django笔记

1 import pymysql
2 pymysql.install_as_MySQLdb()

 1 class Publisher(models.Model):
 2     name = models.CharField(max_length=30, verbose_name="名称")
 3     address = models.CharField("地址", max_length=50)
 4     city = models.CharField(‘城市‘,max_length=60)
 5     state_province = models.CharField(max_length=30)
 6     country = models.CharField(max_length=50)
 7     website = models.URLField()
 8 
 9     class Meta:
10         verbose_name = ‘出版商‘
11         verbose_name_plural = verbose_name
12 
13     def __str__(self):
14         return self.name
15 
16 
17 class Author(models.Model):
18     name = models.CharField(max_length=30)
19     def __str__(self):
20         return self.name
21 
22 class AuthorDetail(models.Model):
23     sex = models.BooleanField(max_length=1, choices=((0, ‘男‘),(1, ‘女‘),))
24     email = models.EmailField()
25     address = models.CharField(max_length=50)
26     birthday = models.DateField()
27     author = models.OneToOneField(Author)
28 
29 class Book(models.Model):
30     title = models.CharField(max_length=100)
31     authors = models.ManyToManyField(Author)
32     publisher = models.ForeignKey(Publisher)
33     publication_date = models.DateField()
34     price=models.DecimalField(max_digits=5,decimal_places=2,default=10)
35     def __str__(self):
36         return self.title