40 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Python
		
	
	
	
| 
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| from rest_framework import serializers
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| 
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| 
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| 
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| # class TreeSerializer(serializers.Serializer):
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| #     id = serializers.IntegerField()
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| #     label = serializers.CharField(max_length=20, source='name')
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| #     pid = serializers.PrimaryKeyRelatedField(read_only=True)
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| 
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| 
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| # class TreeAPIView(ListAPIView):
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| #     """
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| #     自定义树结构View
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| #     """
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| #     serializer_class = TreeSerializer
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| 
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| #     def list(self, request, *args, **kwargs):
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| #         queryset = self.filter_queryset(self.get_queryset())
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| #         page = self.paginate_queryset(queryset)
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| #         serializer = self.get_serializer(queryset, many=True)
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| #         tree_dict = {}
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| #         tree_data = []
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| #         try:
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| #             for item in serializer.data:
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| #                 tree_dict[item['id']] = item
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| #             for i in tree_dict:
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| #                 if tree_dict[i]['pid']:
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| #                     pid = tree_dict[i]['pid']
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| #                     parent = tree_dict[pid]
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| #                     parent.setdefault('children', []).append(tree_dict[i])
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| #                 else:
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| #                     tree_data.append(tree_dict[i])
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| #             results = tree_data
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| #         except KeyError:
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| #             results = serializer.data
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| #         if page is not None:
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| #             return self.get_paginated_response(results)
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| #         return Response(results)
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