Python 遍历子文件和所有子文件夹的代码实例

# -*- coding: cp936 -*- 
 
############################################# 
#  Written By Qian_F            #    
#  获取文件路径列表，并写入到当前目录生成test.txt # 
############################################# 
 
import os 
 
def getfilelist(filepath, tabnum=1): 
  simplepath = os.path.split(filepath)[1] 
  returnstr = simplepath+"目录<>"+"\n" 
  returndirstr = "" 
  returnfilestr = "" 
  filelist = os.listdir(filepath) 
  for num in range(len(filelist)): 
    filename=filelist[num] 
    if os.path.isdir(filepath+"/"+filename): 
      returndirstr += "\t"*tabnum+getfilelist(filepath+"/"+filename, tabnum+1) 
    else: 
      returnfilestr += "\t"*tabnum+filename+"\n" 
  returnstr += returnfilestr+returndirstr 
  return returnstr+"\t"*tabnum+"</>\n" 
       
 
path = raw_input("请输入文件路径:") 
usefulpath = path.replace('\\', '/') 
if usefulpath.endswith("/"): 
  usefulpath = usefulpath[:-1] 
if not os.path.exists(usefulpath): 
  print "路径错误!" 
elif not os.path.isdir(usefulpath): 
  print "输入的不是目录!" 
else: 
  filelist = os.listdir(usefulpath) 
  o=open("test.xml","w+") 
  o.writelines(getfilelist(usefulpath)) 
  o.close() 
  print "成功！请查看test.xml文件"