import os
def lu(path):
filesn=os.listdir(path)
filesn.sort(key=lambda x:os.path.getmtime(path+x))
#luf=path+filesn[-1]
luf=os.path.join(path+filesn[-1])
return luf
print(lu("D:\\study\\python_api_test\\test1204\\"))
原文：https://www.cnblogs.com/canglongdao/p/11992773.html