crawler4j 中的 start vs startNonBlocking

Question

我正在使用crawler4j lib 及其依赖项 来抓取页面。有什么区别

controller.start(BasicCrawler.class, numberOfCrawlers);

对比

controller.startNonBlocking(BasicCrawler.class, numberOfCrawlers);

?

Answer 1

看一看

https://github.com/yasserg/crawler4j/blob/master/src/main/java/edu/uci/ics/crawler4j/crawler/CrawlController.java

从文档中，第二个允许爬虫线程在触发爬虫请求后继续。