使用 Python 实现文件递归遍历的

def getallfiles(dir):
"""遍历获取指定文件夹下面所有文件"""
    if os.path.isdir(dir):
        filelist = os.listdir(dir)
        for ret in filelist:
            filename = dir + "\\" + ret
            if os.path.isfile(filename):
                print filename

def getalldirfiles(dir, basedir):
"""遍历获取所有子文件夹下面所有文件"""
    if os.path.isdir(dir):
        getallfiles(dir)
        dirlist = os.listdir(dir)
        for dirret in dirlist:
            fullname = dir + "\\" + dirret
            if os.path.isdir(fullname):
                getalldirfiles(fullname, basedir)

def getallfiles(dir):
"""使用listdir循环遍历"""
    if not os.path.isdir(dir):
        print dir
        return
    dirlist = os.listdir(dir)
    for dirret in dirlist:
        fullname = dir + "\\" + dirret
        if os.path.isdir(fullname):
            getallfiles(fullname)
        else:
            print fullname

def getallfilesofwalk(dir):
"""使用listdir循环遍历"""
    if not os.path.isdir(dir):
        print dir
        return
    dirlist = os.walk(dir)
    for root, dirs, files in dirlist:
        for file in files:
            print os.path.join(root, file)

from os.path import join, isdir, islink

# We may not have read permission for top, in which case we can't
# get a list of the files the directory contains.  os.path.walk
# always suppressed the exception then, rather than blow up for a
# minor reason when (say) a thousand readable directories are still
# left to visit.  That logic is copied here.

try:
    # Note that listdir and error are globals in this module due
    # to earlier import-*.
    names = listdir(top)
except error, err:
    if onerror is not None:
        onerror(err)
    return

dirs, nondirs = [], []
for name in names:
    if isdir(join(top, name)):
        dirs.append(name)
    else:
        nondirs.append(name)

if topdown:
    yield top, dirs, nondirs
for name in dirs:
    path = join(top, name)
    if followlinks or not islink(path):
        for x in walk(path, topdown, onerror, followlinks):
            yield x
if not topdown:
    yield top, dirs, nondirs