19 lines
624 B
Python
19 lines
624 B
Python
from django.db import models
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def get_child_queryset(checkQueryset,fatherQueryset,noneQueryset,hasParent=True):
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"""
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获取所有子集
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查checkQueryset
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父fatherQueryset
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空noneQueryset
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是否包含父默认False
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"""
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if fatherQueryset is None:
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return noneQueryset
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if hasParent:
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noneQueryset = noneQueryset|fatherQueryset
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child_queryset = checkQueryset.filter(pid=fatherQueryset.first())
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while child_queryset:
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noneQueryset = noneQueryset|child_queryset
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child_queryset = checkQueryset.filter(pid__in=child_queryset)
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return noneQueryset.distinct() |