day 81 admin

一、先建表环境

modules文件

from django.db import models

# Create your models here.
from django.contrib.auth.models import AbstractUser

class UserInfo(AbstractUser):
    '''
    用户表
    '''
    nid  =models.AutoField(primary_key=True)
    phone  =models.CharField(max_length=11,null=True,unique=True)
    avatar = models.FileField(upload_to='avatars/',default='avatars/default.png',verbose_name='头像')
    create_time =models.DateTimeField(auto_now_add=True)
    blog =models.OneToOneField(to='Blog',to_field='nid',null=True)
    def __str__(self):
        return self.username

class Blog(models.Model):
    '''
    博客信息
    '''
    nid =models.AutoField(primary_key=True)
    title =models.CharField(max_length=64)
    site =models.CharField(max_length=32,unique=True)
    theme =models.CharField(max_length=32)

    def __str__(self):
        return self.title
#

class  Category(models.Model):
    '''
    个人博客文章分类
    '''
    nid =models.AutoField(primary_key=True)
    title =models.CharField(max_length=32)#分类标题
    blog = models.ForeignKey(to ='Blog',to_field='nid')#外键关联博客，一个博客站点可以有多个分类

    def __str__(self):
        return self.title

class Tag(models.Model):
    ''''
    标签
    '''
    nid =models.AutoField(primary_key=True)
    title =models.CharField(max_length=32)
    blog =models.ForeignKey(to='Blog',to_field='nid') #所属博客

    def __str__(self):
        return self.title

class Article(models.Model):
    '''
    文章
    '''
    nid =models.AutoField(primary_key=True)
    title = models.CharField(max_length=50) #文章标题描述
    desc =models.CharField(max_length=255) #文章描述
    create_time =models.DateTimeField()#创建时间

    category = models.ForeignKey(to ='Category',to_field='nid',null=True)
    user = models.ForeignKey(to='UserInfo',to_field='nid')
    tags =models.ManyToManyField( # 中介模型
        to ='Tag',
        through='Article2Tag',
        through_fields=('article','tag')#注意顺序

    )

    def __str__(self):
        return self.title

class ArticleDetail(models.Model):
    '''
    文章详情
    '''
    nid =models.AutoField(primary_key=True)
    content = models.TextField()
    article =models.OneToOneField(to ='Article',to_field='nid')

class Article2Tag(models.Model):
    '''
    文章和标签的多对多关系表
    '''
    nid =models.AutoField(primary_key=True)
    article =models.ForeignKey(to='Article',to_field='nid')
    tag =models.ForeignKey(to ='Tag',to_field='nid')

    class Meta:
        unique_together = (('article','tag'),)

class ArticleUpDown(models.Model):
    '''
    点赞
    '''
    nid= models.AutoField(primary_key=True)
    user =models.ForeignKey(to ='UserInfo',null=True)
    article = models.BooleanField(default=True)

    class  Meta:
        unique_together = (('article','user'),)

class Comment(models.Model):
    '''
    评论表
    '''
    nid = models.AutoField(primary_key=True)
    article =models.ForeignKey(to ='Article',to_field='nid')
    user =models.ForeignKey(to ='UserInfo',to_field='nid')
    content =models.CharField(max_length=255)#评论内容
    create_time =models.DateTimeField(auto_now_add=True)
    parent_comment =models.ForeignKey('self',null=True)

    def __str__(self):
        return self.content

　

# 告诉Django项目用哪张表做认证

AUTH_USER_MODEL ='app01.UserInfo'

新建一个管理员账号 

admin / dadmin01 

 通过web去登录 

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