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105 lines
2.5 KiB
105 lines
2.5 KiB
from django.db import models |
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from django.utils import timezone |
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from django.contrib.auth.models import User |
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from markdown import Markdown |
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class Category(models.Model): |
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"""文章分类""" |
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# 分类名称 |
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title = models.CharField(max_length=100) |
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created = models.DateTimeField(default=timezone.now) |
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class Meta: |
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ordering = ['-created'] |
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def __str__(self): |
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return self.title |
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class Tag(models.Model): |
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"""文章标签""" |
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text = models.CharField(max_length=30) |
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class Meta: |
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ordering = ['-id'] |
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def __str__(self): |
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return self.text |
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class Avatar(models.Model): |
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"""标题图""" |
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content = models.ImageField(upload_to='avatar/%Y%m%d') |
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# 博客文章 model |
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class Article(models.Model): |
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class Meta: |
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# 按创建时间降序排列 |
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ordering = ['-created'] |
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# 作者 |
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author = models.ForeignKey( |
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User, # 父表 |
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null=True, |
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on_delete=models.CASCADE, |
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# 一个作者可以对应多篇文章，作者是文章的一个外键 |
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# 访问一个作者的所有文章可以用user.article_set.all() |
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# 也可以用到下面的related_name, user.articles.all(),和上面的语句作用相同 |
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# 两者不能同时使用 |
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related_name='articles' |
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) |
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# 分类 |
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category = models.ForeignKey( |
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Category, |
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null=True, |
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blank=True, |
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on_delete=models.SET_NULL, |
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related_name='articles' |
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) |
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# 标签 |
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# 一篇文章可以有多个tag，一个tag可以属于多篇文章 |
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tags = models.ManyToManyField( |
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Tag, |
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blank=True, |
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related_name='articles', |
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) |
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# 标题图 |
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avatar = models.ForeignKey( |
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Avatar, |
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null=True, |
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blank=True, |
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on_delete=models.SET_NULL, |
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related_name='article' # 这里是1对1关系 |
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) |
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# 标题 |
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title = models.CharField(max_length=100) |
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# 正文 |
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body = models.TextField() |
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# 创建时间 |
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created = models.DateTimeField(default=timezone.now) |
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# 更新时间 |
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updated = models.DateTimeField(auto_now=True) |
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def __str__(self): |
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return self.title |
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# 新增方法,将body转换为带html标签的正文 |
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def get_md(self): |
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md = Markdown( |
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extensions=[ |
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'markdown.extensions.extra', |
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'markdown.extensions.codehilite', |
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'markdown.extensions.toc', |
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] |
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) |
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md_body = md.convert(self.body) |
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return md_body, md.toc |
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