{ obj.img_url }}" alt="图片">

              </td>

              <td>

        </tr>

        <tr>

              <td>

              <p>

                {{ obj.title }}

                <small>{{ obj.created_at }}</small>

              </p>

              </td>

        </tr>

        </tbody>

        </table>

        </div>

</div>

</div>

{% endblock %}

</body>

</html>

④分类页面cat.html

{% extends 'home_base.html' %}

{% block head%}

<title>{{ name }}</title>

{% endblock %}

{% block content%}

<div id="content" class="row-fluid">

        <div class="col-md-12">

        <table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">

        <thead>

            <tr>

                <th>图片</th>

                <th>简介</th>

            </tr>

        </thead>

        <tbody>

        {% for obj in news_list %}

        <tr>

              <td>

              <img width=120 height=60 src="{{ obj.img_url }}" alt="图片">

              </td>

              <td>

              <p>

                <a href="{{ url_for('detail', pk=obj.id) }}">{{ obj.title }}</a>

                <small>{{ obj.created_at }}</small>

              </p>

              </td>

        </tr>

        {% endfor %}

        </tbody>

        </table>

        </div>

</div>

</div>

{% endblock %}

{% block extrajs %}

<script type="text/javascript" src="{{ url_for('static', filename = 'datatables.min.js')}}"></script>

{% endblock %}

5.后台管理页面

①后台模板页面admin/admin_base.html

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

     <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='bootstrap-3.3.7-dist/css/bootstrap.min.css')}}">

     {% block head %}

     <title>首页</title>

     {% endblock %}

</head>

<body>

    <!-- 导航栏 -->

    <div class="container">

        <div class="row">

        <div class="bs-example" data-example-id="default-navbar">

        <nav class="navbar navbar-default">

          <div class="container-fluid">

            <!-- Brand and toggle get grouped for better mobile display -->

            <div class="navbar-header">

              <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">

                <span class="sr-only">Toggle navigation</span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

              </button>

              <a class="navbar-brand" href="{{ url_for('admin_add')}}">添加新闻</a>

            </div>

            <!-- Collect the nav links, forms, and other content for toggling -->

            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">

              <ul class="nav navbar-nav">

                <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>

                <li><a href="#">Link</a></li>

                <li class="dropdown">

                  <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>

                  <ul class="dropdown-menu">

                    <li><a href="#">Action</a></li>

                    <li><a href="#">Another action</a></li>

                    <li><a href="#">Something else here</a></li>

                    <li role="separator" class="divider"></li>

                    <li><a href="#">Separated link</a></li>

                    <li role="separator" class="divider"></li>

                    <li><a href="#">One more separated link</a></li>

                  </ul>

                </li>

              </ul>

              <form class="navbar-form navbar-left">

                <div class="form-group">

                  <input type="text" class="form-control" placeholder="Search">

                </div>

                <button type="submit" class="btn btn-default">Submit</button>

              </form>

              <ul class="nav navbar-nav navbar-right">

                <li><a href="#">Link</a></li>

                <li class="dropdown">

                  <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>

                  <ul class="dropdown-menu">

                    <li><a href="#">Action</a></li>

                    <li><a href="#">Another action</a></li>

                    <li><a href="#">Something else here</a></li>

                    <li role="separator" class="divider"></li>

                    <li><a href="#">Separated link</a></li>

                  </ul>

                </li>

              </ul>

            </div><!-- /.navbar-collapse -->

          </div><!-- /.container-fluid -->

        </nav>

        <!-- 新闻内容部分 -->

        {% block content %}

        <!-- 内容区域 -->

        {% endblock %}

    </div>

{% block extrajs %}

<!-- 其他脚本 -->

{% endblock %}

</body>

</html>

②后台首页admin/index.html

{% extends 'admin/admin_base.html' %}

{% block head %}

<title>新闻后台首页</title>

{% endblock %}

{% block content %}

        <!-- 消息闪现 -->

        {% for msg in get_flashed_messages() %}

          <p class="bg-success">{{msg}}</p>

         {% endfor %}

        <!-- 表格，存放新闻具体内容 -->

        <table class="table table-hover">

            <tr class="info">

                    <th>编号</th>

                    <th>新闻标题</th>

                    <th>类别</th>

                    <th>添加时间</th>

                    <th>操作</th>

            </tr>

            {% for new_obj in page_data.items %}

            <tr class="active">

                <td>{{ new_obj.id }}</td>

                <td>{{ new_obj.title }}</td>

                <td>{{new_obj.types }}</td>

                <td>{{new_obj.created_at }}</td>

                <td><a href="{{url_for('admin_update', pk = new_obj.id)}}" class='btn btn-success'>修改</a><a data-url="{{ url_for('admin_delete', pk=new_obj.id) }}" class='btn btn-danger'>删除</a></td>

            </tr>

            {% endfor %}

        </table>

        <!-- 分页，默认分页 -->

        <nav aria-label="Page navigation">

          <ul class="pagination">

              {% if page_data.has_prev %}

            <li>

              <a href="{{ url_for('admin', page=page_data.prev_num) }}" aria-label="Previous">

                <span aria-hidden="true">&laquo;</span>

              </a>

            </li>

            {% else %}

            <li class="disabled"><a href="javascipt:;">&raquo;</a></li>

            {% endif %}

            {% for page in page_data.iter_pages() %}

            {% if page == page_data.page %}

            <li class="active">

                <a href="javascript:;">{{ page }}</a>

            </li>

            {% else %}

            <li>

                <a href="{{ url_for('admin', page=page) }}">{{ page }}</a>

            </li>

            {% endif %}

           {% endfor %}

           {% if page_data.has_next %}

            <li>

              <a href="{{ url_for('admin', page=page_data.next_num) }}">&raquo;</a>

            </li>

            {% else %}

            <li class="disabled">

              <a href="javascript:;">&raquo;</a>

            </li>

            {% endif %}

          </ul>

        </nav>

        </div>

        </div>

    {% endblock %}

{% block extrajs %}

<script type="text/javascript" src="{{ url_for('static', filename='jquery-3.3.1.min.js') }}"></script>

<script type="text/javascript">

    // 通过ajax异步删除新闻

     $(function(){

         $('.btn-danger').on('click', function(){

             var _this = $(this)

             var url = _this.attr('data-url')

             // 弹框确认是否删除

             if (confirm('确认删除吗？')){

                 // ajax发送post请求

                 $.post(url, function(res){

                     if(res == 'yes'){

                         // 如果后台删除成功则隐藏该行

                         _this.parents('tr').hide()

                     }else{

                         alert('删除失败');

                     }

                 })

             }

         })

     })

</script>

{% endblock %}

</body>

</html>

③后台添加页面admin/add.html

{% extends 'admin/admin_base.html' %}

{% block head %}

<title>新闻添加页面</title>

{% endblock %}

{% block content %}

    <!-- 添加新闻内容 -->

    <form action="/admin/add/" method="post" enctype="multipart/form-data">

        <div class="form-group">

            <label for="exampleInputEmail1">{{ form.title.label.text }}</label>

            <input type="text" name="title" class="form-control" id="exampleInputEmail1" placeholder="news title">

        </div>

        <div class="form-group">

            <label for="exampleInputPassword1">{{ form.news_type.label.text }}</label>

            <div>

                {{ form.news_type }}

            </div>

        </div>

        <div class="form-group">

            {{ form.photo }}

            {% for error in form.photo.errors %}

                 <span style="color: red;">{{ error }}</span>

                 {% endfor %}

            <p class="help-block">新闻图片上传</p>

        </div>

        <div class="form-group">

            <p class="help-block">新闻图片的路径</p>

            {{ form.img_url }}

        </div>

        <div class="form-group">

            {{ form.content }}

        </div>

        <br>

            {{ form.csrf_token }}

            {{ form.submit }}

    </form>

{% endblock %}

</body>

</html>

④后台新闻更新页面admin/update.html

{% extends 'admin/admin_base.html' %}

{% block head %}

<title>修改新闻</title>

{% endblock %}

{% block content %}

    <form role='form' class="form-horizontal" method="post">

      <div class="form-group">

        <label for="exampleInputEmail1">{{ form.title.label.text }}</label>

        <div>

        {{form.title}}

        </div>

      </div>

      <div class="form-group">

        <label for="exampleInputPassword1">{{ form.news_type.label.text }}</label>

        <div>

            {{ form.news_type }}

        </div>

      </div>

      <div class="form-group">

        <label for="exampleInputFile">{{ form.img_url.label.text }}</label>

        <input type="file" name="image" id="exampleInputFile">

        {{ form.img_url }}

        <!-- <p class="help-block">新闻图片上传</p> -->

      </div>

      <div class="form-group">

        {{ form.content }}

      </div>

      <br>

      {{ form.csrf_token }}

      {{ form.submit }}

    </form>

{% endblock %}

</body>

</html>

python操作三大主流数据库(14)python操作redis之新闻项目实战②新闻数据的展示及修改、删除操作的相关教程结束。