Blog_Django（二）：Models的设计

from django.db import models
from django.contrib.auth.models import AbstractUser


# 用户
class User(AbstractUser, models.Model):
    avatar = models.ImageField(upload_to='avatar/%Y/%m', default='avatar/default.png', max_length=200, blank=True,
                               null=True, verbose_name='用户头像')
    qq = models.CharField(max_length=20, blank=True, null=True, verbose_name='QQ号码')
    mobile = models.CharField(max_length=11, blank=True, null=True, unique=True, verbose_name='手机号码')

    class Meta:
        verbose_name = "用户"
        verbose_name_plural = verbose_name
        ordering = ['id']

    def __str__(self):
        return self.username


# 标签
class Tag(models.Model):
    name = models.CharField(max_length=50, verbose_name="标签")

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = "标签"
        verbose_name_plural = verbose_name
        ordering = ['id']


# 文章分类
class Category(models.Model):
    name = models.CharField(max_length=30, verbose_name="分类名称")
    index = models.IntegerField(verbose_name='显示顺序(从小到大)', default=999)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = "文章分类"
        verbose_name_plural = verbose_name
        ordering = ['index', '-id']


# 文章
class Article(models.Model):
    title = models.CharField(max_length=50, verbose_name="文章标题")
    description = models.CharField(max_length=200, verbose_name="描述")
    content = models.TextField(verbose_name="内容")
    click_count = models.IntegerField(verbose_name="点击次数", default=0)
    is_recommend = models.BooleanField(verbose_name="是否推荐", default=False)
    date_publish = models.DateTimeField(auto_now_add=True, verbose_name='发布时间')
    user = models.ForeignKey(User, verbose_name='用户')
    category = models.ForeignKey(Category, blank=True, null=True, verbose_name='分类')
    tag = models.ManyToManyField(Tag, verbose_name='标签')

    class Meta:
        verbose_name = "文章"
        verbose_name_plural = verbose_name
        ordering = ['-date_publish']

    def __str__(self):
        return self.title


# 评论模型
class Comment(models.Model):
    content = models.TextField(verbose_name='评论内容')
    date_publish = models.DateTimeField(auto_now_add=True, verbose_name='发布时间')
    user = models.ForeignKey(User, blank=True, null=True, verbose_name='用户')
    article = models.ForeignKey(Article, blank=True, null=True, verbose_name='文章')
    pid = models.ForeignKey('self', blank=True, null=True, verbose_name='父级评论')

    class Meta:
        verbose_name = '评论'
        verbose_name_plural = verbose_name
        ordering = ['-date_publish']

    def __str__(self):
        return str(self.id)


# 友情链接
class Links(models.Model):
    title = models.CharField(max_length=50, verbose_name='标题')
    description = models.CharField(max_length=200, verbose_name='友情链接描述')
    callback_url = models.URLField(verbose_name='url地址')
    date_publish = models.DateTimeField(auto_now_add=True, verbose_name='发布时间')
    index = models.IntegerField(default=999, verbose_name='排列顺序(从小到大)')

    class Meta:
        verbose_name = '友情链接'
        verbose_name_plural = verbose_name
        ordering = ['index', 'id']

    def __str__(self):
        return self.title


# 广告
class Ad(models.Model):
    title = models.CharField(max_length=50, verbose_name='广告标题')
    description = models.CharField(max_length=200,  verbose_name='广告描述')
    image_url = models.ImageField(upload_to='ad/%Y/%m', verbose_name='图片路径')
    callback_url = models.URLField(null=True, blank=True, verbose_name='回调url')
    date_publish = models.DateTimeField(auto_now_add=True, verbose_name='发布时间')
    index = models.IntegerField(default=999, verbose_name='排列顺序(从小到大)')

    class Meta:
        verbose_name = u'广告'
        verbose_name_plural = verbose_name
        ordering = ['index', 'id']

    def __str__(self):
        return self.title