Django 定制后台和修改模型

Django 定制后台和修改模型

当数据模型建立完成时，接下来需要将模型里的数据展示出来，而且是通过模板这种类型进行显示

定制admin后台

1. 日期类型

class Article(models.Model):
  created_time = models.DateTimeField(auto_now_add=True)
  last_updated_time = models.DateTimeField(auto_now=True)

1. 外键-作者

class Article(models.Model):
  author = models.ForeignKey(User, on_delete=models.DO_NOTHING, default=1)

1. 布尔类型

class Article(models.Model):
  is_deleted = models.BooleanField(default=False)

1. 数字类型

class Article(models.Model):
  readed_num = models.IntegerField(default=0)

1. 文件article/admin.py，代码合并如下

from django.db import models
from django.contrib.auth.models import User

# Create your models here.
class Article(models.Model):
    title = models.CharField(max_length=30)
    content = models.TextField()
    created_time = models.DateTimeField(auto_now_add=True)
    last_updated_time = models.DateTimeField(auto_now=True)
    author = models.ForeignKey(User, on_delete=models.DO_NOTHING, default=1)
    is_deleted = models.BooleanField(default=False)
    readed_num = models.IntegerField(default=0)

    def __str__(self):
        return "<Article: %s>" % self.title

同步数据

1. 生成模型数据文件

python manage.py makemigrations

1. 应用模型数据-到数据仓库

python manage.py migrate

​​修改admin.py​​

1. 编写admin.py文件，内容如下:

from django.contrib import admin
from .models import Article

# Register your models here.
@admin.register(Article)
class ArticleAdmin(admin.ModelAdmin):
    list_display = ("id", "title", "content", "author", "is_deleted", "created_time", "last_updated_time")
    ordering = ("-id",)

1. 测试

• 通过访问http://127.0.0.1:8000/admin