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43 lines
1.1 KiB
43 lines
1.1 KiB
from config.constant import CommonConstant
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class StringUtil:
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"""
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字符串工具类
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"""
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@classmethod
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def is_blank(cls, string: str) -> bool:
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"""
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校验字符串是否为''或全空格
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:param string: 需要校验的字符串
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:return: 校验结果
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"""
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if string is None:
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return False
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str_len = len(string)
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if str_len == 0:
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return True
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else:
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for i in range(str_len):
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if string[i] != ' ':
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return False
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return True
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@classmethod
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def is_empty(cls, string) -> bool:
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"""
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校验字符串是否为''或None
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:param string: 需要校验的字符串
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:return: 校验结果
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"""
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return string is None or len(string) == 0
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@classmethod
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def is_http(cls, link: str):
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"""
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判断是否为http(s)://开头
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:param link: 链接
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:return: 是否为http(s)://开头
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"""
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return link.startswith(CommonConstant.HTTP) or link.startswith(CommonConstant.HTTPS)
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