class HelloSpider(BaseSpider):
name = 'hellospider'
start_urls = (
'http://aaa.com/page1',
'http://aaa.com/page2',
)
def parse(self, response):
for item_url in item_urls:
yield Request(url=item_url, callback=self.parse_item)
def parse_item(self, response):
item = MyItem()
#通過meta={'item': item}傳遞參數
yield Request(url=item_details_url, meta={'item': item},
callback=self.parse_detailsinfo)
def parse_detailsinfo(self, response):
#通過response.meta['item']獲取參數
item = response.meta['item']
return item