{
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "下载完成！\n"
     ]
    }
   ],
   "source": [
    "import requests\n",
    "import re\n",
    "import csv, time\n",
    "\n",
    "# 创建一个保存的csv文件并设置好表头\n",
    "timenow = time.strftime(\"%Y-%m-%d-%H%M%S\", time.localtime())\n",
    "file = '猫眼电影top100榜-%s.csv' % (timenow)\n",
    "# 写入表头\n",
    "with open(file, 'a+', encoding='gb18030', newline='') as f:\n",
    "    writer_f = csv.writer(f)\n",
    "    writer_f.writerow(['排名', '电影名称', '主演', '上映时间', '评分'])\n",
    "\n",
    "\n",
    "# 定义一个爬取其中一页的电影信息\n",
    "def get_one_page(url):\n",
    "    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0'}\n",
    "    response = requests.get(url, headers=headers).text\n",
    "\n",
    "    pattern = re.compile(\n",
    "        '<dd>.*?board-index.*?>(.*?)</i>.*?name.*?a.*?>(.*?)</a>.*?star.*?>(.*?)</p>.*?releasetime.*?>(.*?)</p>.*?integer.*?>(.*?)</i>.*?fraction.*?>(.*?)</i>.*?</dd>',\n",
    "        re.S)\n",
    "    items = re.findall(pattern, response)\n",
    "    # print(items)\n",
    "    for item in items:\n",
    "        pm = item[0]\n",
    "        mc = item[1]\n",
    "        zy = item[2].strip()\n",
    "        sj = item[3]\n",
    "        pf = item[4] + item[5]\n",
    "        print(pm, mc, zy, sj, pf)\n",
    "        # 写入到csv文件\n",
    "        with open(file, 'a+', encoding='gb18030', newline='') as f:\n",
    "            writer = csv.writer(f)\n",
    "            writer.writerow([pm, mc, zy, sj, pf])\n",
    "\n",
    "\n",
    "# 共有10个分页，分批写入\n",
    "for i in range(10):\n",
    "    page = i * 10\n",
    "    url = 'https://maoyan.com/board/4?offset=' + str(page)\n",
    "get_one_page(url)\n",
    "time.sleep(1)\n",
    "print('下载完成！')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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