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from django.contrib.auth.models import User,AbstractUser
class UserInfo(AbstractUser):
"""
用户信息
"""
nid = models.AutoField(primary_key=True)
telephone = models.CharField(max_length=11, null=True, unique=True)
avatar = models.FileField(upload_to='avatars/', default="/avatars/default.png")
create_time = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)
blog = models.OneToOneField(to='Blog', to_field='nid', null=True,on_delete=models.CASCADE)
def __str__(self):
return self.username
class Blog(models.Model):
"""
博客信息表（站点表）
"""
nid = models.AutoField(primary_key=True)
title = models.CharField(verbose_name='个人博客标题', max_length=64)
site_name = models.CharField(verbose_name='站点名称', max_length=64)
theme = models.CharField(verbose_name='博客主题', max_length=32)
def __str__(self):
return self.title
class Category(models.Model):
"""
博主个人文章分类表
"""
nid = models.AutoField(primary_key=True)
title = models.CharField(verbose_name='分类标题', max_length=32)
blog = models.ForeignKey(verbose_name='所属博客', to='Blog', to_field='nid',on_delete=models.CASCADE)
def __str__(self):
return self.title
class Tag(models.Model):
nid = models.AutoField(primary_key=True)
title = models.CharField(verbose_name='标签名称', max_length=32)
blog = models.ForeignKey(verbose_name='所属博客', to='Blog', to_field='nid',on_delete=models.CASCADE)
def __str__(self):
return self.title
class Article(models.Model):
nid = models.AutoField(primary_key=True)
title = models.CharField(max_length=50, verbose_name='文章标题')
desc = models.CharField(max_length=255, verbose_name='文章描述')
create_time = models.DateTimeField(verbose_name='创建时间',auto_now_add=True)
content = models.TextField()
comment_count=models.IntegerField(default=0)
up_count=models.IntegerField(default=0)
down_count=models.IntegerField(default=0)
user = models.ForeignKey(verbose_name='作者', to='UserInfo', to_field='nid',on_delete=models.CASCADE)
category = models.ForeignKey(to='Category', to_field='nid', null=True,on_delete=models.CASCADE)
tags = models.ManyToManyField(
to="Tag",
through='Article2Tag',
through_fields=('article', 'tag'),
)
def __str__(self):
return self.title
class Article2Tag(models.Model):
nid = models.AutoField(primary_key=True)
article = models.ForeignKey(verbose_name='文章', to="Article", to_field='nid',on_delete=models.CASCADE)
tag = models.ForeignKey(verbose_name='标签', to="Tag", to_field='nid',on_delete=models.CASCADE)
class Meta:
unique_together = [
('article', 'tag'),
]
def __str__(self):
v = self.article.title + "---" + self.tag.title
return v
class ArticleUpDown(models.Model):
"""
点赞表
"""
nid = models.AutoField(primary_key=True)
user = models.ForeignKey('UserInfo', null=True,on_delete=models.CASCADE)
article = models.ForeignKey("Article", null=True,on_delete=models.CASCADE)
is_up = models.BooleanField(default=True)
class Meta:
unique_together = [
('article', 'user'),
]
class Comment(models.Model):
"""
评论表
"""
nid = models.AutoField(primary_key=True)
user = models.ForeignKey(verbose_name='评论者', to='UserInfo', to_field='nid',on_delete=models.CASCADE)
article = models.ForeignKey(verbose_name='评论文章', to='Article', to_field='nid',on_delete=models.CASCADE)
create_time = models.DateTimeField(verbose_name='创建时间', auto_now_add=True)
content = models.CharField(verbose_name='评论内容', max_length=255)
parent_comment=models.ForeignKey("self",null=True,on_delete=models.CASCADE)
def __str__(self):
return self.content
根评论：对文章的评论
子评论：对评论的评论
111
444
555
222
333
Comment
nid user_id article_id content parent_comment_id(null=True)
1 1 1 111 null
2 2 1 222 null
3 3 1 333 null
4 4 1 444 1
5 5 1 555 4