讲解Python的Scrapy爬虫框架使用代理进行采集的方法

1.在Scrapy工程下新建“middlewares.py” # Importing base64 library because we'll need it ONLY in case if the proxy we are going to use requires authentication import base64 # Start your middleware class class ProxyMiddleware(object): # overwrite process request def process_request(self, request, spider):