rsslib4j-0.2.jar jar包，解决java报错找不到资源包问题 The import org.gnu cannot be resolved

rsslib4j-0.2.jarjar包，解决java报错找不到资源包问题Theimportorg.gnucannotberesolved。报错importorg.gnu.stealthp.rsslib.*;RSSChannel、RSSException、RSSHandler、RSSItem、RSSParser