41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
def print_file_info(file_name):
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"""
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接受传入文件的路径，打印文件的全部内容
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如果不存在则捕获异常，输出提示信息，通过finally关闭文件对象
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:param file_name: 指定文件名
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:return: None
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"""
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f = None
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try:
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f = open(f"{file_name}", 'r', encoding="UTF-8")
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fw = open("D:/program/打印.txt", 'w', encoding="UTF-8")
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for line in f:
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fw.write(line)
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# content =f.read()
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# fw.write(content)
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print(f"{file_name}已打印到打印.txt")
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except Exception as e:
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print(f"文件不存在,原因是{e}")
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finally:
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if f: # 如果变量是none，表示false，如果有内容则是true
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f.close()
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def append_to_file(file_name, data):
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"""
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接受文件路径以及传入数据，将数据追加到文件中
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:param file_name:指定文件名
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:param data: 指定数据
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:return: None
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"""
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fa = open(f"{file_name}", 'a', encoding="UTF-8")
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fa.write(data)
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print(f"{data}已经填入到{file_name}")
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fa.close()
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if __name__ == "__main__":
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print_file_info("D:/program/测试.txt")
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print_file_info("D:/program/测试2.txt")
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append_to_file("D:/program/打印.txt", "\n天线宝宝")
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