列出文件夹下所有文件名

# 列出目录下的所有文件
def list_dir(dn,list_name):
    import os
    # dn=os.getcwd()
    # 获取当前目录,/Users/fujunmin/files/python/selfPractise/test
    L=os.listdir(dn)
    print L
    print '\n'.join(L)
    for i in L:
        file_path = os.path.join(dn,i)
        # print file_path
        if os.path.isdir(file_path):
            list_dir(file_path,list_name)
        else:
            list_name.append(file_path)
    # with open('result.txt','w') as wf:
    #     wf.write('\n'.join(L))


dn = '/Users/fujunmin/files/python/selfPractise/test/tmp'
list_name = []

list_dir(dn,list_name)
print 'wenjian:',list_name