Python实现文件按照日期命名的方法

# -*- coding: utf-8 -*- import osimport timeimport datetimerootDir = "I:/1/"dic={}for dirName,subDirs,fileList in os.walk(rootDir):  print dirName  for fn in fileList:    fnpath=dirName+fn    st = os.stat(fnpath)    mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime = st    # print mtime    t=time.ctime(mtime)    d_from_t = datetime.datetime.fromtimestamp(mtime)    dic[fnpath]=d_from_t.strftime('%Y-%m-%d%H:%M:%S')    # print fnpath+"- last modified:", d_from_t.strftime('%Y-%m-%d %H:%M:%S')  passfor x in dic:  # p=os.path.splitext(x)[0]  p=os.path.dirname(os.path.abspath(x))  ext=os.path.splitext(x)[1]  # tpath=p+"/"+dic[x]+ext  # print tpath  # print os.path.dirname(os.path.abspath(p))  nname=os.path.join(rootDir,dic[x]+ext)  # print p,ext  print "os.rename('"+x+"','"+nname+"'')"  os.rename(x,nname)  pass