17 lines
690 B
Python
17 lines
690 B
Python
from rest_framework.pagination import PageNumberPagination
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from rest_framework.exceptions import ParseError
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class MyPagination(PageNumberPagination):
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page_size = 10
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page_size_query_param = 'page_size'
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class PageOrNot:
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def paginate_queryset(self, queryset):
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if (self.paginator is None):
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return None
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elif (self.request.query_params.get('pageoff', None)) and queryset.count()<500:
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return None
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elif (self.request.query_params.get('pageoff', None)) and queryset.count()>=500:
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raise ParseError('单次请求数据量大,请求中止')
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return self.paginator.paginate_queryset(queryset, self.request, view=self) |