2019年4月17日rp=RobotFileParser()headers={'User-Agent':'Mozilla/4.0(compatible; MSIE 5.5; Windows NT)'}url='http://www.jianshu.com/robots.txt'req=request.Request(url=url,headers=headers)response=request.urlopen(req)rp.parse(response.read().decode('utf-8').split('\n'))print(rp.can_fetch('*','h...
2020年3月9日$robotsrules->;parse($url, $robots_txt); # Get and parse the robots.txt file for Mary's Antiques, accumulating # the rules $url = "http://www.mary's antiques.com/robots.txt"; my $robots_txt ; get $url; $robotsrules->;parse($url, $robots_txt); # Now RobotRules contains the ...
2024年12月14日Robots.txt: This file is located in the website’s root directory and provides site-wide instructions to search engine crawlers on which areas of the site they should and shouldn’t crawl Meta robots tags: These tags are snippets of code in the section of individual webpages and provide p...