python遍历文件夹

 1 import os
 2 import re
 3 import shutil
 4 pathJiaoBen = r'C:UsersjjwDesktop601_英语沪教版九年级下册' #脚本
 5 pathRtf = r'D:XiZhiContentSourceSVN课文初三年级下册英语601_英语沪教版九年级下册' #课文rtf
 6 #C:UsersjjwDesktop601_英语沪教版九年级下册1_Unit1 Great exploration1_class_11_预习3_课文朗读
 7 
 8 #for root1, dirs1, files1 in os.walk(path1):    #三个参数：分别返回1.父目录 2.所有文件夹名字（不含路径） 3.所有文件名字
 9 for rootRtf, dirRtf, filesRtf in os.walk(pathRtf):
10     for fileRtf in filesRtf:
11         numUnit,numClass,other = fileRtf.split('-',2)
12         rtf = os.path.join(rootRtf,fileRtf)
13         #print (rtf)
14         #print(numUnit+'..'+numClass)
15         pathLangDu = r'\.*年级.*\'+numUnit +r'_.*\'+numClass+r'.*d\1_预习\3_课文朗读$'
16         #print(pathLangDu)
17         for rootJiaoBen, dirJiaoBen, filesJiaoBen in os.walk(pathJiaoBen):
18             
19             if re.findall(pathLangDu,rootJiaoBen):
20                 #print(rootJiaoBen)
21                 shutil.copy(rtf,rootJiaoBen+'\' + '课文.rtf')
22             '''else:
23                 print("未找到")'''
24
r''要用单引号，r=regular，使引号里的不用转意。