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<>"+"
" 
 returndirstr = "" 
 returnfilestr = "" 
 filelist = os.listdir(filepath) 
 for num in range(len(filelist)): 
 filename=filelist[num] 
 if os.path.isdir(filepath+"/"+filename): 
 returndirstr += "	"*tabnum+getfilelist(filepath+"/"+filename, tabnum+1) 
 else: 
 returnfilestr += "	"*tabnum+filename+"
" 
 returnstr += returnfilestr+returndirstr 
 return returnstr+"	"*tabnum+"</>
" 
 
 
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"