Django的图书管理系统的实现步骤（附代码）(2)

方法二 (用orm创建)

class Author(models.Model):
    id = models.AuthorField(primary_key=True) # 自增id主键
    name = models.CharField(max_length=32) # 作者名字
    books = models.ManyToManyField(to=Book)

查询：在中找到所有作者信息,然后在页面展示出来

创建作者函数并配置好

创建html文件在页面上展示出来

添加：创建添加操作的函数,展示添加页面,获取用户的添加信息,返回给,再展示作者信息.

创建添加操作的函数,并配置好

创建获取信息的页面

在作者列表中添加删除操作项,锁定要删除的对象,

创建要删除的操作函数,

can not tell why i enjoy this summer holiday better. i like the touch of loneliness accompnied some more freedom in my life, i do not have to work, and can control all my time freely. my life is filled with music, movies, nice food and books, which are all my favorites. but i also want to create a miracle in this summer, come on , guys , do not guess. this will be a secret, and i will retell the story again , maybe next summer or a little before that.。 let books = await book.all()。

pthread_t id1,id2。 pthread_t id1,id2。

上传文件

创建上传文件的操作函数,并配置好

创建上传文件的html页面

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