scrapy中使用CrawlSpider，匹配不到urls

scrapy.spiders import CrawlSpider, Rule from scrapy.linkextractors import LinkExtractor from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor class...

2017年5月14日 - (python)scrapy中使用CrawlSpider,匹配不到urls:我的爬虫代码如下,其中rules无获取,不知道是什么问题?#encoding: utf-8 import re import requests im...

scrapy.spiders import CrawlSpider, Rule from scrapy.linkextractors import LinkExtractor from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor class...

scrapy.spiders import CrawlSpider, Rule from scrapy.linkextractors import LinkExtractor from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor class...

scrapy.spiders import CrawlSpider, Rule from scrapy.linkextractors import LinkExtractor from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor class...

scrapy.spiders import CrawlSpider, Rule from scrapy.linkextractors import LinkExtractor from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor class...

from scrapy.linkextractors import LinkExtractorclass XinwenSpinder(CrawlSpider): name = 'xinwen' allowed_domains = ["s...

Scrapy中的BaseSpider爬虫类只能抓取start_urls中提供的链接,而利用Scrapy提供的crawlSpider类可以很方便的自动解析网页上符合要求的链接,从而达到爬虫自动抓取的功能。...