代码如下:
#encoding=utf-8
print '中国'
#根据字符串中的数字排序,如f10应该在f2后面
import re
re_digits = re.compile(r'(\d+)')
def emb_numbers(s):
pieces=re_digits.split(s)
pieces[1::2]=map(int,pieces[1::2])
return pieces
def sort_strings_with_emb_numbers(alist):
aux = [(emb_numbers(s),s) for s in alist]
aux.sort()
return [s for __,s in aux]
def sort_strings_with_emb_numbers2(alist):
return sorted(alist, key=emb_numbers)
filelist='file10.txt file2.txt file1.txt'.split()
print filelist
print '--DSU排序'
print sort_strings_with_emb_numbers(filelist)
print '--内置DSU排序'
print sort_strings_with_emb_numbers2(filelist)
打印结果如下:
中国
['file10.txt', 'file2.txt', 'file1.txt']
--DSU排序
['file1.txt', 'file2.txt', 'file10.txt']
--内置DSU排序
['file1.txt', 'file2.txt', 'file10.txt']