import osimport timefrom collections import deque"""利用遞歸實現目錄的遍歷@para sourcePath:原文件目錄@para targetPath:目標文件目錄"""def getDirAndCopyFile(sourcePath,targetPath):  if not os.path.exists(sourcePath):    return  if not os.path.exists(targetPath):    os.makedirs(targetPath)      #遍歷文件夾  for fileName in os.listdir(sourcePath):    #拼接原文件或者文件夾的絕對路徑    absourcePath = os.path.join(sourcePath, fileName)    #拼接目標文件或者文件加的絕對路徑    abstargetPath = os.path.join(targetPath, fileName)    #判斷原文件的絕對路徑是目錄還是文件    if os.path.isdir(absourcePath):      #是目錄就創建相應的目標目錄      os.makedirs(abstargetPath)      #遞歸調用getDirAndCopyFile()函數      getDirAndCopyFile(absourcePath,abstargetPath)    #是文件就進行復制    if os.path.isfile(absourcePath):      rbf = open(absourcePath,"rb")      wbf = open(abstargetPath,"wb")      while True:        content = rbf.readline(1024*1024)        if len(content)==0:          break        wbf.write(content)        wbf.flush()      rbf.close()      wbf.close()if __name__ == '__main__':  startTime = time.clock()  sourcePath = r"H:/培訓資料"  targetPath = r"H:/培訓資料_備份"  getDirAndCopyFile(sourcePath,targetPath)  #時間是用來計算復制總共消耗了多少時間  endTime = time.clock()  time_mi = endTime // 60  time_s = endTime // 1 % 60  time_ms = ((endTime * 100) // 1) % 100  print("總用時:%02.0f:%02.0f:%2.0f" % (time_mi, time_s, time_ms))