python-day70--django-Mysql-单表增删改查

项目名：bookmanage

app01文件夹 内的 __init__.py

import pymysql

pymysql.install_as_MySQLdb()

app01文件夹 内的models.py

from django.db import models

# Create your models here.
class Info(models.Model):
    id=models.AutoField(primary_key=True)
    name=models.CharField(max_length=32)
    author=models.CharField(max_length=32)
    pubDate=models.DateField()
    price=models.DecimalField(max_digits=5, decimal_places=2)

app01文件夹 内的views.py

from django.shortcuts import render,redirect
from app01 import  models
# Create your views here.
def chaxun(request):
    userDict=models.Info.objects.all()
    return render(request,'chaxun.html',{'userDict':userDict})

def shanchu(request,idd):
    models.Info.objects.filter(id=idd).delete()
    return redirect('/chaxun/')

def tianjia(request):
    if request.method=='POST':
        name=request.POST.get('name')
        author=request.POST.get('author')
        date=request.POST.get('date')
        price=request.POST.get('price')

        models.Info.objects.create(name=name,author=author,pubDate=date,price=price)
        return redirect('/chaxun/')

    return render(request,'tianjia.html')

def bianji(request):
    if request.method=='POST':
        idi=request.POST.get('id')
        name=request.POST.get('name')
        author=request.POST.get('author')
        date=request.POST.get('date')
        price=request.POST.get('price')

        models.Info.objects.filter(id=idi).update(name=name,author=author,pubDate=date,price=price)
        return redirect('/chaxun/')

    idi=request.GET.get('id')
    user_info=models.Info.objects.filter(id=idi)[0]
    id=user_info.id
    name=user_info.name
    author=user_info.author
    date=user_info.pubDate
    price=user_info.price
    return render(request,'bianji.html',{'id':id,'name':name,'author':author,'date':date,'price':price})

bookmanage文件夹 内的 settings.py

"""
Django settings for bookmanage project.

Generated by 'django-admin startproject' using Django 1.11.6.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'bh#p^+)-^@yc*&v7+_$k2%-#yms-^omlm*ai*cem-ahj!&4o)7'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'app01',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'bookmanage.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, "templates")],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'bookmanage.wsgi.application'

# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'bookinfo',  # 你的数据库名称
        'USER': 'root',  #你的数据库用户名
        'PASSWORD': '963.',  #你的数据库密码
        'HOST': '',  #你的数据库主机，留空默认为localhost
        'PORT': '',  #你的数据库端口
    }
}

# Password validation
# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
# https://docs.djangoproject.com/en/1.11/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/

STATIC_URL = '/static/'
STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'static'),
]

TEMPLATE_DIRS = (
    os.path.join(BASE_DIR,  'templates'),
    'app01',
)

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
        },
    },
    'loggers': {
        'django.db.backends': {
            'handlers': ['console'],
            'propagate': True,
            'level': 'DEBUG',
        },
    }
}

bookmanage文件夹 内的 urls.py

"""biaoge URL Configuration

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/1.11/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.conf.urls import url, include
    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
"""
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
    url(r'^chaxun/', views.chaxun),
    url(r'^shanchu/(\d+)', views.shanchu),
    url(r'^bianji/', views.bianji),
    url(r'^tianjia/', views.tianjia),
]

static 文件夹内放 bootstrap及 jQuery 文件

templates文件夹内的 模板

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title></title>
    <link rel="stylesheet" href="/static/bootstrap-3.3.7/css/bootstrap.min.css"/>
    <script src="/static/jquery-3.2.1.js"></script>
    <script src="/static/bootstrap-3.3.7/js/bootstrap.min.js"></script>
    <style>
        .ccc {
            margin-top: 70px;
        }

        .clc {
            height: 30px;
            margin-left: -15px;
            text-align: center;
            line-height: 30px;
            border-radius: 5px;
        }

        .menu {
            margin-top: 7px;

        }

        .panel {
            height: 580px;
        }

        .c2 {
            position: fixed;
            left: 1290px;
            top: 580px;
        }

        .ccc .row .sidebar {
            padding-top: 20px;
            height: 600px;
            background-color: #f5f5f5;
            margin-top: -20px;

        }
    </style>
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
    <div class="container-fluid">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar"
                    aria-expanded="false" aria-controls="navbar">
                <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="">图书管理系统</a>
        </div>
        <div id="navbar" class="navbar-collapse collapse">
            <ul class="nav navbar-nav navbar-right">
                <li><a href="">设置</a></li>
                <li><a href="">帮助</a></li>
                <li><a href="">退出</a></li>
            </ul>
            <form class="navbar-form navbar-right">
                <input type="text" class="form-control" placeholder="搜索...">
            </form>
        </div>
    </div>
</nav>
<div class="container-fluid ccc">
    <div class="row">
        <div class="col-sm-3 col-md-2 sidebar">
            <div class="menu">
                <div class="head bg-primary clc" id="clc1">菜单一</div>
                <ul class="nav nav-sidebar hide" id="clc4">
                    <li class=""><a href="">Overview <span
                            class="sr-only">(current)</span></a>
                    </li>
                    <li><a href="">Reports</a></li>
                    <li><a href="">Analytics</a></li>
                    <li><a href="">Export</a></li>
                </ul>
            </div>
            <div class="menu">
                <div class="head bg-primary clc" id="clc2">菜单二</div>
                <ul class="nav nav-sidebar hide" id="clc5">
                    <li><a href="">Nav item</a></li>
                    <li><a href="">Nav item again</a></li>
                    <li><a href="">One more nav</a></li>
                    <li><a href="">Another nav item</a></li>
                    <li><a href="">More navigation</a></li>
                </ul>
            </div>
            <div class="menu">
                <div class="head bg-primary clc" id="clc3">菜单三</div>
                <ul class="nav nav-sidebar hide" id="clc6">
                    <li><a href="">Nav item again</a></li>
                    <li><a href="">One more nav</a></li>
                    <li><a href="">Another nav item</a></li>
                </ul>
            </div>
        </div>

        <div class="col-sm-9 col-md-10 main">
            <div class="panel panel-primary">
                <div class="panel-heading">书籍信息</div>
                <div class="panel-body">
                    <!-- Button trigger modal -->
                    <a href="/tianjia/"><button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
                        添加
                    </button></a>

                    <table class="table table-hover">
{#                    <tr>#}
                        <thead>
                        <th>序号</th>
                        <th>书名</th>
                        <th>作者</th>
                        <th>出版日期</th>
                        <th>价钱</th>
                        </thead>
{#                    </tr>#}
                    {% block tbody %}

                    {% endblock tbody %}
                    <div class="row c2">
                        <nav aria-label="Page navigation " class="pull-right c5">
                            <ul class="pagination">
                                <li>
                                    <a href="#" aria-label="Previous">
                                        <span aria-hidden="true">&laquo;</span>
                                    </a>
                                </li>
                                <li><a href="#">1</a></li>
                                <li><a href="#">2</a></li>
                                <li><a href="#">3</a></li>
                                <li><a href="#">4</a></li>
                                <li><a href="#">5</a></li>
                                <li>
                                    <a href="#" aria-label="Next">
                                        <span aria-hidden="true">&raquo;</span>
                                    </a>
                                </li>
                            </ul>
                        </nav>
                    </div>
                    </table>
                </div>
            </div>
        </div>
    </div>
    <div class="row">
        <div class="col-md-6 col-md-offset-3" style="margin-top: -40px">
            <hr/>
            <div style="text-align: center">
                <a href="">关于我们 |</a>
                <a href="">联系我们 |</a>
                <a href="">意见与反馈 |</a>
                <a href="">友情链接 |</a>
                <a href="">公告</a>

                <div>
                    <div style="font-size: 13px">
                        版权所有：北京Cool科技有限公司
                    </div>
                </div>
            </div>

        </div>
    </div>
</div>
<script>

    $('.clc').on('click', function () {
        $(this).parent().siblings().children('ul').addClass('hide');
        $(this).next().toggleClass('hide');
    })

</script>
</body>
</html>

base.html

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title></title>
        <link rel="stylesheet" href="/static/bootstrap-3.3.7/css/bootstrap.min.css"/>
    <script src="/static/jquery-3.2.1.js"></script>
    <script src="/static/bootstrap-3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
    <div class="row col-md-4 col-md-offset-4" style="margin-top: 100px">
                {% block form %}
                {% endblock form %}
    </div>
    </div>

</body>
</html>

base2.html

{% extends 'base2.html' %}
{% block form %}
    <form action="/bianji/" method="post">
        {% csrf_token %}
        <input type="hidden" name="id" value="{{ id }}"/>
        <div class="form-group">
            <label for="usernaem">书名</label>
            <input type="text" class="form-control item"  id="usernaem" name="name" value="{{ name }}">
        </div>

        <div class="form-group">
            <label for="age">作者</label>
            <input type="text" class="form-control item" id="age" name="author" value="{{ author }}">
        </div>
        <div class="form-group">
            <label for="gender">出版时间</label>
            <input type="date" class="form-control item" id="gender" name="date" value="{{ date|date:'Y-m-d' }}">
        </div>
                <div class="form-group">
            <label for="gender1">价格</label>
            <input type="text" class="form-control item" id="gender1" name="price" value="{{ price }}">
        </div>
        <div class="pull-right"><a href="/chaxun/"><button type="button" class="btn btn-default" data-dismiss="modal">取消</button></a>
        <input type="submit" class="btn btn-primary"/>

    </div>
    </form>
{% endblock form %}

bianji.html

{% extends "base.html" %}
{% block tbody %}
    <tbody>
    {% for user_info in userDict %}
        <tr>
            <td>{{ forloop.counter }}</td>
            <td>{{ user_info.name }}</td>
            <td>{{ user_info.author }}</td>
            <td>{{ user_info.pubDate|date:'Y-m-d' }}</td>
            <td>{{ user_info.price }}</td>
            <td>
                <div class="pull-left">
                <a href="/shanchu/{{ user_info.id }}">
                    <button class="btn btn-danger" >删除</button>
                </a>
                </div>
                <a href="/bianji/?id={{ user_info.id }}">
                    <button class="btn btn-success" style="margin-left: 5px">编辑</button>
                </a>
            </td>
        </tr>
        </tbody>
    {% endfor %}
{% endblock tbody %}

chaxun.html

{% extends 'base2.html' %}
{% block form %}
    <form action="/tianjia/" method="post">
        {% csrf_token %}
        <div class="form-group">
            <label for="usernaem">书名</label>
            <input type="text" class="form-control item"  id="usernaem" name="name" placeholder="name">
        </div>

        <div class="form-group">
            <label for="age">作者</label>
            <input type="text" class="form-control item" id="age" name="author" placeholder="author">
        </div>
        <div class="form-group">
            <label for="gender">出版时间</label>
            <input type="date" class="form-control item" id="gender" name="date">
        </div>
        <div class="form-group">
            <label for="gender1">价格</label>
            <input type="text" class="form-control item" id="gender1" name="price" placeholder="price">
        </div>
        <div class="pull-right"><a href="/chaxun/"><button type="button" class="btn btn-default" data-dismiss="modal">取消</button></a>
        <input type="submit" class="btn btn-primary"/>
        </div>
    </form>
{% endblock form %}

tianjia.html