start vs startNonBlocking in crawler4j

Question

我使用crawler4j lib和它们的依赖项来爬行页面。

和 的区别是什么?

controller.start(BasicCrawler.class, numberOfCrawlers);

与

controller.startNonBlocking(BasicCrawler.class, numberOfCrawlers);

?

Answer 1

take at look at

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

，第二个选项允许爬虫线程在触发爬虫请求后继续执行。