优化费用总额的解析
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7
util/string_util.py
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7
util/string_util.py
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def blank(string):
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"""
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判断字符串是否为空或者纯空格
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:param string: 字符串
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:return: 字符串是否为空或者纯空格
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"""
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return not string or string.isspace()
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