python爬虫(十七)-------------------scrapy items.py使用与yield dict区别

使用: # -*- coding:utf-8 -*- '''by sudo rm -rf http://imchenkun.com''' import scrapy #从items.py中引入需要的DoubanBookItem类 from douban.items import DoubanBookItem #引入与函数之间空两行比较好看 class BookSpider(scrapy.Spi

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