自己动手写网络爬虫，基于JAVA，适合有一定基础的高手。-Write their own web crawler, based on JAVA, suitable for a certain basis of the master.

基于java的网络爬虫需求说明书，对网络爬虫的功能需求与非功能需求作了详细的分析。-Java-based web crawler needs instructions, the functional requirements of web crawlers and non-functional requirements are analyzed in detail.