"robots.txt"文件包含一条或更多的记录,这些记录通过空行分开(以CR,CR/NL, or NL作为结束符),每一条记录的格式如下所示: "<field>:<optionalspace><value><optionalspace>"。 在该文件中可以使用#进行注解,具体使用方法和UNIX中的惯例一样。该文件中的记录通常以一行或多行User-agent开始,后面加上若干...
2025年3月18日A Robots.txt file is a plain text file placed in the root directory of a website to communicate with web crawlers or bots. For example, yourwebsite.com/robots.txt. It provides instructions, often referred to as rules, on which parts of the website bots can access. ...