此专栏应用环境和模型基于此文
开发环境
系统:windows11
开发工具:vscode
开发语言:python 3.8
开发框架:django 3.2
数据库:mysql8.4.1
项目目录
settings
注册两个应用
python
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'Entities',
'Events',
]
Entities应用
models
python
from django.db import models
class Category(models.Model):
name = models.CharField(max_length=100)
class Meta:
verbose_name_plural = "Categories"
def __str__(self):
return self.name
class Origin(models.Model):
name = models.CharField(max_length=100)
def __str__(self):
return self.name
class Entity(models.Model):
GENDER_MALE = "Male"
GENDER_FEMALE = "Female"
GENDER_OTHERS = "Others/Unknown"
name = models.CharField(max_length=100)
alternative_name = models.CharField(
max_length=100, null=True, blank=True
)
category = models.ForeignKey(Category, on_delete=models.CASCADE, verbose_name='类别')
origin = models.ForeignKey(Origin, on_delete=models.CASCADE)
gender = models.CharField(
max_length=100,
choices=(
(GENDER_MALE, GENDER_MALE),
(GENDER_FEMALE, GENDER_FEMALE),
(GENDER_OTHERS, GENDER_OTHERS),
)
)
description = models.TextField()
def __str__(self):
return self.name
class Meta:
abstract = True
class Hero(Entity):
class Meta:
verbose_name_plural = "Heroes"
is_immortal = models.BooleanField(default=True)
benevolence_factor = models.PositiveSmallIntegerField(
help_text="How benevolent this hero is?"
)
arbitrariness_factor = models.PositiveSmallIntegerField(
help_text="How arbitrary this hero is?"
)
# relationships
father = models.ForeignKey(
"self", related_name="+", null=True, blank=True, on_delete=models.SET_NULL
)
mother = models.ForeignKey(
"self", related_name="+", null=True, blank=True, on_delete=models.SET_NULL
)
spouse = models.ForeignKey(
"self", related_name="+", null=True, blank=True, on_delete=models.SET_NULL
)
class Villain(Entity):
is_immortal = models.BooleanField(default=False)
malevolence_factor = models.PositiveSmallIntegerField(
help_text="How malevolent this villain is?"
)
power_factor = models.PositiveSmallIntegerField(
help_text="How powerful this villain is?"
)
is_unique = models.BooleanField(default=True)
count = models.PositiveSmallIntegerField(default=1)
admin
python
from django.contrib import admin
from .models import Category, Origin, Hero, Villain
admin.site.register(Category)
admin.site.register(Origin)
admin.site.register(Hero)
admin.site.register(Villain)
Events应用
models
python
from django.db import models
from Entities.models import Hero, Villain
class Epic(models.Model):
name = models.CharField(max_length=255)
participating_heroes = models.ManyToManyField(Hero)
participating_villains = models.ManyToManyField(Villain)
class Event(models.Model):
epic = models.ForeignKey(Epic, on_delete=models.CASCADE)
details = models.TextField()
years_ago = models.PositiveIntegerField()
class EventHero(models.Model):
event = models.ForeignKey(Event, on_delete=models.CASCADE)
hero = models.ForeignKey(Hero, on_delete=models.CASCADE)
is_primary = models.BooleanField()
class EventVillain(models.Model):
event = models.ForeignKey(Event, on_delete=models.CASCADE)
hero = models.ForeignKey(Villain, on_delete=models.CASCADE)
is_primary = models.BooleanField()
admin
python
from django.contrib import admin
from .models import Epic, Event, EventHero, EventVillain
admin.site.register(Epic)
admin.site.register(Event)
admin.site.register(EventHero)
admin.site.register(EventVillain)
呈现:
此之前,需设置settings时区,语言,创建管理员