使用Python-Scrapy框架爬取百度热搜榜，代码无报错，运行之后却爬取不到内容的情况

使用python-scrapy框架爬取百度热搜榜，代码无报错，运行之后却爬取不到内容

运行结果无报错（截取部分）：

2020-05-28 19:29:22 [scrapy.middleware] INFO: Enabled item pipelines:
['demo2.pipelines.Demo2Pipeline']
2020-05-28 19:29:22 [scrapy.core.engine] INFO: Spider opened
2020-05-28 19:29:22 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2020-05-28 19:29:22 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023
2020-05-28 19:29:22 [scrapy.core.engine] DEBUG: Crawled (200) (referer: None)
2020-05-28 19:29:22 [scrapy.downloadermiddlewares.robotstxt] DEBUG: Forbidden by robots.txt:
2020-05-28 19:29:22 [scrapy.core.engine] INFO: Closing spider (finished)
2020-05-28 19:29:22 [scrapy.statscollectors] INFO: Dumping Scrapy stats:

解决方法：

在settings.py中找到

将 ROBOTSTXT_OBEY = True

改为 ROBOTSTXT_OBEY = False 即可