29 lines
602 B
Python
29 lines
602 B
Python
"""
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异常机制 - 处理程序在运行时可能发生的状态
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Version: 0.1
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Author: 骆昊
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Date: 2018-03-13
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"""
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import time
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import sys
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filename = input('请输入文件名: ')
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try:
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with open(filename) as f:
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lines = f.readlines()
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except FileNotFoundError as msg:
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print('无法打开文件:', filename)
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print(msg)
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except UnicodeDecodeError as msg:
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print('非文本文件无法解码')
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sys.exit()
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else:
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for line in lines:
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print(line.rstrip())
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time.sleep(0.5)
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finally:
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# 此处最适合做善后工作
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print('不管发生什么我都会执行')
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