#coding:utf-8

# 方法1：遞迴遍歷目錄

import os
def visitDir(path):
    li = os.listdir(path)
    for p in li:
        pathname = os.path.join(path,p)
        if not os.path.isfile(pathname):    #判斷路徑是否為檔案，如果不是繼續遍歷
            visitDir(pathname)
        else:
            print pathname

if __name__ == "__main__":
    path = r"/Users/GaoHongxing/Desktop"
visitDir(path)
          
# 方法2：函式遞迴 os.path.walk()

import os, os.path

def visitDir(arg, dirname, names):
    for filepath in names:
        print os.path.join(dirname, filepath)
        
if __name__ == "__main__":
    path = r"/Users/GaoHongxing/Desktop"
    os.path.walk(path,visitDir,())


# 方法3： 函式遞迴os.walk()
import os

def visitDir(path):
    for root, dirs, files in os.walk(path):
        for filepath in files:
            print os.path.join(root, filepath)
            
if __name__ == "__main__":
    path = r"/Users/GaoHongxing/Desktop" 
    visitDir(path)  

"""
os.path.walk()與os.walk()產生的檔名列表不同：
os.walk() 只產生檔案路徑
os.path.walk()    產生目錄樹下的目錄路徑和檔案路徑
"""