1 項(xiàng)目需求分析

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2 數(shù)據(jù)庫(kù)表設(shè)計(jì)

2.1 數(shù)據(jù)庫(kù)表對(duì)應(yīng)關(guān)系

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2.2 數(shù)據(jù)庫(kù)models

from django.db import models

# Create your models here.


from django.contrib.auth.models import AbstractUser


class UserInfo(AbstractUser):
    """
    用戶(hù)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='創(chuàng)建時(shí)間', 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
    """
    nid = models.AutoField(primary_key=True)
    title = models.CharField(verbose_name='個(gè)人博客標(biāo)題', max_length=64)
    site_name = models.CharField(verbose_name='站點(diǎn)名稱(chēng)', max_length=64)
    theme = models.CharField(verbose_name='博客主題', max_length=32)

    def __str__(self):
        return self.title


class Category(models.Model):
    """
    博主個(gè)人文章分類(lèi)表
    """
    nid = models.AutoField(primary_key=True)
    title = models.CharField(verbose_name='分類(lèi)標(biāo)題', max_length=32)
    blog = models.ForeignKey(verbose_name='所屬博客', 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='標(biāo)簽名稱(chēng)', max_length=32)
    blog = models.ForeignKey(verbose_name='所屬博客', 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='文章標(biāo)題')
    desc = models.CharField(max_length=255, verbose_name='文章描述')
    create_time = models.DateTimeField(verbose_name='創(chuàng)建時(shí)間', 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='標(biāo)簽', 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):
    """
    點(diǎn)贊表
    """

    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):
    """

    評(píng)論表

    """
    nid = models.AutoField(primary_key=True)
    article = models.ForeignKey(verbose_name='評(píng)論文章', to='Article', to_field='nid', on_delete=models.CASCADE)
    user = models.ForeignKey(verbose_name='評(píng)論者', to='UserInfo', to_field='nid', on_delete=models.CASCADE)
    content = models.CharField(verbose_name='評(píng)論內(nèi)容', max_length=255)
    create_time = models.DateTimeField(verbose_name='創(chuàng)建時(shí)間', auto_now_add=True)
    parent_comment = models.ForeignKey('self', null=True, on_delete=models.CASCADE)

    def __str__(self):
        return self.content

2.3 修改認(rèn)證模塊默認(rèn)User表

由于繼承了AbstractUser類(lèi)，需要在settings.py中設(shè)置AUTH_USER_MODEL = "blog.UserInfo"

2.4 導(dǎo)入數(shù)據(jù)庫(kù)

python manage.py makemigrations
python manage.py migrate