Python 读取指定文件夹下的所有图像方法

'''Load the image files form the folderinput:  imgDir: the direction of the folder  imgName:the name of the folderoutput:  data:the data of the dataset  label:the label of the datset'''def load_Img(imgDir,imgFoldName):  imgs = os.listdir(imgDir+imgFoldName)  imgNum = len(imgs)  data = np.empty((imgNum,1,12,12),dtype="float32")  label = np.empty((imgNum,),dtype="uint8")  for i in range (imgNum):    img = Image.open(imgDir+imgFoldName+"/"+imgs[i])    arr = np.asarray(img,dtype="float32")    data[i,:,:,:] = arr    label[i] = int(imgs[i].split('.')[0])  return data,label

craterDir = "./data/CraterImg/Adjust/"foldName = "East_CraterAdjust12"data, label = load_Img(craterDir,foldName)