.ipynb

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   "source": [
    "import os\n",
    "\n",
    "# 1. 获取一个要重命名的文件夹的名字\n",
    "folder_name = input(\"请输入要重命名的文件夹:\")\n",
    "\n",
    "# 2. 获取那个文件夹中所有的文件名字\n",
    "file_names = os.listdir(folder_name)\n",
    "\n",
    "# 第1中方法\n",
    "# os.chdir(folder_name)\n",
    "\n",
    "# 3. 对获取的名字进行重命名即可\n",
    "# for name in file_names:\n",
    "#    print(name)\n",
    "#    os.rename(name,\"[京东出品]-\"+name)\n",
    "i = 1 # 可以让每个文件名字都不一样\n",
    "\n",
    "for name in file_names:\n",
    "    print(name)\n",
    "    print(name.split('[京东出品]-')[-1])\n",
    "    name1 = name.split('[京东出品]-')[-1]\n",
    "    old_file_name = \"./\" + folder_name + \"/\" + name\n",
    "    new_file_name = \"./\" + folder_name + \"/\" + str(i) + \"[京东出品]-\" + name1\n",
    "    os.rename(old_file_name, new_file_name)\n",
    "    i += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": [
    "import os\n",
    "import sys\n",
    "\n",
    "path = ('./ttt/')\n",
    "\n",
    "#获取该目录下所有文件，存入列表中\n",
    "f =os.listdir(path)\n",
    "print(len(f))\n",
    "\n",
    "#删除.jpg后缀,只要文件名前13位数字\n",
    "newarr = []\n",
    "for i in f:\n",
    "    x = i[0:13]\n",
    "    newarr.append(x)\n",
    "    \n",
    "#文件名从大到小排序\n",
    "newarr.sort(reverse=True)\n",
    "\n",
    "\n",
    "\n",
    "n = 1\n",
    "\n",
    "for i in range(len(newarr)):\n",
    "    oldname = path + newarr[i] +'.jpg'\n",
    "    #第0,2,4...偶数位是反面,命名+b , 奇数位是正面,命名+a\n",
    "    if i % 2 == 0 :\n",
    "        newname = path + str(n) + 'b' + '.jpg'\n",
    "    else:\n",
    "        newname = path + str(n) + 'a' + '.jpg'\n",
    "        n = n + 1\n",
    "\n",
    "    #用os模块中的rename方法对文件改名\n",
    "    os.rename(oldname,newname)\n",
    "    print(oldname,'======>',newname)\n",
    "    "
   ]
  }
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