29 lines
602 B
Python
29 lines
602 B
Python
|
"""
|
||
|
|
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')
|