新功能: 添加后端代码

backend/dvadmin/utils/pagination.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+"""
+@author: 猿小天
+
+@contact: QQ:1638245306
+
+@Created on: 2020/4/16 23:35
+"""
+from collections import OrderedDict
+
+from django.core import paginator
+from django.core.paginator import Paginator as DjangoPaginator
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+
+
+class CustomPagination(PageNumberPagination):
+    page_size = 10
+    page_size_query_param = "limit"
+    max_page_size = 999
+    django_paginator_class = DjangoPaginator
+
+    def get_paginated_response(self, data):
+        code = 2000
+        msg = 'success'
+        res = {
+            "page": int(self.get_page_number(self.request, paginator)) or 1,
+            "total": self.page.paginator.count,
+            "limit": int(self.get_page_size(self.request)) or 10,
+            "data": data
+        }
+        if not data:
+            code = 2000
+            msg = "暂无数据"
+            res['data'] = []
+
+        return Response(OrderedDict([
+            ('code', code),
+            ('msg', msg),
+            # ('total',self.page.paginator.count),
+            ('data', res),
+        ]))