爬虫随机请求头模版
1.存放请求头列表的文件 h5_user_agent = [ 'Mozilla/5.0 (Linux; Android 7.1.1; OPPO R11 Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.49 Mobile MQQBrowser/6.2 TBS/043508 Safari/537.36 MicroMessenger/6.5.13.1100 NetType/4G Language/zh_CN', 'Mozilla/5.0 (Linux; Android 7.1.1; OPPO R11 Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.49 Mobile MQQBrowser/6.2 TBS/043508 Safari/537.36 MicroMessenger/6.5.13.1100 NetType/WIFI Language/zh_CN', 'Mozilla/5.0 (Linux; U; Android 7.1.1; zh-CN; OPPO R11 Build/NMF26X) AppleWebKit/537.36 (KHTML,