我试图在Django admin中进行一些更改，这让我感到非常困惑，因为似乎我犯了某种大的基本逻辑错误。
我的错误是：
<class 'foodordering.admin.CInline'>: (admin.E202) 'foodordering.Customer' has no ForeignKey to 'foodordering.Order'.
<class 'foodordering.admin.DInline'>: (admin.E202) 'foodordering.Deliveryboy' has no ForeignKey to 'foodordering.Order'.
<class 'foodordering.admin.DishInline'>: (admin.E202) 'foodordering.Dish' has no ForeignKey to 'foodordering.Menu'.
<class 'foodordering.admin.DishInline'>: (admin.E202) 'foodordering.Dish' has no ForeignKey to 'foodordering.Order_dish'.
<class 'foodordering.admin.MenuAdmin'>: (admin.E108) The value of 'list_display[0]' refers to 'name', which is not a callable, an attribute of 'MenuAdmin', or an attribute or method on 'foodordering.Menu'.
<class 'foodordering.admin.MenuAdmin'>: (admin.E112) The value of 'list_filter' must be a list or tuple.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[0]' refers to 'name', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[1]' refers to 'delivery', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[3]' refers to 'status', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[4]' refers to 'grade', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[5]' refers to 'lastname', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[6]' refers to 'postcode', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E108) The value of 'list_display[7]' refers to 'phonenumber', which is not a callable, an attribute of 'ODAdmin', or an attribute or method on 'foodordering.Order_dish'.
<class 'foodordering.admin.ODAdmin'>: (admin.E116) The value of 'list_filter[0]' refers to 'postcode', which does not refer to a Field.
<class 'foodordering.admin.OrderAdmin'>: (admin.E108) The value of 'list_display[0]' refers to 'name', which is not a callable, an attribute of 'OrderAdmin', or an attribute or method on 'foodordering.Order'.
<class 'foodordering.admin.OrderAdmin'>: (admin.E108) The value of 'list_display[1]' refers to 'availability', which is not a callable, an attribute of 'OrderAdmin', or an attribute or method on 'foodordering.Order'.
<class 'foodordering.admin.OrderAdmin'>: (admin.E108) The value of 'list_display[2]' refers to 'grade', which is not a callable, an attribute of 'OrderAdmin', or an attribute or method on 'foodordering.Order'.
<class 'foodordering.admin.OrderAdmin'>: (admin.E108) The value of 'list_display[3]' refers to 'currentlocation', which is not a callable, an attribute of 'OrderAdmin', or an attribute or method on 'foodordering.Order'.
<class 'foodordering.admin.OrderAdmin'>: (admin.E116) The value of 'list_filter[0]' refers to 'availability', which does not refer to a Field.
<class 'foodordering.admin.OrderInline'>: (admin.E202) 'foodordering.Order' has no ForeignKey to 'foodordering.Order_dish'.
foodordering / model.py：
from django.db import models
VIP_CHOICES = (
('normal','NORMAL'),
('vip', 'VIP'),
('vvip','VVIP'),
)
STATUS_CHOICES = (
('preparing', 'PREPARING'),
('delivering', 'DELIVERING'),
('ready to collect', 'READY TO COLLECT'),
)
class Customer(models.Model):
firstname = models.CharField(max_length=20)
lastname = models.CharField(max_length=20)
address = models.CharField(max_length=200)
address2 = models.CharField(max_length=200)
address3 = models.CharField(max_length=200)
postcode = models.IntegerField()
dateofbirth = models.DateField()
email = models.EmailField()
phonenumber = models.IntegerField()
grade = models.CharField(max_length=6, choices=VIP_CHOICES, default='normal')
class Deliveryboy(models.Model):
name = models.CharField(max_length=100, default=None)
currentlocation = models.CharField(max_length=100, default='Restaurant')
availability = models.BooleanField
class Order(models.Model):
delivery = models.BooleanField
status = models.CharField(max_length=200, choices=STATUS_CHOICES, default='Preparing')
DeliveryboyID = models.ForeignKey(Deliveryboy, on_delete=models.CASCADE)
CustomerID = models.ForeignKey(Customer, on_delete=models.CASCADE)
class Dish(models.Model):
name = models.CharField(max_length=100)
class Menu(models.Model):
category = models.CharField(max_length=50)
DishID = models.ForeignKey(Dish, on_delete=models.CASCADE)
class Order_dish(models.Model):
quantity = models.IntegerField()
OrderID = models.ForeignKey(Order, on_delete=models.CASCADE)
DishID = models.ForeignKey(Dish, on_delete=models.CASCADE)
foodordering / admin.py：
from django.contrib import admin
from .models import Customer, Deliveryboy, Order, Menu, Dish, Order_dish
class CInline(admin.TabularInline):
model = Customer
extra = 2
class DInline(admin.TabularInline):
model = Deliveryboy
extra = 2
class OrderAdmin(admin.ModelAdmin):
inlines = [CInline, DInline]
list_filter = ['availability']
list_display = ('name', 'availability', 'grade', 'currentlocation')
search_fields = ['name', 'availability', 'grade', 'currentlocation']
class DishInline(admin.TabularInline):
model = Dish
extra = 2
class MenuAdmin(admin.ModelAdmin):
inlines = [DishInline]
search_fields = ['category']
list_display = ('name', 'category')
list_filter = ('name')
class OrderInline(admin.TabularInline):
model = Order
extra = 2
class ODAdmin(admin.ModelAdmin):
inlines = [OrderInline, DishInline]
list_display = ('name', 'delivery', 'quantity', 'status', 'grade', 'lastname', 'postcode', 'phonenumber')
list_filter = ['postcode']
search_fields = ['name', 'grade', 'lastname', 'postcode', 'phonenumber']
admin.site.register(Customer)
admin.site.register(Deliveryboy)
admin.site.register(Order, OrderAdmin)
admin.site.register(Menu, MenuAdmin)
admin.site.register(Dish)
admin.site.register(Order_dish, ODAdmin)
我想做的是当我在每个表中添加详细信息时让多个表通过外键连接，而实际上我很慌了..哈哈
非常感谢您的帮助。