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22 lines
408 B
22 lines
408 B
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @Time : 2023/4/12 15:09
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# @Author : old tom
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# @File : fu_function.py
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# @Project : futool-tiny-datahub
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# @Desc :
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def singleton(cls):
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"""
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单例装饰器
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:param cls:
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:return:
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"""
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_instance = {}
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def inner():
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if cls not in _instance:
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_instance[cls] = cls()
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return _instance[cls]
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return inner
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