Vue + Django API 前后端分离学习笔记 3.3 goods的model设计

刺骨的言语ヽ痛彻心扉 2022-02-12 18:27 131阅读 0赞

直接上代码

# -*- coding:utf-8 -*-
    
    from datetime import datetime
    
    from django.db import models
    from DjangoUeditor.models import UEditorField
    
    # Create your models here.
    # 这里可以实现用户自定义类别（三级）
    
    class GoodsCategory(models.Model):
        """
        商品类别
        """
        CATEGORY_TYPE = (
            (1, u'一级类目'),
            (2, u'二级类目'),
            (3, u'三级类目')
        )
        name = models.CharField(default='', max_length=30, verbose_name=u'类别名', help_text=u'类别名')
        code = models.CharField(default='', max_length=30, verbose_name=u'类别code', help_text=u'类别code' )
        desc = models.CharField(default='', verbose_name=u'类别描述', help_text=u'类别描述')
        category_type = models.CharField(choices=CATEGORY_TYPE, verbose_name=u'类目级别', help_text=u'类目级别')
    #知识点 递归调用 自撸
        parent_category = models.ForeignKey("self", null=True, blank=True, verbose_name=u'父类别', help_text=u'父类别',related_name='sub_cat')
    # 用与是否要在导航栏显示的商品类别
        is_tab = models.BooleanField(default=False, verbose_name=u'是否导航', help_text=u'是否导航')
        add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    
        class Meta:
            verbose_name = u'商品类别'
            verbose_name_plural = verbose_name
    
        def __str__(self):
            self.name
    
    #用于存储商品品牌信息
    class GoodsCategoryBrand(models.Model):
        """
        品牌名
        """
    
        name = models.CharField(default='', max_length=30, verbose_name=u'品牌名', help_text=u'品牌名')
        desc = models.TextField(default='', max_length=200, verbose_name=u'品牌描述', help_text=u'品牌描述')
        image = models.ImageField(upload_to = "brand/images/", max_length=200)
        add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    
        class Meta:
            verbose_name = u'品牌'
            verbose_name_plural = verbose_name
    
        def __str__(self):
            return self.name
    
    
    class Goods(models.Model):
        """
        商品
        """
        category = models.ForeignKey(GoodsCategory, null=True, blank=True, verbose_name=u'商品类目', on_delete=models.CASCADE)
        goods_sn = models.CharField(max_length=50, default='', verbose_name=u'商品唯一货号')
        name = models.CharField(max_length=300, verbose_name=u'商品名')
        click_nums = models.IntegerField(default=0, verbose_name=u'点击数')
        sold_num = models.IntegerField(default=0, verbose_name=u'商品销售量')
        fav_num = models.IntegerField(default=0, verbose_name=u'收藏数')
        goods_num = models.IntegerField(default=0, verbose_name=u'库存数')
        market_price = models.FloatField(default=0, verbose_name=u'市场价格')
        shop_price = models.FloatField(default=0, verbose_name=u'本店价格')
        goods_brief = models.TextField(default=0, verbose_name=u'商品简短描述')
    # 富文本插件 这个插件直接用教程的现成的（以后真正的环境就自己想办法用别的吧 原版不更新了）
        goods_desc = UEditorField(verbose_name=u'内容', imagePath='goods/images/', width=1000, height=300,filePath='goods/files/', default='')
        ship_free = models.BooleanField(default=True, verbose_name=u'是否承担运费')
        goods_front_image = models.ImageField(upload_to='', null=True, blank=True, verbose_name='封面图')
        is_new = models.BooleanField(default=False, verbose_name=u'是否新品')
        is_hot = models.BooleanField(default=False, verbose_name=u'是否热销')
        add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    
        class Meta:
            verbose_name = u'商品'
            verbose_name_plural = verbose_name
    
        def __str__(self):
            return self.name
    
    
    #商品详情的图片（不是首页的轮播图）
    class GoodsImage(models.Model):
        """
        商品轮播图
        """
        goods = models.ForeignKey(Goods, verbose_name=u'商品', related_name = 'images', on_delete=models.CASCADE)
        image = models.ImageField(upload_to='', verbose_name=u'图片', null=True, blank=True)
        image_url = models.CharField(max_length=300, null=True, blank=True, verbose_name=u'图片url')
        add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    
        class Meta:
            verbose_name = u'商品图片'
            verbose_name_plural = verbose_name
    
        def __str__(self):
            return self.goods.name
    
    
    # 首页轮播图
    class Banner(models.Model):
        """
        轮播的商品
        """
        goods = models.ForeignKey(Goods, verbose_name=u'商品', on_delete=models.CASCADE)
        image = models.ImageField(upload_to='banner', verbose_name=u'轮播图片')
        index = models.IntegerField(default=0, verbose_name=u'轮播顺序')
        add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    
        class Meta:
            verbose_name = u'轮播商品'
            verbose_name_plural = verbose_name
    
        def __str__(self):
            return self.goods.name

然后 在settings.py中添加app

INSTALLED_APPS = [
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.sessions',
        'django.contrib.messages',
        'django.contrib.staticfiles',
        'users.apps.UsersConfig',
        'DjangoUeditor',
        'users',
        'goods',
        'trade',
        'user_operation'
    ]

完事~吃饭去