Django2.0之bbs登录功能

超、凢脫俗 2022-05-21 11:26 169阅读 0赞

*  表结构：

from django.contrib.auth.models import AbstractUser
    from django.db import models
    
    
    # Create your models here.
    
    
    class AuthorInfo(AbstractUser):
        """ 用户信息表 """
        nid = models.AutoField(primary_key=True)
        phone = models.CharField(max_length=11, null=True, unique=True)
        avatar = models.FileField(upload_to="avatars/", default="avatars/default.png")
    
        blog = models.OneToOneField(to="Blog", to_field="nid", null=True, on_delete=models.CASCADE)
    
        def __str__(self):
            return self.username
    
        class Meta:
            verbose_name = "用户信息"
            verbose_name_plural = verbose_name
    
    
    class Blog(models.Model):
        """ 博客信息 """
        nid = models.AutoField(primary_key=True)
        title = models.CharField(max_length=64)  # 个人博客标题
        theme = models.CharField(max_length=32)  # 博客主题
    
        def __str__(self):
            return self.title
    
        class Meta:
            verbose_name = "博客"
            verbose_name_plural = verbose_name
    
    
    class Category(models.Model):
        """ 个人博客文章分类 """
        nid = models.AutoField(primary_key=True)
        title = models.CharField(max_length=32)  # 分类标题
        blog = models.ForeignKey(to="Blog", to_field="nid", on_delete=models.CASCADE)  # 外键关联博客，一个博客站点可以有多个分类
    
        def __str__(self):
            return "{}-{}".format(self.blog.title, self.title)
    
        class Meta:
            verbose_name = "文章分类"
            verbose_name_plural = verbose_name
    
    
    class Tag(models.Model):
        """ 标签 """
        nid = models.AutoField(primary_key=True)
        title = models.CharField(max_length=32)  # 标签名
        blog = models.ForeignKey(to="Blog", to_field="nid", on_delete=models.CASCADE)  # 所属博客
    
        def __str__(self):
            return self.title
    
        class Meta:
            verbose_name = "标签"
            verbose_name_plural = verbose_name
    
    
    class Article(models.Model):
        """ 文章 """
        nid = models.AutoField(primary_key=True)
        title = models.CharField(max_length=50, verbose_name="标题")  # 文章标题
        desc = models.CharField(max_length=255)  # 文章描述
        create_time = models.DateTimeField(auto_now_add=True)  # 创建时间
        category = models.ForeignKey(to="Category", to_field="nid", null=True, on_delete=models.CASCADE)
        user = models.ForeignKey(to="AuthorInfo", to_field="nid", on_delete=models.CASCADE)
    
        # 评论数
        comment_count = models.IntegerField(default=0)
        # 点赞数
        up_count = models.IntegerField(default=0)
        # 反对数
        down_count = models.IntegerField(default=0)
    
        tags = models.ManyToManyField(
            to="Tag",
            through="Article2Tag",
            through_fields=("article", "tag"),
        )
    
        def __str__(self):
            return self.title
    
        class Meta:
            verbose_name = "文章"
            verbose_name_plural = verbose_name
    
    
    class ArticleDetail(models.Model):
        """ 文章详情表 """
        nid = models.AutoField(primary_key=True)
        content = models.TextField()
        article = models.OneToOneField(to="Article", to_field="nid", on_delete=models.CASCADE)
    
        class Meta:
            verbose_name = "文章详情"
            verbose_name_plural = verbose_name
    
    
    class Article2Tag(models.Model):
        """ 文章和标签的多对多关系表 """
        nid = models.AutoField(primary_key=True)
        article = models.ForeignKey(to="Article", to_field="nid", on_delete=models.CASCADE)
        tag = models.ForeignKey(to="Tag", to_field="nid", on_delete=models.CASCADE)
    
        def __str__(self):
            return "{}-{}".format(self.article, self.tag)
    
        class Meta:
            unique_together = (("article", "tag"),)
            verbose_name = "文章-标签"
            verbose_name_plural = verbose_name
    
    
    class ArticleThumbsUp(models.Model):
        """ 点赞表 """
        nid = models.AutoField(primary_key=True)
        user = models.ForeignKey(to="AuthorInfo", null=True, on_delete=models.CASCADE)
        article = models.ForeignKey(to="Article", null=True, on_delete=models.CASCADE)
        is_up = models.BooleanField(default=True)
    
        class Meta:
            unique_together = (("article", "user"),)
            verbose_name = "点赞"
            verbose_name_plural = verbose_name
    
    
    class Comment(models.Model):
        """ 评论表 """
        nid = models.AutoField(primary_key=True)
        article = models.ForeignKey(to="Article", to_field="nid", on_delete=models.CASCADE)
        user = models.ForeignKey(to="AuthorInfo", to_field="nid", on_delete=models.CASCADE)
        content = models.CharField(max_length=255)  # 评论内容
        create_time = models.DateTimeField(auto_now_add=True)
        parent_comment = models.ForeignKey("self", null=True, on_delete=models.CASCADE)
    
        def __str__(self):
            return self.content
    
        class Meta:
            verbose_name = "评论"
            verbose_name_plural = verbose_name

*    
    
 *  数据库迁移：

> python3 manage.py makemigations  
> `这时会报个错误：`

ERRORS:
    auth.User.groups: (fields.E304) Reverse accessor for 'User.groups' clashes with reverse accessor for 'AuthorInfo.groups'.
            HINT: Add or change a related_name argument to the definition for 'User.groups' or 'AuthorInfo.groups'.
    auth.User.user_permissions: (fields.E304) Reverse accessor for 'User.user_permissions' clashes with reverse accessor for 'AuthorIn fo.user_permissions'.
            HINT: Add or change a related_name argument to the definition for 'User.user_permissions' or 'AuthorInfo.user_permissions'
    .
    login_func.AuthorInfo.groups: (fields.E304) Reverse accessor for 'AuthorInfo.groups' clashes with reverse accessor for 'User.group s'.
            HINT: Add or change a related_name argument to the definition for 'AuthorInfo.groups' or 'User.groups'.
    login_func.AuthorInfo.user_permissions: (fields.E304) Reverse accessor for 'AuthorInfo.user_permissions' clashes with reverse acce
    ssor for 'User.user_permissions'.
            HINT: Add or change a related_name argument to the definition for 'AuthorInfo.user_permissions' or 'User.user_permissions'

`解决方案：`在settings.py中

AUTH_USER_MODEL = '创建app的名字.AuthorInfo'