models.py 文件
字段的书写，字段的关系
from django.db import models# Create your models here.
"""先写普通字段，之后再写外键字段 """
from django.contrib.auth.models import AbstractUser# 用户表
class UserInfo(AbstractUser):phone = models.BigIntegerField(verbose_name='手机号',null=True)# 头像avatar = models.FileField(upload_to='avatar/', default='avatar/tou.jfif', verbose_name='用户头像')# """# 给avatar字段文件对象 该文件会自动存储到avatar文件夹下，然后avatar字段只保存文件路径avatar/tou.jfif# """create_time = models.DateField(auto_now_add=True)blog = models.OneToOneField(to='Blog', null=True)
# 个人站点表
class Blog(models.Model):site_name = models.CharField(verbose_name='站点名称', max_length=32)site_title = models.CharField(verbose_name='站点标题', max_length=32)# 简单的模拟，认识样式内部原理的操作site_theme = models.CharField(verbose_name='站点样式', max_length=64)# 文章分类class Category(models.Model):name = models.CharField(verbose_name='文章分类', max_length=32)blog = models.ForeignKey(to='Blog', null=True)
class Tag(models.Model):name = models.CharField(verbose_name='文章标签', max_length=32)blog = models.ForeignKey(to='Blog', null=True)
# 文章表
class Article(models.Model):title = models.CharField(verbose_name='文章标题', max_length=64)desc = models.CharField(verbose_name='文章简介', max_length=255)# 文章内容，内容一般都有好多，一般情况下都使用，TextFieldcontent = models.TextField(verbose_name='文章内容')create_time = models.DateField(auto_now_add=True)# 数据库字段优化up_num = models.BigIntegerField(verbose_name='点菜数', default=0)down_num = models.BigIntegerField(verbose_name='点踩数',default=0)comment_num = models.BigIntegerField(verbose_name='评论数', default=0)blog = models.ForeignKey(to='Blog', null=True)category = models.ForeignKey(to=Category, null=True)tags = models.ManyToManyField(to='Tag',through='Article2Tag',through_fields=('article','tag'))class Article2Tag(models.Model):article = models.ForeignKey(to='Article')tag = models.ForeignKey(to='Tag')class UpAndDown(models.Model):user = models.ForeignKey(to='UserInfo')article = models.ForeignKey(to='Article')is_up = models.BooleanField() # 传布尔值 存0/1class Comment(models.Model):user = models.ForeignKey(to='UserInfo')article = models.ForeignKey(to='Article')content = models.CharField(verbose_name='评论内容', max_length=255)comment_time = models.DateTimeField(verbose_name='评论时间', auto_now_add=True)# 子关联parent = models.ForeignKey(to='self', null=True) # 有些评论就是根评论