encoder.py 1.0 KB

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  1. # coding=utf-8
  2. """
  3. @project: MaxKB
  4. @Author:虎
  5. @file: SystemEncoder.py
  6. @date:2025/3/17 16:38
  7. @desc:
  8. """
  9. import datetime
  10. import decimal
  11. import json
  12. import uuid
  13. from django.core.files.uploadedfile import InMemoryUploadedFile, TemporaryUploadedFile
  14. class SystemEncoder(json.JSONEncoder):
  15. def encode(self, obj):
  16. # 先序列化为字符串
  17. json_str = super().encode(obj)
  18. # 移除所有空字符
  19. json_str = json_str.replace('\\u0000', '')
  20. return json_str
  21. def default(self, obj):
  22. if isinstance(obj, uuid.UUID):
  23. return str(obj)
  24. if isinstance(obj, datetime.datetime):
  25. return obj.strftime("%Y-%m-%d %H:%M:%S")
  26. if isinstance(obj, decimal.Decimal):
  27. return float(obj)
  28. if isinstance(obj, InMemoryUploadedFile):
  29. return {'name': obj.name, 'size': obj.size}
  30. if isinstance(obj, TemporaryUploadedFile):
  31. return {'name': obj.name, 'size': obj.size}
  32. else:
  33. return json.JSONEncoder.default(self, obj)