Python抓取文件夹的所有文件，包括子文件夹和子文件夹的文件

    #!/user/bin/python  
    # -*- coding:utf8 -*-  
      
    import Basic  
    import os  
      
    #####################################################  
    ########              Input                      ####  
    folder = "D:安装包"  
    folder = folder.encode("gbk")  
      
    ########              Global                     ####  
    fileList = []  
    allFiles = []  
    tree = []  
    level = 0  
    #####################################################  
      
    try:  
        if folder is None or len(folder) == 0:  
            folder = os.curdir  
      
        if os.path.isdir(folder):  
            childFile = os.listdir(folder)  
            fileList = ["%s" % (folder+os.path.sep+f) for f in childFile]  
      
            node = {'file':folder,'level':level}  
            tree.append(node)  
      
            while fileList is not None and len(fileList) > 0:  
                allFiles.append(""+fileList[0])  
      
                if os.path.isdir(fileList[0]):  
                    childFile = os.listdir(fileList[0])  
      
                    if childFile is not None and len(childFile) > 0:  
                        fileList = fileList + ["%s" % (fileList[0]+os.path.sep+ft) for ft in childFile]  
                    else:  
                        pass  
                else:  
                    pass  
      
                fileList.pop(0)  
      
            print "n".join(["%s" % f for f in allFiles])  
        else:  
            print 'not folder,no child'  
      
    except Exception,x:  
        print x