国庆续写商品管理系统(二)
国庆有点懒散更新的内容不多,大家国庆快乐
一.做的事情
- 设置中国时区
- 修改表单存储位置
- 设计商品相关的表,主要是总库存,退货,进货,销售
- 优化登入验证码,去除
1iO0
这些让人难以区分的内容 - 重新设计文件目录
二.配置相关
setting.py
"""
Django settings for drf_test project.
Generated by 'django-admin startproject' using Django 1.11.22.
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 = 'ppa5l3jvxr4k^ow*4o+0_^7@&sa3x+!hb_$artwraa%60iq@g7'
# 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',
'drf_api',
]
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 = 'drf_test.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 = 'drf_test.wsgi.application'
# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql', # 数据库引擎
'NAME': 'mib', # 你要存储数据的库名,事先要创建之
'USER': 'root', # 数据库用户名
'PASSWORD': '16745', # 密码
'HOST': 'localhost', # IP
'PORT': '3306', # 数据库使用的端口
}
}
# 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 = 'zh-hans'
TIME_ZONE = 'Asia/Shanghai'
USE_I18N = True
USE_L10N = True
USE_TZ = False
# 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'),)
AUTH_USER_MODEL = "drf_api.UserInfo"
MEDIA_URL = "/img/"
MEDIA_ROOT = os.path.join(BASE_DIR, "img")
三.验证码相关
from django.shortcuts import render,HttpResponse,redirect
from django.http import JsonResponse
from PIL import Image,ImageDraw,ImageFont
import random
from io import BytesIO
from django.contrib import auth
from drf_api.userinfo_form import Register
from drf_api import models
from rest_framework.throttling import SimpleRateThrottle
def test(request):
return render(request, 'aa.html')
def register(request):
if request.method=='GET':
form=Register()
return render(request, 'register.html', {'form':form})
elif request.is_ajax():
response={'code':100,'msg':None}
form = Register(request.POST)
if form.is_valid():
#校验通过的数据
clean_data=form.cleaned_data
#把re_pwd剔除
clean_data.pop('re_pwd')
#取出头像
avatar=request.FILES.get('avatar')
if avatar:
clean_data['avatar']=avatar
user=models.UserInfo.objects.create_user(**clean_data)
if user:
response['msg'] = '创建成功'
else:
response['code'] = 103
response['msg'] = '创建失败'
else:
response['code']=101
#把校验不通过的数据返回
response['msg']=form.errors
print(type(form.errors))
return JsonResponse(response,safe=False)
def login(request):
if request.method=='GET':
return render(request, 'login.html')
else:
print(request.POST)
user_name=request.POST.get('name')
pwd=request.POST.get('pwd')
code=request.POST.get('code')
user=auth.authenticate(username=user_name,password=pwd)
print(user)
if request.session.get('code').upper() !=code.upper(): #忽略大小写
return HttpResponse('验证码错误')
elif not user:
return HttpResponse('账号密码错误')
else:
auth.login(request,user)
return HttpResponse('登入成功')
def get_code(request):
if request.method == 'GET':
img = Image.new('RGB', (350, 40), (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
# 写文字
# 生成一个字体对象
font = ImageFont.truetype('/static/Gabriola.ttf', 34)
# 调用方法,返回一个画板对象
draw = ImageDraw.Draw(img)
new_text =''
x = 100
# 生成随机8位数字
text_chiose = 'zxcvbnmasdfghjklqwertyup23456789ZXCVBNMASDFGHJKLQWERTYUP'
text_list=random.sample(text_chiose,8)
for text in text_list:
x+=20
y = random.randint(1,5)
draw.text((x, y), text, (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)),
font=font)
new_text +=text
# 加点线
width = 320
height = 35
for i in range(2):
x1 = random.randint(0, width)
x2 = random.randint(0, width)
y1 = random.randint(0, height)
y2 = random.randint(0, height)
# 在图片上画线
draw.line((x1, y1, x2, y2), fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
for i in range(10):
# 画点
draw.point([random.randint(0, width), random.randint(0, height)], fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
x = random.randint(0, width)
y = random.randint(0, height)
# 画弧形
draw.arc((x, y, x + 4, y + 4), 0, 90, fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
print(new_text)
#存在session中
request.session['code']=new_text
#存内存
f = BytesIO()
img.save(f, 'png')
return HttpResponse(f.getvalue())
四.模型相关
from django.db import models
from django.contrib.auth.models import AbstractUser
from rest_framework import mixins
# Create your models here.
class UserInfo(AbstractUser):
avatar = models.FileField(upload_to='avatar/', default='avatar/default.png')
class Meta:
verbose_name='用户表'
verbose_name_plural = verbose_name
class Commodity(models.Model):
id = models.SmallIntegerField(primary_key=True,db_column='序号')
name = models.CharField(max_length=60,db_column='商品名',null=True)
inventory = models.IntegerField(db_column='库存',null=True)
cost = models.DecimalField (max_digits=60,decimal_places=2,db_column='单件成本',null=True)
selling_price= models.DecimalField (max_digits=60,decimal_places=2,db_column='销售价格',null=True)
quantity_in = models.IntegerField(db_column='进货总数量',null=True)
sales_volume = models.IntegerField(db_column='销售量总数量',null=True)
return_volume = models.IntegerField(db_column='退货总数量',null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
def __str__(self):
return self.name
class Meta:
db_table = "库存表"
class DaySales(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
date = models.DateTimeField(auto_now_add=True,db_column='日期')
number = models.DecimalField(max_digits=60, decimal_places=2, db_column='营业总额', null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.date
class Meta:
db_table = "日销售表"
class DayStock(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
date = models.DateTimeField(auto_now_add=True,db_column='日期')
number = models.DecimalField(max_digits=60, decimal_places=2, db_column='进货总额', null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.date
class Meta:
db_table = "日进货表"
class DayReturn(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
date = models.DateTimeField(auto_now_add=True,db_column='日期')
number = models.DecimalField(max_digits=60, decimal_places=2, db_column='退货总额', null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.date
class Meta:
db_table = "日退货表"
class CommoditySales(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
name = models.CharField(max_length=60,db_column='商品名',null=True)
data = models.ForeignKey('DaySales','id',db_column='销售日期',null=True)
selling_price= models.DecimalField (max_digits=60,decimal_places=2,db_column='销售价格',null=True)
sales_volume = models.IntegerField(db_column='销售量数量',null=True)
batch = models.IntegerField(db_column='批号',null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.name
class Meta:
db_table = "商品销售表"
class CommodityStock(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
name = models.CharField(max_length=60,db_column='商品名',null=True)
data = models.ForeignKey('DayStock','id',db_column='进货日期',null=True)
cost = models.DecimalField (max_digits=60,decimal_places=2,db_column='单件成本',null=True)
Stock_volume = models.IntegerField( db_column='进货数量', null=True)
batch = models.IntegerField(db_column='批号',null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.name
class Meta:
db_table = "商品进货表"
class CommodityReturn(models.Model):
id = models.SmallIntegerField(primary_key=True, db_column='日期序号')
name = models.CharField(max_length=60,db_column='商品名',null=True)
data = models.ForeignKey('DayReturn','id',db_column='退货日期',null=True)
cost = models.DecimalField (max_digits=60,decimal_places=2,db_column='退货价格',null=True)
return_volume = models.IntegerField( db_column='退货数量', null=True)
batch = models.IntegerField(db_column='批号',null=True)
is_delete = models.BooleanField(default=False, db_column='是否删除')
date_changed = models.DateTimeField(auto_now=True,db_column='最后修改日期')
def __str__(self):
return self.name
class Meta:
db_table = "商品退货表"