34 lines
778 B
Python
34 lines
778 B
Python
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if __name__ == "__main__":
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CHUNKSIZE = 10
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def render(s):
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# 军火展示
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print(s.read())
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s.seek(0)
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# 在处理文件的时候，我们习惯用while循环来迭代数据
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print("一般while处理：")
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while True:
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data = s.read(CHUNKSIZE)
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if data == b'':
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break
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print(data)
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s.seek(0)
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# 但是可以使用迭代器来升级一下
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print("进化成迭代器：")
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for chunk in iter(lambda: s.read(CHUNKSIZE), b''):
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print(chunk)
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path = "4.迭代器与生成器/16.test.txt"
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# 二进制打开文件记得用rb，下一章进化一下文件读取方面的知识
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f = open(path, 'rb')
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render(f)
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print("Done")
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