Django学习_BBS开发

Posted 2020-09-26

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创建数据库

 1 from django.db import models
 2 from django.contrib.auth.models import User
 3 # Create your models here.
 4 class Userprofile(models.Model):
 5     user = models.OneToOneField(User,null=True,default=None)
 6     name = models.CharField(max_length=32)
 7     brief = models.CharField(max_length=128,default="什么也没留下")
 8     friends = models.ManyToManyField("Userprofile",blank=True,symmetrical=True)
 9     #blank=True form表单提交的时候 字段可以没有值
10     def __str__(self):
11         return self.name
12 class Article(models.Model):
13     ‘‘‘文章表‘‘‘
14     title = models.CharField(max_length=128,unique=True)
15     author = models.ForeignKey("Userprofile")
16     category = models.ForeignKey("Category")
17     pub_date = models.DateTimeField(auto_now_add=True,auto_created=True)
18     tags = models.ManyToManyField("Tag",null=True)
19     body = models.TextField(max_length=100000)
20     head_img = models.ImageField(upload_to="uploads")
21     status_choices = ((0,‘草稿‘),(1,"发布"),(2,"隐藏"))
22     priority = models.SmallIntegerField(default=1000,verbose_name="优先级")
23     #范围数字，默认1000，提供自述名
24     def __str__(self):
25         return self.title
26 class Category(models.Model):
27     ‘‘‘板块‘‘‘
28     name = models.CharField(max_length=64,unique=True)
29     set_as_top_menu = models.BooleanField(default=True) #此字段的默认表单挂件是一个CheckboxInput.
30     def __str__(self):
31         return self.name
32 class Tag(models.Model):
33     name = models.CharField(max_length=64,unique=True)
34     def __str__(self):
35         return self.name
36 class Comment(models.Model):
37     article = models.ForeignKey("Article")
38     p_node = models.ForeignKey("Comment",null=True,blank=True,related_name="my_child_comments")
39     user = models.ForeignKey("Userprofile")
40     date = models.DateTimeField(auto_now_add=True)
41     comment = models.TextField(max_length=1024)
42     def __str__(self):
43         return self.comment
44 class Like(models.Model):
45     article = models.ForeignKey("Article")
46     user = models.ForeignKey("Userprofile")
47     date = models.DateTimeField(auto_now_add=True)
48 
49 class Privatemail(models.Model):
50     ‘‘‘私信‘‘‘
51     pass