补充教程：Django admin注册关联数据表方法

from . models import Grade, Person
# 1.要求一张表有一个与另一张表关联的字段

@admin.register(Person)
class PersonAdmin(admin.ModelAdmin):
    list_display = ['id', 'name', 'sex', 'age', 'info', 'is_del']
    list_filter = ['name']
    list_display_links = ('name',)


class PersonInline(admin.TabularInline):  # StackedInline
    model = Person


@admin.register(Grade)
class GradeAdmin(admin.ModelAdmin):
    list_display = ['id', 'sub', 'boy_num', 'girl_num', 'is_del']
    list_per_page = 2
    search_fields = ['sub']
    list_display_links = ('id', 'sub')
    inlines = [
        PersonInline,
    ]