django实现增删改查分页接口(小白必备)
在上篇文章中我使用nodejs实现了增删改查分页接口，这一篇我们则使用django实现。
1.创建一个django项目，命令如下
python manage.py startapp myapp
2.在你自己的myapp文件夹中的models.py中定义你们自己的模型
from django.db import models class 名字(models.Model): title = models.CharField(max_length=100) author = models.CharField(max_length=100) 等
3.迁移数据库，创建模型的数据表，通过以下两行命令
python manage.py makemigrations python manage.py migrate
4.在myapp文件夹中的views.py文件中编写处理请求
from django.core.paginator import Paginator from django.http import JsonResponse from myapp.models import Book def get_books(request): # 获取所有书籍 books = Book.objects.all() # 分页 paginator = Paginator(books, 10) # 每页显示10条记录 page_number = request.GET.get('page') # 获取页码参数 page_obj = paginator.get_page(page_number) # 构造返回数据 data = { 'current_page': page_obj.number, 'total_pages': paginator.num_pages, 'books': [ {'title': book.title, 'author': book.author, 'publication_date': str(book.publication_date)} for book in page_obj.object_list ] } return JsonResponse(data) def create_book(request): # 获取POST请求数据 title = request.POST.get('title') author = request.POST.get('author') publication_date = request.POST.get('publication_date') # 创建书籍对象并保存 book = Book(title=title, author=author, publication_date=publication_date) book.save() return JsonResponse({'message': 'Book created successfully'}) def update_book(request, book_id): # 获取PUT请求数据 title = request.PUT.get('title') author = request.PUT.get('author') publication_date = request.PUT.get('publication_date') # 更新书籍对象 book = Book.objects.get(id=book_id) book.title = title book.author = author book.publication_date = publication_date book.save() return JsonResponse({'message': 'Book updated successfully'}) def delete_book(request, book_id): # 删除书籍对象 book = Book.objects.get(id=book_id) book.delete() return JsonResponse({'message': 'Book deleted successfully'})
5.在项目的urls.py文件中配置URL路由
from django.urls import path from myapp.views import get_books, create_book, update_book, delete_book urlpatterns = [ path('books/', get_books), path('books/create/', create_book), path('books/update/<int:book_id>/', update_book), path('books/delete/<int:book_id>/', delete_book), ]
6.运行项目
python manage.py runserver
到这里也就结束了，希望对您有所帮助。
