18 lines
644 B
Python
18 lines
644 B
Python
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if __name__ == "__main__":
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# 如果想要将数据写入一个已经不在文件系统中的文件，可以使用open函数的x模式
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try:
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path = "5.文件与IO/4.bin_file.bin"
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with open(path, 'xt') as f:
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f.write("missing file")
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# 可以看到，这个写入报了一个文件已存在的错误，如果我们用一个不存在的文件，那就会创建一个新文件成功写入
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except FileExistsError:
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path = "5.文件与IO/5.missing_file.bin"
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with open(path, 'xt') as f:
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f.write("missing file")
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# 如果需要写入二进制文件，同理使用xb就行
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