26 lines
1.1 KiB
Python
26 lines
1.1 KiB
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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def paginate_queryset(self, queryset, request, view):
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if request.query_params.get('pageoff', None) or request.query_params.get('page', None)=='0':
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if queryset.count()<500:
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return None
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elif queryset.count()>=500:
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raise ParseError('单次请求数据量大,请分页获取')
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return super().paginate_queryset(queryset, request, view=view)
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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) or self.request.query_params.get('page', None) == 0:
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if queryset.count()<500:
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return None
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elif 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)
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