Django 定制後台和修改模型

Django 定制後台和修改模型

當數據模型建立完成時，接下來需要將模型裡的數據展示出來，而且是通過模板這種類型進行顯示

定制admin後台

1. 日期類型

class Article(models.Model):

 created_time = models.DateTimeField(auto_now_add=True)

 last_updated_time = models.DateTimeField(auto_now=True)


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1. 外鍵-作者

class Article(models.Model):

 author = models.ForeignKey(User, on_delete=models.DO_NOTHING, default=1)


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1. 布爾類型

class Article(models.Model):

 is_deleted = models.BooleanField(default=False)


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1. 數字類型

class Article(models.Model):

 readed_num = models.IntegerField(default=0)


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1. 文件article/admin.py，代碼合並如下

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


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同步數據

1. 生成模型數據文件

python manage.py makemigrations


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1. 應用模型數據-到數據倉庫

python manage.py migrate


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​ ​修改admin.py​​

1. 編寫admin.py文件，內容如下:

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",)


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1. 測試

• 通過訪問http://127.0.0.1:8000/admin