scrapy获取settings配置信息

1.最笨的方法是导入配置：

from myproject.settings import MONGO_URI
from myproject.settings import MONGO_DATABASE
from myproject.settings import MONGO_COLLECTION

2.在spider里面获取settings配置：

from scrapy.conf import settings

使用方法：

driver_path = settings.get("WEBDRIVER_CHROME_PATH")