Python-100-Days/Day01-15/Day11/ex3.py

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2018-04-27 00:00:22 +08:00
"""
异常机制 - 处理程序在运行时可能发生的状态
Version: 0.1
Author: 骆昊
Date: 2018-03-13
"""
import time
import sys
filename = input('请输入文件名: ')
try:
with open(filename) as f:
lines = f.readlines()
except FileNotFoundError as msg:
print('无法打开文件:', filename)
print(msg)
except UnicodeDecodeError as msg:
print('非文本文件无法解码')
sys.exit()
else:
for line in lines:
print(line.rstrip())
time.sleep(0.5)
finally:
# 此处最适合做善后工作
print('不管发生什么我都会执行')