摘要:
URL: #定义删除书功能:def del_book(request): pk = request.GET.get("pk") models.Book.objects.get(pk = pk).delete() return redirect("/book/") 阅读全文
摘要:
views: #定义新增书功能:def add_book(request): if request.method == "POST": book_name = request.POST.get("book_name") pub_id = request.POST.get("pub_id") #插入数 阅读全文
摘要:
views: #定义展示书功能:def book(request): #查询所有书籍: all_books = models.Book.objects.all() for book in all_books: print(book) print(book.id) print(book.pk) pri 阅读全文
摘要:
models:#定义书类:class Book(models.Model): name = models.CharField(max_length=32) pub = models.ForeignKey(Publisher,on_delete=models.CASCADE) """ 关联类名 on_ 阅读全文