添加了购物车案例
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from django.contrib import admin
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from cart.models import Goods
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class GoodsAdmin(admin.ModelAdmin):
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list_display = ('id', 'name', 'price', 'image')
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admin.site.register(Goods, GoodsAdmin)
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from django.apps import AppConfig
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class CartConfig(AppConfig):
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name = 'cart'
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# Generated by Django 2.0.5 on 2018-05-25 05:11
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from django.db import migrations, models
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class Migration(migrations.Migration):
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initial = True
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dependencies = [
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]
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operations = [
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migrations.CreateModel(
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name='Goods',
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fields=[
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('id', models.AutoField(db_column='gid', primary_key=True, serialize=False)),
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('name', models.CharField(db_column='gname', max_length=50)),
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('price', models.DecimalField(db_column='gprice', decimal_places=2, max_digits=10)),
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('image', models.CharField(db_column='gimage', max_length=255)),
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],
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options={
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'db_table': 'tb_goods',
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'ordering': ('id',),
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},
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),
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]
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from django.db import models
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class Goods(models.Model):
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id = models.AutoField(primary_key=True, db_column='gid')
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name = models.CharField(max_length=50, db_column='gname')
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price = models.DecimalField(max_digits=10, decimal_places=2, db_column='gprice')
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image = models.CharField(max_length=255, db_column='gimage')
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class Meta:
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db_table = 'tb_goods'
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ordering = ('id',)
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from django.test import TestCase
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# Create your tests here.
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from django.shortcuts import render
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from cart.models import Goods
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def index(request):
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goods_list = list(Goods.objects.all())
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return render(request, 'goods.html', {'goods_list': goods_list})
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def show_cart(request):
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return render(request, 'cart.html')
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def add_to_cart(request, no):
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pass
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#!/usr/bin/env python
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import os
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import sys
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if __name__ == "__main__":
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "shop.settings")
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try:
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from django.core.management import execute_from_command_line
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except ImportError as exc:
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raise ImportError(
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"Couldn't import Django. Are you sure it's installed and "
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"available on your PYTHONPATH environment variable? Did you "
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"forget to activate a virtual environment?"
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) from exc
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execute_from_command_line(sys.argv)
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import pymysql
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pymysql.install_as_MySQLdb()
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"""
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Django settings for shop project.
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Generated by 'django-admin startproject' using Django 2.0.5.
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For more information on this file, see
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https://docs.djangoproject.com/en/2.0/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/2.0/ref/settings/
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"""
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import os
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# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
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BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = '+gqc54!5+uhvc^o0)fjvihmg&5uu^u+#s5m*fc+e+@bw*(+!w*'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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ALLOWED_HOSTS = []
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# Application definition
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INSTALLED_APPS = [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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'cart',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF = 'shop.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [os.path.join(BASE_DIR, 'templates')]
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,
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'shop.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.mysql',
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'NAME': 'Shop',
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'HOST': 'localhost',
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'PORT': 3306,
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'USER': 'root',
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'PASSWORD': '123456',
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}
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}
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# Password validation
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# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/2.0/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'Asia/Chongqing'
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USE_I18N = True
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USE_L10N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/2.0/howto/static-files/
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STATICFILES_DIRS = [os.path.join(BASE_DIR, 'static')]
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STATIC_URL = '/static/'
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"""shop URL Configuration
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The `urlpatterns` list routes URLs to views. For more information please see:
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https://docs.djangoproject.com/en/2.0/topics/http/urls/
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Examples:
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Function views
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1. Add an import: from my_app import views
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2. Add a URL to urlpatterns: path('', views.home, name='home')
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Class-based views
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1. Add an import: from other_app.views import Home
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2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
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Including another URLconf
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1. Import the include() function: from django.urls import include, path
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2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
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"""
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from django.contrib import admin
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from django.urls import path
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from cart import views
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urlpatterns = [
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path('', views.index),
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path('show_cart', views.show_cart),
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path('add_to_cart/<int:no>', views.add_to_cart),
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path('admin/', admin.site.urls),
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]
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"""
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WSGI config for shop project.
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It exposes the WSGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/2.0/howto/deployment/wsgi/
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"""
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import os
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from django.core.wsgi import get_wsgi_application
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "shop.settings")
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application = get_wsgi_application()
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drop database if exists Shop;
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create database Shop default charset utf8;
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use Shop;
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create table tb_goods
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(
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gid int not null auto_increment,
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gname varchar(50) not null,
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gprice decimal(10,2) not null,
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gimage varchar(255),
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primary key (gid)
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);
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insert into tb_goods values
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(default, '乐事(Lay’s)无限薯片', 8.2, 'images/lay.jpg'),
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(default, '旺旺 仙贝 加量装 540g', 18.5, 'images/wang.jpg'),
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(default, '多儿比(Dolbee)黄桃水果罐头', 6.8, 'images/dolbee.jpg'),
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(default, '王致和 精制料酒 500ml', 7.9, 'images/wine.jpg'),
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(default, '陈克明 面条 鸡蛋龙须挂面', 1.0, 'images/noodle.jpg'),
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(default, '鲁花 菜籽油 4L', 69.9, 'images/oil.jpg');
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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th, td { margin: 0; padding: 0; width: 180px; text-align: left; }
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.name { font-size: 14px; font-weight: bolder; width: 280px; }
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.price { color: red; font-size: 18px; }
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a { display: inline-block; text-align: center; background-color: red; }
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.back { width: 120px; height: 30px; line-height: 30px; }
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.del { width: 60px; height: 20px; line-height: 20px; }
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a:link, a:visited { color: white; text-decoration: none; }
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.left { float: left; width: 1000px;}
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.right { float: right; }
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.total { text-align: right; }
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</style>
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</head>
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<body>
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<div class="left">
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<h1>购物车列表</h1>
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<hr>
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</div>
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<div class="right">
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<a href="list_goods" class="back">返回</a>
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</div>
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{% if cart_items %}
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<table style="clear: both;">
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<tr>
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<th>商品名称</th>
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<th>商品单价</th>
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<th>商品数量</th>
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<th>商品总价</th>
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<th>操作</th>
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</tr>
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{% for item in cart_items %}
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<tr>
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<td class="name">{{ item.name }}</td>
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<td class="price">¥{{ item.unit_price }}</td>
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<td>{{ item.amount }}</td>
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<td class="price">¥{{ item.total_price }}</td>
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<td>
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<a href="" class="del">删除</a>
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</td>
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</tr>
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{% endfor %}
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<tr>
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<td colspan="5" class="total price">¥{{ cart.total }}元</td>
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</tr>
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</table>
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<a href="clear_cart" class="back">清空购物车</a>
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{% else %}
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<h3 style="clear: both;">购物车中暂时没有商品!</h3>
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{% endif %}
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</body>
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</html>
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<!DOCTYPE html>
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{% load staticfiles %}
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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img { display: inline-block; width: 150px; height: 150px; border: 1px solid gray; }
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th, td { margin: 0; padding: 0; width: 250px; text-align: left; }
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.name { font-size: 14px; font-weight: bolder; }
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.price { color: red; font-size: 18px; }
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a { display: inline-block; width: 120px; height: 30px; line-height: 30px; text-align: center; background-color: red; }
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a:link, a:visited { color: white; text-decoration: none; }
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.left { float: left; width: 1000px;}
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.right { float: right; }
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</style>
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</head>
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<body>
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<div class="left">
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<h1>商品列表</h1>
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<hr>
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</div>
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<div class="right">
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<a href="/show_cart">查看购物车</a>
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</div>
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<table style="clear:both;">
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<tr>
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<th>商品名称</th>
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<th>商品价格</th>
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<th>商品图片</th>
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<th>操作</th>
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</tr>
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{% for goods in goods_list %}
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<tr>
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<td class="name">{{ goods.name }}</td>
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<td class="price">¥{{ goods.price }}</td>
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<td>
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<img src="{% static goods.image %}" alt="{{ goods.name }}">
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</td>
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<td>
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<a href="/add_to_cart/{{ goods.id }}">加入购物车</a>
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</td>
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</tr>
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{% endfor %}
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</table>
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</body>
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</html>
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