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

上次写到点我查看

• 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"