Python入门的36个例子 之 33
源代码下载：下载地址在这里
# 037
fileName = ''
while 1:
fileName = raw_input("Input a file name:")
if fileName == 'q':
break
try:
f = file(fileName, 'r')
print 'Opened a file.'
except:
print 'There is no file named', fileName
# end of try and except
f.close()
# end of while
output：
Input a file name:haha
There is no file named haha
Input a file name:txt
There is no file named txt
Input a file name:1
There is no file named 1
Input a file name:037_Exception.py
Opened a file.
Input a file name:q
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例1：
# _018
# This is a module (if write Chinese in a module, there will be a error)
def func1():
print 'This is function 1.'
def func2():
print 'This is function 2.'
def func3():
print 'This is function 3.'
# 019
# 使用“import”语句调用模块：
import _018_Module
_ ......
源代码下载：下载地址在这里
e.g.1
# 030
aFile = file(r'C:\temp.txt', 'a')
aFile.write('又添加了一行。')
aFile.close()
output:
e.g.2
# 030
aFile = file(r'C:\temp.txt', 'a')
aFile.write('又添加了一行。')
aFile.close()
output:
e.g.3
实现根据原始文件有没有最后一行空行的情况来进行&ldqu ......
源代码下载：下载地址在这里
A Byte Of Python
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