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python包含中文字符串长度

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Nov 09, 2016 am 11:14 AM

python包含中文字符串长度

一个中文utf8编码后是占3个字符，所以求长度的函数可以这样写

def str_len(str):
    try:
        row_l=len(str)
        utf8_l=len(str.encode(&#39;utf-8&#39;))
        return (utf8_l-row_l)/2+row_l
    except:
        return None
    return None

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