from django.db import models

class Category(models.Model):
  ...

  class Meta:
    verbose_name_plural = verbose_name = "分類"  # 該模型在后臺顯示的名稱

  def __str__(self):  # 該模型每一個(gè)實(shí)例顯示其name
    return self.name

class Product(models.Model):
  ...

  class Meta:
    verbose_name_plural = verbose_name = "商品"

  def __str__(self):
    return self.name

class Order(models.Model):
  ...

  class Meta:
    verbose_name_plural = verbose_name = "訂單"

  def __str__(self):
    return "{}的訂單".format(self.username)

class OrderItem(models.Model):
  ...

  class Meta:
    verbose_name_plural = verbose_name = "訂單條目"

  def __str__(self):
    return "{}訂單條目".format(self.order)

from django.contrib import admin
from .models import Category, Product, Order, OrderItem

admin.site.site_header = 'Django-Shop后臺'
admin.site.site_title = 'Django-Shop后臺'


class OrderItemInline(admin.TabularInline):  # 建立內(nèi)聯(lián)表單, 用于將訂單條目內(nèi)嵌入訂單的表單中
  model = OrderItem


@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
  fields = ('name', 'slug')
  list_display = ('name', 'slug')
  list_filter = ('name', 'slug')


@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
  fields = ('name', 'slug', 'category', 'price', 'available', 'description') # 詳情表單包含的字段, 支持嵌套分組(將一行展示)
  list_display = ('name', 'category', 'price', 'available', 'created', 'updated') # 列表顯示字段
  list_filter = ('category', 'available')  # 列表篩選字段
  search_fields = ('name', ) # 列表可搜索字段
  list_editable = ('price', 'available') # 列表可編輯字段
@admin.register(Order)
class OrderAdmin(admin.ModelAdmin):
  fields = ('username', 'mobile', 'city', 'address', 'pay_status')
  list_display = ('username', 'mobile', 'city', 'pay_status', 'created', 'updated')
  list_filter = ('username', 'city', 'pay_status')
  search_fields = ('username', 'mobile')
  list_editable = ('pay_status', )
  inlines = [OrderItemInline] # 嵌入訂單條目內(nèi)聯(lián)表單